Re: [PATCH 3/6] drm/msm/dpu: add support for SM8550

From: Dmitry Baryshkov
Date: Wed Jan 04 2023 - 04:45:13 EST


On 04/01/2023 11:08, Neil Armstrong wrote:
Add definitions for the display hardware used on Qualcomm SM8550
platform.

Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 197 +++++++++++++++++++++++++
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h | 1 +
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h | 2 +
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 1 +
4 files changed, 201 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 b4ca123d8e69..adf5e25269dc 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
@@ -402,6 +402,20 @@ static const struct dpu_caps sm8450_dpu_caps = {
.pixel_ram_size = DEFAULT_PIXEL_RAM_SIZE,
};
+static const struct dpu_caps sm8550_dpu_caps = {
+ .max_mixer_width = DEFAULT_DPU_OUTPUT_LINE_WIDTH,
+ .max_mixer_blendstages = 0xb,
+ .qseed_type = DPU_SSPP_SCALER_QSEED3LITE,
+ .smart_dma_rev = DPU_SSPP_SMART_DMA_V2, /* TODO: v2.5 */
+ .ubwc_version = DPU_HW_UBWC_VER_40,
+ .has_src_split = true,
+ .has_dim_layer = true,
+ .has_idle_pc = true,
+ .has_3d_merge = true,
+ .max_linewidth = 5120,
+ .pixel_ram_size = DEFAULT_PIXEL_RAM_SIZE,
+};
+
static const struct dpu_caps sc7280_dpu_caps = {
.max_mixer_width = DEFAULT_DPU_OUTPUT_LINE_WIDTH,
.max_mixer_blendstages = 0x7,
@@ -579,6 +593,37 @@ static const struct dpu_mdp_cfg sm8450_mdp[] = {
},
};
+static const struct dpu_mdp_cfg sm8550_mdp[] = {
+ {
+ .name = "top_0", .id = MDP_TOP,
+ .base = 0, .len = 0x494,
+ .features = BIT(DPU_MDP_PERIPH_0_REMOVED),
+ .highest_bank_bit = 0x3, /* TODO: 2 for LP_DDR4 */
+ .clk_ctrls[DPU_CLK_CTRL_VIG0] = {
+ .reg_off = 0x4330, .bit_off = 0},
+ .clk_ctrls[DPU_CLK_CTRL_VIG1] = {
+ .reg_off = 0x6330, .bit_off = 0},
+ .clk_ctrls[DPU_CLK_CTRL_VIG2] = {
+ .reg_off = 0x8330, .bit_off = 0},
+ .clk_ctrls[DPU_CLK_CTRL_VIG3] = {
+ .reg_off = 0xa330, .bit_off = 0},
+ .clk_ctrls[DPU_CLK_CTRL_DMA0] = {
+ .reg_off = 0x24330, .bit_off = 0},
+ .clk_ctrls[DPU_CLK_CTRL_DMA1] = {
+ .reg_off = 0x26330, .bit_off = 0},
+ .clk_ctrls[DPU_CLK_CTRL_DMA2] = {
+ .reg_off = 0x28330, .bit_off = 0},
+ .clk_ctrls[DPU_CLK_CTRL_DMA3] = {
+ .reg_off = 0x2a330, .bit_off = 0},
+ .clk_ctrls[DPU_CLK_CTRL_CURSOR0] = {
+ .reg_off = 0x2c330, .bit_off = 0},
+ .clk_ctrls[DPU_CLK_CTRL_CURSOR1] = {
+ .reg_off = 0x2e330, .bit_off = 0},
+ .clk_ctrls[DPU_CLK_CTRL_REG_DMA] = {
+ .reg_off = 0x2bc, .bit_off = 20},
+ },
+};
+
static const struct dpu_mdp_cfg sc7280_mdp[] = {
{
.name = "top_0", .id = MDP_TOP,
@@ -776,6 +821,45 @@ static const struct dpu_ctl_cfg sm8450_ctl[] = {
},
};
+static const struct dpu_ctl_cfg sm8550_ctl[] = {
+ {
+ .name = "ctl_0", .id = CTL_0,
+ .base = 0x15000, .len = 0x290,?
+ .features = BIT(DPU_CTL_ACTIVE_CFG) | BIT(DPU_CTL_SPLIT_DISPLAY) | BIT(DPU_CTL_FETCH_ACTIVE),

CTL_SC7280_MASK | BIT(DPU_CTL_SPLIT_DISPLAY) ?

