Re: [PATCH v7 2/2] drm/msm/disp/dpu1: add inline rotation support for sc7280

From: Dmitry Baryshkov
Date: Tue Apr 05 2022 - 18:49:13 EST

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In reply to: Vinod Polimera: "[PATCH v7 2/2] drm/msm/disp/dpu1: add inline rotation support for sc7280"
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On Tue, 5 Apr 2022 at 16:41, Vinod Polimera <quic_vpolimer@xxxxxxxxxxx> wrote:
>
> - Some DPU versions support inline rot90. It is supported only for
> limited amount of UBWC formats.
> - There are two versions of inline rotators, v1 (present on sm8250 and
> sm7250) and v2 (sc7280). These versions differ in the list of supported
> formats and in the scaler possibilities.
>
> Co-developed-by: Kalyan Thota <quic_kalyant@xxxxxxxxxxx>
> Signed-off-by: Kalyan Thota <quic_kalyant@xxxxxxxxxxx>
> Signed-off-by: Vinod Polimera <quic_vpolimer@xxxxxxxxxxx>

Few minor comments below. Otherwise it looks really good now.

> ---
> drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 173 +++++++++++++++----------
> drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h | 16 +++
> drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 129 ++++++++++++++----
> drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h | 2 +
> 4 files changed, 226 insertions(+), 94 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> index a4fe77c..65ce505 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> @@ -35,6 +35,9 @@
> BIT(DPU_SSPP_TS_PREFILL) | BIT(DPU_SSPP_TS_PREFILL_REC1) |\
> BIT(DPU_SSPP_CDP) | BIT(DPU_SSPP_EXCL_RECT))
>
> +#define VIG_SC7280_MASK \
> + (VIG_SC7180_MASK | BIT(DPU_SSPP_INLINE_ROTATION))
> +
> #define DMA_SDM845_MASK \
> (BIT(DPU_SSPP_SRC) | BIT(DPU_SSPP_QOS) | BIT(DPU_SSPP_QOS_8LVL) |\
> BIT(DPU_SSPP_TS_PREFILL) | BIT(DPU_SSPP_TS_PREFILL_REC1) |\
> @@ -203,6 +206,11 @@ static const uint32_t plane_formats_yuv[] = {
> DRM_FORMAT_YVU420,
> };
>
> +static const u32 rotation_v2_formats[] = {
> + DRM_FORMAT_NV12,
> + /* TODO add formats after validation */
> +};
> +
> /*************************************************************
> * DPU sub blocks config
> *************************************************************/
> @@ -642,7 +650,6 @@ static const struct dpu_ctl_cfg qcm2290_ctl[] = {
> *************************************************************/
>
> /* SSPP common configuration */
> -
> #define _VIG_SBLK(num, sdma_pri, qseed_ver) \
> { \
> .maxdwnscale = MAX_DOWNSCALE_RATIO, \
> @@ -660,6 +667,27 @@ static const struct dpu_ctl_cfg qcm2290_ctl[] = {
> .num_formats = ARRAY_SIZE(plane_formats_yuv), \
> .virt_format_list = plane_formats, \
> .virt_num_formats = ARRAY_SIZE(plane_formats), \
> + .rotation_cfg = NULL, \
> + }
> +
> +#define _VIG_SBLK_ROT(num, sdma_pri, qseed_ver, rot_cfg) \
> + { \
> + .maxdwnscale = MAX_DOWNSCALE_RATIO, \
> + .maxupscale = MAX_UPSCALE_RATIO, \
> + .smart_dma_priority = sdma_pri, \
> + .src_blk = {.name = STRCAT("sspp_src_", num), \
> + .id = DPU_SSPP_SRC, .base = 0x00, .len = 0x150,}, \
> + .scaler_blk = {.name = STRCAT("sspp_scaler", num), \
> + .id = qseed_ver, \
> + .base = 0xa00, .len = 0xa0,}, \
> + .csc_blk = {.name = STRCAT("sspp_csc", num), \
> + .id = DPU_SSPP_CSC_10BIT, \
> + .base = 0x1a00, .len = 0x100,}, \
> + .format_list = plane_formats_yuv, \
