Re: [PATCH v2 5/6] drm/vs: Add KMS crtc&plane

From: Dmitry Baryshkov
Date: Tue Nov 14 2023 - 06:00:00 EST

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In reply to: Keith Zhao: "Re: [PATCH v2 5/6] drm/vs: Add KMS crtc&plane"
Next in thread: Keith Zhao: "Re: [PATCH v2 5/6] drm/vs: Add KMS crtc&plane"
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On Tue, 14 Nov 2023 at 12:42, Keith Zhao <keith.zhao@xxxxxxxxxxxxxxxx> wrote:
>
>
>
> On 2023/10/26 3:28, Dmitry Baryshkov wrote:
> > On 25/10/2023 13:39, Keith Zhao wrote:
> >> add 2 crtcs and 8 planes in vs-drm
> >>
> >> Signed-off-by: Keith Zhao <keith.zhao@xxxxxxxxxxxxxxxx>
> >> ---
> >> drivers/gpu/drm/verisilicon/Makefile | 8 +-
> >> drivers/gpu/drm/verisilicon/vs_crtc.c | 257 ++++
> >> drivers/gpu/drm/verisilicon/vs_crtc.h | 43 +
> >> drivers/gpu/drm/verisilicon/vs_dc.c | 1002 ++++++++++++
> >> drivers/gpu/drm/verisilicon/vs_dc.h | 80 +
> >> drivers/gpu/drm/verisilicon/vs_dc_hw.c | 1959 ++++++++++++++++++++++++
> >> drivers/gpu/drm/verisilicon/vs_dc_hw.h | 492 ++++++
> >> drivers/gpu/drm/verisilicon/vs_drv.c | 2 +
> >> drivers/gpu/drm/verisilicon/vs_plane.c | 526 +++++++
> >> drivers/gpu/drm/verisilicon/vs_plane.h | 58 +
> >> drivers/gpu/drm/verisilicon/vs_type.h | 69 +
> >> 11 files changed, 4494 insertions(+), 2 deletions(-)
> >> create mode 100644 drivers/gpu/drm/verisilicon/vs_crtc.c
> >> create mode 100644 drivers/gpu/drm/verisilicon/vs_crtc.h
> >> create mode 100644 drivers/gpu/drm/verisilicon/vs_dc.c
> >> create mode 100644 drivers/gpu/drm/verisilicon/vs_dc.h
> >> create mode 100644 drivers/gpu/drm/verisilicon/vs_dc_hw.c
> >> create mode 100644 drivers/gpu/drm/verisilicon/vs_dc_hw.h
> >> create mode 100644 drivers/gpu/drm/verisilicon/vs_plane.c
> >> create mode 100644 drivers/gpu/drm/verisilicon/vs_plane.h
> >> create mode 100644 drivers/gpu/drm/verisilicon/vs_type.h
> >>
> >> diff --git a/drivers/gpu/drm/verisilicon/Makefile b/drivers/gpu/drm/verisilicon/Makefile
> >> index 7d3be305b..1d48016ca 100644
> >> --- a/drivers/gpu/drm/verisilicon/Makefile
> >> +++ b/drivers/gpu/drm/verisilicon/Makefile
> >> @@ -1,7 +1,11 @@
> >> # SPDX-License-Identifier: GPL-2.0
> >>
> >> -vs_drm-objs := vs_drv.o \
> >> - vs_modeset.o
> >> +vs_drm-objs := vs_dc_hw.o \
> >> + vs_dc.o \
> >> + vs_crtc.o \
> >> + vs_drv.o \
> >> + vs_modeset.o \
> >> + vs_plane.o
> >>
> >> obj-$(CONFIG_DRM_VERISILICON) += vs_drm.o
> >>
> >> diff --git a/drivers/gpu/drm/verisilicon/vs_crtc.c b/drivers/gpu/drm/verisilicon/vs_crtc.c
> >> new file mode 100644
> >> index 000000000..8a658ea77
> >> --- /dev/null
> >> +++ b/drivers/gpu/drm/verisilicon/vs_crtc.c
> >> @@ -0,0 +1,257 @@
> >> +// SPDX-License-Identifier: GPL-2.0
> >> +/*
> >> + * Copyright (C) 2023 VeriSilicon Holdings Co., Ltd.
> >> + *
> >> + */
> >> +
> >> +#include <linux/clk.h>
> >> +#include <linux/debugfs.h>
> >> +#include <linux/media-bus-format.h>
> >> +
> >> +#include <drm/drm_atomic_helper.h>
> >> +#include <drm/drm_atomic.h>
> >> +#include <drm/drm_crtc.h>
> >> +#include <drm/drm_gem_atomic_helper.h>
> >> +#include <drm/drm_vblank.h>
> >> +#include <drm/vs_drm.h>
> >> +
> >> +#include "vs_crtc.h"
> >> +#include "vs_dc.h"
> >> +#include "vs_drv.h"
> >> +
> >> +static void vs_crtc_reset(struct drm_crtc *crtc)
> >> +{
> >> + struct vs_crtc_state *state;
> >> +
> >> + if (crtc->state) {
> >> + __drm_atomic_helper_crtc_destroy_state(crtc->state);
> >> +
> >> + state = to_vs_crtc_state(crtc->state);
> >> + kfree(state);
> >> + crtc->state = NULL;
> >> + }
> >
> > You can call your crtc_destroy_state function directly here.
> >
> >> +
> >> + state = kzalloc(sizeof(*state), GFP_KERNEL);
> >> + if (!state)
> >> + return;
> >> +
> >> + __drm_atomic_helper_crtc_reset(crtc, &state->base);
> >> +}
> >> +
> >> +static struct drm_crtc_state *
> >> +vs_crtc_atomic_duplicate_state(struct drm_crtc *crtc)
> >> +{
> >> + struct vs_crtc_state *ori_state;
> >
> > It might be a matter of taste, but it is usually old_state.
> >
> >> + struct vs_crtc_state *state;
> >> +
> >> + if (!crtc->state)
> >> + return NULL;
> >> +
> >> + ori_state = to_vs_crtc_state(crtc->state);
> >> + state = kzalloc(sizeof(*state), GFP_KERNEL);
> >> + if (!state)
> >> + return NULL;
> >> +
> >> + __drm_atomic_helper_crtc_duplicate_state(crtc, &state->base);
> >> +
> >> + state->output_fmt = ori_state->output_fmt;
> >> + state->encoder_type = ori_state->encoder_type;
> >> + state->bpp = ori_state->bpp;
> >> + state->underflow = ori_state->underflow;
> >
> > Can you use kmemdup instead?
> >
> >> +
> >> + return &state->base;
> >> +}
> >> +
> >> +static void vs_crtc_atomic_destroy_state(struct drm_crtc *crtc,
> >> + struct drm_crtc_state *state)
> >> +{
> >> + __drm_atomic_helper_crtc_destroy_state(state);
> >> + kfree(to_vs_crtc_state(state));
> >> +}
> >> +
> >> +static int vs_crtc_enable_vblank(struct drm_crtc *crtc)
> >> +{
> >> + struct vs_crtc *vs_crtc = to_vs_crtc(crtc);
> >> + struct vs_dc *dc = dev_get_drvdata(vs_crtc->dev);
> >> +
> >> + vs_dc_enable_vblank(dc, true);
> >> +
> >> + return 0;
> >> +}
> >> +
> >> +static void vs_crtc_disable_vblank(struct drm_crtc *crtc)
> >> +{
> >> + struct vs_crtc *vs_crtc = to_vs_crtc(crtc);
> >> + struct vs_dc *dc = dev_get_drvdata(vs_crtc->dev);
> >> +
> >> + vs_dc_enable_vblank(dc, false);
> >> +}
> >> +
> >> +static const struct drm_crtc_funcs vs_crtc_funcs = {
> >> + .set_config = drm_atomic_helper_set_config,
> >> + .page_flip = drm_atomic_helper_page_flip,
> >
> > destroy is required, see drm_mode_config_cleanup()
>
> hi Dmitry:
> if define destroy in drm_crtc_funcs,
> it will make __drmm_crtc_init_with_planes unhappy

Ack, I missed that you have been using drmm_crtc_init. BTW, I checked
your code, you should be able to switch drm
drmm_crtc_alloc_with_planes().

>
> see:
> __printf(6, 0)
> static int __drmm_crtc_init_with_planes(struct drm_device *dev,
> struct drm_crtc *crtc,
> struct drm_plane *primary,
> struct drm_plane *cursor,
> const struct drm_crtc_funcs *funcs,
> const char *name,
> va_list args)
> {
> int ret;
>
> drm_WARN_ON(dev, funcs && funcs->destroy);
>
> ........
> }
>
> It should not need to be defined here, I think
>
> >
> >> + .reset = vs_crtc_reset,
> >> + .atomic_duplicate_state = vs_crtc_atomic_duplicate_state,
> >> + .atomic_destroy_state = vs_crtc_atomic_destroy_state,
> >
> > please consider adding atomic_print_state to output driver-specific bits.
> >
> >> + .enable_vblank = vs_crtc_enable_vblank,
> >> + .disable_vblank = vs_crtc_disable_vblank,
> >> +};
> >> +
> >> +static u8 cal_pixel_bits(u32 bus_format)
> >
> > This looks like a generic helper code, which can go to a common place.
> >
> >> +{
> >> + u8 bpp;
> >> +
> >> + switch (bus_format) {
> >> + case MEDIA_BUS_FMT_RGB565_1X16:
> >> + case MEDIA_BUS_FMT_UYVY8_1X16:
> >> + bpp = 16;
> >> + break;
> >> + case MEDIA_BUS_FMT_RGB666_1X18:
> >> + case MEDIA_BUS_FMT_RGB666_1X24_CPADHI:
> >> + bpp = 18;
> >> + break;
> >> + case MEDIA_BUS_FMT_UYVY10_1X20:
> >> + bpp = 20;
> >> + break;
> >> + case MEDIA_BUS_FMT_BGR888_1X24:
> >> + case MEDIA_BUS_FMT_UYYVYY8_0_5X24:
> >> + case MEDIA_BUS_FMT_YUV8_1X24:
> >> + bpp = 24;
> >> + break;
> >> + case MEDIA_BUS_FMT_RGB101010_1X30:
> >> + case MEDIA_BUS_FMT_UYYVYY10_0_5X30:
> >> + case MEDIA_BUS_FMT_YUV10_1X30:
> >> + bpp = 30;
> >> + break;
> >> + default:
> >> + bpp = 24;
> >> + break;
> >> + }
> >> +
> >> + return bpp;
> >> +}
> >> +
> >> +static void vs_crtc_atomic_enable(struct drm_crtc *crtc,
> >> + struct drm_atomic_state *state)
> >> +{
> >> + struct vs_crtc *vs_crtc = to_vs_crtc(crtc);
> >> + struct vs_dc *dc = dev_get_drvdata(vs_crtc->dev);
> >> + struct vs_crtc_state *vs_crtc_state = to_vs_crtc_state(crtc->state);
> >> +
> >> + vs_crtc_state->bpp = cal_pixel_bits(vs_crtc_state->output_fmt);
> >> +
> >> + vs_dc_enable(dc, crtc);
> >> + drm_crtc_vblank_on(crtc);
> >> +}
> >> +
> >> +static void vs_crtc_atomic_disable(struct drm_crtc *crtc,
> >> + struct drm_atomic_state *state)
> >> +{
> >> + struct vs_crtc *vs_crtc = to_vs_crtc(crtc);
> >> + struct vs_dc *dc = dev_get_drvdata(vs_crtc->dev);
> >> +
> >> + drm_crtc_vblank_off(crtc);
> >> +
> >> + vs_dc_disable(dc, crtc);
> >> +
> >> + if (crtc->state->event && !crtc->state->active) {
> >> + spin_lock_irq(&crtc->dev->event_lock);
> >> + drm_crtc_send_vblank_event(crtc, crtc->state->event);
> >> + spin_unlock_irq(&crtc->dev->event_lock);
> >> +
> >> + crtc->state->event = NULL;
> >
> > I think even should be cleared within the lock.
> >
> >> + }
> >> +}
> >> +
> >> +static void vs_crtc_atomic_begin(struct drm_crtc *crtc,
> >> + struct drm_atomic_state *state)
> >> +{
> >> + struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state,
> >> + crtc);
> >> +
> >> + struct vs_crtc *vs_crtc = to_vs_crtc(crtc);
> >> + struct device *dev = vs_crtc->dev;
> >> + struct drm_property_blob *blob = crtc->state->gamma_lut;
> >> + struct drm_color_lut *lut;
> >> + struct vs_dc *dc = dev_get_drvdata(dev);
> >> +
> >> + if (crtc_state->color_mgmt_changed) {
> >> + if (blob && blob->length) {
> >> + lut = blob->data;
> >> + vs_dc_set_gamma(dc, crtc, lut,
> >> + blob->length / sizeof(*lut));
> >> + vs_dc_enable_gamma(dc, crtc, true);
> >> + } else {
> >> + vs_dc_enable_gamma(dc, crtc, false);
> >> + }
> >> + }
> >> +}
> >> +
> >> +static void vs_crtc_atomic_flush(struct drm_crtc *crtc,
> >> + struct drm_atomic_state *state)
> >> +{
> >> + struct vs_crtc *vs_crtc = to_vs_crtc(crtc);
> >> + struct drm_pending_vblank_event *event = crtc->state->event;
> >> + struct vs_dc *dc = dev_get_drvdata(vs_crtc->dev);
> >> +
> >> + vs_dc_commit(dc);
> >> +
> >> + if (event) {
> >> + WARN_ON(drm_crtc_vblank_get(crtc) != 0);
> >> +
> >> + spin_lock_irq(&crtc->dev->event_lock);
> >> + drm_crtc_arm_vblank_event(crtc, event);
> >> + spin_unlock_irq(&crtc->dev->event_lock);
> >> + crtc->state->event = NULL;
> >
> > I think even should be cleared within the lock.
> >
> >> + }
> >> +}
> >> +
> >> +static const struct drm_crtc_helper_funcs vs_crtc_helper_funcs = {
> >> + .atomic_check = drm_crtc_helper_atomic_check,
> >> + .atomic_enable = vs_crtc_atomic_enable,
> >> + .atomic_disable = vs_crtc_atomic_disable,
> >> + .atomic_begin = vs_crtc_atomic_begin,
> >> + .atomic_flush = vs_crtc_atomic_flush,
> >> +};
> >> +
> >> +static const struct drm_prop_enum_list vs_sync_mode_enum_list[] = {
> >> + { VS_SINGLE_DC, "single dc mode" },
> >> + { VS_MULTI_DC_PRIMARY, "primary dc for multi dc mode" },
> >> + { VS_MULTI_DC_SECONDARY, "secondary dc for multi dc mode" },
> >> +};
> >> +
> >> +struct vs_crtc *vs_crtc_create(struct drm_device *drm_dev,
> >> + struct vs_dc_info *info)
> >> +{
> >> + struct vs_crtc *crtc;
> >> + int ret;
> >> +
> >> + if (!info)
> >> + return NULL;
> >> +
> >> + crtc = drmm_kzalloc(drm_dev, sizeof(*crtc), GFP_KERNEL);
> >> + if (!crtc)
> >> + return NULL;
> >> +
> >> + ret = drmm_crtc_init_with_planes(drm_dev, &crtc->base,
> >> + NULL, NULL, &vs_crtc_funcs,
> >> + info->name ? info->name : NULL);
> >
> > It might be better to add drmm_crtc_init() helper.
> >
> >> + if (ret)
> >> + return NULL;
> >> +
> >> + drm_crtc_helper_add(&crtc->base, &vs_crtc_helper_funcs);
> >> +
> >> + if (info->gamma_size) {
> >> + ret = drm_mode_crtc_set_gamma_size(&crtc->base,
> >> + info->gamma_size);
> >> + if (ret)
> >> + return NULL;
> >> +
> >> + drm_crtc_enable_color_mgmt(&crtc->base, 0, false,
> >> + info->gamma_size);
> >> + }
> >> +
> >> + crtc->max_bpc = info->max_bpc;
> >> + crtc->color_formats = info->color_formats;
> >> + return crtc;
> >> +}
> >> diff --git a/drivers/gpu/drm/verisilicon/vs_crtc.h b/drivers/gpu/drm/verisilicon/vs_crtc.h
> >> new file mode 100644
> >> index 000000000..526dd63e5
> >> --- /dev/null
> >> +++ b/drivers/gpu/drm/verisilicon/vs_crtc.h
> >> @@ -0,0 +1,43 @@
> >> +/* SPDX-License-Identifier: GPL-2.0 */
> >> +/*
> >> + * Copyright (C) 2023 VeriSilicon Holdings Co., Ltd.
> >> + */
> >> +
> >> +#ifndef __VS_CRTC_H__
> >> +#define __VS_CRTC_H__
> >> +
> >> +#include <drm/drm_crtc.h>
> >> +#include <drm/drm_crtc_helper.h>
> >> +
> >> +#include "vs_type.h"
> >> +
> >> +struct vs_crtc_state {
> >> + struct drm_crtc_state base;
> >> +
> >> + u32 output_fmt;
> >> + u8 encoder_type;
> >> + u8 bpp;
> >> + bool underflow;
> >> +};
> >> +
> >> +struct vs_crtc {
> >> + struct drm_crtc base;
> >> + struct device *dev;
> >> + unsigned int max_bpc;
> >> + unsigned int color_formats;
> >> +};
> >> +
> >> +struct vs_crtc *vs_crtc_create(struct drm_device *drm_dev,
> >> + struct vs_dc_info *info);
> >> +
> >> +static inline struct vs_crtc *to_vs_crtc(struct drm_crtc *crtc)
> >> +{
> >> + return container_of(crtc, struct vs_crtc, base);
> >> +}
> >> +
> >> +static inline struct vs_crtc_state *
> >> +to_vs_crtc_state(struct drm_crtc_state *state)
> >> +{
> >> + return container_of(state, struct vs_crtc_state, base);
> >> +}
> >> +#endif /* __VS_CRTC_H__ */
> >> diff --git a/drivers/gpu/drm/verisilicon/vs_dc.c b/drivers/gpu/drm/verisilicon/vs_dc.c
> >> new file mode 100644
> >> index 000000000..b5ab92d98
> >> --- /dev/null
> >> +++ b/drivers/gpu/drm/verisilicon/vs_dc.c
> >> @@ -0,0 +1,1002 @@
> >> +// SPDX-License-Identifier: GPL-2.0
> >> +/*
> >> + * Copyright (C) 2023 VeriSilicon Holdings Co., Ltd.
> >> + */
> >> +
> >> +#include <linux/component.h>
> >> +#include <linux/clk.h>
> >> +#include <linux/of.h>
> >> +#include <linux/of_device.h>
> >> +#include <linux/pm_runtime.h>
> >> +#include <linux/reset.h>
> >> +
> >> +#include <drm/drm_atomic.h>
> >> +#include <drm/drm_atomic_helper.h>
> >> +#include <drm/drm_blend.h>
> >> +#include <drm/drm_framebuffer.h>
> >> +#include <drm/drm_vblank.h>
> >> +#include <drm/vs_drm.h>
> >> +
> >> +#include "vs_dc_hw.h"
> >> +#include "vs_dc.h"
> >> +#include "vs_drv.h"
> >> +
> >> +static const char * const vout_clocks[] = {
> >> + "noc_bus",
> >> + "channel0",
> >> + "channel1",
> >> + "dc_core",
> >> + "axi_core",
> >> + "ahb",
> >> + "hdmi_tx",
> >> + "dc_parent",
> >> +
> >> +};
> >> +
> >> +static const char * const vout_resets[] = {
> >> + "axi",
> >> + "ahb",
> >> + "core",
> >> +};
> >> +
> >> +static inline void update_format(u32 format, u64 mod, struct dc_hw_fb *fb)
> >> +{
> >> + u8 f = FORMAT_A8R8G8B8;
> >> +
> >> + switch (format) {
> >> + case DRM_FORMAT_XRGB4444:
> >> + case DRM_FORMAT_RGBX4444:
> >> + case DRM_FORMAT_XBGR4444:
> >> + case DRM_FORMAT_BGRX4444:
> >> + f = FORMAT_X4R4G4B4;
> >> + break;
> >> + case DRM_FORMAT_ARGB4444:
> >> + case DRM_FORMAT_RGBA4444:
> >> + case DRM_FORMAT_ABGR4444:
> >> + case DRM_FORMAT_BGRA4444:
> >> + f = FORMAT_A4R4G4B4;
> >> + break;
> >> + case DRM_FORMAT_XRGB1555:
> >> + case DRM_FORMAT_RGBX5551:
> >> + case DRM_FORMAT_XBGR1555:
> >> + case DRM_FORMAT_BGRX5551:
> >> + f = FORMAT_X1R5G5B5;
> >> + break;
> >> + case DRM_FORMAT_ARGB1555:
> >> + case DRM_FORMAT_RGBA5551:
> >> + case DRM_FORMAT_ABGR1555:
> >> + case DRM_FORMAT_BGRA5551:
> >> + f = FORMAT_A1R5G5B5;
> >> + break;
> >> + case DRM_FORMAT_RGB565:
> >> + case DRM_FORMAT_BGR565:
> >> + f = FORMAT_R5G6B5;
> >> + break;
> >> + case DRM_FORMAT_XRGB8888:
> >> + case DRM_FORMAT_RGBX8888:
> >> + case DRM_FORMAT_XBGR8888:
> >> + case DRM_FORMAT_BGRX8888:
> >> + f = FORMAT_X8R8G8B8;
> >> + break;
> >> + case DRM_FORMAT_ARGB8888:
> >> + case DRM_FORMAT_RGBA8888:
> >> + case DRM_FORMAT_ABGR8888:
> >> + case DRM_FORMAT_BGRA8888:
> >> + f = FORMAT_A8R8G8B8;
> >> + break;
> >> + case DRM_FORMAT_YUYV:
> >> + case DRM_FORMAT_YVYU:
> >> + f = FORMAT_YUY2;
> >> + break;
> >> + case DRM_FORMAT_UYVY:
> >> + case DRM_FORMAT_VYUY:
> >> + f = FORMAT_UYVY;
> >> + break;
> >> + case DRM_FORMAT_YUV420:
> >> + case DRM_FORMAT_YVU420:
> >> + f = FORMAT_YV12;
> >> + break;
> >> + case DRM_FORMAT_NV21:
> >> + f = FORMAT_NV12;
> >> + break;
> >> + case DRM_FORMAT_NV16:
> >> + case DRM_FORMAT_NV61:
> >> + f = FORMAT_NV16;
> >> + break;
> >> + case DRM_FORMAT_P010:
> >> + f = FORMAT_P010;
> >> + break;
> >> + case DRM_FORMAT_ARGB2101010:
> >> + case DRM_FORMAT_RGBA1010102:
> >> + case DRM_FORMAT_ABGR2101010:
> >> + case DRM_FORMAT_BGRA1010102:
> >> + f = FORMAT_A2R10G10B10;
> >> + break;
> >> + case DRM_FORMAT_NV12:
> >> + f = FORMAT_NV12;
> >> + break;
> >> + case DRM_FORMAT_YUV444:
> >> + f = FORMAT_YUV444;
> >> + break;
> >> + default:
> >> + break;
> >> + }
> >> +
> >> + fb->format = f;
> >> +}
> >> +
> >> +static inline void update_swizzle(u32 format, struct dc_hw_fb *fb)
> >> +{
> >> + fb->swizzle = SWIZZLE_ARGB;
> >> + fb->uv_swizzle = 0;
> >> +
> >> + switch (format) {
> >> + case DRM_FORMAT_RGBX4444:
> >> + case DRM_FORMAT_RGBA4444:
> >> + case DRM_FORMAT_RGBX5551:
> >> + case DRM_FORMAT_RGBA5551:
> >> + case DRM_FORMAT_RGBX8888:
> >> + case DRM_FORMAT_RGBA8888:
> >> + case DRM_FORMAT_RGBA1010102:
> >> + fb->swizzle = SWIZZLE_RGBA;
> >> + break;
> >> + case DRM_FORMAT_XBGR4444:
> >> + case DRM_FORMAT_ABGR4444:
> >> + case DRM_FORMAT_XBGR1555:
> >> + case DRM_FORMAT_ABGR1555:
> >> + case DRM_FORMAT_BGR565:
> >> + case DRM_FORMAT_XBGR8888:
> >> + case DRM_FORMAT_ABGR8888:
> >> + case DRM_FORMAT_ABGR2101010:
> >> + fb->swizzle = SWIZZLE_ABGR;
> >> + break;
> >> + case DRM_FORMAT_BGRX4444:
> >> + case DRM_FORMAT_BGRA4444:
> >> + case DRM_FORMAT_BGRX5551:
> >> + case DRM_FORMAT_BGRA5551:
> >> + case DRM_FORMAT_BGRX8888:
> >> + case DRM_FORMAT_BGRA8888:
> >> + case DRM_FORMAT_BGRA1010102:
> >> + fb->swizzle = SWIZZLE_BGRA;
> >> + break;
> >> + case DRM_FORMAT_YVYU:
> >> + case DRM_FORMAT_VYUY:
> >> + case DRM_FORMAT_NV21:
> >> + case DRM_FORMAT_NV61:
> >> + fb->uv_swizzle = 1;
> >> + break;
> >> + default:
> >> + break;
> >> + }
> >> +}
> >> +
> >> +static inline void update_watermark(struct drm_property_blob *watermark,
> >> + struct dc_hw_fb *fb)
> >> +{
> >> + struct drm_vs_watermark *data;
> >> +
> >> + fb->water_mark = 0;
> >> +
> >> + if (watermark) {
> >> + data = watermark->data;
> >> + fb->water_mark = data->watermark & 0xFFFFF;
> >> + }
> >> +}
> >> +
> >> +static inline u8 to_vs_rotation(unsigned int rotation)
> >> +{
> >> + u8 rot;
> >> +
> >> + switch (rotation & DRM_MODE_REFLECT_MASK) {
> >> + case DRM_MODE_REFLECT_X:
> >> + rot = FLIP_X;
> >> + return rot;
> >> + case DRM_MODE_REFLECT_Y:
> >> + rot = FLIP_Y;
> >> + return rot;
> >> + case DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y:
> >> + rot = FLIP_XY;
> >> + return rot;
> >> + default:
> >> + break;
> >> + }
> >> +
> >> + switch (rotation & DRM_MODE_ROTATE_MASK) {
> >> + case DRM_MODE_ROTATE_0:
> >> + rot = ROT_0;
> >> + break;
> >> + case DRM_MODE_ROTATE_90:
> >> + rot = ROT_90;
> >> + break;
> >> + case DRM_MODE_ROTATE_180:
> >> + rot = ROT_180;
> >> + break;
> >> + case DRM_MODE_ROTATE_270:
> >> + rot = ROT_270;
> >> + break;
> >> + default:
> >> + rot = ROT_0;
> >> + break;
> >> + }
> >> +
> >> + return rot;
> >> +}
> >> +
> >> +static inline u8 to_vs_yuv_color_space(u32 color_space)
> >> +{
> >> + u8 cs;
> >> +
> >> + switch (color_space) {
> >> + case DRM_COLOR_YCBCR_BT601:
> >> + cs = COLOR_SPACE_601;
> >> + break;
> >> + case DRM_COLOR_YCBCR_BT709:
> >> + cs = COLOR_SPACE_709;
> >> + break;
> >> + case DRM_COLOR_YCBCR_BT2020:
> >> + cs = COLOR_SPACE_2020;
> >> + break;
> >> + default:
> >> + cs = COLOR_SPACE_601;
> >> + break;
> >> + }
> >> +
> >> + return cs;
> >> +}
> >> +
> >> +static inline u8 to_vs_tile_mode(u64 modifier)
> >> +{
> >> + if (modifier == DRM_FORMAT_MOD_VIVANTE_TILED)
> >> + return DC_TILE_MODE4X4;
> >> +
> >> + return (u8)(modifier & DRM_FORMAT_MOD_VERISILICON_NORM_MODE_MASK);
> >> +}
> >> +
> >> +static inline u8 to_vs_display_id(struct vs_dc *dc, struct drm_crtc *crtc)
> >> +{
> >> + u8 panel_num = dc->hw.info->panel_num;
> >> + u32 index = drm_crtc_index(crtc);
> >> + int i;
> >> +
> >> + for (i = 0; i < panel_num; i++) {
> >> + if (index == dc->crtc[i]->base.index)
> >> + return i;
> >> + }
> >> +
> >> + return 0;
> >> +}
> >> +
> >> +static void vs_drm_update_pitch_alignment(struct drm_device *drm_dev,
> >> + unsigned int alignment)
> >> +{
