From 153780f66b5e37ef62cb1a656d769334dc26cc4a Mon Sep 17 00:00:00 2001 From: Peng Liu Date: Fri, 21 Aug 2026 10:41:02 +0800 Subject: [PATCH 1/4] drm: panel: jd9365da: add 2lane configuration for radxa_display_8hd_ad002 Signed-off-by: Peng Liu --- .../gpu/drm/panel/panel-jadard-jd9365da-h3.c | 214 ++++++++++++++++++ 1 file changed, 214 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c b/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c index 05f30a57f4e37..5f08351b2ad2f 100644 --- a/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c +++ b/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c @@ -402,6 +402,216 @@ static const struct jadard_panel_desc radxa_display_8hd_ad002_desc = { .format = MIPI_DSI_FMT_RGB888, .init = radxa_display_8hd_ad002_init_cmds, }; +static int radxa_display_8hd_ad002_2lane_init_cmds(struct jadard *jadard) +{ + struct mipi_dsi_multi_context dsi_ctx = { .dsi = jadard->dsi }; + + jd9365da_switch_page(&dsi_ctx, 0x00); + jadard_enable_standard_cmds(&dsi_ctx); + + jd9365da_switch_page(&dsi_ctx, 0x01); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x00, 0x00); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x01, 0x72); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x03, 0x00); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x04, 0x65); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x0C, 0x74); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x17, 0x00); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x18, 0xB7); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x19, 0x00); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x1A, 0x00); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x1B, 0xB7); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x1C, 0x00); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x24, 0xFE); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x37, 0x19); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x38, 0x05); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x39, 0x00); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x3A, 0x01); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x3B, 0x01); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x3C, 0x70); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x3D, 0xFF); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x3E, 0xFF); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x3F, 0xFF); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x40, 0x06); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x41, 0xA0); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x43, 0x1E); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x44, 0x0F); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x45, 0x28); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x4B, 0x04); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x55, 0x02); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x56, 0x01); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x57, 0xA9); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x58, 0x0A); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x59, 0x0A); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x5A, 0x37); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x5B, 0x19); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x5D, 0x78); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x5E, 0x63); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x5F, 0x54); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x60, 0x48); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x61, 0x45); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x62, 0x38); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x63, 0x3D); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x64, 0x28); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x65, 0x43); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x66, 0x41); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x67, 0x43); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x68, 0x62); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x69, 0x50); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6A, 0x57); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6B, 0x49); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6C, 0x44); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6D, 0x37); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6E, 0x23); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6F, 0x10); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x70, 0x78); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x71, 0x63); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x72, 0x54); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x73, 0x49); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x74, 0x45); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x75, 0x38); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x76, 0x3D); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x77, 0x28); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x78, 0x43); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x79, 0x41); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x7A, 0x43); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x7B, 0x62); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x7C, 0x50); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x7D, 0x57); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x7E, 0x49); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x7F, 0x44); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x80, 0x37); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x81, 0x23); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x82, 0x10); + + jd9365da_switch_page(&dsi_ctx, 0x02); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x00, 0x47); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x01, 0x47); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x02, 0x45); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x03, 0x45); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x04, 0x4B); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x05, 0x4B); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x06, 0x49); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x07, 0x49); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x08, 0x41); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x09, 0x1F); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x0A, 0x1F); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x0B, 0x1F); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x0C, 0x1F); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x0D, 0x1F); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x0E, 0x1F); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x0F, 0x5F); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x10, 0x5F); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x11, 0x57); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x12, 0x77); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x13, 0x35); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x14, 0x1F); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x15, 0x1F); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x16, 0x46); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x17, 0x46); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x18, 0x44); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x19, 0x44); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x1A, 0x4A); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x1B, 0x4A); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x1C, 0x48); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x1D, 0x48); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x1E, 0x40); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x1F, 0x1F); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x20, 0x1F); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x21, 0x1F); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x22, 0x1F); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x23, 0x1F); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x24, 