> + .num_formats = ARRAY_SIZE(plane_formats_yuv), \
> + .virt_format_list = plane_formats, \
> + .virt_num_formats = ARRAY_SIZE(plane_formats), \
> + .rotation_cfg = rot_cfg, \
> }
>
> #define _DMA_SBLK(num, sdma_pri) \
> @@ -684,6 +712,12 @@ static const struct dpu_sspp_sub_blks msm8998_vig_sblk_2 =
> static const struct dpu_sspp_sub_blks msm8998_vig_sblk_3 =
> _VIG_SBLK("3", 0, DPU_SSPP_SCALER_QSEED3);
>
> +static const struct dpu_rotation_cfg dpu_rot_sc7280_cfg_v2 = {
> + .rot_maxheight = 1088,
> + .rot_num_formats = ARRAY_SIZE(rotation_v2_formats),
> + .rot_format_list = rotation_v2_formats,
> +};
> +
> static const struct dpu_sspp_sub_blks sdm845_vig_sblk_0 =
> _VIG_SBLK("0", 5, DPU_SSPP_SCALER_QSEED3);
> static const struct dpu_sspp_sub_blks sdm845_vig_sblk_1 =
> @@ -707,59 +741,62 @@ static const struct dpu_sspp_sub_blks sdm845_dma_sblk_3 = _DMA_SBLK("11", 4);
> .sblk = &_sblk, \
> .xin_id = _xinid, \
> .type = _type, \
> - .clk_ctrl = _clkctrl \
> + .clk_ctrl = _clkctrl, \

You don't need this change. And also you don't need to change SSPP_BLK
lines that follow. Could you please drop these changes and resend?

The only chunk in this part that you really need is the addition of
sc7280_vig_sblk_0.

> }
>
> static const struct dpu_sspp_cfg msm8998_sspp[] = {
> - SSPP_BLK("sspp_0", SSPP_VIG0, 0x4000, VIG_MSM8998_MASK,
> - msm8998_vig_sblk_0, 0, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG0),
> - SSPP_BLK("sspp_1", SSPP_VIG1, 0x6000, VIG_MSM8998_MASK,
> - msm8998_vig_sblk_1, 4, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG1),
> - SSPP_BLK("sspp_2", SSPP_VIG2, 0x8000, VIG_MSM8998_MASK,
> - msm8998_vig_sblk_2, 8, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG2),
> - SSPP_BLK("sspp_3", SSPP_VIG3, 0xa000, VIG_MSM8998_MASK,
> - msm8998_vig_sblk_3, 12, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG3),
> - SSPP_BLK("sspp_8", SSPP_DMA0, 0x24000, DMA_MSM8998_MASK,
> - sdm845_dma_sblk_0, 1, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA0),
> - SSPP_BLK("sspp_9", SSPP_DMA1, 0x26000, DMA_MSM8998_MASK,
> - sdm845_dma_sblk_1, 5, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA1),
> - SSPP_BLK("sspp_10", SSPP_DMA2, 0x28000, DMA_CURSOR_MSM8998_MASK,
> - sdm845_dma_sblk_2, 9, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR0),
> - SSPP_BLK("sspp_11", SSPP_DMA3, 0x2a000, DMA_CURSOR_MSM8998_MASK,
> - sdm845_dma_sblk_3, 13, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR1),
> + SSPP_BLK("sspp_0", SSPP_VIG0, 0x4000, VIG_MSM8998_MASK, msm8998_vig_sblk_0,
> + 0, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG0),
> + SSPP_BLK("sspp_1", SSPP_VIG1, 0x6000, VIG_MSM8998_MASK, msm8998_vig_sblk_1,
> + 4, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG1),
> + SSPP_BLK("sspp_2", SSPP_VIG2, 0x8000, VIG_MSM8998_MASK, msm8998_vig_sblk_2,
> + 8, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG2),
> + SSPP_BLK("sspp_3", SSPP_VIG3, 0xa000, VIG_MSM8998_MASK, msm8998_vig_sblk_3,
> + 12, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG3),
> + SSPP_BLK("sspp_8", SSPP_DMA0, 0x24000, DMA_MSM8998_MASK, sdm845_dma_sblk_0,
> + 1, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA0),
> + SSPP_BLK("sspp_9", SSPP_DMA1, 0x26000, DMA_MSM8998_MASK, sdm845_dma_sblk_1,