> >> + struct vs_drm_device *priv = to_vs_drm_private(drm_dev);
> >> +
> >> + if (alignment > priv->pitch_alignment)
> >> + priv->pitch_alignment = alignment;
> >> +}
> >> +
> >> +static int plda_clk_rst_init(struct device *dev)
> >> +{
> >> + int ret = 0;
> >> + struct vs_dc *dc = dev_get_drvdata(dev);
> >> +
> >> + ret = clk_bulk_prepare_enable(dc->nclks, dc->clk_vout);
> >> + if (ret) {
> >> + dev_err(dev, "failed to enable clocks\n");
> >> + return ret;
> >> + }
> >> +
> >> + ret = reset_control_bulk_deassert(dc->nrsts, dc->rst_vout);
> >> + return ret;
> >> +}
> >> +
> >> +static void plda_clk_rst_deinit(struct device *dev)
> >> +{
> >> + struct vs_dc *dc = dev_get_drvdata(dev);
> >> +
> >> + reset_control_bulk_assert(dc->nrsts, dc->rst_vout);
> >> + clk_bulk_disable_unprepare(dc->nclks, dc->clk_vout);
> >> +}
> >> +
> >> +static void dc_deinit(struct device *dev)
> >> +{
> >> + struct vs_dc *dc = dev_get_drvdata(dev);
> >> +
> >> + dc_hw_enable_interrupt(&dc->hw, 0);
> >> + dc_hw_deinit(&dc->hw);
> >> + plda_clk_rst_deinit(dev);
> >> +}
> >> +
> >> +static int dc_init(struct device *dev)
> >> +{
> >> + struct vs_dc *dc = dev_get_drvdata(dev);
> >> + int ret;
> >> +
> >> + dc->first_frame = true;
> >> +
> >> + ret = plda_clk_rst_init(dev);
> >> + if (ret < 0) {
> >> + dev_err(dev, "failed to init dc clk reset: %d\n", ret);
> >> + return ret;
> >> + }
> >> +
> >> + ret = dc_hw_init(&dc->hw);
> >> + if (ret) {
> >> + dev_err(dev, "failed to init DC HW\n");
> >> + return ret;
> >> + }
> >> + return 0;
> >> +}
> >> +
> >> +void vs_dc_enable(struct vs_dc *dc, struct drm_crtc *crtc)
> >> +{
> >> + struct vs_crtc_state *crtc_state = to_vs_crtc_state(crtc->state);
> >> + struct drm_display_mode *mode = &crtc->state->adjusted_mode;
> >> + struct dc_hw_display display;
> >> +
> >> + display.bus_format = crtc_state->output_fmt;
> >> + display.h_active = mode->hdisplay;
> >> + display.h_total = mode->htotal;
> >> + display.h_sync_start = mode->hsync_start;
> >> + display.h_sync_end = mode->hsync_end;
> >> + if (mode->flags & DRM_MODE_FLAG_PHSYNC)
> >> + display.h_sync_polarity = true;
> >> + else
> >> + display.h_sync_polarity = false;
> >> +
> >> + display.v_active = mode->vdisplay;
> >> + display.v_total = mode->vtotal;
> >> + display.v_sync_start = mode->vsync_start;
> >> + display.v_sync_end = mode->vsync_end;
> >> +
> >> + if (mode->flags & DRM_MODE_FLAG_PVSYNC)
> >> + display.v_sync_polarity = true;
> >> + else
> >> + display.v_sync_polarity = false;
> >> +
> >> + display.id = to_vs_display_id(dc, crtc);
> >> +
> >> + display.enable = true;
> >> +
> >> + if (crtc_state->encoder_type == DRM_MODE_ENCODER_DSI) {
> >> + dc_hw_set_out(&dc->hw, OUT_DPI, display.id);
> >> + clk_set_rate(dc->clk_vout[CLK_VOUT_SOC_PIX].clk, mode->clock * 1000);
> >> + clk_set_parent(dc->clk_vout[CLK_VOUT_PIX1].clk,
> >> + dc->clk_vout[CLK_VOUT_SOC_PIX].clk);
> >> + } else {
> >> + dc_hw_set_out(&dc->hw, OUT_DP, display.id);
> >> + clk_set_parent(dc->clk_vout[CLK_VOUT_PIX0].clk,
> >> + dc->clk_vout[CLK_VOUT_HDMI_PIX].clk);
> >> + }
> >> +
> >> + dc_hw_setup_display(&dc->hw, &display);
> >> +}
> >> +
> >> +void vs_dc_disable(struct vs_dc *dc, struct drm_crtc *crtc)
> >> +{
> >> + struct dc_hw_display display;
> >> +
> >> + display.id = to_vs_display_id(dc, crtc);
> >> + display.enable = false;
> >> +
> >> + dc_hw_setup_display(&dc->hw, &display);
> >> +}
> >> +
> >> +void vs_dc_set_gamma(struct vs_dc *dc, struct drm_crtc *crtc,
> >> + struct drm_color_lut *lut, unsigned int size)
> >> +{
> >> + u16 i, r, g, b;
> >> + u8 bits, id;
> >> +
> >> + if (size != dc->hw.info->gamma_size) {
> >> + drm_err(crtc->dev, "gamma size does not match!\n");
> >> + return;
> >> + }
> >> +
> >> + id = to_vs_display_id(dc, crtc);
> >> +
> >> + bits = dc->hw.info->gamma_bits;
> >> + for (i = 0; i < size; i++) {
> >> + r = drm_color_lut_extract(lut[i].red, bits);
> >> + g = drm_color_lut_extract(lut[i].green, bits);
> >> + b = drm_color_lut_extract(lut[i].blue, bits);
> >> + dc_hw_update_gamma(&dc->hw, id, i, r, g, b);
> >> + }
> >> +}
> >> +
> >> +void vs_dc_enable_gamma(struct vs_dc *dc, struct drm_crtc *crtc,
> >> + bool enable)
> >> +{
> >> + u8 id;
> >> +
> >> + id = to_vs_display_id(dc, crtc);
> >> + dc_hw_enable_gamma(&dc->hw, id, enable);
> >> +}
> >> +
> >> +void vs_dc_enable_vblank(struct vs_dc *dc, bool enable)
> >> +{
> >> + dc_hw_enable_interrupt(&dc->hw, enable);
> >> +}
> >> +
> >> +static u32 calc_factor(u32 src, u32 dest)
> >> +{
> >> + u32 factor = 1 << 16;
> >> +
> >> + if (src > 1 && dest > 1)
> >> + factor = ((src - 1) << 16) / (dest - 1);
> >> +
> >> + return factor;
> >> +}
> >> +
> >> +static void update_scale(struct drm_plane_state *state, struct dc_hw_roi *roi,
> >> + struct dc_hw_scale *scale)
> >> +{
> >> + int dst_w = drm_rect_width(&state->dst);
> >> + int dst_h = drm_rect_height(&state->dst);
> >> + int src_w, src_h, temp;
> >> +
> >> + scale->enable = false;
> >> +
> >> + if (roi->enable) {
> >> + src_w = roi->width;
> >> + src_h = roi->height;
> >> + } else {
> >> + src_w = drm_rect_width(&state->src) >> 16;
> >> + src_h = drm_rect_height(&state->src) >> 16;
> >> + }
> >> +
> >> + if (drm_rotation_90_or_270(state->rotation)) {
> >> + temp = src_w;
> >> + src_w = src_h;
> >> + src_h = temp;
> >> + }
> >> +
> >> + if (src_w != dst_w) {
> >> + scale->scale_factor_x = calc_factor(src_w, dst_w);
> >> + scale->enable = true;
> >> + } else {
> >> + scale->scale_factor_x = 1 << 16;
> >> + }
> >> + if (src_h != dst_h) {
> >> + scale->scale_factor_y = calc_factor(src_h, dst_h);
> >> + scale->enable = true;
> >> + } else {
> >> + scale->scale_factor_y = 1 << 16;
> >> + }
> >> +}
> >> +
> >> +static void update_fb(struct vs_plane *plane, u8 display_id,
> >> + struct dc_hw_fb *fb, struct drm_plane_state *state)
> >> +{
> >> + struct vs_plane_state *plane_state = to_vs_plane_state(state);
> >> + struct drm_framebuffer *drm_fb = state->fb;
> >> + struct drm_rect *src = &state->src;
> >> +
> >> + fb->display_id = display_id;
> >> + fb->y_address = plane_state->dma_addr[0];
> >> + fb->y_stride = drm_fb->pitches[0];
> >> + if (drm_fb->format->format == DRM_FORMAT_YVU420) {
> >> + fb->u_address = plane_state->dma_addr[2];
> >> + fb->v_address = plane_state->dma_addr[1];
> >> + fb->u_stride = drm_fb->pitches[2];
> >> + fb->v_stride = drm_fb->pitches[1];
> >> + } else {
> >> + fb->u_address = plane_state->dma_addr[1];
> >> + fb->v_address = plane_state->dma_addr[2];
> >> + fb->u_stride = drm_fb->pitches[1];
> >> + fb->v_stride = drm_fb->pitches[2];
> >> + }
> >> + fb->width = drm_rect_width(src) >> 16;
> >> + fb->height = drm_rect_height(src) >> 16;
> >> + fb->tile_mode = to_vs_tile_mode(drm_fb->modifier);
> >> + fb->rotation = to_vs_rotation(state->rotation);
> >> + fb->yuv_color_space = to_vs_yuv_color_space(state->color_encoding);
> >> + fb->zpos = state->zpos;
> >> + fb->enable = state->visible;
> >> + update_format(drm_fb->format->format, drm_fb->modifier, fb);
> >> + update_swizzle(drm_fb->format->format, fb);
> >> + update_watermark(plane_state->watermark, fb);
> >> + plane_state->status.tile_mode = fb->tile_mode;
> >> +}
> >> +
> >> +static void update_degamma(struct vs_dc *dc, struct vs_plane *plane,
> >> + struct vs_plane_state *plane_state)
> >> +{
> >> + dc_hw_update_degamma(&dc->hw, plane->id, plane_state->degamma);
> >> + plane_state->degamma_changed = false;
> >> +}
> >> +
> >> +static void update_roi(struct vs_dc *dc, u8 id,
> >> + struct vs_plane_state *plane_state,
> >> + struct dc_hw_roi *roi,
> >> + struct drm_plane_state *state)
> >> +{
> >> + struct drm_vs_roi *data;
> >> + struct drm_rect *src = &state->src;
> >> + u16 src_w = drm_rect_width(src) >> 16;
> >> + u16 src_h = drm_rect_height(src) >> 16;
> >> +
> >> + if (plane_state->roi) {
> >> + data = plane_state->roi->data;
> >> +
> >> + if (data->enable) {
> >> + roi->x = data->roi_x;
> >> + roi->y = data->roi_y;
> >> + roi->width = (data->roi_x + data->roi_w > src_w) ?
> >> + (src_w - data->roi_x) : data->roi_w;
> >> + roi->height = (data->roi_y + data->roi_h > src_h) ?
> >> + (src_h - data->roi_y) : data->roi_h;
> >> + roi->enable = true;
> >> + } else {
> >> + roi->enable = false;
> >> + }
> >> +
> >> + dc_hw_update_roi(&dc->hw, id, roi);
> >> + } else {
> >> + roi->enable = false;
> >> + }
> >> +}
> >> +
> >> +static void update_color_mgmt(struct vs_dc *dc, u8 id,
> >> + struct dc_hw_fb *fb,
> >> + struct vs_plane_state *plane_state)
> >> +{
> >> + struct drm_vs_color_mgmt *data;
> >> + struct dc_hw_colorkey colorkey;
> >> +
> >> + if (plane_state->color_mgmt) {
> >> + data = plane_state->color_mgmt->data;
> >> +
> >> + fb->clear_enable = data->clear_enable;
> >> + fb->clear_value = data->clear_value;
> >> +
> >> + if (data->colorkey > data->colorkey_high)
> >> + data->colorkey = data->colorkey_high;
> >> +
> >> + colorkey.colorkey = data->colorkey;
> >> + colorkey.colorkey_high = data->colorkey_high;
> >> + colorkey.transparency = (data->transparency) ?
> >> + DC_TRANSPARENCY_KEY : DC_TRANSPARENCY_OPAQUE;
> >> + dc_hw_update_colorkey(&dc->hw, id, &colorkey);
> >> + }
> >> +}
> >> +
> >> +static void update_plane(struct vs_dc *dc, struct vs_plane *plane,
> >> + struct drm_plane *drm_plane,
> >> + struct drm_atomic_state *drm_state)
> >> +{
> >> + struct dc_hw_fb fb = {0};
> >> + struct dc_hw_scale scale;
> >> + struct dc_hw_position pos;
> >> + struct dc_hw_blend blend;
> >> + struct dc_hw_roi roi;
> >> + struct drm_plane_state *state = drm_atomic_get_new_plane_state(drm_state,
> >> + drm_plane);
> >> + struct vs_plane_state *plane_state = to_vs_plane_state(state);
> >> + struct drm_rect *dest = &state->dst;
> >> + bool dec_enable = false;
> >> + u8 display_id = 0;
> >> +
> >> + display_id = to_vs_display_id(dc, state->crtc);
> >> + update_fb(plane, display_id, &fb, state);
> >> + fb.dec_enable = dec_enable;
> >> +
> >> + update_roi(dc, plane->id, plane_state, &roi, state);
> >> +
> >> + update_scale(state, &roi, &scale);
> >> +
> >> + if (plane_state->degamma_changed)
> >> + update_degamma(dc, plane, plane_state);
> >> +
> >> + pos.start_x = dest->x1;
> >> + pos.start_y = dest->y1;
> >> + pos.end_x = dest->x2;
> >> + pos.end_y = dest->y2;
> >> +
> >> + blend.alpha = (u8)(state->alpha >> 8);
> >> + blend.blend_mode = (u8)(state->pixel_blend_mode);
> >> +
> >> + update_color_mgmt(dc, plane->id, &fb, plane_state);
> >> +
> >> + dc_hw_update_plane(&dc->hw, plane->id, &fb, &scale, &pos, &blend);
> >> +}
> >> +
> >> +static void update_qos(struct vs_dc *dc, struct vs_plane *plane,
> >> + struct drm_plane *drm_plane,
> >> + struct drm_atomic_state *drm_state)
> >> +{
> >> + struct drm_plane_state *state = drm_atomic_get_new_plane_state(drm_state,
> >> + drm_plane);
> >> + struct vs_plane_state *plane_state = to_vs_plane_state(state);
> >> + struct drm_vs_watermark *data;
> >> + struct dc_hw_qos qos;
> >> +
> >> + if (plane_state->watermark) {
> >> + data = plane_state->watermark->data;
> >> +
> >> + if (data->qos_high) {
> >> + if (data->qos_low > data->qos_high)
> >> + data->qos_low = data->qos_high;
> >> +
> >> + qos.low_value = data->qos_low & 0x0F;
> >> + qos.high_value = data->qos_high & 0x0F;
> >> + dc_hw_update_qos(&dc->hw, &qos);
> >> + }
> >> + }
> >> +}
> >> +
> >> +static void update_cursor_size(struct drm_plane_state *state, struct dc_hw_cursor *cursor)
> >> +{
> >> + u8 size_type;
> >> +
> >> + switch (state->crtc_w) {
> >> + case 32:
> >> + size_type = CURSOR_SIZE_32X32;
> >> + break;
> >> + case 64:
> >> + size_type = CURSOR_SIZE_64X64;
> >> + break;
> >> + default:
> >> + size_type = CURSOR_SIZE_32X32;
> >> + break;
> >> + }
> >> +
> >> + cursor->size = size_type;
> >> +}
> >> +
> >> +static void update_cursor_plane(struct vs_dc *dc, struct vs_plane *plane,
> >> + struct drm_plane *drm_plane,
> >> + struct drm_atomic_state *drm_state)
> >> +{
> >> + struct drm_plane_state *state = drm_atomic_get_new_plane_state(drm_state,
> >> + drm_plane);
> >> + struct vs_plane_state *plane_state = to_vs_plane_state(state);
> >> + struct drm_framebuffer *drm_fb = state->fb;
> >> + struct dc_hw_cursor cursor;
> >> +
> >> + cursor.address = plane_state->dma_addr[0];
> >> + cursor.x = state->crtc_x;
> >> + cursor.y = state->crtc_y;
> >> + cursor.hot_x = drm_fb->hot_x;
> >> + cursor.hot_y = drm_fb->hot_y;
> >> + cursor.display_id = to_vs_display_id(dc, state->crtc);
> >> + update_cursor_size(state, &cursor);
> >> + cursor.enable = true;
> >> +
> >> + dc_hw_update_cursor(&dc->hw, cursor.display_id, &cursor);
> >> +}
> >> +
> >> +void vs_dc_update_plane(struct vs_dc *dc, struct vs_plane *plane,
> >> + struct drm_plane *drm_plane,
> >> + struct drm_atomic_state *drm_state)
> >> +{
> >> + update_plane(dc, plane, drm_plane, drm_state);
> >> + update_qos(dc, plane, drm_plane, drm_state);
> >> +}
> >> +
> >> +void vs_dc_update_cursor_plane(struct vs_dc *dc, struct vs_plane *plane,
> >> + struct drm_plane *drm_plane,
> >> + struct drm_atomic_state *drm_state)
> >> +{
> >> + update_cursor_plane(dc, plane, drm_plane, drm_state);
> >> +}
> >> +
> >> +void vs_dc_disable_plane(struct vs_dc *dc, struct vs_plane *plane,
> >> + struct drm_plane_state *old_state)
> >> +{
> >> + struct dc_hw_fb fb = {0};
> >> +
> >> + fb.enable = false;
> >> + dc_hw_update_plane(&dc->hw, plane->id, &fb, NULL, NULL, NULL);
> >> +}
> >> +
> >> +void vs_dc_disable_cursor_plane(struct vs_dc *dc, struct vs_plane *plane,
> >> + struct drm_plane_state *old_state)
> >> +{
> >> + struct dc_hw_cursor cursor = {0};
> >> +
> >> + cursor.enable = false;
> >> + cursor.display_id = to_vs_display_id(dc, old_state->crtc);
> >> + dc_hw_update_cursor(&dc->hw, cursor.display_id, &cursor);
> >> +}
> >> +
> >> +static bool vs_dc_mod_supported(const struct vs_plane_info *plane_info,
> >> + u64 modifier)
> >> +{
> >> + const u64 *mods;
> >> +
> >> + if (!plane_info->modifiers)
> >> + return false;
> >> +
> >> + for (mods = plane_info->modifiers; *mods != DRM_FORMAT_MOD_INVALID; mods++) {
> >> + if (*mods == modifier)
> >> + return true;
> >> + }
> >> +
> >> + return false;
> >> +}
> >> +
> >> +int vs_dc_check_plane(struct vs_dc *dc, struct drm_plane *plane,
> >> + struct drm_atomic_state *state)
> >> +{
> >> + struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
> >> + plane);
> >> +
> >> + struct drm_framebuffer *fb = new_plane_state->fb;
> >> + const struct vs_plane_info *plane_info;
> >> + struct drm_crtc *crtc = new_plane_state->crtc;
> >> + struct drm_crtc_state *crtc_state;
> >> + struct vs_plane *vs_plane = to_vs_plane(plane);
> >> +
> >> + plane_info = &dc->hw.info->planes[vs_plane->id];
> >> +
> >> + if (fb->width < plane_info->min_width ||
> >> + fb->width > plane_info->max_width ||
> >> + fb->height < plane_info->min_height ||
> >> + fb->height > plane_info->max_height)
> >> + drm_err_once(plane->dev, "buffer size may not support on plane%d.\n",
> >> + vs_plane->id);
> >> +
> >> + if (!vs_dc_mod_supported(plane_info, fb->modifier)) {
> >> + drm_err(plane->dev, "unsupported modifier on plane%d.\n", vs_plane->id);
> >> + return -EINVAL;
> >> + }
> >> +
> >> + crtc_state = drm_atomic_get_existing_crtc_state(state, crtc);
> >> + return drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
> >> + plane_info->min_scale,
> >> + plane_info->max_scale,
> >> + true, true);
> >> +}
> >> +
> >> +int vs_dc_check_cursor_plane(struct vs_dc *dc, struct drm_plane *plane,
> >> + struct drm_atomic_state *state)
> >> +{
> >> + struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
> >> + plane);
> >> + struct drm_framebuffer *fb = new_plane_state->fb;
> >> + const struct vs_plane_info *plane_info;
> >> + struct drm_crtc *crtc = new_plane_state->crtc;
> >> + struct drm_crtc_state *crtc_state;
> >> + struct vs_plane *vs_plane = to_vs_plane(plane);
> >> +
> >> + plane_info = &dc->hw.info->planes[vs_plane->id];
> >> +
> >> + if (fb->width < plane_info->min_width ||
> >> + fb->width > plane_info->max_width ||
> >> + fb->height < plane_info->min_height ||
> >> + fb->height > plane_info->max_height)
> >> + drm_err_once(plane->dev, "buffer size may not support on plane%d.\n", vs_plane->id);
> >> +
> >> + crtc_state = drm_atomic_get_existing_crtc_state(state, crtc);
> >> + if (IS_ERR(crtc_state))
> >> + return -EINVAL;
> >> +
> >> + return drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
> >> + plane_info->min_scale,
> >> + plane_info->max_scale,
> >> + true, true);
> >> +}
> >> +
> >> +static void vs_crtc_handle_vblank(struct drm_crtc *crtc, bool underflow)
> >> +{
> >> + struct vs_crtc_state *vs_crtc_state = to_vs_crtc_state(crtc->state);
> >> +
> >> + drm_crtc_handle_vblank(crtc);
> >> +
> >> + vs_crtc_state->underflow = underflow;
> >> +}
> >> +
> >> +static irqreturn_t dc_isr(int irq, void *data)
> >> +{
> >> + struct vs_dc *dc = data;
> >> + struct vs_dc_info *dc_info = dc->hw.info;
> >> + u32 i, ret;
> >> +
> >> + ret = dc_hw_get_interrupt(&dc->hw);
> >> +
> >> + for (i = 0; i < dc_info->panel_num; i++)
> >> + vs_crtc_handle_vblank(&dc->crtc[i]->base, dc_hw_check_underflow(&dc->hw));
> >> +
> >> + return IRQ_HANDLED;
> >> +}
> >> +
> >> +void vs_dc_commit(struct vs_dc *dc)
> >> +{
> >> + dc_hw_enable_shadow_register(&dc->hw, false);
> >> +
> >> + dc_hw_commit(&dc->hw);
> >> +
> >> + if (dc->first_frame)
> >> + dc->first_frame = false;
> >> +
> >> + dc_hw_enable_shadow_register(&dc->hw, true);
> >> +}
> >> +
> >> +static int dc_bind(struct device *dev, struct device *master, void *data)
> >> +{
> >> + struct drm_device *drm_dev = data;
> >> + struct vs_dc *dc = dev_get_drvdata(dev);
> >> + struct device_node *port;
> >> + struct vs_crtc *crtc;
> >> + struct vs_dc_info *dc_info;
> >> + struct vs_plane *plane;
> >> + struct vs_plane_info *plane_info;
> >> + int i, ret;
> >> + u32 ctrc_mask = 0;
> >> +
> >> + if (!drm_dev || !dc) {
> >> + dev_err(dev, "devices are not created.\n");
> >> + return -ENODEV;
> >> + }
> >> +
> >> + ret = dc_init(dev);
> >> + if (ret < 0) {
> >> + drm_err(drm_dev, "Failed to initialize DC hardware.\n");
> >> + return ret;
> >> + }
> >> +
> >> + port = of_get_child_by_name(dev->of_node, "port");
> >> + if (!port) {
> >> + drm_err(drm_dev, "no port node found\n");
> >> + return -ENODEV;
> >> + }
> >> + of_node_put(port);
> >> +
> >> + dc_info = dc->hw.info;
> >> +
> >> + for (i = 0; i < dc_info->panel_num; i++) {
> >> + crtc = vs_crtc_create(drm_dev, dc_info);
> >> + if (!crtc) {
> >> + drm_err(drm_dev, "Failed to create CRTC.\n");
> >> + ret = -ENOMEM;
> >> + return ret;
> >> + }
> >> +
> >> + crtc->base.port = port;
> >> + crtc->dev = dev;
> >> + dc->crtc[i] = crtc;
> >> + ctrc_mask |= drm_crtc_mask(&crtc->base);
> >> + }
> >> +
> >> + for (i = 0; i < dc_info->plane_num; i++) {
> >> + plane_info = (struct vs_plane_info *)&dc_info->planes[i];
> >> +
> >> + if (!strcmp(plane_info->name, "Primary") || !strcmp(plane_info->name, "Cursor")) {
> >> + plane = vs_plane_create(drm_dev, plane_info, dc_info->layer_num,
> >> + drm_crtc_mask(&dc->crtc[0]->base));
> >> + } else if (!strcmp(plane_info->name, "Primary_1") ||
> >> + !strcmp(plane_info->name, "Cursor_1")) {
> >> + plane = vs_plane_create(drm_dev, plane_info, dc_info->layer_num,
> >> + drm_crtc_mask(&dc->crtc[1]->base));
> >
> > I'd say, it's not typical to use name to distinguish objects. Maybe you
> > can add indices to the info structure and drop the names instead?
> >
> >
> >> + } else {
> >> + plane = vs_plane_create(drm_dev, plane_info,
> >> + dc_info->layer_num, ctrc_mask);
> >> + }
> >> +
> >> + if (IS_ERR(plane)) {
> >> + dev_err(dev, "failed to construct plane\n");
> >> + return PTR_ERR(plane);
> >> + }
> >> +
> >> + plane->id = i;
> >> + dc->planes[i].id = plane_info->id;
> >> +
> >> + if (plane_info->type == DRM_PLANE_TYPE_PRIMARY) {
> >> + if (!strcmp(plane_info->name, "Primary"))
> >> + dc->crtc[0]->base.primary = &plane->base;
> >> + else
> >> + dc->crtc[1]->base.primary = &plane->base;
> >
> > This definitely urges for an index in the plane info / plane_state.
