Re: [PATCH v2 07/13] drm/msm/dpu: Add SM6350 support

From: Dmitry Baryshkov
Date: Thu Apr 20 2023 - 18:41:30 EST

On 21/04/2023 01:31, Konrad Dybcio wrote:
Add SM6350 support to the DPU1 driver to enable display output.

Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxx>
Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
---
.../gpu/drm/msm/disp/dpu1/catalog/dpu_6_4_sm6350.h | 191 +++++++++++++++++++++
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 1 +
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h | 3 +
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 1 +
4 files changed, 196 insertions(+)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_4_sm6350.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_4_sm6350.h
new file mode 100644
index 000000000000..687a508cbaa6
--- /dev/null
+++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_4_sm6350.h
@@ -0,0 +1,191 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022. Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2015-2018, 2020 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2023, Linaro Limited
+ */
+
+#ifndef _DPU_6_4_SM6350_H
+#define _DPU_6_4_SM6350_H
+
+static const struct dpu_caps sm6350_dpu_caps = {
+ .max_mixer_width = DEFAULT_DPU_OUTPUT_LINE_WIDTH,
+ .max_mixer_blendstages = 0x7,
+ .qseed_type = DPU_SSPP_SCALER_QSEED4,
+ .has_src_split = true,
+ .has_dim_layer = true,
+ .has_idle_pc = true,
+ .max_linewidth = DEFAULT_DPU_OUTPUT_LINE_WIDTH,
+ .pixel_ram_size = DEFAULT_PIXEL_RAM_SIZE,
+};
+
+static const struct dpu_ubwc_cfg sm6350_ubwc_cfg = {
+ .ubwc_version = DPU_HW_UBWC_VER_20,
+ .ubwc_swizzle = 6,
+ .highest_bank_bit = 1,
+};
+
+static const struct dpu_mdp_cfg sm6350_mdp[] = {
+ {
+ .name = "top_0", .id = MDP_TOP,
+ .base = 0x0, .len = 0x494,
+ .features = 0,
+ .clk_ctrls[DPU_CLK_CTRL_VIG0] = { .reg_off = 0x2ac, .bit_off = 0 },
+ .clk_ctrls[DPU_CLK_CTRL_DMA0] = { .reg_off = 0x2ac, .bit_off = 8 },
+ .clk_ctrls[DPU_CLK_CTRL_DMA1] = { .reg_off = 0x2b4, .bit_off = 8 },
+ .clk_ctrls[DPU_CLK_CTRL_DMA2] = { .reg_off = 0x2c4, .bit_off = 8 },
+ .clk_ctrls[DPU_CLK_CTRL_REG_DMA] = { .reg_off = 0x2bc, .bit_off = 20 },
+ },
+};
+
+static const struct dpu_ctl_cfg sm6350_ctl[] = {
+ {
+ .name = "ctl_0", .id = CTL_0,
+ .base = 0x1000, .len = 0x1dc,
+ .features = BIT(DPU_CTL_ACTIVE_CFG),
+ .intr_start = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR2, 9),
+ },
+ {
+ .name = "ctl_1", .id = CTL_1,
+ .base = 0x1200, .len = 0x1dc,
+ .features = BIT(DPU_CTL_ACTIVE_CFG),
+ .intr_start = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR2, 10),
+ },
+ {
+ .name = "ctl_2", .id = CTL_2,
+ .base = 0x1400, .len = 0x1dc,
+ .features = BIT(DPU_CTL_ACTIVE_CFG),
+ .intr_start = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR2, 11),
+ },
+ {
+ .name = "ctl_3", .id = CTL_3,
+ .base = 0x1600, .len = 0x1dc,
+ .features = BIT(DPU_CTL_ACTIVE_CFG),
+ .intr_start = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR2, 12),
+ },
+};
+
+static const struct dpu_sspp_cfg sm6350_sspp[] = {
+ SSPP_BLK("sspp_0", SSPP_VIG0, 0x4000, 0x1f8, VIG_SC7180_MASK,
+ sc7180_vig_sblk_0, 0, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG0),
+ SSPP_BLK("sspp_8", SSPP_DMA0, 0x24000, 0x1f8, DMA_SDM845_MASK,
+ sdm845_dma_sblk_0, 1, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA0),
+ SSPP_BLK("sspp_9", SSPP_DMA1, 0x26000, 0x1f8, DMA_CURSOR_SDM845_MASK,
+ sdm845_dma_sblk_1, 5, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR0),