> + 5, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA1),
> + SSPP_BLK("sspp_10", SSPP_DMA2, 0x28000, DMA_CURSOR_MSM8998_MASK, sdm845_dma_sblk_2,
> + 9, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR0),
> + SSPP_BLK("sspp_11", SSPP_DMA3, 0x2a000, DMA_CURSOR_MSM8998_MASK, sdm845_dma_sblk_3,
> + 13, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR1),
> };
>
> static const struct dpu_sspp_cfg sdm845_sspp[] = {
> - SSPP_BLK("sspp_0", SSPP_VIG0, 0x4000, VIG_SDM845_MASK,
> - sdm845_vig_sblk_0, 0, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG0),
> - SSPP_BLK("sspp_1", SSPP_VIG1, 0x6000, VIG_SDM845_MASK,
> - sdm845_vig_sblk_1, 4, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG1),
> - SSPP_BLK("sspp_2", SSPP_VIG2, 0x8000, VIG_SDM845_MASK,
> - sdm845_vig_sblk_2, 8, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG2),
> - SSPP_BLK("sspp_3", SSPP_VIG3, 0xa000, VIG_SDM845_MASK,
> - sdm845_vig_sblk_3, 12, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG3),
> - SSPP_BLK("sspp_8", SSPP_DMA0, 0x24000, DMA_SDM845_MASK,
> - sdm845_dma_sblk_0, 1, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA0),
> - SSPP_BLK("sspp_9", SSPP_DMA1, 0x26000, DMA_SDM845_MASK,
> - sdm845_dma_sblk_1, 5, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA1),
> - SSPP_BLK("sspp_10", SSPP_DMA2, 0x28000, DMA_CURSOR_SDM845_MASK,
> - sdm845_dma_sblk_2, 9, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR0),
> - SSPP_BLK("sspp_11", SSPP_DMA3, 0x2a000, DMA_CURSOR_SDM845_MASK,
> - sdm845_dma_sblk_3, 13, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR1),
> + SSPP_BLK("sspp_0", SSPP_VIG0, 0x4000, VIG_SDM845_MASK, sdm845_vig_sblk_0,
> + 0, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG0),
> + SSPP_BLK("sspp_1", SSPP_VIG1, 0x6000, VIG_SDM845_MASK, sdm845_vig_sblk_1,
> + 4, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG1),
> + SSPP_BLK("sspp_2", SSPP_VIG2, 0x8000, VIG_SDM845_MASK, sdm845_vig_sblk_2,
> + 8, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG2),
> + SSPP_BLK("sspp_3", SSPP_VIG3, 0xa000, VIG_SDM845_MASK, sdm845_vig_sblk_3,
> + 12, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG3),
> + SSPP_BLK("sspp_8", SSPP_DMA0, 0x24000, DMA_SDM845_MASK, sdm845_dma_sblk_0,
> + 1, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA0),
> + SSPP_BLK("sspp_9", SSPP_DMA1, 0x26000, DMA_SDM845_MASK, sdm845_dma_sblk_1,
> + 5, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA1),
> + SSPP_BLK("sspp_10", SSPP_DMA2, 0x28000, DMA_CURSOR_SDM845_MASK, sdm845_dma_sblk_2,
> + 9, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR0),
> + SSPP_BLK("sspp_11", SSPP_DMA3, 0x2a000, DMA_CURSOR_SDM845_MASK, sdm845_dma_sblk_3,
> + 13, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR1),
> };
>
> static const struct dpu_sspp_sub_blks sc7180_vig_sblk_0 =
> _VIG_SBLK("0", 4, DPU_SSPP_SCALER_QSEED4);
>
> +static const struct dpu_sspp_sub_blks sc7280_vig_sblk_0 =
> + _VIG_SBLK_ROT("0", 4, DPU_SSPP_SCALER_QSEED4, &dpu_rot_sc7280_cfg_v2);
> +
> static const struct dpu_sspp_cfg sc7180_sspp[] = {
> - SSPP_BLK("sspp_0", SSPP_VIG0, 0x4000, VIG_SC7180_MASK,
> - sc7180_vig_sblk_0, 0, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG0),
> - SSPP_BLK("sspp_8", SSPP_DMA0, 0x24000, DMA_SDM845_MASK,
> - sdm845_dma_sblk_0, 1, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA0),