> >
> >> + drm_dev->mode_config.min_width = plane_info->min_width;
> >> + drm_dev->mode_config.min_height =
> >> + plane_info->min_height;
> >> + drm_dev->mode_config.max_width = plane_info->max_width;
> >> + drm_dev->mode_config.max_height =
> >> + plane_info->max_height;
> >> + }
> >> +
> >> + if (plane_info->type == DRM_PLANE_TYPE_CURSOR) {
> >> + if (!strcmp(plane_info->name, "Cursor"))
> >> + dc->crtc[0]->base.cursor = &plane->base;
> >> + else
> >> + dc->crtc[1]->base.cursor = &plane->base;
> >> + drm_dev->mode_config.cursor_width =
> >> + plane_info->max_width;
> >> + drm_dev->mode_config.cursor_height =
> >> + plane_info->max_height;
> >> + }
> >> + }
> >> +
> >> + vs_drm_update_pitch_alignment(drm_dev, dc_info->pitch_alignment);
> >> + return 0;
> >> +}
> >> +
> >> +static void dc_unbind(struct device *dev, struct device *master, void *data)
> >> +{
> >> + dc_deinit(dev);
> >> +}
> >> +
> >> +const struct component_ops dc_component_ops = {
> >> + .bind = dc_bind,
> >> + .unbind = dc_unbind,
> >> +};
> >> +
> >> +static const struct of_device_id dc_driver_dt_match[] = {
> >> + { .compatible = "starfive,jh7110-dc8200", },
> >> + {},
> >> +};
> >> +MODULE_DEVICE_TABLE(of, dc_driver_dt_match);
> >> +
> >> +static int dc_probe(struct platform_device *pdev)
> >> +{
> >> + struct device *dev = &pdev->dev;
> >> + struct vs_dc *dc;
> >> + int irq, ret, i;
> >> +
> >> + dc = devm_kzalloc(dev, sizeof(*dc), GFP_KERNEL);
> >> + if (!dc)
> >> + return -ENOMEM;
> >> +
> >> + dc->hw.hi_base = devm_platform_ioremap_resource(pdev, 0);
> >> + if (IS_ERR(dc->hw.hi_base))
> >> + return PTR_ERR(dc->hw.hi_base);
> >> +
> >> + dc->hw.reg_base = devm_platform_ioremap_resource(pdev, 1);
> >> + if (IS_ERR(dc->hw.reg_base))
> >> + return PTR_ERR(dc->hw.reg_base);
> >> +
> >> + dc->nclks = ARRAY_SIZE(dc->clk_vout);
> >> + for (i = 0; i < dc->nclks; ++i)
> >> + dc->clk_vout[i].id = vout_clocks[i];
> >> + ret = devm_clk_bulk_get(dev, dc->nclks, dc->clk_vout);
> >> + if (ret) {
> >> + dev_err(dev, "Failed to get clk controls\n");
> >> + return ret;
> >> + }
> >> +
> >> + dc->nrsts = ARRAY_SIZE(dc->rst_vout);
> >> + for (i = 0; i < dc->nrsts; ++i)
> >> + dc->rst_vout[i].id = vout_resets[i];
> >> + ret = devm_reset_control_bulk_get_shared(dev, dc->nrsts,
> >> + dc->rst_vout);
> >> + if (ret) {
> >> + dev_err(dev, "Failed to get reset controls\n");
> >> + return ret;
> >> + }
> >> +
> >> + irq = platform_get_irq(pdev, 0);
> >> +
> >> + ret = devm_request_irq(dev, irq, dc_isr, 0, dev_name(dev), dc);
> >
> > Are you ready to handle the IRQ at this point?
> >
> >> + if (ret < 0) {
> >> + dev_err(dev, "Failed to install irq:%u.\n", irq);
> >> + return ret;
> >> + }
> >> +
> >> + dev_set_drvdata(dev, dc);
> >> +
> >> + return component_add(dev, &dc_component_ops);
> >> +}
> >> +
> >> +static int dc_remove(struct platform_device *pdev)
> >> +{
> >> + struct device *dev = &pdev->dev;
> >> +
> >> + component_del(dev, &dc_component_ops);
> >> +
> >> + dev_set_drvdata(dev, NULL);
> >> +
> >> + return 0;
> >> +}
> >> +
> >> +struct platform_driver dc_platform_driver = {
> >> + .probe = dc_probe,
> >> + .remove = dc_remove,
> >> + .driver = {
> >> + .name = "vs-dc",
> >> + .of_match_table = of_match_ptr(dc_driver_dt_match),
> >> + },
> >> +};
> >> +
> >> +MODULE_AUTHOR("StarFive Corporation");
> >> +MODULE_DESCRIPTION("VeriSilicon DC Driver");
> >> +MODULE_LICENSE("GPL");
> >> diff --git a/drivers/gpu/drm/verisilicon/vs_dc.h b/drivers/gpu/drm/verisilicon/vs_dc.h
> >> new file mode 100644
> >> index 000000000..8e96fd32c
> >> --- /dev/null
> >> +++ b/drivers/gpu/drm/verisilicon/vs_dc.h
> >> @@ -0,0 +1,80 @@
> >> +/* SPDX-License-Identifier: GPL-2.0 */
> >> +/*
> >> + * Copyright (C) 2023 VeriSilicon Holdings Co., Ltd.
> >> + */
> >> +
> >> +#ifndef __VS_DC_H__
> >> +#define __VS_DC_H__
> >> +
> >> +#include <linux/clk.h>
> >> +#include <linux/mm_types.h>
> >> +#include <linux/reset.h>
> >> +
> >> +#include <drm/drm_fourcc.h>
> >> +#include <drm/drm_modes.h>
> >> +
> >> +#include "vs_crtc.h"
> >> +#include "vs_dc_hw.h"
> >> +#include "vs_plane.h"
> >> +
> >> +struct vs_dc_plane {
> >> + enum dc_hw_plane_id id;
> >> +};
> >> +
> >> +enum vout_clk {
> >> + CLK_VOUT_NOC_DISP = 0,
> >> + CLK_VOUT_PIX0,
> >> + CLK_VOUT_PIX1,
> >> + CLK_VOUT_CORE,
> >> + CLK_VOUT_AXI,
> >> + CLK_VOUT_AHB,
> >> + CLK_VOUT_HDMI_PIX,
> >> + CLK_VOUT_SOC_PIX,
> >> + CLK_VOUT_NUM
> >> +};
> >> +
> >> +enum rst_vout {
> >> + RST_VOUT_AXI = 0,
> >> + RST_VOUT_AHB,
> >> + RST_VOUT_CORE,
> >> + RST_VOUT_NUM
> >> +};
> >> +
> >> +struct vs_dc {
> >> + struct vs_crtc *crtc[DC_DISPLAY_NUM];
> >> + struct dc_hw hw;
> >> + bool first_frame;
> >> +
> >> + struct vs_dc_plane planes[PLANE_NUM];
> >> + struct clk_bulk_data clk_vout[CLK_VOUT_NUM];
> >> + int nclks;
> >> + struct reset_control_bulk_data rst_vout[RST_VOUT_NUM];
> >> + int nrsts;
> >> +};
> >> +
> >> +void vs_dc_enable(struct vs_dc *dc, struct drm_crtc *crtc);
> >> +void vs_dc_disable(struct vs_dc *dc, struct drm_crtc *crtc);
> >> +
> >> +void vs_dc_set_gamma(struct vs_dc *dc, struct drm_crtc *crtc,
> >> + struct drm_color_lut *lut, unsigned int size);
> >> +void vs_dc_enable_gamma(struct vs_dc *dc, struct drm_crtc *crtc, bool enable);
> >> +void vs_dc_enable_vblank(struct vs_dc *dc, bool enable);
> >> +void vs_dc_commit(struct vs_dc *dc);
> >> +void vs_dc_update_plane(struct vs_dc *dc, struct vs_plane *plane,
> >> + struct drm_plane *drm_plane,
> >> + struct drm_atomic_state *drm_state);
> >> +void vs_dc_disable_plane(struct vs_dc *dc, struct vs_plane *plane,
> >> + struct drm_plane_state *old_state);
> >> +int vs_dc_check_plane(struct vs_dc *dc, struct drm_plane *plane,
> >> + struct drm_atomic_state *state);
> >> +void vs_dc_update_cursor_plane(struct vs_dc *dc, struct vs_plane *plane,
> >> + struct drm_plane *drm_plane,
> >> + struct drm_atomic_state *drm_state);
> >> +void vs_dc_disable_cursor_plane(struct vs_dc *dc, struct vs_plane *plane,
> >> + struct drm_plane_state *old_state);
> >> +int vs_dc_check_cursor_plane(struct vs_dc *dc, struct drm_plane *plane,
> >> + struct drm_atomic_state *state);
> >> +
> >> +extern struct platform_driver dc_platform_driver;
> >> +
> >> +#endif /* __VS_DC_H__ */
> >> diff --git a/drivers/gpu/drm/verisilicon/vs_dc_hw.c b/drivers/gpu/drm/verisilicon/vs_dc_hw.c
> >> new file mode 100644
> >> index 000000000..e5acb7eb4
> >> --- /dev/null
> >> +++ b/drivers/gpu/drm/verisilicon/vs_dc_hw.c
> >> @@ -0,0 +1,1959 @@
> >> +// SPDX-License-Identifier: GPL-2.0
> >> +/*
> >> + * Copyright (C) 2023 VeriSilicon Holdings Co., Ltd.
> >> + */
> >> +
> >> +#include <linux/bits.h>
> >> +#include <linux/io.h>
> >> +#include <linux/media-bus-format.h>
> >> +#include <drm/drm_atomic_helper.h>
> >> +#include <drm/drm_blend.h>
> >> +#include <drm/drm_fourcc.h>
> >> +#include <drm/vs_drm.h>
> >> +
> >> +#include "vs_dc_hw.h"
> >> +#include "vs_type.h"
> >> +
> >> +static const u32 horkernel[] = {
> >> + 0x00000000, 0x20000000, 0x00002000, 0x00000000,
> >> + 0x00000000, 0x00000000, 0x23fd1c03, 0x00000000,
> >> + 0x00000000, 0x00000000, 0x181f0000, 0x000027e1,
> >> + 0x00000000, 0x00000000, 0x00000000, 0x2b981468,
> >> + 0x00000000, 0x00000000, 0x00000000, 0x10f00000,
> >> + 0x00002f10, 0x00000000, 0x00000000, 0x00000000,
> >> + 0x32390dc7, 0x00000000, 0x00000000, 0x00000000,
> >> + 0x0af50000, 0x0000350b, 0x00000000, 0x00000000,
> >> + 0x00000000, 0x3781087f, 0x00000000, 0x00000000,
> >> + 0x00000000, 0x06660000, 0x0000399a, 0x00000000,
> >> + 0x00000000, 0x00000000, 0x3b5904a7, 0x00000000,
> >> + 0x00000000, 0x00000000, 0x033c0000, 0x00003cc4,
> >> + 0x00000000, 0x00000000, 0x00000000, 0x3de1021f,
> >> + 0x00000000, 0x00000000, 0x00000000, 0x01470000,
> >> + 0x00003eb9, 0x00000000, 0x00000000, 0x00000000,
> >> + 0x3f5300ad, 0x00000000, 0x00000000, 0x00000000,
> >> + 0x00480000, 0x00003fb8, 0x00000000, 0x00000000,
> >> + 0x00000000, 0x3fef0011, 0x00000000, 0x00000000,
> >> + 0x00000000, 0x00000000, 0x00004000, 0x00000000,
> >> + 0x00000000, 0x00000000, 0x20002000, 0x00000000,
> >> + 0x00000000, 0x00000000, 0x1c030000, 0x000023fd,
> >> + 0x00000000, 0x00000000, 0x00000000, 0x27e1181f,
> >> + 0x00000000, 0x00000000, 0x00000000, 0x14680000,
> >> + 0x00002b98, 0x00000000, 0x00000000, 0x00000000,
> >> + 0x2f1010f0, 0x00000000, 0x00000000, 0x00000000,
> >> + 0x0dc70000, 0x00003239, 0x00000000, 0x00000000,
> >> + 0x00000000, 0x350b0af5, 0x00000000, 0x00000000,
> >> + 0x00000000, 0x087f0000, 0x00003781, 0x00000000,
> >> + 0x00000000, 0x00000000, 0x399a0666, 0x00000000,
> >> + 0x00000000, 0x00000000, 0x04a70000, 0x00003b59,
> >> + 0x00000000, 0x00000000, 0x00000000, 0x3cc4033c,
> >> + 0x00000000, 0x00000000, 0x00000000, 0x021f0000,
> >> +};
> >> +
> >> +#define H_COEF_SIZE (sizeof(horkernel) / sizeof(u32))
> >> +
> >> +static const u32 verkernel[] = {
> >> + 0x00000000, 0x20000000, 0x00002000, 0x00000000,
> >> + 0x00000000, 0x00000000, 0x23fd1c03, 0x00000000,
> >> + 0x00000000, 0x00000000, 0x181f0000, 0x000027e1,
> >> + 0x00000000, 0x00000000, 0x00000000, 0x2b981468,
> >> + 0x00000000, 0x00000000, 0x00000000, 0x10f00000,
> >> + 0x00002f10, 0x00000000, 0x00000000, 0x00000000,
> >> + 0x32390dc7, 0x00000000, 0x00000000, 0x00000000,
> >> + 0x0af50000, 0x0000350b, 0x00000000, 0x00000000,
> >> + 0x00000000, 0x3781087f, 0x00000000, 0x00000000,
> >> + 0x00000000, 0x06660000, 0x0000399a, 0x00000000,
> >> + 0x00000000, 0x00000000, 0x3b5904a7, 0x00000000,
> >> + 0x00000000, 0x00000000, 0x033c0000, 0x00003cc4,
> >> + 0x00000000, 0x00000000, 0x00000000, 0x3de1021f,
> >> + 0x00000000, 0x00000000, 0x00000000, 0x01470000,
> >> + 0x00003eb9, 0x00000000, 0x00000000, 0x00000000,
> >> + 0x3f5300ad, 0x00000000, 0x00000000, 0x00000000,
> >> + 0x00480000, 0x00003fb8, 0x00000000, 0x00000000,
> >> + 0x00000000, 0x3fef0011, 0x00000000, 0x00000000,
> >> + 0x00000000, 0x00000000, 0x00004000, 0x00000000,
> >> + 0xcdcd0000, 0xfdfdfdfd, 0xabababab, 0xabababab,
> >> + 0x00000000, 0x00000000, 0x5ff5f456, 0x000f5f58,
> >> + 0x02cc6c78, 0x02cc0c28, 0xfeeefeee, 0xfeeefeee,
> >> + 0xfeeefeee, 0xfeeefeee, 0xfeeefeee, 0xfeeefeee,
> >> + 0xfeeefeee, 0xfeeefeee, 0xfeeefeee, 0xfeeefeee,
> >> + 0xfeeefeee, 0xfeeefeee, 0xfeeefeee, 0xfeeefeee,
> >> + 0xfeeefeee, 0xfeeefeee, 0xfeeefeee, 0xfeeefeee,
> >> + 0xfeeefeee, 0xfeeefeee, 0xfeeefeee, 0xfeeefeee,
> >> + 0xfeeefeee, 0xfeeefeee, 0xfeeefeee, 0xfeeefeee,
> >> + 0xfeeefeee, 0xfeeefeee, 0xfeeefeee, 0xfeeefeee,
> >> + 0xfeeefeee, 0xfeeefeee, 0xfeeefeee, 0xfeeefeee,
> >> + 0xfeeefeee, 0xfeeefeee, 0xfeeefeee, 0xfeeefeee,
> >> + 0xfeeefeee, 0xfeeefeee, 0xfeeefeee, 0xfeeefeee,
> >> +};
> >> +
> >> +#define V_COEF_SIZE (sizeof(verkernel) / sizeof(u32))
> >> +
> >> +/*
> >> + * RGB 709->2020 conversion parameters
> >> + */
> >> +static u16 RGB2RGB[RGB_TO_RGB_TABLE_SIZE] = {
> >> + 10279, 5395, 709,
> >> + 1132, 15065, 187,
> >> + 269, 1442, 14674
> >> +};
> >> +
> >> +/*
> >> + * YUV601 to RGB conversion parameters
> >> + * YUV2RGB[0] - [8] : C0 - C8;
> >> + * YUV2RGB[9] - [11]: D0 - D2;
> >> + * YUV2RGB[12] - [13]: Y clamp min & max calue;
> >> + * YUV2RGB[14] - [15]: UV clamp min & max calue;
> >> + */
> >> +static s32 YUV601_2RGB[YUV_TO_RGB_TABLE_SIZE] = {
> >> + 1196, 0, 1640, 1196,
> >> + -404, -836, 1196, 2076,
> >> + 0, -916224, 558336, -1202944,
> >> + 64, 940, 64, 960
> >> +};
> >> +
> >> +/*
> >> + * YUV709 to RGB conversion parameters
> >> + * YUV2RGB[0] - [8] : C0 - C8;
> >> + * YUV2RGB[9] - [11]: D0 - D2;
> >> + * YUV2RGB[12] - [13]: Y clamp min & max calue;
> >> + * YUV2RGB[14] - [15]: UV clamp min & max calue;
> >> + */
> >> +static s32 YUV709_2RGB[YUV_TO_RGB_TABLE_SIZE] = {
> >> + 1196, 0, 1844, 1196,
> >> + -220, -548, 1196, 2172,
> >> + 0, -1020672, 316672, -1188608,
> >> + 64, 940, 64, 960
> >> +};
> >> +
> >> +/*
> >> + * YUV2020 to RGB conversion parameters
> >> + * YUV2RGB[0] - [8] : C0 - C8;
> >> + * YUV2RGB[9] - [11]: D0 - D2;
> >> + * YUV2RGB[12] - [13]: Y clamp min & max calue;
> >> + * YUV2RGB[14] - [15]: UV clamp min & max calue;
> >> + */
> >> +static s32 YUV2020_2RGB[YUV_TO_RGB_TABLE_SIZE] = {
> >> + 1196, 0, 1724, 1196,
> >> + -192, -668, 1196, 2200,
> >> + 0, -959232, 363776, -1202944,
> >> + 64, 940, 64, 960
> >> +};
> >> +
> >> +/*
> >> + * RGB to YUV2020 conversion parameters
> >> + * RGB2YUV[0] - [8] : C0 - C8;
> >> + * RGB2YUV[9] - [11]: D0 - D2;
> >> + */
> >> +static s16 RGB2YUV[RGB_TO_YUV_TABLE_SIZE] = {
> >> + 230, 594, 52,
> >> + -125, -323, 448,
> >> + 448, -412, -36,
> >> + 64, 512, 512
> >> +};
> >> +
> >> +/*
> >> + * Degamma table for 709 color space data.
> >> + */
> >> +static u16 DEGAMMA_709[DEGAMMA_SIZE] = {
> >> + 0x0000, 0x0000, 0x0000, 0x0000, 0x0001, 0x0002, 0x0004, 0x0005,
> >> + 0x0007, 0x000a, 0x000d, 0x0011, 0x0015, 0x0019, 0x001e, 0x0024,
> >> + 0x002a, 0x0030, 0x0038, 0x003f, 0x0048, 0x0051, 0x005a, 0x0064,
> >> + 0x006f, 0x007b, 0x0087, 0x0094, 0x00a1, 0x00af, 0x00be, 0x00ce,
> >> + 0x00de, 0x00ef, 0x0101, 0x0114, 0x0127, 0x013b, 0x0150, 0x0166,
> >> + 0x017c, 0x0193, 0x01ac, 0x01c4, 0x01de, 0x01f9, 0x0214, 0x0230,
> >> + 0x024d, 0x026b, 0x028a, 0x02aa, 0x02ca, 0x02ec, 0x030e, 0x0331,
> >> + 0x0355, 0x037a, 0x03a0, 0x03c7, 0x03ef, 0x0418, 0x0441, 0x046c,
> >> + 0x0498, 0x04c4, 0x04f2, 0x0520, 0x0550, 0x0581, 0x05b2, 0x05e5,
> >> + 0x0618, 0x064d, 0x0682, 0x06b9, 0x06f0, 0x0729, 0x0763, 0x079d,
> >> + 0x07d9, 0x0816, 0x0854, 0x0893, 0x08d3, 0x0914, 0x0956, 0x0999,
> >> + 0x09dd, 0x0a23, 0x0a69, 0x0ab1, 0x0afa, 0x0b44, 0x0b8f, 0x0bdb,
> >> + 0x0c28, 0x0c76, 0x0cc6, 0x0d17, 0x0d69, 0x0dbb, 0x0e10, 0x0e65,
> >> + 0x0ebb, 0x0f13, 0x0f6c, 0x0fc6, 0x1021, 0x107d, 0x10db, 0x113a,
> >> + 0x119a, 0x11fb, 0x125d, 0x12c1, 0x1325, 0x138c, 0x13f3, 0x145b,
> >> + 0x14c5, 0x1530, 0x159c, 0x160a, 0x1678, 0x16e8, 0x175a, 0x17cc,
> >> + 0x1840, 0x18b5, 0x192b, 0x19a3, 0x1a1c, 0x1a96, 0x1b11, 0x1b8e,
> >> + 0x1c0c, 0x1c8c, 0x1d0c, 0x1d8e, 0x1e12, 0x1e96, 0x1f1c, 0x1fa3,
> >> + 0x202c, 0x20b6, 0x2141, 0x21ce, 0x225c, 0x22eb, 0x237c, 0x240e,
> >> + 0x24a1, 0x2536, 0x25cc, 0x2664, 0x26fc, 0x2797, 0x2832, 0x28cf,
> >> + 0x296e, 0x2a0e, 0x2aaf, 0x2b51, 0x2bf5, 0x2c9b, 0x2d41, 0x2dea,
> >> + 0x2e93, 0x2f3e, 0x2feb, 0x3099, 0x3148, 0x31f9, 0x32ab, 0x335f,
> >> + 0x3414, 0x34ca, 0x3582, 0x363c, 0x36f7, 0x37b3, 0x3871, 0x3930,
> >> + 0x39f1, 0x3ab3, 0x3b77, 0x3c3c, 0x3d02, 0x3dcb, 0x3e94, 0x3f5f,
> >> + 0x402c, 0x40fa, 0x41ca, 0x429b, 0x436d, 0x4442, 0x4517, 0x45ee,
> >> + 0x46c7, 0x47a1, 0x487d, 0x495a, 0x4a39, 0x4b19, 0x4bfb, 0x4cde,
> >> + 0x4dc3, 0x4eaa, 0x4f92, 0x507c, 0x5167, 0x5253, 0x5342, 0x5431,
> >> + 0x5523, 0x5616, 0x570a, 0x5800, 0x58f8, 0x59f1, 0x5aec, 0x5be9,
> >> + 0x5ce7, 0x5de6, 0x5ee7, 0x5fea, 0x60ef, 0x61f5, 0x62fc, 0x6406,
> >> + 0x6510, 0x661d, 0x672b, 0x683b, 0x694c, 0x6a5f, 0x6b73, 0x6c8a,
> >> + 0x6da2, 0x6ebb, 0x6fd6, 0x70f3, 0x7211, 0x7331, 0x7453, 0x7576,
> >> + 0x769b, 0x77c2, 0x78ea, 0x7a14, 0x7b40, 0x7c6d, 0x7d9c, 0x7ecd,
> >> + 0x3f65, 0x3f8c, 0x3fb2, 0x3fd8
> >> +};
> >> +
> >> +/*
> >> + * Degamma table for 2020 color space data.