DPU_CLK_CTRL_DMA0

+ SSPP_BLK("sspp_10", SSPP_DMA2, 0x28000, 0x1f8, DMA_CURSOR_SDM845_MASK,
+ sdm845_dma_sblk_2, 9, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR1),

DPU_CLK_CTRL_DMA2


+};
+
+static const struct dpu_lm_cfg sm6350_lm[] = {
+ LM_BLK("lm_0", LM_0, 0x44000, MIXER_SDM845_MASK,
+ &sc7180_lm_sblk, PINGPONG_0, LM_1, DSPP_0),
+ LM_BLK("lm_1", LM_1, 0x45000, MIXER_SDM845_MASK,
+ &sc7180_lm_sblk, PINGPONG_1, LM_0, 0),
+};
+
+static const struct dpu_dspp_cfg sm6350_dspp[] = {
+ DSPP_BLK("dspp_0", DSPP_0, 0x54000, DSPP_SC7180_MASK,
+ &sm8150_dspp_sblk),
+};
+
+static struct dpu_pingpong_cfg sm6350_pp[] = {
+ PP_BLK("pingpong_0", PINGPONG_0, 0x70000, PINGPONG_SM8150_MASK, 0, sdm845_pp_sblk,
+ DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 8),
+ -1),
+ PP_BLK("pingpong_1", PINGPONG_1, 0x70800, PINGPONG_SM8150_MASK, 0, sdm845_pp_sblk,
+ DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 9),
+ -1),
+};
+
+static const struct dpu_intf_cfg sm6350_intf[] = {
+ INTF_BLK("intf_0", INTF_0, 0x6a000, 0x2c0, INTF_DP, 0, 35, INTF_SC7180_MASK,
+ DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 24),
+ DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 25)),
+ INTF_BLK_DSI_TE("intf_1", INTF_1, 0x6a800, 0x2c0, INTF_DSI, 0, 35, INTF_SC7180_MASK,
+ DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 26),
+ DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 27),
+ DPU_IRQ_IDX(MDP_INTF1_TEAR_INTR, 2)),
+};
+
+static const struct dpu_vbif_cfg sm6350_vbif[] = {
+ {
+ .name = "vbif_0", .id = VBIF_RT,
+ .base = 0, .len = 0x1044,
+ .features = BIT(DPU_VBIF_QOS_REMAP),
+ .xin_halt_timeout = 0x4000,
+ .qos_rt_tbl = {
+ .npriority_lvl = ARRAY_SIZE(sdm845_rt_pri_lvl),
+ .priority_lvl = sdm845_rt_pri_lvl,
+ },
+ .qos_nrt_tbl = {
+ .npriority_lvl = ARRAY_SIZE(sdm845_nrt_pri_lvl),
+ .priority_lvl = sdm845_nrt_pri_lvl,
+ },
+ .memtype_count = 14,
+ .memtype = {3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3},
+ },
+};
+
+static const struct dpu_qos_lut_entry sm6350_qos_linear_macrotile[] = {
+ {.fl = 0, .lut = 0x0011223344556677 },
+ {.fl = 0, .lut = 0x0011223445566777 },

Do we need two equal entries here?

Also please push the qos to the dpu_hw_catalog.c, I want to take another look at these structures and it is easier if all of them are beneath one's eyes.