> - SSPP_BLK("sspp_9", SSPP_DMA1, 0x26000, DMA_CURSOR_SDM845_MASK,
> - sdm845_dma_sblk_1, 5, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR0),
> - SSPP_BLK("sspp_10", SSPP_DMA2, 0x28000, DMA_CURSOR_SDM845_MASK,
> - sdm845_dma_sblk_2, 9, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR1),
> + SSPP_BLK("sspp_0", SSPP_VIG0, 0x4000, VIG_SC7180_MASK, sc7180_vig_sblk_0,
> + 0, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG0),
> + SSPP_BLK("sspp_8", SSPP_DMA0, 0x24000, DMA_SDM845_MASK, sdm845_dma_sblk_0,
> + 1, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA0),
> + SSPP_BLK("sspp_9", SSPP_DMA1, 0x26000, DMA_CURSOR_SDM845_MASK, sdm845_dma_sblk_1,
> + 5, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR0),
> + SSPP_BLK("sspp_10", SSPP_DMA2, 0x28000, DMA_CURSOR_SDM845_MASK, sdm845_dma_sblk_2,
> + 9, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR1),
> };
>
> static const struct dpu_sspp_sub_blks sm8250_vig_sblk_0 =
> @@ -772,33 +809,33 @@ static const struct dpu_sspp_sub_blks sm8250_vig_sblk_3 =
> _VIG_SBLK("3", 8, DPU_SSPP_SCALER_QSEED3LITE);
>
> static const struct dpu_sspp_cfg sm8250_sspp[] = {
> - SSPP_BLK("sspp_0", SSPP_VIG0, 0x4000, VIG_SM8250_MASK,
> - sm8250_vig_sblk_0, 0, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG0),
> - SSPP_BLK("sspp_1", SSPP_VIG1, 0x6000, VIG_SM8250_MASK,
> - sm8250_vig_sblk_1, 4, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG1),
> - SSPP_BLK("sspp_2", SSPP_VIG2, 0x8000, VIG_SM8250_MASK,
> - sm8250_vig_sblk_2, 8, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG2),
> - SSPP_BLK("sspp_3", SSPP_VIG3, 0xa000, VIG_SM8250_MASK,
> - sm8250_vig_sblk_3, 12, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG3),
> - SSPP_BLK("sspp_8", SSPP_DMA0, 0x24000, DMA_SDM845_MASK,
> - sdm845_dma_sblk_0, 1, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA0),
> - SSPP_BLK("sspp_9", SSPP_DMA1, 0x26000, DMA_SDM845_MASK,
> - sdm845_dma_sblk_1, 5, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA1),
> - SSPP_BLK("sspp_10", SSPP_DMA2, 0x28000, DMA_CURSOR_SDM845_MASK,
> - sdm845_dma_sblk_2, 9, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR0),
> - SSPP_BLK("sspp_11", SSPP_DMA3, 0x2a000, DMA_CURSOR_SDM845_MASK,
> - sdm845_dma_sblk_3, 13, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR1),
> + SSPP_BLK("sspp_0", SSPP_VIG0, 0x4000, VIG_SM8250_MASK, sm8250_vig_sblk_0,
> + 0, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG0),
> + SSPP_BLK("sspp_1", SSPP_VIG1, 0x6000, VIG_SM8250_MASK, sm8250_vig_sblk_1,
> + 4, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG1),
> + SSPP_BLK("sspp_2", SSPP_VIG2, 0x8000, VIG_SM8250_MASK, sm8250_vig_sblk_2,
> + 8, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG2),
> + SSPP_BLK("sspp_3", SSPP_VIG3, 0xa000, VIG_SM8250_MASK, sm8250_vig_sblk_3,
> + 12, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG3),
> + SSPP_BLK("sspp_8", SSPP_DMA0, 0x24000, DMA_SDM845_MASK, sdm845_dma_sblk_0,
> + 1, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA0),
> + SSPP_BLK("sspp_9", SSPP_DMA1, 0x26000, DMA_SDM845_MASK, sdm845_dma_sblk_1,
> + 5, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA1),
> + SSPP_BLK("sspp_10", SSPP_DMA2, 0x28000, DMA_CURSOR_SDM845_MASK, sdm845_dma_sblk_2,
