[PATCH 4/5] drm/msm/dpu: Add SM7250 support

From: Ishu Brar via B4 Relay

Date: Sat Oct 31 2026 - 03:57:03 EST


From: Ishu Brar <patches@xxxxxxx>

Add definitions for the display hardware (DPU 6.1) used on the Qualcomm
SM7250 platform. The values come from the downstream lito devicetree.

Signed-off-by: Ishu Brar <patches@xxxxxxx>
---
.../gpu/drm/msm/disp/dpu1/catalog/dpu_6_1_sm7250.h | 311 +++++++++++++++++++++
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 1 +
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h | 1 +
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 1 +
4 files changed, 314 insertions(+)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_1_sm7250.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_1_sm7250.h
new file mode 100644
index 000000000000..802a96598f36
--- /dev/null
+++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_6_1_sm7250.h
@@ -0,0 +1,311 @@
+/* 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.
+ *
+ * SM7250, SDE hardware revision 6.1.0. Block offsets are relative to the
+ * "mdp" register region.
+ */
+
+#ifndef _DPU_6_1_SM7250_H
+#define _DPU_6_1_SM7250_H
+
+static const struct dpu_caps sm7250_dpu_caps = {
+ .max_mixer_width = DEFAULT_DPU_OUTPUT_LINE_WIDTH,
+ .max_mixer_blendstages = 0x9,
+ .has_src_split = true,
+ .has_dim_layer = true,
+ .has_idle_pc = true,
+ .has_3d_merge = true,
+ .max_linewidth = 2880,
+ .pixel_ram_size = DEFAULT_PIXEL_RAM_SIZE,
+ .max_hdeci_exp = MAX_HORZ_DECIMATION,
+ .max_vdeci_exp = MAX_VERT_DECIMATION,
+};
+
+static const struct dpu_mdp_cfg sm7250_mdp = {
+ .name = "top_0",
+ .base = 0x0, .len = 0x494,
+ .clk_ctrls = {
+ [DPU_CLK_CTRL_VIG0] = { .reg_off = 0x2ac, .bit_off = 0 },
+ [DPU_CLK_CTRL_VIG1] = { .reg_off = 0x2b4, .bit_off = 0 },
+ [DPU_CLK_CTRL_DMA0] = { .reg_off = 0x2ac, .bit_off = 8 },
+ [DPU_CLK_CTRL_DMA1] = { .reg_off = 0x2b4, .bit_off = 8 },
+ [DPU_CLK_CTRL_DMA2] = { .reg_off = 0x2c4, .bit_off = 8 },
+ [DPU_CLK_CTRL_REG_DMA] = { .reg_off = 0x2bc, .bit_off = 20 },
+ [DPU_CLK_CTRL_WB2] = { .reg_off = 0x2bc, .bit_off = 16 },
+ },
+};
+
+static const struct dpu_ctl_cfg sm7250_ctl[] = {
+ {
+ .name = "ctl_0", .id = CTL_0,
+ .base = 0x1000, .len = 0x1dc,
+ .intr_start = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR2, 9),
+ }, {
+ .name = "ctl_1", .id = CTL_1,
+ .base = 0x1200, .len = 0x1dc,
+ .intr_start = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR2, 10),
+ }, {
+ .name = "ctl_2", .id = CTL_2,
+ .base = 0x1400, .len = 0x1dc,
+ .intr_start = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR2, 11),
+ }, {
+ .name = "ctl_3", .id = CTL_3,
+ .base = 0x1600, .len = 0x1dc,
+ .intr_start = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR2, 12),
+ },
+};
+
+static const struct dpu_sspp_cfg sm7250_sspp[] = {
+ {
+ .name = "sspp_0", .id = SSPP_VIG0,
+ .base = 0x4000, .len = 0x1f8,
+ .features = VIG_SDM845_MASK_SDMA,
+ .sblk = &dpu_vig_sblk_qseed3_2_4,
+ .xin_id = 0,
+ .type = SSPP_TYPE_VIG,
+ .clk_ctrl = DPU_CLK_CTRL_VIG0,
+ }, {
+ .name = "sspp_1", .id = SSPP_VIG1,
+ .base = 0x6000, .len = 0x1f8,
+ .features = VIG_SDM845_MASK_SDMA,
+ .sblk = &dpu_vig_sblk_qseed3_2_4,
+ .xin_id = 4,
+ .type = SSPP_TYPE_VIG,
+ .clk_ctrl = DPU_CLK_CTRL_VIG1,
+ }, {
+ .name = "sspp_8", .id = SSPP_DMA0,