+ .intr_start = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR2, 9),
+ },
+ {
+ .name = "ctl_1", .id = CTL_1,
+ .base = 0x16000, .len = 0x290,
+ .features = BIT(DPU_CTL_ACTIVE_CFG) | BIT(DPU_CTL_SPLIT_DISPLAY) | BIT(DPU_CTL_FETCH_ACTIVE),
+ .intr_start = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR2, 10),
+ },
+ {
+ .name = "ctl_2", .id = CTL_2,
+ .base = 0x17000, .len = 0x290,
+ .features = BIT(DPU_CTL_ACTIVE_CFG) | BIT(DPU_CTL_FETCH_ACTIVE),

CTL_SC7280_MASK?

+ .intr_start = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR2, 11),
+ },
+ {
+ .name = "ctl_3", .id = CTL_3,
+ .base = 0x18000, .len = 0x290,
+ .features = BIT(DPU_CTL_ACTIVE_CFG) | BIT(DPU_CTL_FETCH_ACTIVE),
+ .intr_start = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR2, 12),
+ },
+ {
+ .name = "ctl_4", .id = CTL_4,
+ .base = 0x19000, .len = 0x290,
+ .features = BIT(DPU_CTL_ACTIVE_CFG) | BIT(DPU_CTL_FETCH_ACTIVE),
+ .intr_start = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR2, 13),
+ },
+ {
+ .name = "ctl_5", .id = CTL_5,
+ .base = 0x1a000, .len = 0x290,
+ .features = BIT(DPU_CTL_ACTIVE_CFG) | BIT(DPU_CTL_FETCH_ACTIVE),
+ .intr_start = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR2, 23),
+ },
+};
+
static const struct dpu_ctl_cfg sc7280_ctl[] = {
{
.name = "ctl_0", .id = CTL_0,
@@ -1032,6 +1116,40 @@ static const struct dpu_sspp_cfg sm8450_sspp[] = {
sdm845_dma_sblk_3, 13, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR1),
};
+static const struct dpu_sspp_sub_blks sm8550_vig_sblk_0 =
+ _VIG_SBLK("0", 7, DPU_SSPP_SCALER_QSEED3LITE);
+static const struct dpu_sspp_sub_blks sm8550_vig_sblk_1 =
+ _VIG_SBLK("1", 8, DPU_SSPP_SCALER_QSEED3LITE);
+static const struct dpu_sspp_sub_blks sm8550_vig_sblk_2 =
+ _VIG_SBLK("2", 9, DPU_SSPP_SCALER_QSEED3LITE);
+static const struct dpu_sspp_sub_blks sm8550_vig_sblk_3 =
+ _VIG_SBLK("3", 10, DPU_SSPP_SCALER_QSEED3LITE);
+static const struct dpu_sspp_sub_blks sm8550_dma_sblk_4 = _DMA_SBLK("12", 5);
+static const struct dpu_sspp_sub_blks sd8550_dma_sblk_5 = _DMA_SBLK("13", 6);
+
+static const struct dpu_sspp_cfg sm8550_sspp[] = {
+ SSPP_BLK("sspp_0", SSPP_VIG0, 0x4000, VIG_SC7180_MASK,
+ sm8550_vig_sblk_0, 0, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG0),
+ SSPP_BLK("sspp_1", SSPP_VIG1, 0x6000, VIG_SC7180_MASK,
+ sm8550_vig_sblk_1, 4, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG1),
+ SSPP_BLK("sspp_2", SSPP_VIG2, 0x8000, VIG_SC7180_MASK,
+ sm8550_vig_sblk_2, 8, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG2),
+ SSPP_BLK("sspp_3", SSPP_VIG3, 0xa000, VIG_SC7180_MASK,
+ sm8550_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_SDM845_MASK,
+ sdm845_dma_sblk_2, 9, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA2),
+ SSPP_BLK("sspp_11", SSPP_DMA3, 0x2a000, DMA_SDM845_MASK,
+ sdm845_dma_sblk_3, 13, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA3),
+ SSPP_BLK("sspp_12", SSPP_DMA4, 0x2c000, DMA_CURSOR_SDM845_MASK,
+ sm8550_dma_sblk_4, 14, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR0),
+ SSPP_BLK("sspp_13", SSPP_DMA5, 0x2e000, DMA_CURSOR_SDM845_MASK,
+ sd8550_dma_sblk_5, 15, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR1),
+};
+
static const struct dpu_sspp_cfg sc7280_sspp[] = {
SSPP_BLK("sspp_0", SSPP_VIG0, 0x4000, VIG_SC7280_MASK,
sc7280_vig_sblk_0, 0, SSPP_TYPE_VIG, DPU_CLK_CTRL_VIG0),
@@ -1268,6 +1386,16 @@ static const struct dpu_pingpong_sub_blks sc7280_pp_sblk = {
.len = 0x20, .version = 0x20000},
};
+#define PP_BLK_DIPHER(_name, _id, _base, _merge_3d, _sblk, _done, _rdptr) \
+ {\
+ .name = _name, .id = _id, \
+ .base = _base, .len = 0, \

len = 0 looks incorrect. Any particular reason why can't we use plain PP_BLK here?