> + 9, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR0),
> + SSPP_BLK("sspp_11", SSPP_DMA3, 0x2a000, DMA_CURSOR_SDM845_MASK, sdm845_dma_sblk_3,
> + 13, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR1),
> };
>
> static const struct dpu_sspp_cfg sc7280_sspp[] = {
> - SSPP_BLK("sspp_0", SSPP_VIG0, 0x4000, VIG_SC7180_MASK,
> - sc7180_vig_sblk_0, 0, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG0),
> - SSPP_BLK("sspp_8", SSPP_DMA0, 0x24000, DMA_SDM845_MASK,
> - sdm845_dma_sblk_0, 1, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA0),
> - SSPP_BLK("sspp_9", SSPP_DMA1, 0x26000, DMA_CURSOR_SDM845_MASK,
> - sdm845_dma_sblk_1, 5, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR0),
> - SSPP_BLK("sspp_10", SSPP_DMA2, 0x28000, DMA_CURSOR_SDM845_MASK,
> - sdm845_dma_sblk_2, 9, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR1),
> + SSPP_BLK("sspp_0", SSPP_VIG0, 0x4000, VIG_SC7280_MASK, sc7280_vig_sblk_0,
> + 0, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG0),
> + SSPP_BLK("sspp_8", SSPP_DMA0, 0x24000, DMA_SDM845_MASK, sdm845_dma_sblk_0,
> + 1, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA0),
> + SSPP_BLK("sspp_9", SSPP_DMA1, 0x26000, DMA_CURSOR_SDM845_MASK, sdm845_dma_sblk_1,
> + 5, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR0),
> + SSPP_BLK("sspp_10", SSPP_DMA2, 0x28000, DMA_CURSOR_SDM845_MASK, sdm845_dma_sblk_2,
> + 9, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR1),
> };
>
>
> @@ -820,9 +857,9 @@ static const struct dpu_sspp_sub_blks qcm2290_dma_sblk_0 = _DMA_SBLK("8", 1);
>
> static const struct dpu_sspp_cfg qcm2290_sspp[] = {
> SSPP_BLK("sspp_0", SSPP_VIG0, 0x4000, VIG_QCM2290_MASK,
> - qcm2290_vig_sblk_0, 0, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG0),
> + qcm2290_vig_sblk_0, 0, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG0),
> SSPP_BLK("sspp_8", SSPP_DMA0, 0x24000, DMA_SDM845_MASK,
> - qcm2290_dma_sblk_0, 1, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA0),
> + qcm2290_dma_sblk_0, 1, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA0),
> };
>
> /*************************************************************
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
> index b85b24b..35dd5c4 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
> @@ -112,6 +112,7 @@ enum {
> * @DPU_SSPP_TS_PREFILL Supports prefill with traffic shaper
> * @DPU_SSPP_TS_PREFILL_REC1 Supports prefill with traffic shaper multirec
> * @DPU_SSPP_CDP Supports client driven prefetch
> + * @DPU_SSPP_INLINE_ROTATION Support inline rotation
> * @DPU_SSPP_MAX maximum value
> */
> enum {
> @@ -132,6 +133,7 @@ enum {
> DPU_SSPP_TS_PREFILL,
> DPU_SSPP_TS_PREFILL_REC1,
> DPU_SSPP_CDP,
> + DPU_SSPP_INLINE_ROTATION,
> DPU_SSPP_MAX
> };
>
> @@ -315,6 +317,18 @@ struct dpu_qos_lut_tbl {
> };
>
> /**
> + * struct dpu_rotation_cfg - define inline rotation config
> + * @rot_maxheight: max pre rotated height allowed for rotation
> + * @rot_num_formats: number of elements in @rot_format_list
> + * @rot_format_list: list of supported rotator formats
> + */
> +struct dpu_rotation_cfg {
> + u32 rot_maxheight;
> + size_t rot_num_formats;
> + const u32 *rot_format_list;
> +};
> +
> +/**
> * struct dpu_caps - define DPU capabilities
> * @max_mixer_width max layer mixer line width support.