> >> + */
> >> +static u16 DEGAMMA_2020[DEGAMMA_SIZE] = {
> >> + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
> >> + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
> >> + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
> >> + 0x0000, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001, 0x0001,
> >> + 0x0001, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0003, 0x0003,
> >> + 0x0003, 0x0003, 0x0004, 0x0004, 0x0004, 0x0005, 0x0005, 0x0006,
> >> + 0x0006, 0x0006, 0x0007, 0x0007, 0x0008, 0x0008, 0x0009, 0x000a,
> >> + 0x000a, 0x000b, 0x000c, 0x000c, 0x000d, 0x000e, 0x000f, 0x000f,
> >> + 0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0016, 0x0017, 0x0018,
> >> + 0x0019, 0x001b, 0x001c, 0x001e, 0x001f, 0x0021, 0x0022, 0x0024,
> >> + 0x0026, 0x0028, 0x002a, 0x002c, 0x002e, 0x0030, 0x0033, 0x0035,
> >> + 0x0038, 0x003a, 0x003d, 0x0040, 0x0043, 0x0046, 0x0049, 0x004d,
> >> + 0x0050, 0x0054, 0x0057, 0x005b, 0x005f, 0x0064, 0x0068, 0x006d,
> >> + 0x0071, 0x0076, 0x007c, 0x0081, 0x0086, 0x008c, 0x0092, 0x0098,
> >> + 0x009f, 0x00a5, 0x00ac, 0x00b4, 0x00bb, 0x00c3, 0x00cb, 0x00d3,
> >> + 0x00dc, 0x00e5, 0x00ee, 0x00f8, 0x0102, 0x010c, 0x0117, 0x0123,
> >> + 0x012e, 0x013a, 0x0147, 0x0154, 0x0161, 0x016f, 0x017e, 0x018d,
> >> + 0x019c, 0x01ac, 0x01bd, 0x01ce, 0x01e0, 0x01f3, 0x0206, 0x021a,
> >> + 0x022f, 0x0244, 0x025a, 0x0272, 0x0289, 0x02a2, 0x02bc, 0x02d6,
> >> + 0x02f2, 0x030f, 0x032c, 0x034b, 0x036b, 0x038b, 0x03ae, 0x03d1,
> >> + 0x03f5, 0x041b, 0x0443, 0x046b, 0x0495, 0x04c1, 0x04ee, 0x051d,
> >> + 0x054e, 0x0580, 0x05b4, 0x05ea, 0x0622, 0x065c, 0x0698, 0x06d6,
> >> + 0x0717, 0x075a, 0x079f, 0x07e7, 0x0831, 0x087e, 0x08cd, 0x0920,
> >> + 0x0976, 0x09ce, 0x0a2a, 0x0a89, 0x0aec, 0x0b52, 0x0bbc, 0x0c2a,
> >> + 0x0c9b, 0x0d11, 0x0d8b, 0x0e0a, 0x0e8d, 0x0f15, 0x0fa1, 0x1033,
> >> + 0x10ca, 0x1167, 0x120a, 0x12b2, 0x1360, 0x1415, 0x14d1, 0x1593,
> >> + 0x165d, 0x172e, 0x1806, 0x18e7, 0x19d0, 0x1ac1, 0x1bbb, 0x1cbf,
> >> + 0x1dcc, 0x1ee3, 0x2005, 0x2131, 0x2268, 0x23ab, 0x24fa, 0x2656,
> >> + 0x27be, 0x2934, 0x2ab8, 0x2c4a, 0x2dec, 0x2f9d, 0x315f, 0x3332,
> >> + 0x3516, 0x370d, 0x3916, 0x3b34, 0x3d66, 0x3fad, 0x420b, 0x4480,
> >> + 0x470d, 0x49b3, 0x4c73, 0x4f4e, 0x5246, 0x555a, 0x588e, 0x5be1,
> >> + 0x5f55, 0x62eb, 0x66a6, 0x6a86, 0x6e8c, 0x72bb, 0x7714, 0x7b99,
> >> + 0x3dcb, 0x3e60, 0x3ef5, 0x3f8c
> >> +};
> >> +
> >> +/* one is for primary plane and the other is for all overlay planes */
> >> +static const struct dc_hw_plane_reg dc_plane_reg[] = {
> >> + {
> >> + .y_address = DC_FRAMEBUFFER_ADDRESS,
> >> + .u_address = DC_FRAMEBUFFER_U_ADDRESS,
> >> + .v_address = DC_FRAMEBUFFER_V_ADDRESS,
> >> + .y_stride = DC_FRAMEBUFFER_STRIDE,
> >> + .u_stride = DC_FRAMEBUFFER_U_STRIDE,
> >> + .v_stride = DC_FRAMEBUFFER_V_STRIDE,
> >> + .size = DC_FRAMEBUFFER_SIZE,
> >> + .top_left = DC_FRAMEBUFFER_TOP_LEFT,
> >> + .bottom_right = DC_FRAMEBUFFER_BOTTOM_RIGHT,
> >> + .scale_factor_x = DC_FRAMEBUFFER_SCALE_FACTOR_X,
> >> + .scale_factor_y = DC_FRAMEBUFFER_SCALE_FACTOR_Y,
> >> + .h_filter_coef_index = DC_FRAMEBUFFER_H_FILTER_COEF_INDEX,
> >> + .h_filter_coef_data = DC_FRAMEBUFFER_H_FILTER_COEF_DATA,
> >> + .v_filter_coef_index = DC_FRAMEBUFFER_V_FILTER_COEF_INDEX,
> >> + .v_filter_coef_data = DC_FRAMEBUFFER_V_FILTER_COEF_DATA,
> >> + .init_offset = DC_FRAMEBUFFER_INIT_OFFSET,
> >> + .color_key = DC_FRAMEBUFFER_COLOR_KEY,
> >> + .color_key_high = DC_FRAMEBUFFER_COLOR_KEY_HIGH,
> >> + .clear_value = DC_FRAMEBUFFER_CLEAR_VALUE,
> >> + .color_table_index = DC_FRAMEBUFFER_COLOR_TABLE_INDEX,
> >> + .color_table_data = DC_FRAMEBUFFER_COLOR_TABLE_DATA,
> >> + .scale_config = DC_FRAMEBUFFER_SCALE_CONFIG,
> >> + .water_mark = DC_FRAMEBUFFER_WATER_MARK,
> >> + .degamma_index = DC_FRAMEBUFFER_DEGAMMA_INDEX,
> >> + .degamma_data = DC_FRAMEBUFFER_DEGAMMA_DATA,
> >> + .degamma_ex_data = DC_FRAMEBUFFER_DEGAMMA_EX_DATA,
> >> + .src_global_color = DC_FRAMEBUFFER_SRC_GLOBAL_COLOR,
> >> + .dst_global_color = DC_FRAMEBUFFER_DST_GLOBAL_COLOR,
> >> + .blend_config = DC_FRAMEBUFFER_BLEND_CONFIG,
> >> + .roi_origin = DC_FRAMEBUFFER_ROI_ORIGIN,
> >> + .roi_size = DC_FRAMEBUFFER_ROI_SIZE,
> >> + .yuv_to_rgb_coef0 = DC_FRAMEBUFFER_YUVTORGB_COEF0,
> >> + .yuv_to_rgb_coef1 = DC_FRAMEBUFFER_YUVTORGB_COEF1,
> >> + .yuv_to_rgb_coef2 = DC_FRAMEBUFFER_YUVTORGB_COEF2,
> >> + .yuv_to_rgb_coef3 = DC_FRAMEBUFFER_YUVTORGB_COEF3,
> >> + .yuv_to_rgb_coef4 = DC_FRAMEBUFFER_YUVTORGB_COEF4,
> >> + .yuv_to_rgb_coefd0 = DC_FRAMEBUFFER_YUVTORGB_COEFD0,
> >> + .yuv_to_rgb_coefd1 = DC_FRAMEBUFFER_YUVTORGB_COEFD1,
> >> + .yuv_to_rgb_coefd2 = DC_FRAMEBUFFER_YUVTORGB_COEFD2,
> >> + .y_clamp_bound = DC_FRAMEBUFFER_Y_CLAMP_BOUND,
> >> + .uv_clamp_bound = DC_FRAMEBUFFER_UV_CLAMP_BOUND,
> >> + .rgb_to_rgb_coef0 = DC_FRAMEBUFFER_RGBTORGB_COEF0,
> >> + .rgb_to_rgb_coef1 = DC_FRAMEBUFFER_RGBTORGB_COEF1,
> >> + .rgb_to_rgb_coef2 = DC_FRAMEBUFFER_RGBTORGB_COEF2,
> >> + .rgb_to_rgb_coef3 = DC_FRAMEBUFFER_RGBTORGB_COEF3,
> >> + .rgb_to_rgb_coef4 = DC_FRAMEBUFFER_RGBTORGB_COEF4,
> >> + },
> >> + {
> >> + .y_address = DC_OVERLAY_ADDRESS,
> >> + .u_address = DC_OVERLAY_U_ADDRESS,
> >> + .v_address = DC_OVERLAY_V_ADDRESS,
> >> + .y_stride = DC_OVERLAY_STRIDE,
> >> + .u_stride = DC_OVERLAY_U_STRIDE,
> >> + .v_stride = DC_OVERLAY_V_STRIDE,
> >> + .size = DC_OVERLAY_SIZE,
> >> + .top_left = DC_OVERLAY_TOP_LEFT,
> >> + .bottom_right = DC_OVERLAY_BOTTOM_RIGHT,
> >> + .scale_factor_x = DC_OVERLAY_SCALE_FACTOR_X,
> >> + .scale_factor_y = DC_OVERLAY_SCALE_FACTOR_Y,
> >> + .h_filter_coef_index = DC_OVERLAY_H_FILTER_COEF_INDEX,
> >> + .h_filter_coef_data = DC_OVERLAY_H_FILTER_COEF_DATA,
> >> + .v_filter_coef_index = DC_OVERLAY_V_FILTER_COEF_INDEX,
> >> + .v_filter_coef_data = DC_OVERLAY_V_FILTER_COEF_DATA,
> >> + .init_offset = DC_OVERLAY_INIT_OFFSET,
> >> + .color_key = DC_OVERLAY_COLOR_KEY,
> >> + .color_key_high = DC_OVERLAY_COLOR_KEY_HIGH,
> >> + .clear_value = DC_OVERLAY_CLEAR_VALUE,
> >> + .color_table_index = DC_OVERLAY_COLOR_TABLE_INDEX,
> >> + .color_table_data = DC_OVERLAY_COLOR_TABLE_DATA,
> >> + .scale_config = DC_OVERLAY_SCALE_CONFIG,
> >> + .water_mark = DC_OVERLAY_WATER_MARK,
> >> + .degamma_index = DC_OVERLAY_DEGAMMA_INDEX,
> >> + .degamma_data = DC_OVERLAY_DEGAMMA_DATA,
> >> + .degamma_ex_data = DC_OVERLAY_DEGAMMA_EX_DATA,
> >> + .src_global_color = DC_OVERLAY_SRC_GLOBAL_COLOR,
> >> + .dst_global_color = DC_OVERLAY_DST_GLOBAL_COLOR,
> >> + .blend_config = DC_OVERLAY_BLEND_CONFIG,
> >> + .roi_origin = DC_OVERLAY_ROI_ORIGIN,
> >> + .roi_size = DC_OVERLAY_ROI_SIZE,
> >> + .yuv_to_rgb_coef0 = DC_OVERLAY_YUVTORGB_COEF0,
> >> + .yuv_to_rgb_coef1 = DC_OVERLAY_YUVTORGB_COEF1,
> >> + .yuv_to_rgb_coef2 = DC_OVERLAY_YUVTORGB_COEF2,
> >> + .yuv_to_rgb_coef3 = DC_OVERLAY_YUVTORGB_COEF3,
> >> + .yuv_to_rgb_coef4 = DC_OVERLAY_YUVTORGB_COEF4,
> >> + .yuv_to_rgb_coefd0 = DC_OVERLAY_YUVTORGB_COEFD0,
> >> + .yuv_to_rgb_coefd1 = DC_OVERLAY_YUVTORGB_COEFD1,
> >> + .yuv_to_rgb_coefd2 = DC_OVERLAY_YUVTORGB_COEFD2,
> >> + .y_clamp_bound = DC_OVERLAY_Y_CLAMP_BOUND,
> >> + .uv_clamp_bound = DC_OVERLAY_UV_CLAMP_BOUND,
> >> + .rgb_to_rgb_coef0 = DC_OVERLAY_RGBTORGB_COEF0,
> >> + .rgb_to_rgb_coef1 = DC_OVERLAY_RGBTORGB_COEF1,
> >> + .rgb_to_rgb_coef2 = DC_OVERLAY_RGBTORGB_COEF2,
> >> + .rgb_to_rgb_coef3 = DC_OVERLAY_RGBTORGB_COEF3,
> >> + .rgb_to_rgb_coef4 = DC_OVERLAY_RGBTORGB_COEF4,
> >> + },
> >> +};
> >> +
> >> +static const u32 primary_overlay_format0[] = {
> >> + DRM_FORMAT_XRGB4444,
> >> + DRM_FORMAT_XBGR4444,
> >> + DRM_FORMAT_RGBX4444,
> >> + DRM_FORMAT_BGRX4444,
> >> + DRM_FORMAT_ARGB4444,
> >> + DRM_FORMAT_ABGR4444,
> >> + DRM_FORMAT_RGBA4444,
> >> + DRM_FORMAT_BGRA4444,
> >> + DRM_FORMAT_XRGB1555,
> >> + DRM_FORMAT_XBGR1555,
> >> + DRM_FORMAT_RGBX5551,
> >> + DRM_FORMAT_BGRX5551,
> >> + DRM_FORMAT_ARGB1555,
> >> + DRM_FORMAT_ABGR1555,
> >> + DRM_FORMAT_RGBA5551,
> >> + DRM_FORMAT_BGRA5551,
> >> + DRM_FORMAT_RGB565,
> >> + DRM_FORMAT_BGR565,
> >> + DRM_FORMAT_XRGB8888,
> >> + DRM_FORMAT_XBGR8888,
> >> + DRM_FORMAT_RGBX8888,
> >> + DRM_FORMAT_BGRX8888,
> >> + DRM_FORMAT_ARGB8888,
> >> + DRM_FORMAT_ABGR8888,
> >> + DRM_FORMAT_RGBA8888,
> >> + DRM_FORMAT_BGRA8888,
> >> + DRM_FORMAT_ARGB2101010,
> >> + DRM_FORMAT_ABGR2101010,
> >> + DRM_FORMAT_RGBA1010102,
> >> + DRM_FORMAT_BGRA1010102,
> >> + DRM_FORMAT_YUYV,
> >> + DRM_FORMAT_YVYU,
> >> + DRM_FORMAT_UYVY,
> >> + DRM_FORMAT_VYUY,
> >> + DRM_FORMAT_YVU420,
> >> + DRM_FORMAT_YUV420,
> >> + DRM_FORMAT_NV12,
> >> + DRM_FORMAT_NV21,
> >> + DRM_FORMAT_NV16,
> >> + DRM_FORMAT_NV61,
> >> + DRM_FORMAT_P010,
> >> +};
> >> +
> >> +static const u32 primary_overlay_format1[] = {
> >> + DRM_FORMAT_XRGB8888,
> >> + DRM_FORMAT_XBGR8888,
> >> + DRM_FORMAT_RGBX8888,
> >> + DRM_FORMAT_BGRX8888,
> >> + DRM_FORMAT_ARGB8888,
> >> + DRM_FORMAT_ABGR8888,
> >> + DRM_FORMAT_RGBA8888,
> >> + DRM_FORMAT_BGRA8888,
> >> + DRM_FORMAT_ARGB2101010,
> >> + DRM_FORMAT_ABGR2101010,
> >> + DRM_FORMAT_RGBA1010102,
> >> + DRM_FORMAT_BGRA1010102,
> >> + DRM_FORMAT_NV12,
> >> + DRM_FORMAT_NV21,
> >> + DRM_FORMAT_YUV444,
> >> +};
> >> +
> >> +static const u32 cursor_formats[] = {
> >> + DRM_FORMAT_ARGB8888
> >> +};
> >> +
> >> +static const u64 format_modifier0[] = {
> >> + DRM_FORMAT_MOD_LINEAR,
> >> + fourcc_mod_vs_norm_code(DRM_FORMAT_MOD_VERISILICON_SUPER_TILED_XMAJOR_8X8),
> >> + fourcc_mod_vs_norm_code(DRM_FORMAT_MOD_VERISILICON_SUPER_TILED_YMAJOR_8X8),
> >> + fourcc_mod_vs_norm_code(DRM_FORMAT_MOD_VERISILICON_TILE_8X8),
> >> + fourcc_mod_vs_norm_code(DRM_FORMAT_MOD_VERISILICON_TILE_8X4),
> >> + fourcc_mod_vs_norm_code(DRM_FORMAT_MOD_VERISILICON_SUPER_TILED_XMAJOR_8X4),
> >> + fourcc_mod_vs_norm_code(DRM_FORMAT_MOD_VERISILICON_SUPER_TILED_YMAJOR_4X8),
> >> + DRM_FORMAT_MOD_INVALID
> >> +};
> >> +
> >> +static const u64 secondary_format_modifiers[] = {
> >> + DRM_FORMAT_MOD_LINEAR,
> >> + DRM_FORMAT_MOD_INVALID
> >> +};
> >> +
> >> +#define FRAC_16_16(mult, div) (((mult) << 16) / (div))
> >> +
> >> +static const struct vs_plane_info dc_hw_planes[][PLANE_NUM] = {
> >> + {
> >> + /* DC_REV_0 */
> >> + {
> >> + .name = "Primary",
> >
> > I'd say that the indentation is strange here.
> > It might be more scalable to split a single array into per-generation
> > data structures and reference them directly from the info struct.
> >
> >> + .id = PRIMARY_PLANE_0,
> >> + .type = DRM_PLANE_TYPE_PRIMARY,
> >> + .num_formats = ARRAY_SIZE(primary_overlay_format0),
> >> + .formats = primary_overlay_format0,
> >> + .num_modifiers = ARRAY_SIZE(format_modifier0),
> >> + .modifiers = format_modifier0,
> >> + .min_width = 0,
> >> + .min_height = 0,
> >> + .max_width = 4096,
> >> + .max_height = 4096,
> >> + .rotation = DRM_MODE_ROTATE_0 |
> >> + DRM_MODE_ROTATE_90 |
> >> + DRM_MODE_ROTATE_180 |
> >> + DRM_MODE_ROTATE_270 |
> >> + DRM_MODE_REFLECT_X |
> >> + DRM_MODE_REFLECT_Y,
> >> + .blend_mode = BIT(DRM_MODE_BLEND_PIXEL_NONE) |
> >> + BIT(DRM_MODE_BLEND_PREMULTI) |
> >> + BIT(DRM_MODE_BLEND_COVERAGE),
> >> + .color_encoding = BIT(DRM_COLOR_YCBCR_BT709) |
> >> + BIT(DRM_COLOR_YCBCR_BT2020),
> >> + .degamma_size = DEGAMMA_SIZE,
> >> + .min_scale = FRAC_16_16(1, 3),
> >> + .max_scale = FRAC_16_16(10, 1),
> >> + .zpos = 0,
> >> + .watermark = true,
> >> + .color_mgmt = true,
> >> + .roi = true,
> >> + },
> >> + {
> >> + .name = "Overlay",
> >> + .id = OVERLAY_PLANE_0,
> >> + .type = DRM_PLANE_TYPE_OVERLAY,
> >> + .num_formats = ARRAY_SIZE(primary_overlay_format0),
> >> + .formats = primary_overlay_format0,
> >> + .num_modifiers = ARRAY_SIZE(format_modifier0),
> >> + .modifiers = format_modifier0,
> >> + .min_width = 0,
> >> + .min_height = 0,
> >> + .max_width = 4096,
> >> + .max_height = 4096,
> >> + .rotation = DRM_MODE_ROTATE_0 |
> >> + DRM_MODE_ROTATE_90 |
> >> + DRM_MODE_ROTATE_180 |
> >> + DRM_MODE_ROTATE_270 |
> >> + DRM_MODE_REFLECT_X |
> >> + DRM_MODE_REFLECT_Y,
> >> + .blend_mode = BIT(DRM_MODE_BLEND_PIXEL_NONE) |
> >> + BIT(DRM_MODE_BLEND_PREMULTI) |
> >> + BIT(DRM_MODE_BLEND_COVERAGE),
> >> + .color_encoding = BIT(DRM_COLOR_YCBCR_BT709) |
> >> + BIT(DRM_COLOR_YCBCR_BT2020),
> >> + .degamma_size = DEGAMMA_SIZE,
> >> + .min_scale = FRAC_16_16(1, 3),
> >> + .max_scale = FRAC_16_16(10, 1),
> >> + .zpos = 1,
> >> + .watermark = true,
> >> + .color_mgmt = true,
> >> + .roi = true,
> >> + },
> >> + {
> >> + .name = "Overlay_1",
> >> + .id = OVERLAY_PLANE_1,
> >> + .type = DRM_PLANE_TYPE_OVERLAY,
> >> + .num_formats = ARRAY_SIZE(primary_overlay_format0),
> >> + .formats = primary_overlay_format0,
> >> + .num_modifiers = ARRAY_SIZE(secondary_format_modifiers),
> >> + .modifiers = secondary_format_modifiers,
> >> + .min_width = 0,
> >> + .min_height = 0,
> >> + .max_width = 4096,
> >> + .max_height = 4096,
> >> + .rotation = 0,
> >> + .blend_mode = BIT(DRM_MODE_BLEND_PIXEL_NONE) |
> >> + BIT(DRM_MODE_BLEND_PREMULTI) |
> >> + BIT(DRM_MODE_BLEND_COVERAGE),
> >> + .color_encoding = BIT(DRM_COLOR_YCBCR_BT709) |
> >> + BIT(DRM_COLOR_YCBCR_BT2020),
> >> + .degamma_size = DEGAMMA_SIZE,
> >> + .min_scale = DRM_PLANE_NO_SCALING,
> >> + .max_scale = DRM_PLANE_NO_SCALING,
> >> + .zpos = 2,
> >> + .watermark = true,
> >> + .color_mgmt = true,
> >> + .roi = true,
> >> + },
> >> + {
> >> + .name = "Primary_1",
> >> + .id = PRIMARY_PLANE_1,
> >> + .type = DRM_PLANE_TYPE_PRIMARY,
> >> + .num_formats = ARRAY_SIZE(primary_overlay_format0),
> >> + .formats = primary_overlay_format0,
> >> + .num_modifiers = ARRAY_SIZE(format_modifier0),
> >> + .modifiers = format_modifier0,
> >> + .min_width = 0,
> >> + .min_height = 0,
> >> + .max_width = 4096,
> >> + .max_height = 4096,
> >> + .rotation = DRM_MODE_ROTATE_0 |
> >> + DRM_MODE_ROTATE_90 |
> >> + DRM_MODE_ROTATE_180 |
> >> + DRM_MODE_ROTATE_270 |
> >> + DRM_MODE_REFLECT_X |
> >> + DRM_MODE_REFLECT_Y,
> >> + .blend_mode = BIT(DRM_MODE_BLEND_PIXEL_NONE) |
> >> + BIT(DRM_MODE_BLEND_PREMULTI) |
> >> + BIT(DRM_MODE_BLEND_COVERAGE),
> >> + .color_encoding = BIT(DRM_COLOR_YCBCR_BT709) |
> >> + BIT(DRM_COLOR_YCBCR_BT2020),
> >> + .degamma_size = DEGAMMA_SIZE,
> >> + .min_scale = FRAC_16_16(1, 3),
> >> + .max_scale = FRAC_16_16(10, 1),
> >> + .zpos = 3,
> >> + .watermark = true,
> >> + .color_mgmt = true,
> >> + .roi = true,
> >> + },
> >> + {
> >> + .name = "Overlay_2",
> >> + .id = OVERLAY_PLANE_2,
> >> + .type = DRM_PLANE_TYPE_OVERLAY,
> >> + .num_formats = ARRAY_SIZE(primary_overlay_format0),
> >> + .formats = primary_overlay_format0,
> >> + .num_modifiers = ARRAY_SIZE(format_modifier0),
> >> + .modifiers = format_modifier0,
> >> + .min_width = 0,
> >> + .min_height = 0,
> >> + .max_width = 4096,
> >> + .max_height = 4096,
> >> + .rotation = DRM_MODE_ROTATE_0 |
> >> + DRM_MODE_ROTATE_90 |
> >> + DRM_MODE_ROTATE_180 |
> >> + DRM_MODE_ROTATE_270 |
> >> + DRM_MODE_REFLECT_X |
> >> + DRM_MODE_REFLECT_Y,
> >> + .blend_mode = BIT(DRM_MODE_BLEND_PIXEL_NONE) |
> >> + BIT(DRM_MODE_BLEND_PREMULTI) |
> >> + BIT(DRM_MODE_BLEND_COVERAGE),
> >> + .color_encoding = BIT(DRM_COLOR_YCBCR_BT709) |
> >> + BIT(DRM_COLOR_YCBCR_BT2020),
> >> + .degamma_size = DEGAMMA_SIZE,
> >> + .min_scale = FRAC_16_16(1, 3),
> >> + .max_scale = FRAC_16_16(10, 1),
> >> + .zpos = 4,
> >> + .watermark = true,
> >> + .color_mgmt = true,
> >> + .roi = true,
> >> + },
> >> + {
> >> + .name = "Overlay_3",
> >> + .id = OVERLAY_PLANE_3,
> >> + .type = DRM_PLANE_TYPE_OVERLAY,
> >> + .num_formats = ARRAY_SIZE(primary_overlay_format0),
> >> + .formats = primary_overlay_format0,
> >> + .num_modifiers = ARRAY_SIZE(secondary_format_modifiers),
> >> + .modifiers = secondary_format_modifiers,
> >> + .min_width = 0,
> >> + .min_height = 0,
> >> + .max_width = 4096,
> >> + .max_height = 4096,
> >> + .rotation = 0,
> >> + .blend_mode = BIT(DRM_MODE_BLEND_PIXEL_NONE) |
> >> + BIT(DRM_MODE_BLEND_PREMULTI) |
> >> + BIT(DRM_MODE_BLEND_COVERAGE),
> >> + .color_encoding = BIT(DRM_COLOR_YCBCR_BT709) |
> >> + BIT(DRM_COLOR_YCBCR_BT2020),
> >> + .degamma_size = DEGAMMA_SIZE,
> >> + .min_scale = DRM_PLANE_NO_SCALING,
> >> + .max_scale = DRM_PLANE_NO_SCALING,
> >> + .zpos = 5,
> >> + .watermark = true,
> >> + .color_mgmt = true,
> >> + .roi = true,
> >> + },
> >> + {
> >> + .name = "Cursor",
> >> + .id = CURSOR_PLANE_0,
> >> + .type = DRM_PLANE_TYPE_CURSOR,
> >> + .num_formats = ARRAY_SIZE(cursor_formats),
> >> + .formats = cursor_formats,
> >> + .num_modifiers = 0,
> >> + .modifiers = NULL,
> >> + .min_width = 32,
> >> + .min_height = 32,
> >> + .max_width = 64,
> >> + .max_height = 64,
> >> + .rotation = 0,
> >> + .degamma_size = 0,
> >> + .min_scale = DRM_PLANE_NO_SCALING,
> >> + .max_scale = DRM_PLANE_NO_SCALING,
> >> + .zpos = 255,
> >> + .watermark = false,
> >> + .color_mgmt = false,
> >> + .roi = false,
> >> + },
> >> + {
> >> + .name = "Cursor_1",
> >> + .id = CURSOR_PLANE_1,
> >> + .type = DRM_PLANE_TYPE_CURSOR,
> >> + .num_formats = ARRAY_SIZE(cursor_formats),
> >> + .formats = cursor_formats,
> >> + .num_modifiers = 0,
> >> + .modifiers = NULL,
> >> + .min_width = 32,
> >> + .min_height = 32,
> >> + .max_width = 64,
> >> + .max_height = 64,
> >> + .rotation = 0,
> >> + .degamma_size = 0,
> >> + .min_scale = DRM_PLANE_NO_SCALING,
> >> + .max_scale = DRM_PLANE_NO_SCALING,
> >> + .zpos = 255,
> >> + .watermark = false,
> >> + .color_mgmt = false,
> >> + .roi = false,
> >> + },
> >> + },
> >> + {
> >> + /* DC_REV_1 */
> >> + {
> >> + .name = "Primary",
> >> + .id = PRIMARY_PLANE_0,
> >> + .type = DRM_PLANE_TYPE_PRIMARY,
> >> + .num_formats = ARRAY_SIZE(primary_overlay_format0),
> >> + .formats = primary_overlay_format0,
> >> + .num_modifiers = ARRAY_SIZE(format_modifier0),
> >> + .modifiers = format_modifier0,
> >> + .min_width = 0,
> >> + .min_height = 0,
> >> + .max_width = 4096,
> >> + .max_height = 4096,
> >> + .rotation = DRM_MODE_ROTATE_0 |
> >> + DRM_MODE_ROTATE_90 |
> >> + DRM_MODE_ROTATE_180 |
> >> + DRM_MODE_ROTATE_270 |
> >> + DRM_MODE_REFLECT_X |
> >> + DRM_MODE_REFLECT_Y,
> >> + .blend_mode = BIT(DRM_MODE_BLEND_PIXEL_NONE) |
> >> + BIT(DRM_MODE_BLEND_PREMULTI) |
> >> + BIT(DRM_MODE_BLEND_COVERAGE),
> >> + .color_encoding = BIT(DRM_COLOR_YCBCR_BT709) |
> >> + BIT(DRM_COLOR_YCBCR_BT2020),
> >> + .degamma_size = DEGAMMA_SIZE,
> >> + .min_scale = FRAC_16_16(1, 3),
> >> + .max_scale = FRAC_16_16(10, 1),
> >> + .zpos = 0,
> >> + .watermark = true,
> >> + .color_mgmt = true,
> >> + .roi = true,
> >> + },
> >> + {
> >> + .name = "Overlay",
> >> + .id = OVERLAY_PLANE_0,
> >> + .type = DRM_PLANE_TYPE_OVERLAY,
> >> + .num_formats = ARRAY_SIZE(primary_overlay_format0),
> >> + .formats = primary_overlay_format0,
> >> + .num_modifiers = ARRAY_SIZE(format_modifier0),
> >> + .modifiers = format_modifier0,
> >> + .min_width = 0,