+ .base = 0x24000, .len = 0x1f8,
+ .features = DMA_SDM845_MASK_SDMA,
+ .sblk = &dpu_dma_sblk,
+ .xin_id = 1,
+ .type = SSPP_TYPE_DMA,
+ .clk_ctrl = DPU_CLK_CTRL_DMA0,
+ }, {
+ .name = "sspp_9", .id = SSPP_DMA1,
+ .base = 0x26000, .len = 0x1f8,
+ .features = DMA_SDM845_MASK_SDMA,
+ .sblk = &dpu_dma_sblk,
+ .xin_id = 5,
+ .type = SSPP_TYPE_DMA,
+ .clk_ctrl = DPU_CLK_CTRL_DMA1,
+ }, {
+ .name = "sspp_10", .id = SSPP_DMA2,
+ .base = 0x28000, .len = 0x1f8,
+ .features = DMA_CURSOR_SDM845_MASK_SDMA,
+ .sblk = &dpu_dma_sblk,
+ .xin_id = 9,
+ .type = SSPP_TYPE_DMA,
+ .clk_ctrl = DPU_CLK_CTRL_DMA2,
+ },
+};
+
+static const struct dpu_lm_cfg sm7250_lm[] = {
+ {
+ .name = "lm_0", .id = LM_0,
+ .base = 0x44000, .len = 0x320,
+ .features = MIXER_MSM8998_MASK,
+ .sblk = &sdm845_lm_sblk,
+ .lm_pair = LM_1,
+ .pingpong = PINGPONG_0,
+ .dspp = DSPP_0,
+ }, {
+ .name = "lm_1", .id = LM_1,
+ .base = 0x45000, .len = 0x320,
+ .features = MIXER_MSM8998_MASK,
+ .sblk = &sdm845_lm_sblk,
+ .lm_pair = LM_0,
+ .pingpong = PINGPONG_1,
+ .dspp = DSPP_1,
+ }, {
+ .name = "lm_2", .id = LM_2,
+ .base = 0x46000, .len = 0x320,
+ .features = MIXER_MSM8998_MASK,
+ .sblk = &sdm845_lm_sblk,
+ .lm_pair = LM_3,
+ .pingpong = PINGPONG_2,
+ }, {
+ .name = "lm_3", .id = LM_3,
+ .base = 0x47000, .len = 0x320,
+ .features = MIXER_MSM8998_MASK,
+ .sblk = &sdm845_lm_sblk,
+ .lm_pair = LM_2,
+ .pingpong = PINGPONG_3,
+ },
+};
+
+static const struct dpu_dspp_cfg sm7250_dspp[] = {
+ {
+ .name = "dspp_0", .id = DSPP_0,
+ .base = 0x54000, .len = 0x1800,
+ .sblk = &sdm845_dspp_sblk,
+ }, {
+ .name = "dspp_1", .id = DSPP_1,
+ .base = 0x56000, .len = 0x1800,
+ .sblk = &sdm845_dspp_sblk,
+ },
+};
+
+static const struct dpu_pingpong_cfg sm7250_pp[] = {
+ {
+ .name = "pingpong_0", .id = PINGPONG_0,
+ .base = 0x70000, .len = 0xd4,
+ .sblk = &sdm845_pp_sblk,
+ .merge_3d = MERGE_3D_0,
+ .intr_done = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 8),
+ }, {
+ .name = "pingpong_1", .id = PINGPONG_1,
+ .base = 0x70800, .len = 0xd4,
+ .sblk = &sdm845_pp_sblk,
+ .merge_3d = MERGE_3D_0,
+ .intr_done = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 9),
+ }, {
+ .name = "pingpong_2", .id = PINGPONG_2,
+ .base = 0x71000, .len = 0xd4,
+ .sblk = &sdm845_pp_sblk,
+ .merge_3d = MERGE_3D_1,
+ .intr_done = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 10),
+ }, {
+ .name = "pingpong_3", .id = PINGPONG_3,
+ .base = 0x71800, .len = 0xd4,
+ .sblk = &sdm845_pp_sblk,
+ .merge_3d = MERGE_3D_1,
+ .intr_done = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 11),
+ },
+};
+
+static const struct dpu_merge_3d_cfg sm7250_merge_3d[] = {
+ {
+ .name = "merge_3d_0", .id = MERGE_3D_0,
+ .base = 0x83000, .len = 0x8,
+ }, {
+ .name = "merge_3d_1", .id = MERGE_3D_1,
+ .base = 0x83100, .len = 0x8,
+ },
+};
+
+static const struct dpu_dsc_cfg sm7250_dsc[] = {
+ {
+ .name = "dsc_0", .id = DSC_0,
+ .base = 0x80000, .len = 0x140,
+ }, {
+ .name = "dsc_1", .id = DSC_1,
+ .base = 0x80400, .len = 0x140,
+ },
+};
+
+static const struct dpu_intf_cfg sm7250_intf[] = {
+ {
+ .name = "intf_0", .id = INTF_0,
+ .base = 0x6a000, .len = 0x280,
+ .type = INTF_DP,
+ .controller_id = MSM_DP_CONTROLLER_0,
+ .prog_fetch_lines_worst_case = 24,
+ .intr_underrun = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 24),