0x1F); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x25, 0x5F); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x26, 0x5F); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x27, 0x57); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x28, 0x77); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x29, 0x35); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x2A, 0x1F); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x2B, 0x1F); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x58, 0x40); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x59, 0x00); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x5A, 0x00); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x5B, 0x10); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x5C, 0x06); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x5D, 0x40); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x5E, 0x01); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x5F, 0x02); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x60, 0x30); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x61, 0x01); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x62, 0x02); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x63, 0x03); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x64, 0x6B); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x65, 0x05); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x66, 0x0C); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x67, 0x73); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x68, 0x09); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x69, 0x03); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6A, 0x56); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6B, 0x08); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6C, 0x00); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6D, 0x04); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6E, 0x04); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6F, 0x88); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x70, 0x00); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x71, 0x00); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x72, 0x06); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x73, 0x7B); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x74, 0x00); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x75, 0xF8); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x76, 0x00); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x77, 0xD5); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x78, 0x2E); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x79, 0x12); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x7A, 0x03); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x7B, 0x00); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x7C, 0x00); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x7D, 0x03); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x7E, 0x7B); + + jd9365da_switch_page(&dsi_ctx, 0x04); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x00, 0x0E); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x02, 0xB3); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x09, 0x60); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x0E, 0x2A); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x36, 0x59); + + jd9365da_switch_page(&dsi_ctx, 0x00); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x80, 0x01); + jd9365da_switch_page(&dsi_ctx, 0x00); + + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x11, 0x00); + + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x29, 0x00); + mipi_dsi_msleep(&dsi_ctx, 120); + + return dsi_ctx.accum_err; +}; + +static const struct jadard_panel_desc radxa_display_8hd_ad002_2lane_desc = { + .mode = { + .clock = 70000, + + .hdisplay = 800, + .hsync_start = 800 + 40, + .hsync_end = 800 + 40 + 20, + .htotal = 800 + 40 + 20 + 20, + + .vdisplay = 1280, + .vsync_start = 1280 + 30, + .vsync_end = 1280 + 30 + 4, + .vtotal = 1280 + 30 + 4 + 28, + + .width_mm = 107, + .height_mm = 199, + .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, + .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, + }, + .lanes = 2, + .format = MIPI_DSI_FMT_RGB888, + .init = radxa_display_8hd_ad002_2lane_init_cmds, + .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | + MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET, +}; static int cz101b4001_init_cmds(struct jadard *jadard) { @@ -1475,6 +1685,10 @@ static const struct of_device_id jadard_of_match[] = { .compatible = "radxa,display-8hd-ad002", .data = &radxa_display_8hd_ad002_desc }, + { + .compatible = "radxa,display-8hd-ad002-2lane", + .data = &radxa_display_8hd_ad002_2lane_desc + }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, jadard_of_match); From 0413dc3b26ad07ca07ffdbfdf18d50d897e97cd2 Mon Sep 17 00:00:00 2001 From: Peng Liu Date: Fri, 21 Aug 2026 17:42:22 +0800 Subject: [PATCH 2/4] drm/msm/dpu: change the LM allocation method The maximum width of the layer is no longer fixed, and the platform's maximum layer width is used instead Signed-off-by: Peng Liu --- drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c index 36787dd1bd655..d179e20a659c4 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c @@ -1367,7 +1367,6 @@ static int dpu_crtc_reassign_planes(struct drm_crtc *crtc, struct drm_crtc_state } #define MAX_CHANNELS_PER_CRTC PIPES_PER_PLANE -#define MAX_HDISPLAY_SPLIT 1080 static struct msm_display_topology dpu_crtc_get_topology( struct drm_crtc *crtc, @@ -1403,7 +1402,7 @@ static struct msm_display_topology dpu_crtc_get_topology( * count both the WB and real-time phys encoders. * * For non-DSC CWB usecases, have the num_lm be decided by the - * (mode->hdisplay > MAX_HDISPLAY_SPLIT) check. + * platform's maximum mixer width. */ if (topology.num_intf == 2 && !topology.cwb_enabled) @@ -1412,7 +1411,8 @@ static struct msm_display_topology dpu_crtc_get_topology( topology.num_lm = 2; else if (dpu_kms->catalog->caps->has_3d_merge && topology.num_dsc == 0) - topology.num_lm = (mode->hdisplay > MAX_HDISPLAY_SPLIT) ? 2 : 1; + topology.num_lm = + (mode->hdisplay > dpu_kms->catalog->caps->max_mixer_width) ? 2 : 1; else topology.num_lm = 1; From 8b9bbc789784159ccd6ea48abf31856b6264130b Mon Sep 17 00:00:00 2001 From: Peng Liu Date: Mon, 24 Aug 2026 16:22:47 +0800 Subject: [PATCH 3/4] drm: panel: jd9365da: adjust the command writing method for radxa_display_8hd_ad002_2lane Signed-off-by: Peng Liu --- drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c b/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c index 5f08351b2ad2f..6957d35b80d88 100644 --- a/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c +++ b/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c @@ -579,11 +579,12 @@ static int radxa_display_8hd_ad002_2lane_init_cmds(struct jadard *jadard) mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x80, 0x01); jd9365da_switch_page(&dsi_ctx, 0x00); - mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x11, 0x00); - - mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x29, 0x00); mipi_dsi_msleep(&dsi_ctx, 120); + mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx); + + mipi_dsi_dcs_set_display_on_multi(&dsi_ctx); + return dsi_ctx.accum_err; }; From 199d7093b89438f05eb23342b258f33efc0eff3c Mon Sep 17 00:00:00 2001 From: Peng Liu Date: Wed, 26 Aug 2026 18:53:44 +0800 Subject: [PATCH 4/4] arm64: configs: radxa_qcom_7_0_defconfig: enable Raspiberry Pi 7-inch display Signed-off-by: Peng Liu --- arch/arm64/configs/radxa_qcom_7_0_defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/configs/radxa_qcom_7_0_defconfig b/arch/arm64/configs/radxa_qcom_7_0_defconfig index 3cd9386b229c6..bcc8724222a3f 100644 --- a/arch/arm64/configs/radxa_qcom_7_0_defconfig +++ b/arch/arm64/configs/radxa_qcom_7_0_defconfig @@ -2137,6 +2137,7 @@ CONFIG_DRM_SIMPLEDRM=y CONFIG_DRM_GM12U320=m CONFIG_DRM_PANEL_MIPI_DBI=m CONFIG_DRM_PIXPAPER=m +CONFIG_DRM_TOSHIBA_TC358762=m CONFIG_TINYDRM_HX8357D=m CONFIG_TINYDRM_ILI9163=m CONFIG_TINYDRM_ILI9225=m