> >> + .min_height = 0,
> >> + .max_width = 4096,
> >> + .max_height = 4096,
> >> + .rotation = DRM_MODE_ROTATE_0 |
> >> + DRM_MODE_ROTATE_90 |
> >> + DRM_MODE_ROTATE_180 |
> >> + DRM_MODE_ROTATE_270 |
> >> + DRM_MODE_REFLECT_X |
> >> + DRM_MODE_REFLECT_Y,
> >> + .blend_mode = BIT(DRM_MODE_BLEND_PIXEL_NONE) |
> >> + BIT(DRM_MODE_BLEND_PREMULTI) |
> >> + BIT(DRM_MODE_BLEND_COVERAGE),
> >> + .color_encoding = BIT(DRM_COLOR_YCBCR_BT709) |
> >> + BIT(DRM_COLOR_YCBCR_BT2020),
> >> + .degamma_size = DEGAMMA_SIZE,
> >> + .min_scale = FRAC_16_16(1, 3),
> >> + .max_scale = FRAC_16_16(10, 1),
> >> + .zpos = 1,
> >> + .watermark = true,
> >> + .color_mgmt = true,
> >> + .roi = true,
> >> + },
> >> + {
> >> + .name = "Primary_1",
> >> + .id = PRIMARY_PLANE_1,
> >> + .type = DRM_PLANE_TYPE_PRIMARY,
> >> + .num_formats = ARRAY_SIZE(primary_overlay_format0),
> >> + .formats = primary_overlay_format0,
> >> + .num_modifiers = ARRAY_SIZE(format_modifier0),
> >> + .modifiers = format_modifier0,
> >> + .min_width = 0,
> >> + .min_height = 0,
> >> + .max_width = 4096,
> >> + .max_height = 4096,
> >> + .rotation = DRM_MODE_ROTATE_0 |
> >> + DRM_MODE_ROTATE_90 |
> >> + DRM_MODE_ROTATE_180 |
> >> + DRM_MODE_ROTATE_270 |
> >> + DRM_MODE_REFLECT_X |
> >> + DRM_MODE_REFLECT_Y,
> >> + .blend_mode = BIT(DRM_MODE_BLEND_PIXEL_NONE) |
> >> + BIT(DRM_MODE_BLEND_PREMULTI) |
> >> + BIT(DRM_MODE_BLEND_COVERAGE),
> >> + .color_encoding = BIT(DRM_COLOR_YCBCR_BT709) |
> >> + BIT(DRM_COLOR_YCBCR_BT2020),
> >> + .degamma_size = DEGAMMA_SIZE,
> >> + .min_scale = FRAC_16_16(1, 3),
> >> + .max_scale = FRAC_16_16(10, 1),
> >> + .zpos = 2,
> >> + .watermark = true,
> >> + .color_mgmt = true,
> >> + .roi = true,
> >> + },
> >> + {
> >> + .name = "Overlay_2",
> >> + .id = OVERLAY_PLANE_2,
> >> + .type = DRM_PLANE_TYPE_OVERLAY,
> >> + .num_formats = ARRAY_SIZE(primary_overlay_format0),
> >> + .formats = primary_overlay_format0,
> >> + .num_modifiers = ARRAY_SIZE(format_modifier0),
> >> + .modifiers = format_modifier0,
> >> + .min_width = 0,
> >> + .min_height = 0,
> >> + .max_width = 4096,
> >> + .max_height = 4096,
> >> + .rotation = DRM_MODE_ROTATE_0 |
> >> + DRM_MODE_ROTATE_90 |
> >> + DRM_MODE_ROTATE_180 |
> >> + DRM_MODE_ROTATE_270 |
> >> + DRM_MODE_REFLECT_X |
> >> + DRM_MODE_REFLECT_Y,
> >> + .blend_mode = BIT(DRM_MODE_BLEND_PIXEL_NONE) |
> >> + BIT(DRM_MODE_BLEND_PREMULTI) |
> >> + BIT(DRM_MODE_BLEND_COVERAGE),
> >> + .color_encoding = BIT(DRM_COLOR_YCBCR_BT709) |
> >> + BIT(DRM_COLOR_YCBCR_BT2020),
> >> + .degamma_size = DEGAMMA_SIZE,
> >> + .min_scale = FRAC_16_16(1, 3),
> >> + .max_scale = FRAC_16_16(10, 1),
> >> + .zpos = 3,
> >> + .watermark = true,
> >> + .color_mgmt = true,
> >> + .roi = true,
> >> + },
> >> + {
> >> + .name = "Cursor",
> >> + .id = CURSOR_PLANE_0,
> >> + .type = DRM_PLANE_TYPE_CURSOR,
> >> + .num_formats = ARRAY_SIZE(cursor_formats),
> >> + .formats = cursor_formats,
> >> + .num_modifiers = 0,
> >> + .modifiers = NULL,
> >> + .min_width = 32,
> >> + .min_height = 32,
> >> + .max_width = 64,
> >> + .max_height = 64,
> >> + .rotation = 0,
> >> + .degamma_size = 0,
> >> + .min_scale = DRM_PLANE_NO_SCALING,
> >> + .max_scale = DRM_PLANE_NO_SCALING,
> >> + .zpos = 255,
> >> + .watermark = false,
> >> + .color_mgmt = false,
> >> + .roi = false,
> >> + },
> >> + {
> >> + .name = "Cursor_1",
> >> + .id = CURSOR_PLANE_1,
> >> + .type = DRM_PLANE_TYPE_CURSOR,
> >> + .num_formats = ARRAY_SIZE(cursor_formats),
> >> + .formats = cursor_formats,
> >> + .num_modifiers = 0,
> >> + .modifiers = NULL,
> >> + .min_width = 32,
> >> + .min_height = 32,
> >> + .max_width = 64,
> >> + .max_height = 64,
> >> + .rotation = 0,
> >> + .degamma_size = 0,
> >> + .min_scale = DRM_PLANE_NO_SCALING,
> >> + .max_scale = DRM_PLANE_NO_SCALING,
> >> + .zpos = 255,
> >> + .watermark = false,
> >> + .color_mgmt = false,
> >> + .roi = false,
> >> + },
> >> + },
> >> + {
> >> + /* DC_REV_2 */
> >> + {
> >> + .name = "Primary",
> >> + .id = PRIMARY_PLANE_0,
> >> + .type = DRM_PLANE_TYPE_PRIMARY,
> >> + .num_formats = ARRAY_SIZE(primary_overlay_format1),
> >> + .formats = primary_overlay_format1,
> >> + .num_modifiers = ARRAY_SIZE(format_modifier0),
> >> + .modifiers = format_modifier0,
> >> + .min_width = 0,
> >> + .min_height = 0,
> >> + .max_width = 4096,
> >> + .max_height = 4096,
> >> + .rotation = DRM_MODE_ROTATE_0 |
> >> + DRM_MODE_ROTATE_90 |
> >> + DRM_MODE_ROTATE_180 |
> >> + DRM_MODE_ROTATE_270 |
> >> + DRM_MODE_REFLECT_X |
> >> + DRM_MODE_REFLECT_Y,
> >> + .blend_mode = BIT(DRM_MODE_BLEND_PIXEL_NONE) |
> >> + BIT(DRM_MODE_BLEND_PREMULTI) |
> >> + BIT(DRM_MODE_BLEND_COVERAGE),
> >> + .color_encoding = BIT(DRM_COLOR_YCBCR_BT709) |
> >> + BIT(DRM_COLOR_YCBCR_BT2020),
> >> + .degamma_size = DEGAMMA_SIZE,
> >> + .min_scale = FRAC_16_16(1, 3),
> >> + .max_scale = FRAC_16_16(10, 1),
> >> + .zpos = 0,
> >> + .watermark = true,
> >> + .color_mgmt = true,
> >> + .roi = true,
> >> + },
> >> + {
> >> + .name = "Overlay",
> >> + .id = OVERLAY_PLANE_0,
> >> + .type = DRM_PLANE_TYPE_OVERLAY,
> >> + .num_formats = ARRAY_SIZE(primary_overlay_format1),
> >> + .formats = primary_overlay_format1,
> >> + .num_modifiers = ARRAY_SIZE(format_modifier0),
> >> + .modifiers = format_modifier0,
> >> + .min_width = 0,
> >> + .min_height = 0,
> >> + .max_width = 4096,
> >> + .max_height = 4096,
> >> + .rotation = DRM_MODE_ROTATE_0 |
> >> + DRM_MODE_ROTATE_90 |
> >> + DRM_MODE_ROTATE_180 |
> >> + DRM_MODE_ROTATE_270 |
> >> + DRM_MODE_REFLECT_X |
> >> + DRM_MODE_REFLECT_Y,
> >> + .blend_mode = BIT(DRM_MODE_BLEND_PIXEL_NONE) |
> >> + BIT(DRM_MODE_BLEND_PREMULTI) |
> >> + BIT(DRM_MODE_BLEND_COVERAGE),
> >> + .color_encoding = BIT(DRM_COLOR_YCBCR_BT709) |
> >> + BIT(DRM_COLOR_YCBCR_BT2020),
> >> + .degamma_size = DEGAMMA_SIZE,
> >> + .min_scale = FRAC_16_16(1, 3),
> >> + .max_scale = FRAC_16_16(10, 1),
> >> + .zpos = 1,
> >> + .watermark = true,
> >> + .color_mgmt = true,
> >> + .roi = true,
> >> + },
> >> + {
> >> + .name = "Overlay_1",
> >> + .id = OVERLAY_PLANE_1,
> >> + .type = DRM_PLANE_TYPE_OVERLAY,
> >> + .num_formats = ARRAY_SIZE(primary_overlay_format1),
> >> + .formats = primary_overlay_format1,
> >> + .num_modifiers = ARRAY_SIZE(secondary_format_modifiers),
> >> + .modifiers = secondary_format_modifiers,
> >> + .min_width = 0,
> >> + .min_height = 0,
> >> + .max_width = 4096,
> >> + .max_height = 4096,
> >> + .rotation = 0,
> >> + .blend_mode = BIT(DRM_MODE_BLEND_PIXEL_NONE) |
> >> + BIT(DRM_MODE_BLEND_PREMULTI) |
> >> + BIT(DRM_MODE_BLEND_COVERAGE),
> >> + .color_encoding = BIT(DRM_COLOR_YCBCR_BT709) |
> >> + BIT(DRM_COLOR_YCBCR_BT2020),
> >> + .degamma_size = DEGAMMA_SIZE,
> >> + .min_scale = DRM_PLANE_NO_SCALING,
> >> + .max_scale = DRM_PLANE_NO_SCALING,
> >> + .zpos = 2,
> >> + .watermark = true,
> >> + .color_mgmt = true,
> >> + .roi = true,
> >> + },
> >> + {
> >> + .name = "Primary_1",
> >> + .id = PRIMARY_PLANE_1,
> >> + .type = DRM_PLANE_TYPE_PRIMARY,
> >> + .num_formats = ARRAY_SIZE(primary_overlay_format1),
> >> + .formats = primary_overlay_format1,
> >> + .num_modifiers = ARRAY_SIZE(format_modifier0),
> >> + .modifiers = format_modifier0,
> >> + .min_width = 0,
> >> + .min_height = 0,
> >> + .max_width = 4096,
> >> + .max_height = 4096,
> >> + .rotation = DRM_MODE_ROTATE_0 |
> >> + DRM_MODE_ROTATE_90 |
> >> + DRM_MODE_ROTATE_180 |
> >> + DRM_MODE_ROTATE_270 |
> >> + DRM_MODE_REFLECT_X |
> >> + DRM_MODE_REFLECT_Y,
> >> + .blend_mode = BIT(DRM_MODE_BLEND_PIXEL_NONE) |
> >> + BIT(DRM_MODE_BLEND_PREMULTI) |
> >> + BIT(DRM_MODE_BLEND_COVERAGE),
> >> + .color_encoding = BIT(DRM_COLOR_YCBCR_BT709) |
> >> + BIT(DRM_COLOR_YCBCR_BT2020),
> >> + .degamma_size = DEGAMMA_SIZE,
> >> + .min_scale = FRAC_16_16(1, 3),
> >> + .max_scale = FRAC_16_16(10, 1),
> >> + .zpos = 3,
> >> + .watermark = true,
> >> + .color_mgmt = true,
> >> + .roi = true,
> >> + },
> >> + {
> >> + .name = "Overlay_2",
> >> + .id = OVERLAY_PLANE_2,
> >> + .type = DRM_PLANE_TYPE_OVERLAY,
> >> + .num_formats = ARRAY_SIZE(primary_overlay_format1),
> >> + .formats = primary_overlay_format1,
> >> + .num_modifiers = ARRAY_SIZE(format_modifier0),
> >> + .modifiers = format_modifier0,
> >> + .min_width = 0,
> >> + .min_height = 0,
> >> + .max_width = 4096,
> >> + .max_height = 4096,
> >> + .rotation = DRM_MODE_ROTATE_0 |
> >> + DRM_MODE_ROTATE_90 |
> >> + DRM_MODE_ROTATE_180 |
> >> + DRM_MODE_ROTATE_270 |
> >> + DRM_MODE_REFLECT_X |
> >> + DRM_MODE_REFLECT_Y,
> >> + .blend_mode = BIT(DRM_MODE_BLEND_PIXEL_NONE) |
> >> + BIT(DRM_MODE_BLEND_PREMULTI) |
> >> + BIT(DRM_MODE_BLEND_COVERAGE),
> >> + .color_encoding = BIT(DRM_COLOR_YCBCR_BT709) |
> >> + BIT(DRM_COLOR_YCBCR_BT2020),
> >> + .degamma_size = DEGAMMA_SIZE,
> >> + .min_scale = FRAC_16_16(1, 3),
> >> + .max_scale = FRAC_16_16(10, 1),
> >> + .zpos = 4,
> >> + .watermark = true,
> >> + .color_mgmt = true,
> >> + .roi = true,
> >> + },
> >> + {
> >> + .name = "Overlay_3",
> >> + .id = OVERLAY_PLANE_3,
> >> + .type = DRM_PLANE_TYPE_OVERLAY,
> >> + .num_formats = ARRAY_SIZE(primary_overlay_format1),
> >> + .formats = primary_overlay_format1,
> >> + .num_modifiers = ARRAY_SIZE(secondary_format_modifiers),
> >> + .modifiers = secondary_format_modifiers,
> >> + .min_width = 0,
> >> + .min_height = 0,
> >> + .max_width = 4096,
> >> + .max_height = 4096,
> >> + .rotation = 0,
> >> + .blend_mode = BIT(DRM_MODE_BLEND_PIXEL_NONE) |
> >> + BIT(DRM_MODE_BLEND_PREMULTI) |
> >> + BIT(DRM_MODE_BLEND_COVERAGE),
> >> + .color_encoding = BIT(DRM_COLOR_YCBCR_BT709) |
> >> + BIT(DRM_COLOR_YCBCR_BT2020),
> >> + .degamma_size = DEGAMMA_SIZE,
> >> + .min_scale = DRM_PLANE_NO_SCALING,
> >> + .max_scale = DRM_PLANE_NO_SCALING,
> >> + .zpos = 5,
> >> + .watermark = true,
> >> + .color_mgmt = true,
> >> + .roi = true,
> >> + },
> >> + {
> >> + .name = "Cursor",
> >> + .id = CURSOR_PLANE_0,
> >> + .type = DRM_PLANE_TYPE_CURSOR,
> >> + .num_formats = ARRAY_SIZE(cursor_formats),
> >> + .formats = cursor_formats,
> >> + .num_modifiers = 0,
> >> + .modifiers = NULL,
> >> + .min_width = 32,
> >> + .min_height = 32,
> >> + .max_width = 64,
> >> + .max_height = 64,
> >> + .rotation = 0,
> >> + .degamma_size = 0,
> >> + .min_scale = DRM_PLANE_NO_SCALING,
> >> + .max_scale = DRM_PLANE_NO_SCALING,
> >> + .zpos = 255,
> >> + .watermark = false,
> >> + .color_mgmt = false,
> >> + .roi = false,
> >> + },
> >> + {
> >> + .name = "Cursor_1",
> >> + .id = CURSOR_PLANE_1,
> >> + .type = DRM_PLANE_TYPE_CURSOR,
> >> + .num_formats = ARRAY_SIZE(cursor_formats),
> >> + .formats = cursor_formats,
> >> + .num_modifiers = 0,
> >> + .modifiers = NULL,
> >> + .min_width = 32,
> >> + .min_height = 32,
> >> + .max_width = 64,
> >> + .max_height = 64,
> >> + .rotation = 0,
> >> + .degamma_size = 0,
> >> + .min_scale = DRM_PLANE_NO_SCALING,
> >> + .max_scale = DRM_PLANE_NO_SCALING,
> >> + .zpos = 255,
> >> + .watermark = false,
> >> + .color_mgmt = false,
> >> + .roi = false,
> >> + },
> >> + },
> >> +};
> >> +
> >> +static const struct vs_dc_info dc_info[] = {
> >
> > Again, please split into per-generation instances.
> >
> >> + {
> >> + /* DC_REV_0 */
> >> + .name = "DC8200",
> >> + .panel_num = 2,
> >> + .plane_num = 8,
> >> + .planes = dc_hw_planes[DC_REV_0],
> >> + .layer_num = 6,
> >> + .max_bpc = 10,
> >> + .color_formats = DRM_COLOR_FORMAT_RGB444 |
> >> + DRM_COLOR_FORMAT_YCBCR444 |
> >> + DRM_COLOR_FORMAT_YCBCR422 |
> >> + DRM_COLOR_FORMAT_YCBCR420,
> >> + .gamma_size = GAMMA_EX_SIZE,
> >> + .gamma_bits = 12,
> >> + .pitch_alignment = 128,
> >> + .pipe_sync = false,
> >> + .background = true,
> >> + .panel_sync = true,
> >> + .cap_dec = true,
> >> + },
> >> + {
> >> + /* DC_REV_1 */
> >> + .name = "DC8200",
> >> + .panel_num = 2,
> >> + .plane_num = 6,
> >> + .planes = dc_hw_planes[DC_REV_1],
> >> + .layer_num = 4,
> >> + .max_bpc = 10,
> >> + .color_formats = DRM_COLOR_FORMAT_RGB444 |
> >> + DRM_COLOR_FORMAT_YCBCR444 |
> >> + DRM_COLOR_FORMAT_YCBCR422 |
> >> + DRM_COLOR_FORMAT_YCBCR420,
> >> + .gamma_size = GAMMA_EX_SIZE,
> >> + .gamma_bits = 12,
> >> + .pitch_alignment = 128,
> >> + .pipe_sync = false,
> >> + .background = true,
> >> + .panel_sync = true,
> >> + .cap_dec = true,
> >> + },
> >> + {
> >> + /* DC_REV_2 */
> >> + .name = "DC8200",
> >> + .panel_num = 2,
> >> + .plane_num = 8,
> >> + .planes = dc_hw_planes[DC_REV_2],
> >> + .layer_num = 6,
> >> + .max_bpc = 10,
> >> + .color_formats = DRM_COLOR_FORMAT_RGB444 |
> >> + DRM_COLOR_FORMAT_YCBCR444 |
> >> + DRM_COLOR_FORMAT_YCBCR422 |
> >> + DRM_COLOR_FORMAT_YCBCR420,
> >> + .gamma_size = GAMMA_EX_SIZE,
> >> + .gamma_bits = 12,
> >> + .pitch_alignment = 128,
> >> + .pipe_sync = false,
> >> + .background = true,
> >> + .panel_sync = true,
> >> + .cap_dec = false,
> >> + },
> >> +};
> >> +
> >> +static const struct dc_hw_funcs hw_func;
> >> +
> >> +static inline u32 hi_read(struct dc_hw *hw, u32 reg)
> >> +{
> >> + return readl(hw->hi_base + reg);
> >> +}
> >> +
> >> +static inline void hi_write(struct dc_hw *hw, u32 reg, u32 value)
> >> +{
> >> + writel(value, hw->hi_base + reg);
> >> +}
> >> +
> >> +static inline void dc_write(struct dc_hw *hw, u32 reg, u32 value)
> >> +{
> >> + writel(value, hw->reg_base + reg - DC_REG_BASE);
> >> +}
> >> +
> >> +static inline u32 dc_read(struct dc_hw *hw, u32 reg)
> >> +{
> >> + u32 value = readl(hw->reg_base + reg - DC_REG_BASE);
> >> +
> >> + return value;
> >> +}
> >> +
> >> +static inline void dc_set_clear(struct dc_hw *hw, u32 reg, u32 set, u32 clear)
> >> +{
> >> + u32 value = dc_read(hw, reg);
> >> +
> >> + value &= ~clear;
> >> + value |= set;
> >> + dc_write(hw, reg, value);
> >> +}
> >> +
> >> +static void load_default_filter(struct dc_hw *hw,
> >> + const struct dc_hw_plane_reg *reg, u32 offset)
> >> +{
> >> + u8 i;
> >> +
> >> + dc_write(hw, reg->scale_config + offset, 0x33);
> >> + dc_write(hw, reg->init_offset + offset, 0x80008000);
> >> + dc_write(hw, reg->h_filter_coef_index + offset, 0x00);
> >> + for (i = 0; i < H_COEF_SIZE; i++)
> >> + dc_write(hw, reg->h_filter_coef_data + offset, horkernel[i]);
> >> +
> >> + dc_write(hw, reg->v_filter_coef_index + offset, 0x00);
> >> + for (i = 0; i < V_COEF_SIZE; i++)
> >> + dc_write(hw, reg->v_filter_coef_data + offset, verkernel[i]);
> >> +}
> >> +
> >> +static void load_rgb_to_rgb(struct dc_hw *hw, const struct dc_hw_plane_reg *reg,
> >> + u32 offset, u16 *table)
> >> +{
> >> + dc_write(hw, reg->rgb_to_rgb_coef0 + offset, table[0] | (table[1] << 16));
> >> + dc_write(hw, reg->rgb_to_rgb_coef1 + offset, table[2] | (table[3] << 16));
> >> + dc_write(hw, reg->rgb_to_rgb_coef2 + offset, table[4] | (table[5] << 16));
> >> + dc_write(hw, reg->rgb_to_rgb_coef3 + offset, table[6] | (table[7] << 16));
> >> + dc_write(hw, reg->rgb_to_rgb_coef4 + offset, table[8]);
> >> +}
> >> +
> >> +static void load_yuv_to_rgb(struct dc_hw *hw, const struct dc_hw_plane_reg *reg,
> >> + u32 offset, s32 *table)
> >> +{
> >> + dc_write(hw, reg->yuv_to_rgb_coef0 + offset,
> >> + (0xFFFF & table[0]) | (table[1] << 16));
> >> + dc_write(hw, reg->yuv_to_rgb_coef1 + offset,
> >> + (0xFFFF & table[2]) | (table[3] << 16));
> >> + dc_write(hw, reg->yuv_to_rgb_coef2 + offset,
> >> + (0xFFFF & table[4]) | (table[5] << 16));
> >> + dc_write(hw, reg->yuv_to_rgb_coef3 + offset,
> >> + (0xFFFF & table[6]) | (table[7] << 16));
> >> + dc_write(hw, reg->yuv_to_rgb_coef4 + offset, table[8]);
> >> + dc_write(hw, reg->yuv_to_rgb_coefd0 + offset, table[9]);
> >> + dc_write(hw, reg->yuv_to_rgb_coefd1 + offset, table[10]);
> >> + dc_write(hw, reg->yuv_to_rgb_coefd2 + offset, table[11]);
> >> + dc_write(hw, reg->y_clamp_bound + offset, table[12] | (table[13] << 16));
> >> + dc_write(hw, reg->uv_clamp_bound + offset, table[14] | (table[15] << 16));
> >> +}
> >> +
> >> +static void load_rgb_to_yuv(struct dc_hw *hw, u32 offset, s16 *table)
> >> +{
> >> + dc_write(hw, DC_DISPLAY_RGBTOYUV_COEF0 + offset,
> >> + table[0] | (table[1] << 16));
> >> + dc_write(hw, DC_DISPLAY_RGBTOYUV_COEF1 + offset,
> >> + table[2] | (table[3] << 16));
> >> + dc_write(hw, DC_DISPLAY_RGBTOYUV_COEF2 + offset,
> >> + table[4] | (table[5] << 16));
> >> + dc_write(hw, DC_DISPLAY_RGBTOYUV_COEF3 + offset,
> >> + table[6] | (table[7] << 16));
> >> + dc_write(hw, DC_DISPLAY_RGBTOYUV_COEF4 + offset, table[8]);
> >> + dc_write(hw, DC_DISPLAY_RGBTOYUV_COEFD0 + offset, table[9]);
> >> + dc_write(hw, DC_DISPLAY_RGBTOYUV_COEFD1 + offset, table[10]);
> >> + dc_write(hw, DC_DISPLAY_RGBTOYUV_COEFD2 + offset, table[11]);
> >> +}
> >> +
> >> +static bool is_rgb(enum dc_hw_color_format format)
> >> +{
> >> + switch (format) {
> >> + case FORMAT_X4R4G4B4:
> >> + case FORMAT_A4R4G4B4:
> >> + case FORMAT_X1R5G5B5:
> >> + case FORMAT_A1R5G5B5:
> >> + case FORMAT_R5G6B5:
> >> + case FORMAT_X8R8G8B8:
> >> + case FORMAT_A8R8G8B8:
> >> + case FORMAT_A2R10G10B10:
> >> + return true;
> >> + default:
> >> + return false;
> >> + }
> >> +}
> >> +
> >> +static void load_degamma_table(struct dc_hw *hw,
> >> + const struct dc_hw_plane_reg *reg,
> >> + u32 offset, u16 *table)
> >> +{
> >> + u16 i;
> >> + u32 value;
> >> +
> >> + dc_write(hw, reg->degamma_index + offset, 0);
> >> +
> >> + for (i = 0; i < DEGAMMA_SIZE; i++) {
> >> + value = table[i] | (table[i] << 16);
> >> + dc_write(hw, reg->degamma_data + offset, value);
> >> + dc_write(hw, reg->degamma_ex_data + offset, table[i]);
> >> + }
> >> +}
> >> +
> >> +static u32 get_addr_offset(u32 id)
> >> +{
> >> + u32 offset = 0;
> >> +
> >> + switch (id) {
> >> + case PRIMARY_PLANE_1:
> >> + case OVERLAY_PLANE_1:
> >> + offset = 0x04;
> >> + break;
> >> + case OVERLAY_PLANE_2:
> >> + offset = 0x08;
> >> + break;
> >> + case OVERLAY_PLANE_3:
> >> + offset = 0x0C;
> >> + break;
> >> + default:
> >> + break;
> >> + }
> >> +
> >> + return offset;
> >> +}
> >> +
> >> +int dc_hw_init(struct dc_hw *hw)
> >> +{
> >> + u8 i, id, panel_num, layer_num;
> >> + u32 offset;
> >> + u32 revision = hi_read(hw, DC_HW_REVISION);
> >> + u32 cid = hi_read(hw, DC_HW_CHIP_CID);
> >> + const struct dc_hw_plane_reg *reg;
> >> +
> >> + switch (revision) {
> >> + case 0x5720:
> >> + hw->rev = DC_REV_0;
> >> + break;
> >> + case 0x5721:
> >> + switch (cid) {
> >> + case 0x30B:
> >> + hw->rev = DC_REV_1;
> >> + break;
> >> + case 0x310:
> >> + hw->rev = DC_REV_2;
> >> + break;
> >> + default:
> >> + hw->rev = DC_REV_0;
> >> + break;
> >> + }
> >> + break;
> >> + default:
> >> + return -ENXIO;
> >> + }
> >
> > We (drm/msm) had code like this for a while (and autodetection of the HW
> > ID). And nowadays we are migrating to of_device_get_match_data and
> > per-SoC compat names. It is just easier to handle, it allows one to
> > specify device more precisely and also it simplifies DT schema.