+ .intr_vsync = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 25),
+ }, {
+ .name = "intf_1", .id = INTF_1,
+ .base = 0x6a800, .len = 0x2b8,
+ .type = INTF_DSI,
+ .controller_id = MSM_DSI_CONTROLLER_0,
+ .prog_fetch_lines_worst_case = 24,
+ .intr_underrun = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 26),
+ .intr_vsync = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 27),
+ .intr_tear_rd_ptr = DPU_IRQ_IDX(MDP_INTF1_TEAR_INTR, 2),
+ }, {
+ .name = "intf_2", .id = INTF_2,
+ .base = 0x6b000, .len = 0x2b8,
+ .type = INTF_DSI,
+ .controller_id = MSM_DSI_CONTROLLER_1,
+ .prog_fetch_lines_worst_case = 24,
+ .intr_underrun = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 28),
+ .intr_vsync = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 29),
+ .intr_tear_rd_ptr = DPU_IRQ_IDX(MDP_INTF2_TEAR_INTR, 2),
+ }, {
+ .name = "intf_3", .id = INTF_3,
+ .base = 0x6b800, .len = 0x280,
+ .type = INTF_DP,
+ .controller_id = MSM_DP_CONTROLLER_0, /* pair with intf_0 for DP MST */
+ .prog_fetch_lines_worst_case = 24,
+ .intr_underrun = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 30),
+ .intr_vsync = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 31),
+ },
+};
+
+static const struct dpu_wb_cfg sm7250_wb[] = {
+ {
+ .name = "wb_2", .id = WB_2,
+ .base = 0x65000, .len = 0x2c8,
+ .features = WB_SDM845_MASK,
+ .format_list = wb2_formats_rgb_yuv,
+ .num_formats = ARRAY_SIZE(wb2_formats_rgb_yuv),
+ .clk_ctrl = DPU_CLK_CTRL_WB2,
+ .xin_id = 6,
+ .maxlinewidth = 4096,
+ .intr_wb_done = DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 4),
+ },
+};
+
+static const struct dpu_perf_cfg sm7250_perf_data = {
+ .max_bw_low = 5800000,
+ .max_bw_high = 8600000,
+ .min_core_ib = 4800000,
+ .min_llcc_ib = 0,
+ .min_dram_ib = 800000,
+ .min_prefill_lines = 35,
+ .danger_lut_tbl = {0xff, 0xffff, 0x0},
+ .safe_lut_tbl = {0xfffc, 0xff00, 0xffff},
+ .qos_lut_tbl = {
+ {
+ .nentry = ARRAY_SIZE(sm8150_qos_linear),
+ .entries = sm8150_qos_linear
+ }, {
+ .nentry = ARRAY_SIZE(sc7180_qos_macrotile),
+ .entries = sc7180_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_mdss_version sm7250_mdss_ver = {
+ .core_major_ver = 6,
+ .core_minor_ver = 1,
+};
+
+const struct dpu_mdss_cfg dpu_sm7250_cfg = {
+ .mdss_ver = &sm7250_mdss_ver,
+ .caps = &sm7250_dpu_caps,
+ .mdp = &sm7250_mdp,
+ .cdm = &dpu_cdm_5_x,
+ .ctl_count = ARRAY_SIZE(sm7250_ctl),
+ .ctl = sm7250_ctl,
+ .sspp_count = ARRAY_SIZE(sm7250_sspp),
+ .sspp = sm7250_sspp,
+ .mixer_count = ARRAY_SIZE(sm7250_lm),
+ .mixer = sm7250_lm,
+ .dspp_count = ARRAY_SIZE(sm7250_dspp),
+ .dspp = sm7250_dspp,
+ .dsc_count = ARRAY_SIZE(sm7250_dsc),
+ .dsc = sm7250_dsc,
+ .pingpong_count = ARRAY_SIZE(sm7250_pp),
+ .pingpong = sm7250_pp,
+ .merge_3d_count = ARRAY_SIZE(sm7250_merge_3d),
+ .merge_3d = sm7250_merge_3d,
+ .intf_count = ARRAY_SIZE(sm7250_intf),
+ .intf = sm7250_intf,
+ .vbif = &sdm845_vbif,
+ .wb_count = ARRAY_SIZE(sm7250_wb),
+ .wb = sm7250_wb,
+ .perf = &sm7250_perf_data,
+};
+
+#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 107150a8553f..a6c20dfb954a 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
@@ -777,6 +777,7 @@ static const struct dpu_qos_lut_entry sc7180_qos_nrt[] = {
#include "catalog/dpu_5_4_sm6125.h"

