On 11/02/2023 14:26, Konrad Dybcio wrote:
Add SM6350 support to the DPU1 driver to enable display output.

Signed-off-by: Konrad Dybcio <[email protected]>
Signed-off-by: Konrad Dybcio <[email protected]>
---
  .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c    | 187 ++++++++++++++++++
  .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h    |   3 +
  drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c       |   1 +
  drivers/gpu/drm/msm/msm_mdss.c                |   2 +
  4 files changed, 193 insertions(+)

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 d9ef1e133c1e..ba0bc795e5ff 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
@@ -364,6 +364,25 @@ static const struct dpu_caps sm6115_dpu_caps = {
        .pixel_ram_size = DEFAULT_PIXEL_RAM_SIZE,
  };
+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_QSEED3LITE,

QSEED4

+       .smart_dma_rev = DPU_SSPP_SMART_DMA_V2, /* TODO: v2.5 */
+       .ubwc_version = DPU_HW_UBWC_VER_20,
+       .has_src_split = true,
+       .has_dim_layer = true,
+       .has_idle_pc = true,
+       /*
+        * There is *NO* 3DMERGE hw, but we *need* to set this property to true,
+        * because SM6350 includes newer hardware that requires a different 
reset
+        * sequence and it is executed based on this confusingly named 
variable..
+        */

Which reset sequence is that? Is it something that was not posted yet?

+       .has_3d_merge = true,
+       .max_linewidth = DEFAULT_DPU_OUTPUT_LINE_WIDTH,
+       .pixel_ram_size = DEFAULT_PIXEL_RAM_SIZE,
+};
+
  static const struct dpu_caps sm8150_dpu_caps = {
        .max_mixer_width = DEFAULT_DPU_OUTPUT_LINE_WIDTH,
        .max_mixer_blendstages = 0xb,
@@ -554,6 +573,25 @@ static const struct dpu_mdp_cfg sc7180_mdp[] = {
        },
  };
+static const struct dpu_mdp_cfg sm6350_mdp[] = {
+       {
+       .name = "top_0", .id = MDP_TOP,
+       .base = 0x0, .len = 0x494,
+       .features = 0,
+       .highest_bank_bit = 0x1,
+       .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_CURSOR0] = {

DPU_CLK_CTRL_DMA1

+               .reg_off = 0x2b4, .bit_off = 8},
+       .clk_ctrls[DPU_CLK_CTRL_CURSOR1] = {

DPU_CLK_CTRL_DMA2

+               .reg_off = 0x2c4, .bit_off = 8},
+       .clk_ctrls[DPU_CLK_CTRL_REG_DMA] = {
+               .reg_off = 0x2bc, .bit_off = 20},
+       },

Please fit them into a single line

+};
+
  static const struct dpu_mdp_cfg sc8180x_mdp[] = {
        {
        .name = "top_0", .id = MDP_TOP,
@@ -888,6 +926,33 @@ static const struct dpu_ctl_cfg sc8280xp_ctl[] = {
        },
  };
+static const struct dpu_ctl_cfg sm6350_ctl[] = {

We need to fix sc7180_ctl[].len, then we can use it here instead.

+       {
+       .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_ctl_cfg sm8150_ctl[] = {
        {
        .name = "ctl_0", .id = CTL_0,
@@ -1244,6 +1309,20 @@ static const struct dpu_sspp_cfg sm6115_sspp[] = {
                sdm845_dma_sblk_0, 1, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA0),
  };
+static const struct dpu_sspp_sub_blks sm6350_vig_sblk_0 =
+                               _VIG_SBLK("0", 4, DPU_SSPP_SCALER_QSEED3LITE);

QSEED4

+
+static const struct dpu_sspp_cfg sm6350_sspp[] = {
+       SSPP_BLK("sspp_0", SSPP_VIG0, 0x4000, 0x1f8, VIG_SM8250_MASK,
+               sm6350_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_DMA1

+       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_sspp_sub_blks sm8250_vig_sblk_0 =
                                _VIG_SBLK("0", 5, DPU_SSPP_SCALER_QSEED3LITE);
  static const struct dpu_sspp_sub_blks sm8250_vig_sblk_1 =
@@ -1491,6 +1570,13 @@ static const struct dpu_lm_cfg sc8280xp_lm[] = {
        LM_BLK("lm_5", LM_5, 0x49000, MIXER_SDM845_MASK, &sdm845_lm_sblk, 
PINGPONG_5, LM_4, 0),
  };
+static const struct dpu_lm_cfg sm6350_lm[] = {