> * @max_mixer_blendstages max layer mixer blend stages or
> @@ -369,6 +383,7 @@ struct dpu_caps {
> * @num_formats: Number of supported formats
> * @virt_format_list: Pointer to list of supported formats for virtual planes
> * @virt_num_formats: Number of supported formats for virtual planes
> + * @dpu_rotation_cfg: inline rotation configuration
> */
> struct dpu_sspp_sub_blks {
> u32 creq_vblank;
> @@ -390,6 +405,7 @@ struct dpu_sspp_sub_blks {
> u32 num_formats;
> const u32 *virt_format_list;
> u32 virt_num_formats;
> + const struct dpu_rotation_cfg *rotation_cfg;
> };
>
> /**
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> index 3216cda..c77c3d9d 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
> @@ -528,11 +528,19 @@ static void _dpu_plane_setup_scaler3(struct dpu_plane *pdpu,
> struct dpu_plane_state *pstate,
> uint32_t src_w, uint32_t src_h, uint32_t dst_w, uint32_t dst_h,
> struct dpu_hw_scaler3_cfg *scale_cfg,
> - struct dpu_hw_pixel_ext *pixel_ext,
> const struct dpu_format *fmt,
> uint32_t chroma_subsmpl_h, uint32_t chroma_subsmpl_v)
> {
> uint32_t i;
> + bool inline_rotation = pstate->rotation & DRM_MODE_ROTATE_90;
> +
> + /*
> + * For inline rotation cases, scaler config is post-rotation,
> + * so swap the dimensions here. However, pixel extension will
> + * need pre-rotation settings.
> + */
> + if (inline_rotation)
> + swap(src_w, src_h);
>
> scale_cfg->phase_step_x[DPU_SSPP_COMP_0] =
> mult_frac((1 << PHASE_STEP_SHIFT), src_w, dst_w);
> @@ -571,11 +579,6 @@ static void _dpu_plane_setup_scaler3(struct dpu_plane *pdpu,
> scale_cfg->preload_x[i] = DPU_QSEED3_DEFAULT_PRELOAD_H;
> scale_cfg->preload_y[i] = DPU_QSEED3_DEFAULT_PRELOAD_V;
> }
> -
> - pixel_ext->num_ext_pxls_top[i] =
> - scale_cfg->src_height[i];
> - pixel_ext->num_ext_pxls_left[i] =
> - scale_cfg->src_width[i];
> }
> if (!(DPU_FORMAT_IS_YUV(fmt)) && (src_h == dst_h)
> && (src_w == dst_w))
> @@ -591,6 +594,24 @@ static void _dpu_plane_setup_scaler3(struct dpu_plane *pdpu,
> scale_cfg->enable = 1;
> }
>
> +static void _dpu_plane_setup_pixel_ext(struct dpu_hw_scaler3_cfg *scale_cfg,
> + struct dpu_hw_pixel_ext *pixel_ext,
> + uint32_t src_w, uint32_t src_h,
> + uint32_t chroma_subsmpl_h, uint32_t chroma_subsmpl_v)
> +{
> + int i;
> +
> + for (i = 0; i < DPU_MAX_PLANES; i++) {
> + if (i == DPU_SSPP_COMP_1_2 || i == DPU_SSPP_COMP_2) {
> + src_w /= chroma_subsmpl_h;
> + src_h /= chroma_subsmpl_v;
> + }
> +
> + pixel_ext->num_ext_pxls_top[i] = src_h;
> + pixel_ext->num_ext_pxls_left[i] = src_w;
> + }
> +}
> +
> static const struct dpu_csc_cfg dpu_csc_YUV2RGB_601L = {
> {
> /* S15.16 format */
> @@ -654,6 +675,10 @@ static void _dpu_plane_setup_scaler(struct dpu_plane *pdpu,
> const struct drm_format_info *info = drm_format_info(fmt->base.pixel_format);
> struct dpu_hw_scaler3_cfg scaler3_cfg;
> struct dpu_hw_pixel_ext pixel_ext;
> + u32 src_width = drm_rect_width(&pipe_cfg->src_rect);
> + u32 src_height = drm_rect_height(&pipe_cfg->src_rect);
> + u32 dst_width = drm_rect_width(&pipe_cfg->dst_rect);
> + u32 dst_height = drm_rect_height(&pipe_cfg->dst_rect);
>
> memset(&scaler3_cfg, 0, sizeof(scaler3_cfg));