+};
+
+static const struct dpu_perf_cfg sm6350_perf_data = {
+ .max_bw_low = 4200000,
+ .max_bw_high = 5100000,
+ .min_core_ib = 2500000,
+ .min_llcc_ib = 0,
+ .min_dram_ib = 1600000,
+ .min_prefill_lines = 35,
+ /* TODO: confirm danger_lut_tbl */
+ .danger_lut_tbl = {0xffff, 0xffff, 0x0, 0x0, 0xffff},
+ .qos_lut_tbl = {
+ {.nentry = ARRAY_SIZE(sm6350_qos_linear_macrotile),
+ .entries = sm6350_qos_linear_macrotile
+ },
+ {.nentry = ARRAY_SIZE(sm6350_qos_linear_macrotile),
+ .entries = sm6350_qos_linear_macrotile
+ },
+ {.nentry = ARRAY_SIZE(sc7180_qos_nrt),
+ .entries = sc7180_qos_nrt
+ },
+ },
+ .cdp_cfg = {
+ {.rd_enable = 1, .wr_enable = 1},
+ {.rd_enable = 1, .wr_enable = 0}
+ },
+ .clk_inefficiency_factor = 105,
+ .bw_inefficiency_factor = 120,
+};
+
+const struct dpu_mdss_cfg dpu_sm6350_cfg = {
+ .caps = &sm6350_dpu_caps,
+ .ubwc = &sm6350_ubwc_cfg,
+ .mdp_count = ARRAY_SIZE(sm6350_mdp),
+ .mdp = sm6350_mdp,
+ .ctl_count = ARRAY_SIZE(sm6350_ctl),
+ .ctl = sm6350_ctl,
+ .sspp_count = ARRAY_SIZE(sm6350_sspp),
+ .sspp = sm6350_sspp,
+ .mixer_count = ARRAY_SIZE(sm6350_lm),
+ .mixer = sm6350_lm,
+ .dspp_count = ARRAY_SIZE(sm6350_dspp),
+ .dspp = sm6350_dspp,
+ .pingpong_count = ARRAY_SIZE(sm6350_pp),
+ .pingpong = sm6350_pp,
+ .intf_count = ARRAY_SIZE(sm6350_intf),
+ .intf = sm6350_intf,
+ .vbif_count = ARRAY_SIZE(sm6350_vbif),
+ .vbif = sm6350_vbif,
+ .reg_dma_count = 1,
+ .dma_cfg = &sm8250_regdma,
+ .perf = &sm6350_perf_data,
+ .mdss_irqs = BIT(MDP_SSPP_TOP0_INTR) | \
+ BIT(MDP_SSPP_TOP0_INTR2) | \
+ BIT(MDP_SSPP_TOP0_HIST_INTR) | \
+ BIT(MDP_INTF0_INTR) | \
+ BIT(MDP_INTF1_INTR)
+};
+
+#endif
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 db558a9ae36e..52750b592b36 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
@@ -806,6 +806,7 @@ static const struct dpu_qos_lut_entry sc7180_qos_nrt[] = {
#include "catalog/dpu_6_0_sm8250.h"
#include "catalog/dpu_6_2_sc7180.h"
#include "catalog/dpu_6_3_sm6115.h"
+#include "catalog/dpu_6_4_sm6350.h"
#include "catalog/dpu_6_5_qcm2290.h"
#include "catalog/dpu_7_0_sm8350.h"
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 756bff1d2185..f9611bd75e02 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
@@ -320,6 +320,8 @@ enum dpu_qos_lut_usage {
DPU_QOS_LUT_USAGE_LINEAR,
DPU_QOS_LUT_USAGE_MACROTILE,
DPU_QOS_LUT_USAGE_NRT,
+ DPU_QOS_LUT_USAGE_CWB,
+ DPU_QOS_LUT_USAGE_MACROTILE_QSEED,

This should probably be removed. It would be nice to clean these things up, but not as a part of sm6350.

DPU_QOS_LUT_USAGE_MAX,
};
@@ -880,6 +882,7 @@ extern const struct dpu_mdss_cfg dpu_sc8180x_cfg;
extern const struct dpu_mdss_cfg dpu_sm8250_cfg;
extern const struct dpu_mdss_cfg dpu_sc7180_cfg;
extern const struct dpu_mdss_cfg dpu_sm6115_cfg;
+extern const struct dpu_mdss_cfg dpu_sm6350_cfg;
extern const struct dpu_mdss_cfg dpu_qcm2290_cfg;
extern const struct dpu_mdss_cfg dpu_sm8350_cfg;
extern const struct dpu_mdss_cfg dpu_sc7280_cfg;
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index 0e7a68714e9e..46be7ad8d615 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -1286,6 +1286,7 @@ static const struct of_device_id dpu_dt_match[] = {
{ .compatible = "qcom,sc8180x-dpu", .data = &dpu_sc8180x_cfg, },
{ .compatible = "qcom,sc8280xp-dpu", .data = &dpu_sc8280xp_cfg, },
{ .compatible = "qcom,sm6115-dpu", .data = &dpu_sm6115_cfg, },
+ { .compatible = "qcom,sm6350-dpu", .data = &dpu_sm6350_cfg, },
{ .compatible = "qcom,sm8150-dpu", .data = &dpu_sm8150_cfg, },
{ .compatible = "qcom,sm8250-dpu", .data = &dpu_sm8250_cfg, },
{ .compatible = "qcom,sm8350-dpu", .data = &dpu_sm8350_cfg, },


--
With best wishes
Dmitry