drm/msm: add support for QCM2290 MDSS

Add compatibility for QCM2290 display subsystem, including
required entries in DPU hw catalog.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/474087/
Link: https://lore.kernel.org/r/1644852547-10067-1-git-send-email-loic.poulain@linaro.orgSigned-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c

@@ -28,6 +28,8 @@
 #define VIG_SM8250_MASK \
 	(VIG_MASK | BIT(DPU_SSPP_QOS_8LVL) | BIT(DPU_SSPP_SCALER_QSEED3LITE))
 
+#define VIG_QCM2290_MASK (VIG_MASK | BIT(DPU_SSPP_QOS_8LVL))
+
 #define DMA_MSM8998_MASK \
 	(BIT(DPU_SSPP_SRC) | BIT(DPU_SSPP_QOS) |\
 	BIT(DPU_SSPP_TS_PREFILL) | BIT(DPU_SSPP_TS_PREFILL_REC1) |\
@@ -336,6 +338,17 @@ static const struct dpu_mdp_cfg msm8998_mdp[] = {
 	},
 };
 
+static const struct dpu_caps qcm2290_dpu_caps = {
+	.max_mixer_width = DEFAULT_DPU_OUTPUT_LINE_WIDTH,
+	.max_mixer_blendstages = 0x4,
+	.smart_dma_rev = DPU_SSPP_SMART_DMA_V2,
+	.ubwc_version = DPU_HW_UBWC_VER_20,
+	.has_dim_layer = true,
+	.has_idle_pc = true,
+	.max_linewidth = 2160,
+	.pixel_ram_size = DEFAULT_PIXEL_RAM_SIZE,
+};
+
 static const struct dpu_mdp_cfg sdm845_mdp[] = {
 	{
 	.name = "top_0", .id = MDP_TOP,
@@ -446,6 +459,19 @@ static const struct dpu_mdp_cfg sc7280_mdp[] = {
 	},
 };
 
+static const struct dpu_mdp_cfg qcm2290_mdp[] = {
+	{
+	.name = "top_0", .id = MDP_TOP,
+	.base = 0x0, .len = 0x494,
+	.features = 0,
+	.highest_bank_bit = 0x2,
+	.clk_ctrls[DPU_CLK_CTRL_VIG0] = {
+		.reg_off = 0x2AC, .bit_off = 0},
+	.clk_ctrls[DPU_CLK_CTRL_DMA0] = {
+		.reg_off = 0x2AC, .bit_off = 8},
+	},
+};
+
 /*************************************************************
  * CTL sub blocks config
  *************************************************************/
@@ -602,6 +628,15 @@ static const struct dpu_ctl_cfg sc7280_ctl[] = {
 	},
 };
 
+static const struct dpu_ctl_cfg qcm2290_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),
+	},
+};
+
 /*************************************************************
  * SSPP sub blocks config
  *************************************************************/
@@ -766,6 +801,30 @@ static const struct dpu_sspp_cfg sc7280_sspp[] = {
 		sdm845_dma_sblk_2, 9, SSPP_TYPE_DMA, DPU_CLK_CTRL_CURSOR1),
 };
 
+
+#define _VIG_SBLK_NOSCALE(num, sdma_pri) \
+	{ \
+	.maxdwnscale = SSPP_UNITY_SCALE, \
+	.maxupscale = SSPP_UNITY_SCALE, \
+	.smart_dma_priority = sdma_pri, \
+	.src_blk = {.name = STRCAT("sspp_src_", num), \
+		.id = DPU_SSPP_SRC, .base = 0x00, .len = 0x150,}, \
+	.format_list = plane_formats_yuv, \
+	.num_formats = ARRAY_SIZE(plane_formats_yuv), \
+	.virt_format_list = plane_formats, \
+	.virt_num_formats = ARRAY_SIZE(plane_formats), \
+	}
+
+static const struct dpu_sspp_sub_blks qcm2290_vig_sblk_0 = _VIG_SBLK_NOSCALE("0", 2);
+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),
+	SSPP_BLK("sspp_8", SSPP_DMA0, 0x24000,  DMA_SDM845_MASK,
+		 qcm2290_dma_sblk_0, 1, SSPP_TYPE_DMA, DPU_CLK_CTRL_DMA0),
+};
+
 /*************************************************************
  * MIXER sub blocks config
  *************************************************************/
@@ -876,6 +935,21 @@ static const struct dpu_lm_cfg sc7280_lm[] = {
 		&sc7180_lm_sblk, PINGPONG_3, LM_2, 0),
 };
 