+ .features = BIT(DPU_PINGPONG_DITHER), \
+ .merge_3d = _merge_3d, \
+ .sblk = &_sblk, \
+ .intr_done = _done, \
+ .intr_rdptr = _rdptr, \
+ }
#define PP_BLK_TE(_name, _id, _base, _merge_3d, _sblk, _done, _rdptr) \
{\
.name = _name, .id = _id, \
@@ -1371,6 +1499,33 @@ static const struct dpu_pingpong_cfg sm8450_pp[] = {
-1),
};
+static const struct dpu_pingpong_cfg sm8550_pp[] = {
+ PP_BLK_DIPHER("pingpong_0", PINGPONG_0, 0x69000, MERGE_3D_0, sc7280_pp_sblk,
+ DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 8),
+ -1),
+ PP_BLK_DIPHER("pingpong_1", PINGPONG_1, 0x6a000, MERGE_3D_0, sc7280_pp_sblk,
+ DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 9),
+ -1),
+ PP_BLK_DIPHER("pingpong_2", PINGPONG_2, 0x6b000, MERGE_3D_1, sc7280_pp_sblk,
+ DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 10),
+ -1),
+ PP_BLK_DIPHER("pingpong_3", PINGPONG_3, 0x6c000, MERGE_3D_1, sc7280_pp_sblk,
+ DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 11),
+ -1),
+ PP_BLK_DIPHER("pingpong_4", PINGPONG_4, 0x6d000, MERGE_3D_2, sc7280_pp_sblk,
+ DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR2, 30),
+ -1),
+ PP_BLK_DIPHER("pingpong_5", PINGPONG_5, 0x6e000, MERGE_3D_2, sc7280_pp_sblk,
+ DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR2, 31),
+ -1),
+ PP_BLK_DIPHER("pingpong_6", PINGPONG_6, 0x66000, MERGE_3D_3, sc7280_pp_sblk,
+ -1,
+ -1),
+ PP_BLK_DIPHER("pingpong_7", PINGPONG_7, 0x66400, MERGE_3D_3, sc7280_pp_sblk,
+ -1,
+ -1),
+};
+
/*************************************************************
* MERGE_3D sub blocks config
*************************************************************/
@@ -1395,6 +1550,13 @@ static const struct dpu_merge_3d_cfg sm8450_merge_3d[] = {
MERGE_3D_BLK("merge_3d_3", MERGE_3D_3, 0x65f00),
};
+static const struct dpu_merge_3d_cfg sm8550_merge_3d[] = {
+ MERGE_3D_BLK("merge_3d_0", MERGE_3D_0, 0x4e000),
+ MERGE_3D_BLK("merge_3d_1", MERGE_3D_1, 0x4f000),
+ MERGE_3D_BLK("merge_3d_2", MERGE_3D_2, 0x50000),
+ MERGE_3D_BLK("merge_3d_3", MERGE_3D_3, 0x66700),
+};
+
/*************************************************************
* DSC sub blocks config
*************************************************************/
@@ -1481,6 +1643,14 @@ static const struct dpu_intf_cfg sm8450_intf[] = {
INTF_BLK("intf_3", INTF_3, 0x37000, INTF_DP, MSM_DP_CONTROLLER_1, 24, INTF_SC7280_MASK, MDP_SSPP_TOP0_INTR, 30, 31),
};
+static const struct dpu_intf_cfg sm8550_intf[] = {
+ INTF_BLK("intf_0", INTF_0, 0x34000, INTF_DP, MSM_DP_CONTROLLER_0, 24, INTF_SC7280_MASK, MDP_SSPP_TOP0_INTR, 24, 25),
+ /* TODO TE sub-blocks for intf1 & intf2 */
+ INTF_BLK("intf_1", INTF_1, 0x35000, INTF_DSI, 0, 24, INTF_SC7280_MASK, MDP_SSPP_TOP0_INTR, 26, 27),
+ INTF_BLK("intf_2", INTF_2, 0x36000, INTF_DSI, 1, 24, INTF_SC7280_MASK, MDP_SSPP_TOP0_INTR, 28, 29),
+ INTF_BLK("intf_3", INTF_3, 0x37000, INTF_DP, MSM_DP_CONTROLLER_1, 24, INTF_SC7280_MASK, MDP_SSPP_TOP0_INTR, 30, 31),