I think we can use sc7180_lm here

+       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),
+};
+
  /* SM8150 */
static const struct dpu_lm_cfg sm8150_lm[] = {
@@ -1572,6 +1658,11 @@ static const struct dpu_dspp_cfg sc7180_dspp[] = {
                 &sc7180_dspp_sblk),
  };
+static const struct dpu_dspp_cfg sm6350_dspp[] = {

sc7180_dspp

+       DSPP_BLK("dspp_0", DSPP_0, 0x54000, DSPP_SC7180_MASK,
+                &sm8150_dspp_sblk),
+};
+
  static const struct dpu_dspp_cfg sm8150_dspp[] = {
        DSPP_BLK("dspp_0", DSPP_0, 0x54000, DSPP_SC7180_MASK,
                 &sm8150_dspp_sblk),
@@ -1674,6 +1765,15 @@ static struct dpu_pingpong_cfg sc8280xp_pp[] = {
                  DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR2, 31), -1),
  };
+static struct dpu_pingpong_cfg sm6350_pp[] = {
+       PP_BLK("pingpong_0", PINGPONG_0, 0x70000, 0, sdm845_pp_sblk,

No TE support?

+                       DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 8),
+                       DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 12)),
+       PP_BLK("pingpong_1", PINGPONG_1, 0x70800, 0, sdm845_pp_sblk,
+                       DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 9),
+                       DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 13)),
+};
+
  static const struct dpu_pingpong_cfg sm8150_pp[] = {
        PP_BLK_TE("pingpong_0", PINGPONG_0, 0x70000, MERGE_3D_0, 
sdm845_pp_sblk_te,
                        DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 8),
@@ -1879,6 +1979,11 @@ static const struct dpu_intf_cfg sc7180_intf[] = {
        INTF_BLK("intf_1", INTF_1, 0x6A800, 0x280, INTF_DSI, 0, 24, 
INTF_SC7180_MASK, MDP_SSPP_TOP0_INTR, 26, 27),
  };
+static const struct dpu_intf_cfg sm6350_intf[] = {

Interesting. Size is 0x2b8 for sc7180 (if I'm not mistaken), but 0x2c0 for sm6350. Do you know by chance what's the difference?

+       INTF_BLK("intf_0", INTF_0, 0x6a000, 0x2c0, INTF_DP, 0, 35, 
INTF_SC7180_MASK, MDP_SSPP_TOP0_INTR, 24, 25),
+       INTF_BLK("intf_1", INTF_1, 0x6a800, 0x2c0, INTF_DSI, 0, 35, 
INTF_SC7180_MASK, MDP_SSPP_TOP0_INTR, 26, 27),
+};
+
  static const struct dpu_intf_cfg sm8150_intf[] = {
        INTF_BLK("intf_0", INTF_0, 0x6A000, 0x280, INTF_DP, 0, 24, 
INTF_SC7180_MASK, MDP_SSPP_TOP0_INTR, 24, 25),
        INTF_BLK("intf_1", INTF_1, 0x6A800, 0x280, INTF_DSI, 0, 24, 
INTF_SC7180_MASK, MDP_SSPP_TOP0_INTR, 26, 27),
@@ -2039,6 +2144,25 @@ static const struct dpu_vbif_cfg sdm845_vbif[] = {
        },
  };
+static const struct dpu_vbif_cfg sm6350_vbif[] = {
+       {
+       .name = "vbif_0", .id = VBIF_RT,
+       .base = 0, .len = 0x1044,

So, the only difference from sdm845_vbif is the len? Can we ignore it?

+       .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_reg_dma_cfg sc8280xp_regdma = {
        .base = 0x0,
        .version = 0x00020000,
@@ -2128,6 +2252,11 @@ static const struct dpu_qos_lut_entry 
sc7180_qos_linear[] = {
        {.fl = 0, .lut = 0x0011222222335777},
  };

Two LUT entries with the same fill level sound strange. Yes, I see the same in the vendor dts. Let me check how they are parsend and used.