+/* QCM2290 */
+
+static const struct dpu_lm_sub_blks qcm2290_lm_sblk = {
+	.maxwidth = DEFAULT_DPU_OUTPUT_LINE_WIDTH,
+	.maxblendstages = 4, /* excluding base layer */
+	.blendstage_base = { /* offsets relative to mixer base */
+		0x20, 0x38, 0x50, 0x68
+	},
+};
+
+static const struct dpu_lm_cfg qcm2290_lm[] = {
+	LM_BLK("lm_0", LM_0, 0x44000, MIXER_SC7180_MASK,
+		&qcm2290_lm_sblk, PINGPONG_0, 0, DSPP_0),
+};
+
 /*************************************************************
  * DSPP sub blocks config
  *************************************************************/
@@ -927,6 +1001,11 @@ static const struct dpu_dspp_cfg sm8150_dspp[] = {
 		 &sm8150_dspp_sblk),
 };
 
+static const struct dpu_dspp_cfg qcm2290_dspp[] = {
+	DSPP_BLK("dspp_0", DSPP_0, 0x54000, DSPP_SC7180_MASK,
+		 &sm8150_dspp_sblk),
+};
+
 /*************************************************************
  * PINGPONG sub blocks config
  *************************************************************/
@@ -1009,6 +1088,12 @@ static const struct dpu_pingpong_cfg sm8150_pp[] = {
 			-1),
 };
 
+static struct dpu_pingpong_cfg qcm2290_pp[] = {
+	PP_BLK("pingpong_0", PINGPONG_0, 0x70000, 0, sdm845_pp_sblk,
+		DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 8),
+		DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 12)),
+};
+
 /*************************************************************
  * MERGE_3D sub blocks config
  *************************************************************/
@@ -1089,6 +1174,11 @@ static const struct dpu_intf_cfg sc8180x_intf[] = {
 	INTF_BLK("intf_5", INTF_5, 0x6C800, INTF_DP, MSM_DP_CONTROLLER_2, 24, INTF_SC7180_MASK, MDP_SSPP_TOP0_INTR, 22, 23),
 };
 
+static const struct dpu_intf_cfg qcm2290_intf[] = {
+	INTF_BLK("intf_0", INTF_0, 0x00000, INTF_NONE, 0, 0, 0, 0, 0, 0),
+	INTF_BLK("intf_1", INTF_1, 0x6A800, INTF_DSI, 0, 24, INTF_SC7180_MASK, MDP_SSPP_TOP0_INTR, 26, 27),
+};
+
 /*************************************************************
  * VBIF sub blocks config
  *************************************************************/
@@ -1234,6 +1324,10 @@ static const struct dpu_qos_lut_entry sc8180x_qos_linear[] = {
 	{.fl = 4, .lut = 0x0000000000000357 },
 };
 
+static const struct dpu_qos_lut_entry qcm2290_qos_linear[] = {
+	{.fl = 0, .lut = 0x0011222222335777},
+};
+
 static const struct dpu_qos_lut_entry sdm845_qos_macrotile[] = {
 	{.fl = 10, .lut = 0x344556677},
 	{.fl = 11, .lut = 0x3344556677},
@@ -1476,6 +1570,27 @@ static const struct dpu_perf_cfg sc7280_perf_data = {
 	.bw_inefficiency_factor = 120,
 };
 
+static const struct dpu_perf_cfg qcm2290_perf_data = {
+	.max_bw_low = 2700000,
+	.max_bw_high = 2700000,
+	.min_core_ib = 1300000,
+	.min_llcc_ib = 0,
+	.min_dram_ib = 1600000,
+	.min_prefill_lines = 24,
+	.danger_lut_tbl = {0xff, 0x0, 0x0},
+	.safe_lut_tbl = {0xfff0, 0x0, 0x0},
+	.qos_lut_tbl = {
+		{.nentry = ARRAY_SIZE(qcm2290_qos_linear),
+		.entries = qcm2290_qos_linear
+		},
+	},
+	.cdp_cfg = {
+		{.rd_enable = 1, .wr_enable = 1},
+		{.rd_enable = 1, .wr_enable = 0}
+	},
+	.clk_inefficiency_factor = 105,
+	.bw_inefficiency_factor = 120,
+};
 /*************************************************************
  * Hardware catalog init
  *************************************************************/
@@ -1688,6 +1803,38 @@ static void sc7280_cfg_init(struct dpu_mdss_cfg *dpu_cfg)
 	};
 }
 