> >
> >> +
> >> + hw->info = (struct vs_dc_info *)&dc_info[hw->rev];
> >> + hw->func = (struct dc_hw_funcs *)&hw_func;
> >> +
> >> + layer_num = hw->info->layer_num;
> >> + for (i = 0; i < layer_num; i++) {
> >> + id = hw->info->planes[i].id;
> >> + offset = get_addr_offset(id);
> >> + if (id == PRIMARY_PLANE_0 || id == PRIMARY_PLANE_1)
> >> + reg = &dc_plane_reg[0];
> >> + else
> >> + reg = &dc_plane_reg[1];
> >> +
> >> + load_default_filter(hw, reg, offset);
> >> + load_rgb_to_rgb(hw, reg, offset, RGB2RGB);
> >> + }
> >> +
> >> + panel_num = hw->info->panel_num;
> >> + for (i = 0; i < panel_num; i++) {
> >> + offset = i << 2;
> >> +
> >> + load_rgb_to_yuv(hw, offset, RGB2YUV);
> >> + dc_write(hw, DC_DISPLAY_PANEL_CONFIG + offset, 0x111);
> >> +
> >> + offset = i ? DC_CURSOR_OFFSET : 0;
> >> + dc_write(hw, DC_CURSOR_BACKGROUND + offset, 0x00FFFFFF);
> >> + dc_write(hw, DC_CURSOR_FOREGROUND + offset, 0x00AAAAAA);
> >> + }
> >> +
> >> + return 0;
> >> +}
> >> +
> >> +void dc_hw_deinit(struct dc_hw *hw)
> >> +{
> >> + /* Nothing to do */
> >> +}
> >> +
> >> +void dc_hw_update_plane(struct dc_hw *hw, u8 id,
> >> + struct dc_hw_fb *fb, struct dc_hw_scale *scale,
> >> + struct dc_hw_position *pos, struct dc_hw_blend *blend)
> >> +{
> >> + struct dc_hw_plane *plane = &hw->plane[id];
> >> +
> >> + if (plane) {
> >> + if (fb) {
> >> + if (!fb->enable)
> >> + plane->fb.enable = false;
> >> + else
> >> + memcpy(&plane->fb, fb,
> >> + sizeof(*fb) - sizeof(fb->dirty));
> >> + plane->fb.dirty = true;
> >> + }
> >> + if (scale) {
> >> + memcpy(&plane->scale, scale,
> >> + sizeof(*scale) - sizeof(scale->dirty));
> >> + plane->scale.dirty = true;
> >> + }
> >> + if (pos) {
> >> + memcpy(&plane->pos, pos,
> >> + sizeof(*pos) - sizeof(pos->dirty));
> >> + plane->pos.dirty = true;
> >> + }
> >> + if (blend) {
> >> + memcpy(&plane->blend, blend,
> >> + sizeof(*blend) - sizeof(blend->dirty));
> >> + plane->blend.dirty = true;
> >> + }
> >> + }
> >> +}
> >> +
> >> +void dc_hw_update_degamma(struct dc_hw *hw, u8 id, u32 mode)
> >> +{
> >> + struct dc_hw_plane *plane = &hw->plane[id];
> >> +
> >> + if (plane) {
> >> + if (hw->info->planes[id].degamma_size) {
> >> + plane->degamma.mode = mode;
> >> + plane->degamma.dirty = true;
> >> + } else {
> >> + plane->degamma.dirty = false;
> >> + }
> >> + }
> >> +}
> >> +
> >> +void dc_hw_update_roi(struct dc_hw *hw, u8 id, struct dc_hw_roi *roi)
> >> +{
> >> + struct dc_hw_plane *plane = &hw->plane[id];
> >> +
> >> + if (plane) {
> >> + memcpy(&plane->roi, roi, sizeof(*roi) - sizeof(roi->dirty));
> >> + plane->roi.dirty = true;
> >> + }
> >> +}
> >> +
> >> +void dc_hw_update_colorkey(struct dc_hw *hw, u8 id,
> >> + struct dc_hw_colorkey *colorkey)
> >> +{
> >> + struct dc_hw_plane *plane = &hw->plane[id];
> >> +
> >> + if (plane) {
> >> + memcpy(&plane->colorkey, colorkey,
> >> + sizeof(*colorkey) - sizeof(colorkey->dirty));
> >> + plane->colorkey.dirty = true;
> >> + }
> >> +}
> >> +
> >> +void dc_hw_update_qos(struct dc_hw *hw, struct dc_hw_qos *qos)
> >> +{
> >> + memcpy(&hw->qos, qos, sizeof(*qos) - sizeof(qos->dirty));
> >> + hw->qos.dirty = true;
> >> +}
> >> +
> >> +void dc_hw_update_cursor(struct dc_hw *hw, u8 id, struct dc_hw_cursor *cursor)
> >> +{
> >> + memcpy(&hw->cursor[id], cursor, sizeof(*cursor) - sizeof(cursor->dirty));
> >> + hw->cursor[id].dirty = true;
> >> +}
> >> +
> >> +void dc_hw_update_gamma(struct dc_hw *hw, u8 id, u16 index,
> >> + u16 r, u16 g, u16 b)
> >> +{
> >> + if (index >= hw->info->gamma_size)
> >> + return;
> >> +
> >> + hw->gamma[id].gamma[index][0] = r;
> >> + hw->gamma[id].gamma[index][1] = g;
> >> + hw->gamma[id].gamma[index][2] = b;
> >> + hw->gamma[id].dirty = true;
> >> +}
> >> +
> >> +void dc_hw_enable_gamma(struct dc_hw *hw, u8 id, bool enable)
> >> +{
> >> + hw->gamma[id].enable = enable;
> >> + hw->gamma[id].dirty = true;
> >> +}
> >> +
> >> +void dc_hw_setup_display(struct dc_hw *hw, struct dc_hw_display *display)
> >> +{
> >> + u8 id = display->id;
> >> +
> >> + memcpy(&hw->display[id], display, sizeof(*display));
> >> +
> >> + hw->func->display(hw, display);
> >> +}
> >> +
> >> +void dc_hw_enable_interrupt(struct dc_hw *hw, bool enable)
> >> +{
> >> + if (enable)
> >> + hi_write(hw, AQ_INTR_ENBL, 0xFFFFFFFF);
> >> + else
> >> + hi_write(hw, AQ_INTR_ENBL, 0);
> >> +}
> >> +
> >> +u32 dc_hw_get_interrupt(struct dc_hw *hw)
> >> +{
> >> + return hi_read(hw, AQ_INTR_ACKNOWLEDGE);
> >> +}
> >> +
> >> +bool dc_hw_check_underflow(struct dc_hw *hw)
> >> +{
> >> + return dc_read(hw, DC_FRAMEBUFFER_CONFIG) & BIT(5);
> >> +}
> >> +
> >> +void dc_hw_enable_shadow_register(struct dc_hw *hw, bool enable)
> >> +{
> >> + u32 i, offset;
> >> + u8 id, layer_num = hw->info->layer_num;
> >> + u8 panel_num = hw->info->panel_num;
> >> +
> >> + for (i = 0; i < layer_num; i++) {
> >> + id = hw->info->planes[i].id;
> >> + offset = get_addr_offset(id);
> >> + if (enable) {
> >> + if (id == PRIMARY_PLANE_0 || id == PRIMARY_PLANE_1)
> >> + dc_set_clear(hw, DC_FRAMEBUFFER_CONFIG_EX + offset, BIT(12), 0);
> >> + else
> >> + dc_set_clear(hw, DC_OVERLAY_CONFIG + offset, BIT(31), 0);
> >> + } else {
> >> + if (id == PRIMARY_PLANE_0 || id == PRIMARY_PLANE_1)
> >> + dc_set_clear(hw, DC_FRAMEBUFFER_CONFIG_EX + offset, 0, BIT(12));
> >> + else
> >> + dc_set_clear(hw, DC_OVERLAY_CONFIG + offset, 0, BIT(31));
> >> + }
> >> + }
> >> +
> >> + for (i = 0; i < panel_num; i++) {
> >> + offset = i << 2;
> >> + if (enable)
> >> + dc_set_clear(hw, DC_DISPLAY_PANEL_CONFIG_EX + offset, 0, BIT(0));
> >> + else
> >> + dc_set_clear(hw, DC_DISPLAY_PANEL_CONFIG_EX + offset, BIT(0), 0);
> >> + }
> >> +}
> >> +
> >> +void dc_hw_set_out(struct dc_hw *hw, enum dc_hw_out out, u8 id)
> >> +{
> >> + if (out <= OUT_DP)
> >> + hw->out[id] = out;
> >> +}
> >> +
> >> +static void gamma_ex_commit(struct dc_hw *hw)
> >> +{
> >> + u8 panel_num = hw->info->panel_num;
> >> + u16 i, j;
> >> + u32 value;
> >> +
> >> + for (j = 0; j < panel_num; j++) {
> >> + if (hw->gamma[j].dirty) {
> >> + if (hw->gamma[j].enable) {
> >> + dc_write(hw, DC_DISPLAY_GAMMA_EX_INDEX + (j << 2), 0x00);
> >> + for (i = 0; i < GAMMA_EX_SIZE; i++) {
> >> + value = hw->gamma[j].gamma[i][2] |
> >> + (hw->gamma[j].gamma[i][1] << 12);
> >> + dc_write(hw, DC_DISPLAY_GAMMA_EX_DATA + (j << 2), value);
> >> + dc_write(hw, DC_DISPLAY_GAMMA_EX_ONE_DATA + (j << 2),
> >> + hw->gamma[j].gamma[i][0]);
> >> + }
> >> + dc_set_clear(hw, DC_DISPLAY_PANEL_CONFIG + (j << 2),
> >> + BIT(13), 0);
> >> + } else {
> >> + dc_set_clear(hw, DC_DISPLAY_PANEL_CONFIG + (j << 2),
> >> + 0, BIT(13));
> >> + }
> >> + hw->gamma[j].dirty = false;
> >> + }
> >> + }
> >> +}
> >> +
> >> +static void plane_commit(struct dc_hw *hw)
> >> +{
> >> + struct dc_hw_plane *plane;
> >> + const struct dc_hw_plane_reg *reg;
> >> + bool primary = false;
> >> + u8 id, layer_num = hw->info->layer_num;
> >> + u32 i, offset;
> >> +
> >> + for (i = 0; i < layer_num; i++) {
> >> + plane = &hw->plane[i];
> >> + id = hw->info->planes[i].id;
> >> + offset = get_addr_offset(id);
> >> + if (id == PRIMARY_PLANE_0 || id == PRIMARY_PLANE_1) {
> >> + reg = &dc_plane_reg[0];
> >> + primary = true;
> >> + } else {
> >> + reg = &dc_plane_reg[1];
> >> + primary = false;
> >> + }
> >
> > Can you please move register defines to some internal hw_plane
> > structure. These details are known at the time of creation of the plane.
> > There is no need to determine them again and again.
> >
> >> +
> >> + if (plane->fb.dirty) {
> >> + if (plane->fb.enable) {
> >
> > if (plane->fb.dirty && plane->fb.enable) will save you one level of
> > indentation.
> >
> > However it might be better to use existing DRM flags instead of
> > inventing your own flags.
> >
> >> + dc_write(hw, reg->y_address + offset,
> >> + plane->fb.y_address);
> >> + dc_write(hw, reg->u_address + offset,
> >> + plane->fb.u_address);
> >> + dc_write(hw, reg->v_address + offset,
> >> + plane->fb.v_address);
> >> + dc_write(hw, reg->y_stride + offset,
> >> + plane->fb.y_stride);
> >> + dc_write(hw, reg->u_stride + offset,
> >> + plane->fb.u_stride);
> >> + dc_write(hw, reg->v_stride + offset,
> >> + plane->fb.v_stride);
> >> + dc_write(hw, reg->size + offset,
> >> + plane->fb.width |
> >> + (plane->fb.height << 15));
> >> + dc_write(hw, reg->water_mark + offset,
> >> + plane->fb.water_mark);
> >> +
> >> + if (plane->fb.clear_enable)
> >> + dc_write(hw, reg->clear_value + offset,
> >> + plane->fb.clear_value);
> >> + }
> >> +
> >> + if (primary) {
> >
> > You have two kinds of planes. Primary and overlays. Could you please
> > split this code into two separate functions and define two vtables, one
> > for primary planes and one for overlays. There is no need to stick
> > everything into a single funcion that handles everything.
> >
> >> + dc_set_clear(hw, DC_FRAMEBUFFER_CONFIG + offset,
> >> + (plane->fb.format << 26) |
> >> + (plane->fb.uv_swizzle << 25) |
> >> + (plane->fb.swizzle << 23) |
> >> + (plane->fb.tile_mode << 17) |
> >> + (plane->fb.yuv_color_space << 14) |
> >> + (plane->fb.rotation << 11) |
> >> + (plane->fb.clear_enable << 8),
> >> + (0x1F << 26) |
> >> + BIT(25) |
> >> + (0x03 << 23) |
> >> + (0x1F << 17) |
> >> + (0x07 << 14) |
> >> + (0x07 << 11) |
> >> + BIT(8));
> >> + dc_set_clear(hw, DC_FRAMEBUFFER_CONFIG_EX + offset,
> >> + (plane->fb.dec_enable << 1) |
> >> + (plane->fb.enable << 13) |
> >> + (plane->fb.zpos << 16) |
> >> + (plane->fb.display_id << 19),
> >> + BIT(1) | BIT(13) | (0x07 << 16) | BIT(19));
> >
> > It looks like this code can enjoy defining names for all the magic
> > values. Otherwise it is impossible to support it.
> >
> >> + } else {
> >> + dc_set_clear(hw, DC_OVERLAY_CONFIG + offset,
> >> + (plane->fb.dec_enable << 27) |
> >> + (plane->fb.clear_enable << 25) |
> >> + (plane->fb.enable << 24) |
> >> + (plane->fb.format << 16) |
> >> + (plane->fb.uv_swizzle << 15) |
> >> + (plane->fb.swizzle << 13) |
> >> + (plane->fb.tile_mode << 8) |
> >> + (plane->fb.yuv_color_space << 5) |
> >> + (plane->fb.rotation << 2),
> >> + BIT(27) |
> >> + BIT(25) |
> >> + BIT(24) |
> >> + (0x1F << 16) |
> >> + BIT(15) |
> >> + (0x03 << 13) |
> >> + (0x1F << 8) |
> >> + (0x07 << 5) |
> >> + (0x07 << 2));
> >> + dc_set_clear(hw, DC_OVERLAY_CONFIG_EX + offset,
> >> + plane->fb.zpos | (plane->fb.display_id << 3),
> >> + 0x07 | BIT(3));
> >> + }
> >> + plane->fb.dirty = false;
> >> + }
> >> +
> >> + if (plane->scale.dirty) {
> >> + if (plane->scale.enable) {
> >> + dc_write(hw, reg->scale_factor_x + offset,
> >> + plane->scale.scale_factor_x);
> >> + dc_write(hw, reg->scale_factor_y + offset,
> >> + plane->scale.scale_factor_y);
> >> + if (primary)
> >> + dc_set_clear(hw,
> >> + DC_FRAMEBUFFER_CONFIG + offset,
> >> + BIT(22), 0);
> >> + else
> >> + dc_set_clear(hw,
> >> + DC_OVERLAY_SCALE_CONFIG + offset,
> >> + BIT(8), 0);
> >> + } else {
> >> + if (primary)
> >> + dc_set_clear(hw,
> >> + DC_FRAMEBUFFER_CONFIG + offset,
> >> + 0, BIT(22));
> >> + else
> >> + dc_set_clear(hw,
> >> + DC_OVERLAY_SCALE_CONFIG + offset,
> >> + 0, BIT(8));
> >> + }
> >> + plane->scale.dirty = false;
> >> + }
> >> +
> >> + if (plane->pos.dirty) {
> >> + dc_write(hw, reg->top_left + offset,
> >> + plane->pos.start_x |
> >> + (plane->pos.start_y << 15));
> >> + dc_write(hw, reg->bottom_right + offset,
> >> + plane->pos.end_x |
> >> + (plane->pos.end_y << 15));
> >> + plane->pos.dirty = false;
> >> + }
> >> +
> >> + if (plane->blend.dirty) {
> >> + dc_write(hw, reg->src_global_color + offset,
> >> + plane->blend.alpha << 24);
> >> + dc_write(hw, reg->dst_global_color + offset,
> >> + plane->blend.alpha << 24);
> >> + switch (plane->blend.blend_mode) {
> >> + case BLEND_PREMULTI:
> >> + dc_write(hw, reg->blend_config + offset, 0x3450);
> >> + break;
> >> + case BLEND_COVERAGE:
> >> + dc_write(hw, reg->blend_config + offset, 0x3950);
> >> + break;
> >> + case BLEND_PIXEL_NONE:
> >> + dc_write(hw, reg->blend_config + offset, 0x3548);
> >> + break;
> >> + default:
> >> + break;
> >> + }
> >> + plane->blend.dirty = false;
> >> + }
> >> +
> >> + if (plane->colorkey.dirty) {
> >> + dc_write(hw, reg->color_key + offset, plane->colorkey.colorkey);
> >> + dc_write(hw, reg->color_key_high + offset,
> >> + plane->colorkey.colorkey_high);
> >> +
> >> + if (primary)
> >> + dc_set_clear(hw, DC_FRAMEBUFFER_CONFIG + offset,
> >> + plane->colorkey.transparency << 9, 0x03 << 9);
> >> + else
> >> + dc_set_clear(hw, DC_OVERLAY_CONFIG + offset,
> >> + plane->colorkey.transparency, 0x03);
> >> +
> >> + plane->colorkey.dirty = false;
> >> + }
> >> +
> >> + if (plane->roi.dirty) {
> >> + if (plane->roi.enable) {
> >> + dc_write(hw, reg->roi_origin + offset,
> >> + plane->roi.x | (plane->roi.y << 16));
> >> + dc_write(hw, reg->roi_size + offset,
> >> + plane->roi.width | (plane->roi.height << 16));
> >> + if (primary)
> >> + dc_set_clear(hw, DC_FRAMEBUFFER_CONFIG_EX + offset,
> >> + BIT(0), 0);
> >> + else
> >> + dc_set_clear(hw, DC_OVERLAY_CONFIG + offset,
> >> + BIT(22), 0);
> >> + } else {
> >> + if (primary)
> >> + dc_set_clear(hw, DC_FRAMEBUFFER_CONFIG_EX + offset,
> >> + 0, BIT(0));
> >> + else
> >> + dc_set_clear(hw, DC_OVERLAY_CONFIG + offset,
> >> + 0, BIT(22));
> >> + }
> >> + plane->roi.dirty = false;
> >> + }
> >> + }
> >> +}
> >> +
> >> +static void plane_ex_commit(struct dc_hw *hw)
> >> +{
> >> + struct dc_hw_plane *plane;
> >> + const struct dc_hw_plane_reg *reg;
> >> + bool primary = false;
> >> + u8 id, layer_num = hw->info->layer_num;
> >> + u32 i, offset;
> >> +
> >> + for (i = 0; i < layer_num; i++) {
> >> + plane = &hw->plane[i];
> >> + id = hw->info->planes[i].id;
> >> + offset = get_addr_offset(id);
> >> + if (id == PRIMARY_PLANE_0 || id == PRIMARY_PLANE_1) {
> >> + reg = &dc_plane_reg[0];
> >> + primary = true;
> >> + } else {
> >> + reg = &dc_plane_reg[1];
> >> + primary = false;
> >> + }
> >> +
> >> + if (plane->fb.dirty) {
> >> + if (is_rgb(plane->fb.format)) {
> >> + if (primary)
> >> + dc_set_clear(hw,
> >> + DC_FRAMEBUFFER_CONFIG_EX + offset,
> >> + BIT(6), BIT(8));
> >> + else
> >> + dc_set_clear(hw,
> >> + DC_OVERLAY_CONFIG + offset,
> >> + BIT(29), BIT(30));
> >> + } else {
> >> + if (primary)
> >> + dc_set_clear(hw,
> >> + DC_FRAMEBUFFER_CONFIG_EX + offset,
> >> + BIT(8), BIT(6));
> >> + else
> >> + dc_set_clear(hw,
> >> + DC_OVERLAY_CONFIG + offset,
> >> + BIT(30), BIT(29));
> >> + switch (plane->fb.yuv_color_space) {
> >> + case COLOR_SPACE_601:
> >> + load_yuv_to_rgb(hw, reg, offset, YUV601_2RGB);
> >> + break;
> >> + case COLOR_SPACE_709:
> >> + load_yuv_to_rgb(hw, reg, offset, YUV709_2RGB);
> >> + break;
> >> + case COLOR_SPACE_2020:
> >> + load_yuv_to_rgb(hw, reg, offset, YUV2020_2RGB);
> >> + break;
> >> + default:
> >> + break;
> >> + }
> >> + }
> >> + }
> >> + if (plane->degamma.dirty) {
> >> + switch (plane->degamma.mode) {
> >> + case VS_DEGAMMA_DISABLE:
> >> + if (primary)
> >> + dc_set_clear(hw,
> >> + DC_FRAMEBUFFER_CONFIG_EX + offset,
> >> + 0, BIT(5));
> >> + else
> >> + dc_set_clear(hw,
> >> + DC_OVERLAY_CONFIG + offset,
> >> + 0, BIT(28));
> >> + break;
> >> + case VS_DEGAMMA_BT709:
> >> + load_degamma_table(hw, reg, offset, DEGAMMA_709);
> >> + if (primary)
> >> + dc_set_clear(hw,
> >> + DC_FRAMEBUFFER_CONFIG_EX + offset,
> >> + BIT(5), 0);
> >> + else
> >> + dc_set_clear(hw,
> >> + DC_OVERLAY_CONFIG + offset,
> >> + BIT(28), 0);
> >> + break;
> >> + case VS_DEGAMMA_BT2020:
> >> + load_degamma_table(hw, reg, offset, DEGAMMA_2020);
> >> + if (primary)
> >> + dc_set_clear(hw,
> >> + DC_FRAMEBUFFER_CONFIG_EX + offset,
> >> + BIT(5), 0);
> >> + else
> >> + dc_set_clear(hw,
> >> + DC_OVERLAY_CONFIG + offset,
> >> + BIT(28), 0);
> >> + break;
> >> + default:
> >> + break;
> >> + }
> >> + plane->degamma.dirty = false;
> >> + }
> >> + }
> >> + plane_commit(hw);
> >> +}
> >> +
> >> +static void setup_display(struct dc_hw *hw, struct dc_hw_display *display)
> >> +{
> >> + u8 id = display->id;
> >> + u32 dpi_cfg, offset = id << 2;
> >> +
> >> + if (hw->display[id].enable) {
> >> + switch (display->bus_format) {
> >> + case MEDIA_BUS_FMT_RGB565_1X16:
> >> + dpi_cfg = 0;
> >> + break;
> >> + case MEDIA_BUS_FMT_RGB666_1X18:
> >> + dpi_cfg = 3;
> >> + break;
> >> + case MEDIA_BUS_FMT_RGB666_1X24_CPADHI:
> >> + dpi_cfg = 4;
> >> + break;
> >> + case MEDIA_BUS_FMT_RGB888_1X24:
> >> + dpi_cfg = 5;
> >> + break;
> >> + case MEDIA_BUS_FMT_RGB101010_1X30:
> >> + dpi_cfg = 6;
> >> + break;
> >> + default:
> >> + dpi_cfg = 5;
> >> + break;
> >> + }
> >> + dc_write(hw, DC_DISPLAY_DPI_CONFIG + offset, dpi_cfg);
> >> +
> >> + if (id == 0)
> >> + dc_set_clear(hw, DC_DISPLAY_PANEL_START, 0, BIT(0) | BIT(2));
> >> + else
> >> + dc_set_clear(hw, DC_DISPLAY_PANEL_START, 0, BIT(1) | BIT(2));
> >> +
> >> + dc_write(hw, DC_DISPLAY_H + offset, hw->display[id].h_active |
> >> + (hw->display[id].h_total << 16));
> >> + dc_write(hw, DC_DISPLAY_H_SYNC + offset,
> >> + hw->display[id].h_sync_start |
> >> + (hw->display[id].h_sync_end << 15) |
> >> + (hw->display[id].h_sync_polarity ? 0 : BIT(31)) |
> >> + BIT(30));
> >> + dc_write(hw, DC_DISPLAY_V + offset, hw->display[id].v_active |
> >> + (hw->display[id].v_total << 16));
> >> + dc_write(hw, DC_DISPLAY_V_SYNC + offset,
> >> + hw->display[id].v_sync_start |
> >> + (hw->display[id].v_sync_end << 15) |
> >> + (hw->display[id].v_sync_polarity ? 0 : BIT(31)) |
> >> + BIT(30));
> >> +
> >> + if (hw->info->pipe_sync)
> >> + dc_set_clear(hw, DC_FRAMEBUFFER_CONFIG_EX,
> >> + 0, BIT(3) | BIT(4));
> >> +
> >> + dc_set_clear(hw, DC_DISPLAY_PANEL_CONFIG + offset, BIT(12), 0);
> >> + if (id == 0)
> >> + dc_set_clear(hw, DC_DISPLAY_PANEL_START, BIT(0), BIT(3));
> >> + else
> >> + dc_set_clear(hw, DC_DISPLAY_PANEL_START, BIT(1), BIT(3));
> >> + } else {
> >> + dc_set_clear(hw, DC_DISPLAY_PANEL_CONFIG + offset, 0, BIT(12));
> >> + if (id == 0)
> >> + dc_set_clear(hw, DC_DISPLAY_PANEL_START, 0, BIT(0) | BIT(2));
> >> + else
> >> + dc_set_clear(hw, DC_DISPLAY_PANEL_START, 0, BIT(1) | BIT(2));
> >> + }
> >> +}
> >> +
> >> +static void setup_display_ex(struct dc_hw *hw, struct dc_hw_display *display)
> >> +{
> >> + u8 id = display->id;
> >> + u32 dp_cfg, offset = id << 2;
> >> + bool is_yuv = false;
> >> +
> >> + if (hw->display[id].enable && hw->out[id] == OUT_DP) {
> >> + switch (display->bus_format) {
> >> + case MEDIA_BUS_FMT_RGB565_1X16:
> >> + dp_cfg = 0;
> >> + break;
> >> + case MEDIA_BUS_FMT_RGB666_1X18:
> >> + dp_cfg = 1;
> >> + break;
> >> + case MEDIA_BUS_FMT_RGB888_1X24:
> >> + dp_cfg = 2;
> >> + break;
> >> + case MEDIA_BUS_FMT_RGB101010_1X30:
> >> + dp_cfg = 3;
> >> + break;
> >> + case MEDIA_BUS_FMT_UYVY8_1X16:
> >> + dp_cfg = 2 << 4;
> >> + is_yuv = true;
> >> + break;
> >> + case MEDIA_BUS_FMT_YUV8_1X24:
> >> + dp_cfg = 4 << 4;
> >> + is_yuv = true;
> >> + break;
> >> + case MEDIA_BUS_FMT_UYVY10_1X20:
> >> + dp_cfg = 8 << 4;
> >> + is_yuv = true;
> >> + break;
> >> + case MEDIA_BUS_FMT_YUV10_1X30:
> >> + dp_cfg = 10 << 4;
> >> + is_yuv = true;
> >> + break;
> >> + case MEDIA_BUS_FMT_UYYVYY8_0_5X24:
> >> + dp_cfg = 12 << 4;
> >> + is_yuv = true;
> >> + break;
> >> + case MEDIA_BUS_FMT_UYYVYY10_0_5X30:
> >> + dp_cfg = 13 << 4;
> >> + is_yuv = true;
> >> + break;
> >> + default:
> >> + dp_cfg = 2;
> >> + break;
> >> + }
> >> + if (is_yuv)
> >> + dc_set_clear(hw, DC_DISPLAY_PANEL_CONFIG + offset, BIT(16), 0);
> >> + else
> >> + dc_set_clear(hw, DC_DISPLAY_PANEL_CONFIG + offset, 0, BIT(16));
> >> + dc_write(hw, DC_DISPLAY_DP_CONFIG + offset, dp_cfg | BIT(3));
> >> + }
> >> +
> >> + if (hw->out[id] == OUT_DPI)
> >> + dc_set_clear(hw, DC_DISPLAY_DP_CONFIG + offset, 0, BIT(3));
> >> +
> >> + setup_display(hw, display);
> >> +}
> >> +
> >> +static const struct dc_hw_funcs hw_func = {
> >> + .gamma = &gamma_ex_commit,
> >> + .plane = &plane_ex_commit,
> >> + .display = setup_display_ex,
> >> +};
> >> +
> >> +void dc_hw_commit(struct dc_hw *hw)
> >> +{
> >> + u32 i, offset = 0;
> >> + u8 plane_num = hw->info->plane_num;
> >> + u8 layer_num = hw->info->layer_num;
> >> + u8 cursor_num = plane_num - layer_num;
> >> +
> >> + hw->func->gamma(hw);
> >> + hw->func->plane(hw);
> >> +
> >> + for (i = 0; i < cursor_num; i++) {
> >> + if (hw->cursor[i].dirty) {
> >> + offset = hw->cursor[i].display_id ? DC_CURSOR_OFFSET : 0;
> >> + if (hw->cursor[i].enable) {
> >> + dc_write(hw, DC_CURSOR_ADDRESS + offset,
> >> + hw->cursor[i].address);
> >> + dc_write(hw, DC_CURSOR_LOCATION + offset, hw->cursor[i].x |
> >> + (hw->cursor[i].y << 16));
> >> + dc_set_clear(hw, DC_CURSOR_CONFIG + offset,
> >> + (hw->cursor[i].hot_x << 16) |
> >> + (hw->cursor[i].hot_y << 8) |
> >> + (hw->cursor[i].size << 5) |
> >> + BIT(3) | BIT(2) | 0x02,
> >> + (0xFF << 16) |
> >> + (0xFF << 8) |
> >> + (0x07 << 5) | 0x1F);
> >> + } else {
> >> + dc_set_clear(hw, DC_CURSOR_CONFIG + offset, BIT(3), 0x03);
> >> + }
> >> + hw->cursor[i].dirty = false;
> >> + }
> >> + }
> >> +
> >> + if (hw->qos.dirty) {
> >> + dc_set_clear(hw, DC_QOS_CONFIG, (hw->qos.high_value << 4) |
> >> + hw->qos.low_value, 0xFF);
> >> + hw->qos.dirty = false;
> >> + }
> >> +}
> >> +
> >> diff --git a/drivers/gpu/drm/verisilicon/vs_dc_hw.h b/drivers/gpu/drm/verisilicon/vs_dc_hw.h
> >> new file mode 100644
> >> index 000000000..9a1d767ae
> >> --- /dev/null
> >> +++ b/drivers/gpu/drm/verisilicon/vs_dc_hw.h
> >> @@ -0,0 +1,492 @@
> >> +/* SPDX-License-Identifier: GPL-2.0 */
> >> +/*
> >> + * Copyright (C) 2023 VeriSilicon Holdings Co., Ltd.