#include "catalog/dpu_6_0_sm8250.h"
+#include "catalog/dpu_6_1_sm7250.h"
#include "catalog/dpu_6_2_sc7180.h"
#include "catalog/dpu_6_3_sm6115.h"
#include "catalog/dpu_6_4_sm6350.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 f45faf87333e..7e0dfed99c71 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
@@ -780,6 +780,7 @@ extern const struct dpu_mdss_cfg dpu_sdm670_cfg;
extern const struct dpu_mdss_cfg dpu_sm8150_cfg;
extern const struct dpu_mdss_cfg dpu_sc8180x_cfg;
extern const struct dpu_mdss_cfg dpu_sm7150_cfg;
+extern const struct dpu_mdss_cfg dpu_sm7250_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;
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index da3556eb6ecc..6eb6f65ada91 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -1506,6 +1506,7 @@ static const struct of_device_id dpu_dt_match[] = {
{ .compatible = "qcom,sm6350-dpu", .data = &dpu_sm6350_cfg, },
{ .compatible = "qcom,sm6375-dpu", .data = &dpu_sm6375_cfg, },
{ .compatible = "qcom,sm7150-dpu", .data = &dpu_sm7150_cfg, },
+ { .compatible = "qcom,sm7250-dpu", .data = &dpu_sm7250_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, },

--
2.56.0