+};
+
/*************************************************************
* Writeback blocks config
*************************************************************/
@@ -2188,6 +2358,32 @@ static const struct dpu_mdss_cfg sm8450_dpu_cfg = {
.mdss_irqs = IRQ_SM8450_MASK,
};
+static const struct dpu_mdss_cfg sm8550_dpu_cfg = {
+ .caps = &sm8550_dpu_caps,
+ .mdp_count = ARRAY_SIZE(sm8550_mdp),
+ .mdp = sm8550_mdp,
+ .ctl_count = ARRAY_SIZE(sm8550_ctl),
+ .ctl = sm8550_ctl,
+ .sspp_count = ARRAY_SIZE(sm8550_sspp),
+ .sspp = sm8550_sspp,
+ .mixer_count = ARRAY_SIZE(sm8150_lm),
+ .mixer = sm8150_lm,
+ .dspp_count = ARRAY_SIZE(sm8150_dspp),
+ .dspp = sm8150_dspp,
+ .pingpong_count = ARRAY_SIZE(sm8550_pp),
+ .pingpong = sm8550_pp,
+ .merge_3d_count = ARRAY_SIZE(sm8550_merge_3d),
+ .merge_3d = sm8550_merge_3d,
+ .intf_count = ARRAY_SIZE(sm8550_intf),
+ .intf = sm8550_intf,
+ .vbif_count = ARRAY_SIZE(sdm845_vbif),
+ .vbif = sdm845_vbif,
+ .reg_dma_count = 1,
+ .dma_cfg = &sm8450_regdma,
+ .perf = &sm8450_perf_data,
+ .mdss_irqs = IRQ_SM8450_MASK,
+};
+
static const struct dpu_mdss_cfg sc7280_dpu_cfg = {
.caps = &sc7280_dpu_caps,
.mdp_count = ARRAY_SIZE(sc7280_mdp),
@@ -2248,6 +2444,7 @@ static const struct dpu_mdss_hw_cfg_handler cfg_handler[] = {
{ .hw_rev = DPU_HW_VER_650, .dpu_cfg = &qcm2290_dpu_cfg},
{ .hw_rev = DPU_HW_VER_720, .dpu_cfg = &sc7280_dpu_cfg},
{ .hw_rev = DPU_HW_VER_810, .dpu_cfg = &sm8450_dpu_cfg},
+ { .hw_rev = DPU_HW_VER_900, .dpu_cfg = &sm8550_dpu_cfg},
};
const struct dpu_mdss_cfg *dpu_hw_catalog_init(u32 hw_rev)
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 29e7ea5840a2..7a8380f5c643 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
@@ -48,6 +48,7 @@
#define DPU_HW_VER_650 DPU_HW_VER(6, 5, 0) /* qcm2290|sm4125 */
#define DPU_HW_VER_720 DPU_HW_VER(7, 2, 0) /* sc7280 */
#define DPU_HW_VER_810 DPU_HW_VER(8, 1, 0) /* sm8450 */
+#define DPU_HW_VER_900 DPU_HW_VER(9, 0, 0) /* sm8550 */
#define IS_MSM8996_TARGET(rev) IS_DPU_MAJOR_MINOR_SAME((rev), DPU_HW_VER_170)
#define IS_MSM8998_TARGET(rev) IS_DPU_MAJOR_MINOR_SAME((rev), DPU_HW_VER_300)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h
index 6d8e1bb3b3cc..dccad33532a9 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h
@@ -120,6 +120,8 @@ enum dpu_sspp {
SSPP_DMA1,
SSPP_DMA2,
SSPP_DMA3,
+ SSPP_DMA4,
+ SSPP_DMA5,
SSPP_CURSOR0,
SSPP_CURSOR1,
SSPP_MAX
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index 0434cad511a4..18fefa116a56 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -1303,6 +1303,7 @@ static const struct of_device_id dpu_dt_match[] = {
{ .compatible = "qcom,sm8150-dpu", },
{ .compatible = "qcom,sm8250-dpu", },
{ .compatible = "qcom,sm8450-dpu", },
+ { .compatible = "qcom,sm8550-dpu", },
{}
};
MODULE_DEVICE_TABLE(of, dpu_dt_match);


--
With best wishes
Dmitry