+
+/*
+ * qcm2290_cfg_init(): populate qcm2290 dpu sub-blocks reg offsets
+ * and instance counts.
+ */
+static void qcm2290_cfg_init(struct dpu_mdss_cfg *dpu_cfg)
+{
+	*dpu_cfg = (struct dpu_mdss_cfg){
+		.caps = &qcm2290_dpu_caps,
+		.mdp_count = ARRAY_SIZE(qcm2290_mdp),
+		.mdp = qcm2290_mdp,
+		.ctl_count = ARRAY_SIZE(qcm2290_ctl),
+		.ctl = qcm2290_ctl,
+		.sspp_count = ARRAY_SIZE(qcm2290_sspp),
+		.sspp = qcm2290_sspp,
+		.mixer_count = ARRAY_SIZE(qcm2290_lm),
+		.mixer = qcm2290_lm,
+		.dspp_count = ARRAY_SIZE(qcm2290_dspp),
+		.dspp = qcm2290_dspp,
+		.pingpong_count = ARRAY_SIZE(qcm2290_pp),
+		.pingpong = qcm2290_pp,
+		.intf_count = ARRAY_SIZE(qcm2290_intf),
+		.intf = qcm2290_intf,
+		.vbif_count = ARRAY_SIZE(sdm845_vbif),
+		.vbif = sdm845_vbif,
+		.reg_dma_count = 1,
+		.dma_cfg = sdm845_regdma,
+		.perf = qcm2290_perf_data,
+		.mdss_irqs = IRQ_SC7180_MASK,
+	};
+}
+
 static const struct dpu_mdss_hw_cfg_handler cfg_handler[] = {
 	{ .hw_rev = DPU_HW_VER_300, .cfg_init = msm8998_cfg_init},
 	{ .hw_rev = DPU_HW_VER_301, .cfg_init = msm8998_cfg_init},
@@ -1698,6 +1845,7 @@ static const struct dpu_mdss_hw_cfg_handler cfg_handler[] = {
 	{ .hw_rev = DPU_HW_VER_510, .cfg_init = sc8180x_cfg_init},
 	{ .hw_rev = DPU_HW_VER_600, .cfg_init = sm8250_cfg_init},
 	{ .hw_rev = DPU_HW_VER_620, .cfg_init = sc7180_cfg_init},
+	{ .hw_rev = DPU_HW_VER_650, .cfg_init = qcm2290_cfg_init},
 	{ .hw_rev = DPU_HW_VER_720, .cfg_init = sc7280_cfg_init},
 };
 

drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h

@@ -42,6 +42,7 @@
 #define DPU_HW_VER_510	DPU_HW_VER(5, 1, 1) /* sc8180 */
 #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_650	DPU_HW_VER(6, 5, 0) /* qcm2290|sm4125 */
 #define DPU_HW_VER_720	DPU_HW_VER(7, 2, 0) /* sc7280 */
 
 #define IS_MSM8996_TARGET(rev) IS_DPU_MAJOR_MINOR_SAME((rev), DPU_HW_VER_170)

drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c

@@ -1329,6 +1329,7 @@ static const struct dev_pm_ops dpu_pm_ops = {
 
 const struct of_device_id dpu_dt_match[] = {
 	{ .compatible = "qcom,msm8998-dpu", },
+	{ .compatible = "qcom,qcm2290-dpu", },
 	{ .compatible = "qcom,sdm845-dpu", },
 	{ .compatible = "qcom,sc7180-dpu", },
 	{ .compatible = "qcom,sc7280-dpu", },

drivers/gpu/drm/msm/msm_drv.c

@@ -1436,6 +1436,7 @@ static const struct of_device_id dt_match[] = {
 	{ .compatible = "qcom,mdp4", .data = (void *)KMS_MDP4 },
 	{ .compatible = "qcom,mdss", .data = (void *)KMS_MDP5 },
 	{ .compatible = "qcom,msm8998-mdss", .data = (void *)KMS_DPU },
+	{ .compatible = "qcom,qcm2290-mdss", .data = (void *)KMS_DPU },
 	{ .compatible = "qcom,sdm845-mdss", .data = (void *)KMS_DPU },
 	{ .compatible = "qcom,sc7180-mdss", .data = (void *)KMS_DPU },
 	{ .compatible = "qcom,sc7280-mdss", .data = (void *)KMS_DPU },