> memset(&pixel_ext, 0, sizeof(pixel_ext));
> @@ -661,13 +686,17 @@ static void _dpu_plane_setup_scaler(struct dpu_plane *pdpu,
> /* don't chroma subsample if decimating */
> /* update scaler. calculate default config for QSEED3 */
> _dpu_plane_setup_scaler3(pdpu, pstate,
> - drm_rect_width(&pipe_cfg->src_rect),
> - drm_rect_height(&pipe_cfg->src_rect),
> - drm_rect_width(&pipe_cfg->dst_rect),
> - drm_rect_height(&pipe_cfg->dst_rect),
> - &scaler3_cfg, &pixel_ext, fmt,
> + src_width,
> + src_height,
> + dst_width,
> + dst_height,
> + &scaler3_cfg, fmt,
> info->hsub, info->vsub);
>
> + /* configure pixel extension based on scalar config */
> + _dpu_plane_setup_pixel_ext(&scaler3_cfg, &pixel_ext,
> + src_width, src_height, info->hsub, info->vsub);
> +
> if (pdpu->pipe_hw->ops.setup_pe)
> pdpu->pipe_hw->ops.setup_pe(pdpu->pipe_hw,
> &pixel_ext);
> @@ -956,6 +985,34 @@ static bool dpu_plane_validate_src(struct drm_rect *src,
> drm_rect_equals(fb_rect, src);
> }
>
> +static int dpu_plane_check_inline_rotation(struct dpu_plane *pdpu,
> + const struct dpu_sspp_sub_blks *sblk,
> + struct drm_rect src, const struct dpu_format *fmt)
> +{
> + size_t num_formats;
> + const u32 *supported_formats;
> +
> + if (!sblk->rotation_cfg) {
> + DPU_ERROR("invalid rotation cfg\n");
> + return -EINVAL;
> + }
> +
> + if (drm_rect_width(&src) > sblk->rotation_cfg->rot_maxheight) {
> + DPU_DEBUG_PLANE(pdpu, "invalid height for inline rot:%d max:%d\n",
> + src.y2, sblk->rotation_cfg->rot_maxheight);
> + return -EINVAL;
> + }
> +
> + supported_formats = sblk->rotation_cfg->rot_format_list;
> + num_formats = sblk->rotation_cfg->rot_num_formats;
> +
> + if (!DPU_FORMAT_IS_UBWC(fmt) ||
> + !dpu_find_format(fmt->base.pixel_format, supported_formats, num_formats))
> + return -EINVAL;
> +
> + return 0;
> +}
> +
> static int dpu_plane_atomic_check(struct drm_plane *plane,
> struct drm_atomic_state *state)
> {
> @@ -968,15 +1025,19 @@ static int dpu_plane_atomic_check(struct drm_plane *plane,
> const struct dpu_format *fmt;
> struct drm_rect src, dst, fb_rect = { 0 };
> uint32_t min_src_size, max_linewidth;
> + unsigned int rotation;
> + uint32_t supported_rotations;
> + const struct dpu_sspp_cfg *pipe_hw_caps = pdpu->pipe_hw->cap;
> + const struct dpu_sspp_sub_blks *sblk = pdpu->pipe_hw->cap->sblk;
>
> if (new_plane_state->crtc)
> crtc_state = drm_atomic_get_new_crtc_state(state,
> new_plane_state->crtc);
>
> - min_scale = FRAC_16_16(1, pdpu->pipe_hw->cap->sblk->maxupscale);
> + min_scale = FRAC_16_16(1, sblk->maxupscale);
> ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
> min_scale,
> - pdpu->pipe_hw->cap->sblk->maxdwnscale << 16,
> + sblk->maxdwnscale << 16,
> true, true);
> if (ret) {
> DPU_DEBUG_PLANE(pdpu, "Check plane state failed (%d)\n", ret);
> @@ -1002,8 +1063,8 @@ static int dpu_plane_atomic_check(struct drm_plane *plane,
> min_src_size = DPU_FORMAT_IS_YUV(fmt) ? 2 : 1;
>
> if (DPU_FORMAT_IS_YUV(fmt) &&
> - (!(pdpu->pipe_hw->cap->features & DPU_SSPP_SCALER) ||
> - !(pdpu->pipe_hw->cap->features & DPU_SSPP_CSC_ANY))) {
> + (!(pipe_hw_caps->features & DPU_SSPP_SCALER) ||