+static const struct dpu_qos_lut_entry sm6350_qos_linear[] = {
+       {.fl = 0, .lut = 0x0011223344556677 },
+       {.fl = 0, .lut = 0x0011223445566777 },
+};
+
  static const struct dpu_qos_lut_entry sm8150_qos_linear[] = {
        {.fl = 0, .lut = 0x0011222222223357 },
  };
@@ -2153,6 +2282,11 @@ static const struct dpu_qos_lut_entry 
sc7180_qos_macrotile[] = {
        {.fl = 0, .lut = 0x0011223344556677},
  };
+static const struct dpu_qos_lut_entry sm6350_qos_macrotile[] = {
+       {.fl = 0, .lut = 0x0011223344556677 },
+       {.fl = 0, .lut = 0x0011223445566777 },
+};
+
  static const struct dpu_qos_lut_entry sc8180x_qos_macrotile[] = {
        {.fl = 10, .lut = 0x0000000344556677},
  };
@@ -2298,6 +2432,34 @@ static const struct dpu_perf_cfg sm6115_perf_data = {
        .bw_inefficiency_factor = 120,
  };
+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),
+               .entries = sm6350_qos_linear
+               },
+               {.nentry = ARRAY_SIZE(sm6350_qos_macrotile),
+               .entries = sm6350_qos_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,
+};
+
  static const struct dpu_perf_cfg sm8150_perf_data = {
        .max_bw_low = 12800000,
        .max_bw_high = 12800000,
@@ -2618,6 +2780,30 @@ static const struct dpu_mdss_cfg sm6115_dpu_cfg = {
        .mdss_irqs = IRQ_SC7180_MASK,
  };
+static const struct dpu_mdss_cfg sm6350_dpu_cfg = {
+       .caps = &sm6350_dpu_caps,
+       .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 = IRQ_SC7180_MASK,
+};
+
  static const struct dpu_mdss_cfg sm8150_dpu_cfg = {
        .caps = &sm8150_dpu_caps,
        .mdp_count = ARRAY_SIZE(sdm845_mdp),
@@ -2861,6 +3047,7 @@ static const struct dpu_mdss_hw_cfg_handler cfg_handler[] 
= {
        { .hw_rev = DPU_HW_VER_600, .dpu_cfg = &sm8250_dpu_cfg},
        { .hw_rev = DPU_HW_VER_620, .dpu_cfg = &sc7180_dpu_cfg},
        { .hw_rev = DPU_HW_VER_630, .dpu_cfg = &sm6115_dpu_cfg},
+       { .hw_rev = DPU_HW_VER_640, .dpu_cfg = &sm6350_dpu_cfg},
        { .hw_rev = DPU_HW_VER_650, .dpu_cfg = &qcm2290_dpu_cfg},
        { .hw_rev = DPU_HW_VER_700, .dpu_cfg = &sm8350_dpu_cfg},
        { .hw_rev = DPU_HW_VER_720, .dpu_cfg = &sc7280_dpu_cfg},
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 c7a2e6237d2b..cbf21613e121 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
@@ -45,6 +45,7 @@
  #define DPU_HW_VER_600        DPU_HW_VER(6, 0, 0) /* sm8250 */
  #define DPU_HW_VER_620        DPU_HW_VER(6, 2, 0) /* sc7180 v1.0 */
  #define DPU_HW_VER_630        DPU_HW_VER(6, 3, 0) /* sm6115|sm4250 */
+#define DPU_HW_VER_640 DPU_HW_VER(6, 4, 0) /* sm6350 */
  #define DPU_HW_VER_650        DPU_HW_VER(6, 5, 0) /* qcm2290|sm4125 */
  #define DPU_HW_VER_700        DPU_HW_VER(7, 0, 0) /* sm8350 */
  #define DPU_HW_VER_720        DPU_HW_VER(7, 2, 0) /* sc7280 */
@@ -352,6 +353,8 @@ 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,
        DPU_QOS_LUT_USAGE_MAX,
  };
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index a683bd9b5a04..ebfbbd2d105e 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -1306,6 +1306,7 @@ static const struct of_device_id dpu_dt_match[] = {
        { .compatible = "qcom,sc8180x-dpu", },
        { .compatible = "qcom,sc8280xp-dpu", },
        { .compatible = "qcom,sm6115-dpu", },
+       { .compatible = "qcom,sm6350-dpu", },
        { .compatible = "qcom,sm8150-dpu", },
        { .compatible = "qcom,sm8250-dpu", },
        { .compatible = "qcom,sm8350-dpu", },
diff --git a/drivers/gpu/drm/msm/msm_mdss.c b/drivers/gpu/drm/msm/msm_mdss.c

Please split mdss to a separate patch.

index 02646e4bb4cd..841016f3983a 100644
--- a/drivers/gpu/drm/msm/msm_mdss.c
+++ b/drivers/gpu/drm/msm/msm_mdss.c
@@ -279,6 +279,7 @@ static int msm_mdss_enable(struct msm_mdss *msm_mdss)
                msm_mdss_setup_ubwc_dec_40(msm_mdss, UBWC_4_0, 6, 1, 3, 1);
                break;
        case DPU_HW_VER_620:
+       case DPU_HW_VER_640:
                /* UBWC_2_0 */
                msm_mdss_setup_ubwc_dec_20(msm_mdss, 0x1e);
                break;
@@ -529,6 +530,7 @@ static const struct of_device_id mdss_dt_match[] = {
        { .compatible = "qcom,sc8180x-mdss" },
        { .compatible = "qcom,sc8280xp-mdss" },
        { .compatible = "qcom,sm6115-mdss" },
+       { .compatible = "qcom,sm6350-mdss" },
        { .compatible = "qcom,sm8150-mdss" },
        { .compatible = "qcom,sm8250-mdss" },
        { .compatible = "qcom,sm8350-mdss" },

--
With best wishes
Dmitry

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