> >> + */
> >> +
> >> +#ifndef __VS_DC_HW_H__
> >> +#define __VS_DC_HW_H__
> >> +
> >> +#define AQ_INTR_ACKNOWLEDGE 0x0010
> >> +#define AQ_INTR_ENBL 0x0014
> >
> > Please take care to align all the defines.
> >
> >> +#define DC_HW_REVISION 0x0024
> >> +#define DC_HW_CHIP_CID 0x0030
> >> +
> >> +#define DC_REG_BASE 0x0800
> >> +#define DC_REG_RANGE 0x2000
> >> +#define DC_SEC_REG_OFFSET 0x100000
> >> +
> >> +#define DC_FRAMEBUFFER_CONFIG 0x1518
> >> +#define DC_FRAMEBUFFER_CONFIG_EX 0x1CC0
> >> +#define DC_FRAMEBUFFER_SCALE_CONFIG 0x1520
> >> +#define DC_FRAMEBUFFER_TOP_LEFT 0x24D8
> >> +#define DC_FRAMEBUFFER_BOTTOM_RIGHT 0x24E0
> >> +#define DC_FRAMEBUFFER_ADDRESS 0x1400
> >> +#define DC_FRAMEBUFFER_U_ADDRESS 0x1530
> >> +#define DC_FRAMEBUFFER_V_ADDRESS 0x1538
> >> +#define DC_FRAMEBUFFER_STRIDE 0x1408
> >> +#define DC_FRAMEBUFFER_U_STRIDE 0x1800
> >> +#define DC_FRAMEBUFFER_V_STRIDE 0x1808
> >> +#define DC_FRAMEBUFFER_SIZE 0x1810
> >> +#define DC_FRAMEBUFFER_SCALE_FACTOR_X 0x1828
> >> +#define DC_FRAMEBUFFER_SCALE_FACTOR_Y 0x1830
> >> +#define DC_FRAMEBUFFER_H_FILTER_COEF_INDEX 0x1838
> >> +#define DC_FRAMEBUFFER_H_FILTER_COEF_DATA 0x1A00
> >> +#define DC_FRAMEBUFFER_V_FILTER_COEF_INDEX 0x1A08
> >> +#define DC_FRAMEBUFFER_V_FILTER_COEF_DATA 0x1A10
> >> +#define DC_FRAMEBUFFER_INIT_OFFSET 0x1A20
> >> +#define DC_FRAMEBUFFER_COLOR_KEY 0x1508
> >> +#define DC_FRAMEBUFFER_COLOR_KEY_HIGH 0x1510
> >> +#define DC_FRAMEBUFFER_CLEAR_VALUE 0x1A18
> >> +#define DC_FRAMEBUFFER_COLOR_TABLE_INDEX 0x1818
> >> +#define DC_FRAMEBUFFER_COLOR_TABLE_DATA 0x1820
> >> +#define DC_FRAMEBUFFER_BG_COLOR 0x1528
> >> +#define DC_FRAMEBUFFER_ROI_ORIGIN 0x1CB0
> >> +#define DC_FRAMEBUFFER_ROI_SIZE 0x1CB8
> >> +#define DC_FRAMEBUFFER_WATER_MARK 0x1CE8
> >> +#define DC_FRAMEBUFFER_DEGAMMA_INDEX 0x1D88
> >> +#define DC_FRAMEBUFFER_DEGAMMA_DATA 0x1D90
> >> +#define DC_FRAMEBUFFER_DEGAMMA_EX_DATA 0x1D98
> >> +#define DC_FRAMEBUFFER_YUVTORGB_COEF0 0x1DA0
> >> +#define DC_FRAMEBUFFER_YUVTORGB_COEF1 0x1DA8
> >> +#define DC_FRAMEBUFFER_YUVTORGB_COEF2 0x1DB0
> >> +#define DC_FRAMEBUFFER_YUVTORGB_COEF3 0x1DB8
> >> +#define DC_FRAMEBUFFER_YUVTORGB_COEF4 0x1E00
> >> +#define DC_FRAMEBUFFER_YUVTORGB_COEFD0 0x1E08
> >> +#define DC_FRAMEBUFFER_YUVTORGB_COEFD1 0x1E10
> >> +#define DC_FRAMEBUFFER_YUVTORGB_COEFD2 0x1E18
> >> +#define DC_FRAMEBUFFER_Y_CLAMP_BOUND 0x1E88
> >> +#define DC_FRAMEBUFFER_UV_CLAMP_BOUND 0x1E90
> >> +#define DC_FRAMEBUFFER_RGBTORGB_COEF0 0x1E20
> >> +#define DC_FRAMEBUFFER_RGBTORGB_COEF1 0x1E28
> >> +#define DC_FRAMEBUFFER_RGBTORGB_COEF2 0x1E30
> >> +#define DC_FRAMEBUFFER_RGBTORGB_COEF3 0x1E38
> >> +#define DC_FRAMEBUFFER_RGBTORGB_COEF4 0x1E40
> >> +#define DC_FRAMEBUFFER_BLEND_CONFIG 0x2510
> >> +#define DC_FRAMEBUFFER_SRC_GLOBAL_COLOR 0x2500
> >> +#define DC_FRAMEBUFFER_DST_GLOBAL_COLOR 0x2508
> >> +
> >> +#define DC_OVERLAY_CONFIG 0x1540
> >> +#define DC_OVERLAY_CONFIG_EX 0x2540
> >> +#define DC_OVERLAY_SCALE_CONFIG 0x1C00
> >> +#define DC_OVERLAY_BLEND_CONFIG 0x1580
> >> +#define DC_OVERLAY_TOP_LEFT 0x1640
> >> +#define DC_OVERLAY_BOTTOM_RIGHT 0x1680
> >> +#define DC_OVERLAY_ADDRESS 0x15C0
> >> +#define DC_OVERLAY_U_ADDRESS 0x1840
> >> +#define DC_OVERLAY_V_ADDRESS 0x1880
> >> +#define DC_OVERLAY_STRIDE 0x1600
> >> +#define DC_OVERLAY_U_STRIDE 0x18C0
> >> +#define DC_OVERLAY_V_STRIDE 0x1900
> >> +#define DC_OVERLAY_SIZE 0x17C0
> >> +#define DC_OVERLAY_SCALE_FACTOR_X 0x1A40
> >> +#define DC_OVERLAY_SCALE_FACTOR_Y 0x1A80
> >> +#define DC_OVERLAY_H_FILTER_COEF_INDEX 0x1AC0
> >> +#define DC_OVERLAY_H_FILTER_COEF_DATA 0x1B00
> >> +#define DC_OVERLAY_V_FILTER_COEF_INDEX 0x1B40
> >> +#define DC_OVERLAY_V_FILTER_COEF_DATA 0x1B80
> >> +#define DC_OVERLAY_INIT_OFFSET 0x1BC0
> >> +#define DC_OVERLAY_COLOR_KEY 0x1740
> >> +#define DC_OVERLAY_COLOR_KEY_HIGH 0x1780
> >> +#define DC_OVERLAY_CLEAR_VALUE 0x1940
> >> +#define DC_OVERLAY_COLOR_TABLE_INDEX 0x1980
> >> +#define DC_OVERLAY_COLOR_TABLE_DATA 0x19C0
> >> +#define DC_OVERLAY_SRC_GLOBAL_COLOR 0x16C0
> >> +#define DC_OVERLAY_DST_GLOBAL_COLOR 0x1700
> >> +#define DC_OVERLAY_ROI_ORIGIN 0x1D00
> >> +#define DC_OVERLAY_ROI_SIZE 0x1D40
> >> +#define DC_OVERLAY_WATER_MARK 0x1DC0
> >> +#define DC_OVERLAY_DEGAMMA_INDEX 0x2200
> >> +#define DC_OVERLAY_DEGAMMA_DATA 0x2240
> >> +#define DC_OVERLAY_DEGAMMA_EX_DATA 0x2280
> >> +#define DC_OVERLAY_YUVTORGB_COEF0 0x1EC0
> >> +#define DC_OVERLAY_YUVTORGB_COEF1 0x1F00
> >> +#define DC_OVERLAY_YUVTORGB_COEF2 0x1F40
> >> +#define DC_OVERLAY_YUVTORGB_COEF3 0x1F80
> >> +#define DC_OVERLAY_YUVTORGB_COEF4 0x1FC0
> >> +#define DC_OVERLAY_YUVTORGB_COEFD0 0x2000
> >> +#define DC_OVERLAY_YUVTORGB_COEFD1 0x2040
> >> +#define DC_OVERLAY_YUVTORGB_COEFD2 0x2080
> >> +#define DC_OVERLAY_Y_CLAMP_BOUND 0x22C0
> >> +#define DC_OVERLAY_UV_CLAMP_BOUND 0x2300
> >> +#define DC_OVERLAY_RGBTORGB_COEF0 0x20C0
> >> +#define DC_OVERLAY_RGBTORGB_COEF1 0x2100
> >> +#define DC_OVERLAY_RGBTORGB_COEF2 0x2140
> >> +#define DC_OVERLAY_RGBTORGB_COEF3 0x2180
> >> +#define DC_OVERLAY_RGBTORGB_COEF4 0x21C0
> >> +
> >> +#define DC_CURSOR_CONFIG 0x1468
> >> +#define DC_CURSOR_ADDRESS 0x146C
> >> +#define DC_CURSOR_LOCATION 0x1470
> >> +#define DC_CURSOR_BACKGROUND 0x1474
> >> +#define DC_CURSOR_FOREGROUND 0x1478
> >> +#define DC_CURSOR_CLK_GATING 0x1484
> >> +#define DC_CURSOR_CONFIG_EX 0x24E8
> >> +#define DC_CURSOR_OFFSET 0x1080
> >> +
> >> +#define DC_DISPLAY_DITHER_CONFIG 0x1410
> >> +#define DC_DISPLAY_PANEL_CONFIG 0x1418
> >> +#define DC_DISPLAY_PANEL_CONFIG_EX 0x2518
> >> +#define DC_DISPLAY_DITHER_TABLE_LOW 0x1420
> >> +#define DC_DISPLAY_DITHER_TABLE_HIGH 0x1428
> >> +#define DC_DISPLAY_H 0x1430
> >> +#define DC_DISPLAY_H_SYNC 0x1438
> >> +#define DC_DISPLAY_V 0x1440
> >> +#define DC_DISPLAY_V_SYNC 0x1448
> >> +#define DC_DISPLAY_CURRENT_LOCATION 0x1450
> >> +#define DC_DISPLAY_GAMMA_INDEX 0x1458
> >> +#define DC_DISPLAY_GAMMA_DATA 0x1460
> >> +#define DC_DISPLAY_INT 0x147C
> >> +#define DC_DISPLAY_INT_ENABLE 0x1480
> >> +#define DC_DISPLAY_DBI_CONFIG 0x1488
> >> +#define DC_DISPLAY_GENERAL_CONFIG 0x14B0
> >> +#define DC_DISPLAY_DPI_CONFIG 0x14B8
> >> +#define DC_DISPLAY_PANEL_START 0x1CCC
> >> +#define DC_DISPLAY_DEBUG_COUNTER_SELECT 0x14D0
> >> +#define DC_DISPLAY_DEBUG_COUNTER_VALUE 0x14D8
> >> +#define DC_DISPLAY_DP_CONFIG 0x1CD0
> >> +#define DC_DISPLAY_GAMMA_EX_INDEX 0x1CF0
> >> +#define DC_DISPLAY_GAMMA_EX_DATA 0x1CF8
> >> +#define DC_DISPLAY_GAMMA_EX_ONE_DATA 0x1D80
> >> +#define DC_DISPLAY_RGBTOYUV_COEF0 0x1E48
> >> +#define DC_DISPLAY_RGBTOYUV_COEF1 0x1E50
> >> +#define DC_DISPLAY_RGBTOYUV_COEF2 0x1E58
> >> +#define DC_DISPLAY_RGBTOYUV_COEF3 0x1E60
> >> +#define DC_DISPLAY_RGBTOYUV_COEF4 0x1E68
> >> +#define DC_DISPLAY_RGBTOYUV_COEFD0 0x1E70
> >> +#define DC_DISPLAY_RGBTOYUV_COEFD1 0x1E78
> >> +#define DC_DISPLAY_RGBTOYUV_COEFD2 0x1E80
> >> +
> >> +#define DC_CLK_GATTING 0x1A28
> >> +#define DC_QOS_CONFIG 0x1A38
> >> +
> >> +#define DC_TRANSPARENCY_OPAQUE 0x00
> >> +#define DC_TRANSPARENCY_KEY 0x02
> >> +#define DC_DISPLAY_DITHERTABLE_LOW 0x7B48F3C0
> >> +#define DC_DISPLAY_DITHERTABLE_HIGH 0x596AD1E2
> >> +
> >> +#define GAMMA_SIZE 256
> >> +#define GAMMA_EX_SIZE 300
> >> +#define DEGAMMA_SIZE 260
> >> +
> >> +#define RGB_TO_RGB_TABLE_SIZE 9
> >> +#define YUV_TO_RGB_TABLE_SIZE 16
> >> +#define RGB_TO_YUV_TABLE_SIZE 12
> >> +
> >> +#define DC_LAYER_NUM 6
> >> +#define DC_DISPLAY_NUM 2
> >> +#define DC_CURSOR_NUM 2
> >> +
> >> +#define DC_TILE_MODE4X4 0x15
> >> +
> >> +enum dc_chip_rev {
> >> + DC_REV_0,/* For HW_REV_5720,HW_REV_5721_311 */
> >> + DC_REV_1,/* For HW_REV_5721_30B */
> >> + DC_REV_2,/* For HW_REV_5721_310 */
> >> +};
> >> +
> >> +enum dc_hw_plane_id {
> >> + PRIMARY_PLANE_0,
> >> + OVERLAY_PLANE_0,
> >> + OVERLAY_PLANE_1,
> >> + PRIMARY_PLANE_1,
> >> + OVERLAY_PLANE_2,
> >> + OVERLAY_PLANE_3,
> >> + CURSOR_PLANE_0,
> >> + CURSOR_PLANE_1,
> >> + PLANE_NUM
> >> +};
> >> +
> >> +enum dc_hw_color_format {
> >> + FORMAT_X4R4G4B4,//0
> >
> > Space after the comma will make it more readable. Or just define the
> > values explicitly, it will also be more readable.
> >
> >> + FORMAT_A4R4G4B4,//1
> >> + FORMAT_X1R5G5B5,//2
> >> + FORMAT_A1R5G5B5,//3
> >> + FORMAT_R5G6B5,//4
> >> + FORMAT_X8R8G8B8,//5
> >> + FORMAT_A8R8G8B8,//6
> >> + FORMAT_YUY2,//7
> >> + FORMAT_UYVY,//8
> >> + FORMAT_INDEX8,//9
> >> + FORMAT_MONOCHROME,//10
> >> + FORMAT_YV12 = 0xf,
> >> + FORMAT_A8,//16
> >> + FORMAT_NV12,//17
> >> + FORMAT_NV16,//18
> >> + FORMAT_RG16,//19
> >> + FORMAT_R8,//20
> >> + FORMAT_NV12_10BIT,//21
> >> + FORMAT_A2R10G10B10,//22
> >> + FORMAT_NV16_10BIT,//23
> >> + FORMAT_INDEX1,//24
> >> + FORMAT_INDEX2,//25
> >> + FORMAT_INDEX4,//26
> >> + FORMAT_P010,//27
> >> + FORMAT_YUV444,//28
> >> + FORMAT_YUV444_10BIT,//29
> >> +};
> >> +
> >> +enum dc_hw_yuv_color_space {
> >> + COLOR_SPACE_601 = 0,
> >> + COLOR_SPACE_709 = 1,
> >> + COLOR_SPACE_2020 = 3,
> >> +};
> >> +
> >> +enum dc_hw_rotation {
> >> + ROT_0 = 0,
> >> + ROT_90 = 4,
> >> + ROT_180 = 5,
> >> + ROT_270 = 6,
> >> + FLIP_X = 1,
> >> + FLIP_Y = 2,
> >> + FLIP_XY = 3,
> >> +};
> >> +
> >> +enum dc_hw_swizzle {
> >> + SWIZZLE_ARGB = 0,
> >> + SWIZZLE_RGBA,
> >> + SWIZZLE_ABGR,
> >> + SWIZZLE_BGRA,
> >> +};
> >> +
> >> +enum dc_hw_out {
> >> + OUT_DPI,
> >> + OUT_DP,
> >> +};
> >> +
> >> +enum dc_hw_cursor_size {
> >> + CURSOR_SIZE_32X32 = 0,
> >> + CURSOR_SIZE_64X64,
> >> +};
> >> +
> >> +enum dc_hw_blend_mode {
> >> + /* out.rgb = plane_alpha * fg.rgb +
> >> + * (1 - (plane_alpha * fg.alpha)) * bg.rgb
> >> + */
> >> + BLEND_PREMULTI,
> >> + /* out.rgb = plane_alpha * fg.alpha * fg.rgb +
> >> + * (1 - (plane_alpha * fg.alpha)) * bg.rgb
> >> + */
> >> + BLEND_COVERAGE,
> >> + /* out.rgb = plane_alpha * fg.rgb +
> >> + * (1 - plane_alpha) * bg.rgb
> >> + */
> >> + BLEND_PIXEL_NONE,
> >
> > Can you use defines from <drm/drm_blend.h>?
> >
> >> +};
> >> +
> >> +struct dc_hw_plane_reg {
> >> + u32 y_address;
> >> + u32 u_address;
> >> + u32 v_address;
> >> + u32 y_stride;
> >> + u32 u_stride;
> >> + u32 v_stride;
> >> + u32 size;
> >> + u32 top_left;
> >> + u32 bottom_right;
> >> + u32 scale_factor_x;
> >> + u32 scale_factor_y;
> >> + u32 h_filter_coef_index;
> >> + u32 h_filter_coef_data;
> >> + u32 v_filter_coef_index;
> >> + u32 v_filter_coef_data;
> >> + u32 init_offset;
> >> + u32 color_key;
> >> + u32 color_key_high;
> >> + u32 clear_value;
> >> + u32 color_table_index;
> >> + u32 color_table_data;
> >> + u32 scale_config;
> >> + u32 water_mark;
> >> + u32 degamma_index;
> >> + u32 degamma_data;
> >> + u32 degamma_ex_data;
> >> + u32 src_global_color;
> >> + u32 dst_global_color;
> >> + u32 blend_config;
> >> + u32 roi_origin;
> >> + u32 roi_size;
> >> + u32 yuv_to_rgb_coef0;
> >> + u32 yuv_to_rgb_coef1;
> >> + u32 yuv_to_rgb_coef2;
> >> + u32 yuv_to_rgb_coef3;
> >> + u32 yuv_to_rgb_coef4;
> >> + u32 yuv_to_rgb_coefd0;
> >> + u32 yuv_to_rgb_coefd1;
> >> + u32 yuv_to_rgb_coefd2;
> >> + u32 y_clamp_bound;
> >> + u32 uv_clamp_bound;
> >> + u32 rgb_to_rgb_coef0;
> >> + u32 rgb_to_rgb_coef1;
> >> + u32 rgb_to_rgb_coef2;
> >> + u32 rgb_to_rgb_coef3;
> >> + u32 rgb_to_rgb_coef4;
> >> +};
> >> +
> >> +struct dc_hw_fb {
> >> + u32 y_address;
> >> + u32 u_address;
> >> + u32 v_address;
> >> + u32 clear_value;
> >> + u32 water_mark;
> >> + u16 y_stride;
> >> + u16 u_stride;
> >> + u16 v_stride;
> >> + u16 width;
> >> + u16 height;
> >> + u8 format;
> >> + u8 tile_mode;
> >> + u8 rotation;
> >> + u8 yuv_color_space;
> >> + u8 swizzle;
> >> + u8 uv_swizzle;
> >> + u8 zpos;
> >> + u8 display_id;
> >> + bool clear_enable;
> >> + bool dec_enable;
> >> + bool enable;
> >> + bool dirty;
> >> +};
> >> +
> >> +struct dc_hw_scale {
> >> + u32 scale_factor_x;
> >> + u32 scale_factor_y;
> >> + bool enable;
> >> + bool dirty;
> >> +};
> >> +
> >> +struct dc_hw_position {
> >> + u16 start_x;
> >> + u16 start_y;
> >> + u16 end_x;
> >> + u16 end_y;
> >> + bool dirty;
> >> +};
> >> +
> >> +struct dc_hw_blend {
> >> + u8 alpha;
> >> + u8 blend_mode;
> >> + bool dirty;
> >> +};
> >> +
> >> +struct dc_hw_colorkey {
> >> + u32 colorkey;
> >> + u32 colorkey_high;
> >> + u8 transparency;
> >> + bool dirty;
> >> +};
> >> +
> >> +struct dc_hw_roi {
> >> + u16 x;
> >> + u16 y;
> >> + u16 width;
> >> + u16 height;
> >> + bool enable;
> >> + bool dirty;
> >> +};
> >> +
> >> +struct dc_hw_cursor {
> >> + u32 address;
> >> + u16 x;
> >> + u16 y;
> >> + u16 hot_x;
> >> + u16 hot_y;
> >> + u8 size;
> >> + u8 display_id;
> >> + bool enable;
> >> + bool dirty;
> >> +};
> >> +
> >> +struct dc_hw_display {
> >> + u32 bus_format;
> >> + u16 h_active;
> >> + u16 h_total;
> >> + u16 h_sync_start;
> >> + u16 h_sync_end;
> >> + u16 v_active;
> >> + u16 v_total;
> >> + u16 v_sync_start;
> >> + u16 v_sync_end;
> >> + u8 id;
> >> + bool h_sync_polarity;
> >> + bool v_sync_polarity;
> >> + bool enable;
> >> +};
> >> +
> >> +struct dc_hw_gamma {
> >> + u16 gamma[GAMMA_EX_SIZE][3];
> >> + bool enable;
> >> + bool dirty;
> >> +};
> >> +
> >> +struct dc_hw_degamma {
> >> + u16 degamma[DEGAMMA_SIZE][3];
> >> + u32 mode;
> >> + bool dirty;
> >> +};
> >> +
> >> +struct dc_hw_plane {
> >> + struct dc_hw_fb fb;
> >> + struct dc_hw_position pos;
> >> + struct dc_hw_scale scale;
> >> + struct dc_hw_blend blend;
> >> + struct dc_hw_roi roi;
> >> + struct dc_hw_colorkey colorkey;
> >> + struct dc_hw_degamma degamma;
> >> +};
> >> +
> >> +struct dc_hw_qos {
> >> + u8 low_value;
> >> + u8 high_value;
> >> + bool dirty;
> >> +};
> >> +
> >> +struct dc_hw_read {
> >> + u32 reg;
> >> + u32 value;
> >> +};
> >> +
> >> +struct dc_hw;
> >> +struct dc_hw_funcs {
> >> + void (*gamma)(struct dc_hw *hw);
> >> + void (*plane)(struct dc_hw *hw);
> >> + void (*display)(struct dc_hw *hw, struct dc_hw_display *display);
> >> +};
> >> +
> >> +struct dc_hw {
> >> + enum dc_chip_rev rev;
> >> + enum dc_hw_out out[DC_DISPLAY_NUM];
> >> + void *hi_base;
> >> + void *reg_base;
> >> +
> >> + struct dc_hw_display display[DC_DISPLAY_NUM];
> >> + struct dc_hw_gamma gamma[DC_DISPLAY_NUM];
> >> + struct dc_hw_plane plane[DC_LAYER_NUM];
> >> + struct dc_hw_cursor cursor[DC_CURSOR_NUM];
> >> + struct dc_hw_qos qos;
> >> + struct dc_hw_funcs *func;
> >> + struct vs_dc_info *info;
> >> +};
> >> +
> >> +int dc_hw_init(struct dc_hw *hw);
> >> +void dc_hw_deinit(struct dc_hw *hw);
> >> +void dc_hw_update_plane(struct dc_hw *hw, u8 id,
> >> + struct dc_hw_fb *fb, struct dc_hw_scale *scale,
> >> + struct dc_hw_position *pos, struct dc_hw_blend *blend);
> >> +void dc_hw_update_degamma(struct dc_hw *hw, u8 id, u32 mode);
> >> +void dc_hw_update_roi(struct dc_hw *hw, u8 id, struct dc_hw_roi *roi);
> >> +void dc_hw_update_colorkey(struct dc_hw *hw, u8 id,
> >> + struct dc_hw_colorkey *colorkey);
> >> +void dc_hw_update_qos(struct dc_hw *hw, struct dc_hw_qos *qos);
> >> +void dc_hw_update_cursor(struct dc_hw *hw, u8 id, struct dc_hw_cursor *cursor);
> >> +void dc_hw_update_gamma(struct dc_hw *hw, u8 id, u16 index,
> >> + u16 r, u16 g, u16 b);
> >> +void dc_hw_enable_gamma(struct dc_hw *hw, u8 id, bool enable);
> >> +void dc_hw_setup_display(struct dc_hw *hw, struct dc_hw_display *display);
> >> +void dc_hw_enable_interrupt(struct dc_hw *hw, bool enable);
> >> +u32 dc_hw_get_interrupt(struct dc_hw *hw);
> >> +bool dc_hw_check_underflow(struct dc_hw *hw);
> >> +void dc_hw_enable_shadow_register(struct dc_hw *hw, bool enable);
> >> +void dc_hw_set_out(struct dc_hw *hw, enum dc_hw_out out, u8 id);
> >> +void dc_hw_commit(struct dc_hw *hw);
> >> +
> >> +#endif /* __VS_DC_HW_H__ */
> >> diff --git a/drivers/gpu/drm/verisilicon/vs_drv.c b/drivers/gpu/drm/verisilicon/vs_drv.c
> >> index da7698c3d..3cd533cfa 100644
> >> --- a/drivers/gpu/drm/verisilicon/vs_drv.c
> >> +++ b/drivers/gpu/drm/verisilicon/vs_drv.c
> >> @@ -21,6 +21,7 @@
> >>
> >> #include "vs_drv.h"
> >> #include "vs_modeset.h"
> >> +#include "vs_dc.h"
> >>
> >> #define DRV_NAME "verisilicon"
> >> #define DRV_DESC "Verisilicon DRM driver"
> >> @@ -123,6 +124,7 @@ static const struct component_master_ops vs_drm_ops = {
> >> };
> >>
> >> static struct platform_driver *drm_sub_drivers[] = {
> >> + &dc_platform_driver,
> >>
> >> };
> >>
> >> diff --git a/drivers/gpu/drm/verisilicon/vs_plane.c b/drivers/gpu/drm/verisilicon/vs_plane.c
> >> new file mode 100644
> >> index 000000000..9bd066015
> >> --- /dev/null
> >> +++ b/drivers/gpu/drm/verisilicon/vs_plane.c
> >> @@ -0,0 +1,526 @@
> >> +// SPDX-License-Identifier: GPL-2.0
> >> +/*
> >> + * Copyright (C) 2023 VeriSilicon Holdings Co., Ltd.