> + !(pipe_hw_caps->features & DPU_SSPP_CSC_ANY))) {
> DPU_DEBUG_PLANE(pdpu,
> "plane doesn't have scaler/csc for yuv\n");
> return -EINVAL;
> @@ -1036,6 +1097,22 @@ static int dpu_plane_atomic_check(struct drm_plane *plane,
> return -E2BIG;
> }
>
> + supported_rotations = DRM_MODE_REFLECT_MASK | DRM_MODE_ROTATE_0;
> +
> + if (pipe_hw_caps->features & BIT(DPU_SSPP_INLINE_ROTATION))
> + supported_rotations |= DRM_MODE_ROTATE_90;
> +
> + rotation = drm_rotation_simplify(new_plane_state->rotation,
> + supported_rotations);
> +
> + if ((pipe_hw_caps->features & BIT(DPU_SSPP_INLINE_ROTATION)) &&
> + (rotation & DRM_MODE_ROTATE_90)) {
> + ret = dpu_plane_check_inline_rotation(pdpu, sblk, src, fmt);
> + if (ret)
> + return ret;
> + }
> +
> + pstate->rotation = rotation;
> pstate->needs_qos_remap = drm_atomic_crtc_needs_modeset(crtc_state);
>
> return 0;
> @@ -1151,21 +1228,19 @@ static void dpu_plane_sspp_atomic_update(struct drm_plane *plane)
> pstate->multirect_mode);
>
> if (pdpu->pipe_hw->ops.setup_format) {
> - unsigned int rotation;
> + unsigned int rotation = pstate->rotation;
>
> src_flags = 0x0;
>
> - rotation = drm_rotation_simplify(state->rotation,
> - DRM_MODE_ROTATE_0 |
> - DRM_MODE_REFLECT_X |
> - DRM_MODE_REFLECT_Y);
> -
> if (rotation & DRM_MODE_REFLECT_X)
> src_flags |= DPU_SSPP_FLIP_LR;
>
> if (rotation & DRM_MODE_REFLECT_Y)
> src_flags |= DPU_SSPP_FLIP_UD;
>
> + if (rotation & DRM_MODE_ROTATE_90)
> + src_flags |= DPU_SSPP_ROT_90;
> +
> /* update format */
> pdpu->pipe_hw->ops.setup_format(pdpu->pipe_hw, fmt, src_flags,
> pstate->multirect_index);
> @@ -1458,6 +1533,7 @@ struct drm_plane *dpu_plane_init(struct drm_device *dev,
> struct dpu_kms *kms = to_dpu_kms(priv->kms);
> int zpos_max = DPU_ZPOS_MAX;
> uint32_t num_formats;
> + uint32_t supported_rotations;
> int ret = -EINVAL;
>
> /* create and zero local structure */
> @@ -1526,12 +1602,13 @@ struct drm_plane *dpu_plane_init(struct drm_device *dev,
> BIT(DRM_MODE_BLEND_PREMULTI) |
> BIT(DRM_MODE_BLEND_COVERAGE));
>
> + supported_rotations = DRM_MODE_REFLECT_MASK | DRM_MODE_ROTATE_0;
> +
> + if (pdpu->pipe_hw->cap->features & BIT(DPU_SSPP_INLINE_ROTATION))
> + supported_rotations |= DRM_MODE_ROTATE_MASK;
> +
> drm_plane_create_rotation_property(plane,
> - DRM_MODE_ROTATE_0,
> - DRM_MODE_ROTATE_0 |
> - DRM_MODE_ROTATE_180 |
> - DRM_MODE_REFLECT_X |
> - DRM_MODE_REFLECT_Y);
> + DRM_MODE_ROTATE_0, supported_rotations);
>
> drm_plane_enable_fb_damage_clips(plane);
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h
> index 50781e2..e146310 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h
> @@ -26,6 +26,7 @@
> * @plane_fetch_bw: calculated BW per plane
> * @plane_clk: calculated clk per plane
> * @needs_dirtyfb: whether attached CRTC needs pixel data explicitly flushed
> + * @rotation: simplified drm rotation hint
> */
> struct dpu_plane_state {
> struct drm_plane_state base;
> @@ -40,6 +41,7 @@ struct dpu_plane_state {
> u64 plane_clk;
>
> bool needs_dirtyfb;
> + unsigned int rotation;
> };
>
> /**
> --
> 2.7.4
>

--
With best wishes
Dmitry

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