> >> + */
> >> +
> >> +#include <drm/drm_atomic.h>
> >> +#include <drm/drm_atomic_helper.h>
> >> +#include <drm/drm_blend.h>
> >> +#include <drm/drm_gem_dma_helper.h>
> >> +#include <drm/drm_fb_dma_helper.h>
> >> +#include <drm/drm_framebuffer.h>
> >> +#include <drm/drm_plane.h>
> >> +#include <drm/drm_plane_helper.h>
> >> +
> >> +#include <drm/vs_drm.h>
> >> +
> >> +#include "vs_plane.h"
> >> +#include "vs_drv.h"
> >> +#include "vs_dc.h"
> >> +
> >> +static void vs_plane_reset(struct drm_plane *plane)
> >> +{
> >> + struct vs_plane_state *state;
> >> + struct vs_plane *vs_plane = to_vs_plane(plane);
> >> +
> >> + if (plane->state) {
> >> + __drm_atomic_helper_plane_destroy_state(plane->state);
> >> +
> >> + state = to_vs_plane_state(plane->state);
> >> + kfree(state);
> >> + plane->state = NULL;
> >> + }
> >> +
> >
> > Use vs_plane_destroy_state directly. This way you won't miss a refcount
> > on blobs.
> >
> >> + state = kzalloc(sizeof(*state), GFP_KERNEL);
> >> + if (!state)
> >> + return;
> >> +
> >> + state->degamma = VS_DEGAMMA_DISABLE;
> >> + state->degamma_changed = false;
> >> + state->base.zpos = vs_plane->id;
> >> + memset(&state->status, 0, sizeof(state->status));
> >> +
> >> + __drm_atomic_helper_plane_reset(plane, &state->base);
> >> +}
> >> +
> >> +static void _vs_plane_duplicate_blob(struct vs_plane_state *state,
> >> + struct vs_plane_state *ori_state)
> >> +{
> >> + state->watermark = ori_state->watermark;
> >> + state->color_mgmt = ori_state->color_mgmt;
> >> + state->roi = ori_state->roi;
> >> +
> >> + if (state->watermark)
> >> + drm_property_blob_get(state->watermark);
> >> + if (state->color_mgmt)
> >> + drm_property_blob_get(state->color_mgmt);
> >> + if (state->roi)
> >> + drm_property_blob_get(state->roi);
> >> +}
> >> +
> >> +static int
> >> +_vs_plane_set_property_blob_from_id(struct drm_device *dev,
> >> + struct drm_property_blob **blob,
> >> + u64 blob_id,
> >> + size_t expected_size)
> >> +{
> >> + struct drm_property_blob *new_blob = NULL;
> >> +
> >> + if (blob_id) {
> >> + new_blob = drm_property_lookup_blob(dev, blob_id);
> >> + if (!new_blob)
> >> + return -EINVAL;
> >> +
> >> + if (new_blob->length != expected_size) {
> >> + drm_property_blob_put(new_blob);
> >> + return -EINVAL;
> >> + }
> >> + }
> >> +
> >> + drm_property_replace_blob(blob, new_blob);
> >> + drm_property_blob_put(new_blob);
> >> +
> >> + return 0;
> >> +}
> >> +
> >> +static struct drm_plane_state *
> >> +vs_plane_atomic_duplicate_state(struct drm_plane *plane)
> >> +{
> >> + struct vs_plane_state *ori_state;
> >> + struct vs_plane_state *state;
> >> +
> >> + if (WARN_ON(!plane->state))
> >> + return NULL;
> >> +
> >> + ori_state = to_vs_plane_state(plane->state);
> >> + state = kzalloc(sizeof(*state), GFP_KERNEL);
> >> + if (!state)
> >> + return NULL;
> >> +
> >> + __drm_atomic_helper_plane_duplicate_state(plane, &state->base);
> >> +
> >> + state->degamma = ori_state->degamma;
> >> + state->degamma_changed = ori_state->degamma_changed;
> >> +
> >> + _vs_plane_duplicate_blob(state, ori_state);
> >> + memcpy(&state->status, &ori_state->status, sizeof(ori_state->status));
> >> +
> >> + return &state->base;
> >> +}
> >> +
> >> +static void vs_plane_atomic_destroy_state(struct drm_plane *plane,
> >> + struct drm_plane_state *state)
> >> +{
> >> + struct vs_plane_state *vs_plane_state = to_vs_plane_state(state);
> >> +
> >> + __drm_atomic_helper_plane_destroy_state(state);
> >> +
> >> + drm_property_blob_put(vs_plane_state->watermark);
> >> + drm_property_blob_put(vs_plane_state->color_mgmt);
> >> + drm_property_blob_put(vs_plane_state->roi);
> >> + kfree(vs_plane_state);
> >> +}
> >> +
> >> +static int vs_plane_atomic_set_property(struct drm_plane *plane,
> >> + struct drm_plane_state *state,
> >> + struct drm_property *property,
> >> + uint64_t val)
> >> +{
> >> + struct drm_device *dev = plane->dev;
> >> + struct vs_plane *vs_plane = to_vs_plane(plane);
> >> + struct vs_plane_state *vs_plane_state = to_vs_plane_state(state);
> >> + int ret = 0;
> >> +
> >> + if (property == vs_plane->degamma_mode) {
> >> + if (vs_plane_state->degamma != val) {
> >> + vs_plane_state->degamma = val;
> >> + vs_plane_state->degamma_changed = true;
> >> + } else {
> >> + vs_plane_state->degamma_changed = false;
> >> + }
> >> + } else if (property == vs_plane->watermark_prop) {
> >> + ret = _vs_plane_set_property_blob_from_id(dev,
> >> + &vs_plane_state->watermark,
> >> + val,
> >> + sizeof(struct drm_vs_watermark));
> >> + return ret;
> >> + } else if (property == vs_plane->color_mgmt_prop) {
> >> + ret = _vs_plane_set_property_blob_from_id(dev,
> >> + &vs_plane_state->color_mgmt,
> >> + val,
> >> + sizeof(struct drm_vs_color_mgmt));
> >> + return ret;
> >> + } else if (property == vs_plane->roi_prop) {
> >> + ret = _vs_plane_set_property_blob_from_id(dev,
> >> + &vs_plane_state->roi,
> >> + val,
> >> + sizeof(struct drm_vs_roi));
> >> + return ret;
> >> + } else {
> >> + return -EINVAL;
> >> + }
> >> +
> >> + return 0;
> >> +}
> >> +
> >> +static int vs_plane_atomic_get_property(struct drm_plane *plane,
> >> + const struct drm_plane_state *state,
> >> + struct drm_property *property,
> >> + uint64_t *val)
> >> +{
> >> + struct vs_plane *vs_plane = to_vs_plane(plane);
> >> + const struct vs_plane_state *vs_plane_state =
> >> + container_of(state, const struct vs_plane_state, base);
> >> +
> >> + if (property == vs_plane->degamma_mode)
> >> + *val = vs_plane_state->degamma;
> >> + else if (property == vs_plane->watermark_prop)
> >> + *val = (vs_plane_state->watermark) ?
> >> + vs_plane_state->watermark->base.id : 0;
> >> + else if (property == vs_plane->color_mgmt_prop)
> >> + *val = (vs_plane_state->color_mgmt) ?
> >> + vs_plane_state->color_mgmt->base.id : 0;
> >
> > degamma and color management should use standard properties.
> >
> >> + else if (property == vs_plane->roi_prop)
> >> + *val = (vs_plane_state->roi) ?
> >> + vs_plane_state->roi->base.id : 0;
> >> + else
> >> + return -EINVAL;
> >> +
> >> + return 0;
> >> +}
> >> +
> >> +static bool vs_format_mod_supported(struct drm_plane *plane,
> >> + u32 format,
> >> + u64 modifier)
> >> +{
> >> + int i;
> >> +
> >> + /* We always have to allow these modifiers:
> >> + * 1. Core DRM checks for LINEAR support if userspace does not provide modifiers.
> >> + * 2. Not passing any modifiers is the same as explicitly passing INVALID.
> >> + */
> >> + if (modifier == DRM_FORMAT_MOD_LINEAR)
> >> + return true;
> >> +
> >> + /* Check that the modifier is on the list of the plane's supported modifiers. */
> >> + for (i = 0; i < plane->modifier_count; i++) {
> >> + if (modifier == plane->modifiers[i])
> >> + break;
> >> + }
> >> +
> >> + if (i == plane->modifier_count)
> >> + return false;
> >> +
> >> + return true;
> >> +}
> >> +
> >> +const struct drm_plane_funcs vs_plane_funcs = {
> >> + .update_plane = drm_atomic_helper_update_plane,
> >> + .disable_plane = drm_atomic_helper_disable_plane,
> >> + .reset = vs_plane_reset,
> >> + .atomic_duplicate_state = vs_plane_atomic_duplicate_state,
> >> + .atomic_destroy_state = vs_plane_atomic_destroy_state,
> >> + .atomic_set_property = vs_plane_atomic_set_property,
> >> + .atomic_get_property = vs_plane_atomic_get_property,
> >> + .format_mod_supported = vs_format_mod_supported,
> >> +};
> >> +
> >> +static unsigned char vs_get_plane_number(struct drm_framebuffer *fb)
> >> +{
> >> + const struct drm_format_info *info;
> >> +
> >> + if (!fb)
> >> + return 0;
> >> +
> >> + info = drm_format_info(fb->format->format);
> >> + if (!info || info->num_planes > DRM_FORMAT_MAX_PLANES)
> >> + return 0;
> >> +
> >> + return info->num_planes;
> >> +}
> >> +
> >> +static int vs_plane_atomic_check(struct drm_plane *plane,
> >> + struct drm_atomic_state *state)
> >> +{
> >> + struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
> >> + plane);
> >> + unsigned char i, num_planes;
> >> + struct drm_framebuffer *fb = new_plane_state->fb;
> >> + struct drm_crtc *crtc = new_plane_state->crtc;
> >> + struct vs_crtc *vs_crtc = to_vs_crtc(crtc);
> >> + struct vs_dc *dc = dev_get_drvdata(vs_crtc->dev);
> >> + struct vs_plane_state *plane_state = to_vs_plane_state(new_plane_state);
> >> +
> >> + if (!crtc || !fb)
> >> + return 0;
> >> +
> >> + num_planes = vs_get_plane_number(fb);
> >> +
> >> + for (i = 0; i < num_planes; i++) {
> >> + dma_addr_t dma_addr;
> >> +
> >> + dma_addr = drm_fb_dma_get_gem_addr(fb, new_plane_state, i);
> >> + plane_state->dma_addr[i] = dma_addr;
> >> + }
> >> +
> >> + return vs_dc_check_plane(dc, plane, state);
> >> +}
> >> +
> >> +static int vs_cursor_plane_atomic_check(struct drm_plane *plane,
> >> + struct drm_atomic_state *state)
> >> +{
> >> + struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
> >> + plane);
> >> + unsigned char i, num_planes;
> >> + struct drm_framebuffer *fb = new_plane_state->fb;
> >> + struct drm_crtc *crtc = new_plane_state->crtc;
> >> + struct vs_crtc *vs_crtc = to_vs_crtc(crtc);
> >> + struct vs_dc *dc = dev_get_drvdata(vs_crtc->dev);
> >> + struct vs_plane_state *plane_state = to_vs_plane_state(new_plane_state);
> >> +
> >> + if (!crtc || !fb)
> >> + return 0;
> >> +
> >> + num_planes = vs_get_plane_number(fb);
> >> +
> >> + for (i = 0; i < num_planes; i++) {
> >> + dma_addr_t dma_addr;
> >> +
> >> + dma_addr = drm_fb_dma_get_gem_addr(fb, new_plane_state, i);
> >> + plane_state->dma_addr[i] = dma_addr;
> >> + }
> >> +
> >> + return vs_dc_check_cursor_plane(dc, plane, state);
> >> +}
> >> +
> >> +static void vs_plane_atomic_update(struct drm_plane *plane,
> >> + struct drm_atomic_state *state)
> >> +{
> >> + struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
> >> + plane);
> >
> > New line after the equal sign will be better.
> >
> >> + struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
> >> + plane);
> >> +
> >> + unsigned char i, num_planes;
> >> + struct drm_framebuffer *fb;
> >> + struct vs_plane *vs_plane = to_vs_plane(plane);
> >> + struct vs_crtc *vs_crtc = to_vs_crtc(new_state->crtc);
> >> + struct vs_plane_state *plane_state = to_vs_plane_state(new_state);
> >> + struct vs_dc *dc = dev_get_drvdata(vs_crtc->dev);
> >> +
> >> + if (!new_state->fb || !new_state->crtc)
> >> + return;
> >
> > if (!new_state->visible) ?
> >
> >> +
> >> + fb = new_state->fb;
> >> +
> >> + drm_fb_dma_sync_non_coherent(fb->dev, old_state, new_state);
> >> +
> >> + num_planes = vs_get_plane_number(fb);
> >> +
> >> + for (i = 0; i < num_planes; i++) {
> >> + dma_addr_t dma_addr;
> >> +
> >> + dma_addr = drm_fb_dma_get_gem_addr(fb, new_state, i);
> >> + plane_state->dma_addr[i] = dma_addr;
> >> + }
> >> +
> >> + plane_state->status.src = drm_plane_state_src(new_state);
> >> + plane_state->status.dest = drm_plane_state_dest(new_state);
> >> +
> >> + vs_dc_update_plane(dc, vs_plane, plane, state);
> >> +}
> >> +
> >> +static void vs_cursor_plane_atomic_update(struct drm_plane *plane,
> >> + struct drm_atomic_state *state)
> >> +{
> >> + struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
> >> + plane);
> >> + struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
> >> + plane);
> >> + unsigned char i, num_planes;
> >> + struct drm_framebuffer *fb;
> >> + struct vs_plane *vs_plane = to_vs_plane(plane);
> >> + struct vs_crtc *vs_crtc = to_vs_crtc(new_state->crtc);
> >> + struct vs_plane_state *plane_state = to_vs_plane_state(new_state);
> >> + struct vs_dc *dc = dev_get_drvdata(vs_crtc->dev);
> >> +
> >> + if (!new_state->fb || !new_state->crtc)
> >
> > and here.
> >
> >> + return;
> >> +
> >> + fb = new_state->fb;
> >> + drm_fb_dma_sync_non_coherent(fb->dev, old_state, new_state);
> >> +
> >> + num_planes = vs_get_plane_number(fb);
> >> +
> >> + for (i = 0; i < num_planes; i++) {
> >> + dma_addr_t dma_addr;
> >> +
> >> + dma_addr = drm_fb_dma_get_gem_addr(fb, new_state, i);
> >> + plane_state->dma_addr[i] = dma_addr;
> >> + }
> >> +
> >> + plane_state->status.src = drm_plane_state_src(new_state);
> >> + plane_state->status.dest = drm_plane_state_dest(new_state);
> >> +
> >> + vs_dc_update_cursor_plane(dc, vs_plane, plane, state);
> >> +}
> >> +
> >> +static void vs_plane_atomic_disable(struct drm_plane *plane,
> >> + struct drm_atomic_state *state)
> >> +{
> >> + struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
> >> + plane);
> >> + struct vs_plane *vs_plane = to_vs_plane(plane);
> >> + struct vs_crtc *vs_crtc = to_vs_crtc(old_state->crtc);
> >> + struct vs_dc *dc = dev_get_drvdata(vs_crtc->dev);
> >> +
> >> + vs_dc_disable_plane(dc, vs_plane, old_state);
> >> +}
> >> +
> >> +static void vs_cursor_plane_atomic_disable(struct drm_plane *plane,
> >> + struct drm_atomic_state *state)
> >> +{
> >> + struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
> >> + plane);
> >> + struct vs_plane *vs_plane = to_vs_plane(plane);
> >> + struct vs_crtc *vs_crtc = to_vs_crtc(old_state->crtc);
> >> + struct vs_dc *dc = dev_get_drvdata(vs_crtc->dev);
> >> +
> >> + vs_dc_disable_cursor_plane(dc, vs_plane, old_state);
> >> +}
> >> +
> >> +const struct drm_plane_helper_funcs primary_plane_helpers = {
> >> + .atomic_check = vs_plane_atomic_check,
> >> + .atomic_update = vs_plane_atomic_update,
> >> + .atomic_disable = vs_plane_atomic_disable,
> >> +};
> >> +
> >> +const struct drm_plane_helper_funcs overlay_plane_helpers = {
> >> + .atomic_check = vs_plane_atomic_check,
> >> + .atomic_update = vs_plane_atomic_update,
> >> + .atomic_disable = vs_plane_atomic_disable,
> >> +};
> >> +
> >> +const struct drm_plane_helper_funcs cursor_plane_helpers = {
> >> + .atomic_check = vs_cursor_plane_atomic_check,
> >> + .atomic_update = vs_cursor_plane_atomic_update,
> >> + .atomic_disable = vs_cursor_plane_atomic_disable,
> >> +};
> >> +
> >> +static const struct drm_prop_enum_list vs_degamma_mode_enum_list[] = {
> >> + { VS_DEGAMMA_DISABLE, "disabled" },
> >> + { VS_DEGAMMA_BT709, "preset degamma for BT709" },
> >> + { VS_DEGAMMA_BT2020, "preset degamma for BT2020" },
> >> +};
> >> +
> >> +struct vs_plane *vs_plane_create(struct drm_device *drm_dev,
> >> + struct vs_plane_info *info,
> >> + unsigned int layer_num,
> >> + unsigned int possible_crtcs)
> >> +{
> >> + struct vs_plane *plane;
> >> + int ret;
> >> +
> >> + if (!info)
> >> + return NULL;
> >> +
> >> + plane = drmm_universal_plane_alloc(drm_dev, struct vs_plane, base,
> >> + possible_crtcs,
> >> + &vs_plane_funcs,
> >> + info->formats, info->num_formats,
> >> + info->modifiers, info->type,
> >> + info->name ? info->name : NULL);
> >> + if (IS_ERR(plane))
> >> + return ERR_CAST(plane);
> >> +
> >> + if (info->type == DRM_PLANE_TYPE_PRIMARY)
> >> + drm_plane_helper_add(&plane->base, &primary_plane_helpers);
> >> + else if (info->type == DRM_PLANE_TYPE_CURSOR)
> >> + drm_plane_helper_add(&plane->base, &cursor_plane_helpers);
> >> + else
> >> + drm_plane_helper_add(&plane->base, &overlay_plane_helpers);
> >> +
> >> + /* Set up the plane properties */
> >> + if (info->degamma_size) {
> >> + plane->degamma_mode =
> >> + drm_property_create_enum(drm_dev, 0,
> >> + "DEGAMMA_MODE",
> >> + vs_degamma_mode_enum_list,
> >> + ARRAY_SIZE(vs_degamma_mode_enum_list));
> >> +
> >> + if (!plane->degamma_mode)
> >> + return NULL;
> >> +
> >> + drm_object_attach_property(&plane->base.base,
> >> + plane->degamma_mode,
> >> + VS_DEGAMMA_DISABLE);
> >> + }
> >> +
> >> + if (info->rotation) {
> >> + ret = drm_plane_create_rotation_property(&plane->base,
> >> + DRM_MODE_ROTATE_0,
> >> + info->rotation);
> >> + if (ret)
> >> + return NULL;
> >> + }
> >> +
> >> + if (info->blend_mode) {
> >> + ret = drm_plane_create_blend_mode_property(&plane->base,
> >> + info->blend_mode);
> >> + if (ret)
> >> + return NULL;
> >> + ret = drm_plane_create_alpha_property(&plane->base);
> >> + if (ret)
> >> + return NULL;
> >> + }
> >> +
> >> + if (info->color_encoding) {
> >> + ret = drm_plane_create_color_properties(&plane->base,
> >> + info->color_encoding,
> >> + BIT(DRM_COLOR_YCBCR_LIMITED_RANGE),
> >> + DRM_COLOR_YCBCR_BT709,
> >> + DRM_COLOR_YCBCR_LIMITED_RANGE);
> >> + if (ret)
> >> + return NULL;
> >> + }
> >> +
> >> + if (info->zpos != 255) {
> >> + ret = drm_plane_create_zpos_property(&plane->base, info->zpos, 0,
> >> + layer_num - 1);
> >> + if (ret)
> >> + return NULL;
> >> + } else {
> >> + ret = drm_plane_create_zpos_immutable_property(&plane->base,
> >> + info->zpos);
> >> + if (ret)
> >> + return NULL;
> >> + }
> >> +
> >> + if (info->watermark) {
> >> + plane->watermark_prop = drm_property_create(drm_dev, DRM_MODE_PROP_BLOB,
> >> + "WATERMARK", 0);
> >> + if (!plane->watermark_prop)
> >> + return NULL;
> >> + drm_object_attach_property(&plane->base.base, plane->watermark_prop, 0);
> >> + }
> >> +
> >> + if (info->color_mgmt) {
> >> + plane->color_mgmt_prop = drm_property_create(drm_dev, DRM_MODE_PROP_BLOB,
> >> + "COLOR_CONFIG", 0);
> >> + if (!plane->color_mgmt_prop)
> >> + return NULL;
> >> +
> >> + drm_object_attach_property(&plane->base.base, plane->color_mgmt_prop, 0);
> >> + }
> >> +
> >> + if (info->roi) {
> >> + plane->roi_prop = drm_property_create(drm_dev, DRM_MODE_PROP_BLOB,
> >> + "ROI", 0);
> >> + if (!plane->roi_prop)
> >> + return NULL;
> >> +
> >> + drm_object_attach_property(&plane->base.base, plane->roi_prop, 0);
> >> + }
> >> +
> >> + return plane;
> >> +}
> >> diff --git a/drivers/gpu/drm/verisilicon/vs_plane.h b/drivers/gpu/drm/verisilicon/vs_plane.h
> >> new file mode 100644
> >> index 000000000..554b74e96
> >> --- /dev/null
> >> +++ b/drivers/gpu/drm/verisilicon/vs_plane.h
> >> @@ -0,0 +1,58 @@
> >> +/* SPDX-License-Identifier: GPL-2.0 */
> >> +/*
> >> + * Copyright (C) 2023 VeriSilicon Holdings Co., Ltd.
> >> + */
> >> +
> >> +#ifndef __VS_PLANE_H__
> >> +#define __VS_PLANE_H__
> >> +
> >> +#include <drm/drm_fourcc.h>
> >> +#include <drm/drm_plane_helper.h>
> >> +
> >> +#include "vs_type.h"
> >> +
> >> +struct vs_plane_status {
> >> + u32 tile_mode;
> >> + struct drm_rect src;
> >> + struct drm_rect dest;
> >> +};
> >> +
> >> +struct vs_plane_state {
> >> + struct drm_plane_state base;
> >> + struct vs_plane_status status; /* for debugfs */
> >> +
> >> + struct drm_property_blob *watermark;
> >> + struct drm_property_blob *color_mgmt;
> >> + struct drm_property_blob *roi;
> >> + dma_addr_t dma_addr[DRM_FORMAT_MAX_PLANES];
> >> +
> >> + u32 degamma;
> >> + bool degamma_changed;
> >> +};
> >> +
> >> +struct vs_plane {
> >> + struct drm_plane base;
> >> + u8 id;
> >> +
> >> + struct drm_property *degamma_mode;
> >> + struct drm_property *watermark_prop;
> >> + struct drm_property *color_mgmt_prop;
> >> + struct drm_property *roi_prop;
> >> +};
> >> +
> >> +struct vs_plane *vs_plane_create(struct drm_device *drm_dev,
> >> + struct vs_plane_info *info,
> >> + unsigned int layer_num,
> >> + unsigned int possible_crtcs);
> >> +
> >> +static inline struct vs_plane *to_vs_plane(struct drm_plane *plane)
> >> +{
> >> + return container_of(plane, struct vs_plane, base);
> >> +}
> >> +
> >> +static inline struct vs_plane_state *
> >> +to_vs_plane_state(struct drm_plane_state *state)
> >> +{
> >> + return container_of(state, struct vs_plane_state, base);
> >> +}
> >> +#endif /* __VS_PLANE_H__ */
> >> diff --git a/drivers/gpu/drm/verisilicon/vs_type.h b/drivers/gpu/drm/verisilicon/vs_type.h
> >> new file mode 100644
> >> index 000000000..7d3378e29
> >> --- /dev/null
> >> +++ b/drivers/gpu/drm/verisilicon/vs_type.h
> >> @@ -0,0 +1,69 @@
> >> +/* SPDX-License-Identifier: GPL-2.0 */
> >> +/*
> >> + * Copyright (C) 2023 VeriSilicon Holdings Co., Ltd.
> >> + */
> >> +
> >> +#ifndef __VS_TYPE_H__
> >> +#define __VS_TYPE_H__
> >> +
> >> +#include <drm/drm_plane.h>
> >> +#include <drm/drm_plane_helper.h>
> >> +
> >> +struct vs_plane_info {
> >> + const char *name;
> >> + u8 id;
> >> + enum drm_plane_type type;
> >> + unsigned int num_formats;
> >> + const u32 *formats;
> >> + u8 num_modifiers;
> >> + const u64 *modifiers;
> >> + unsigned int min_width;
> >> + unsigned int min_height;
> >> + unsigned int max_width;
> >> + unsigned int max_height;
> >> + unsigned int rotation;
> >> + unsigned int blend_mode;
> >> + unsigned int color_encoding;
> >> +
> >> + /* 0 means no de-gamma LUT */
> >> + unsigned int degamma_size;
> >> +
> >> + int min_scale; /* 16.16 fixed point */
> >> + int max_scale; /* 16.16 fixed point */
> >> +
> >> + /* default zorder value,
> >> + * and 255 means unsupported zorder capability
> >> + */
> >> + u8 zpos;
> >> +
> >> + bool watermark;
> >> + bool color_mgmt;
> >> + bool roi;
> >> +};
> >> +
> >> +struct vs_dc_info {
> >> + const char *name;
> >> +
> >> + u8 panel_num;
> >> +
> >> + /* planes */
> >> + u8 plane_num;
> >> + const struct vs_plane_info *planes;
> >> +
> >> + u8 layer_num;
> >> + unsigned int max_bpc;
> >> + unsigned int color_formats;
> >> +
> >> + /* 0 means no gamma LUT */
> >> + u16 gamma_size;
> >> + u8 gamma_bits;
> >> +
> >> + u16 pitch_alignment;
> >> +
> >> + bool pipe_sync;
> >> + bool background;
> >> + bool panel_sync;
> >> + bool cap_dec;
> >> +};
> >> +
> >> +#endif /* __VS_TYPE_H__ */
> >

--
With best wishes
Dmitry

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