diff options
Diffstat (limited to 'SOURCES/0006-drm-panel-st7703-Prepare-for-supporting-multiple-pan.patch')
| -rw-r--r-- | SOURCES/0006-drm-panel-st7703-Prepare-for-supporting-multiple-pan.patch | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/SOURCES/0006-drm-panel-st7703-Prepare-for-supporting-multiple-pan.patch b/SOURCES/0006-drm-panel-st7703-Prepare-for-supporting-multiple-pan.patch new file mode 100644 index 0000000..8436ea3 --- /dev/null +++ b/SOURCES/0006-drm-panel-st7703-Prepare-for-supporting-multiple-pan.patch @@ -0,0 +1,129 @@ +From 19802e031428f7cf967259fdf8794a971164a44a Mon Sep 17 00:00:00 2001 +From: Ondrej Jirman <megous@megous.com> +Date: Fri, 26 Jun 2020 02:55:54 +0200 +Subject: [PATCH 06/13] drm/panel: st7703: Prepare for supporting multiple + panels + +Parametrize the driver so that it can support more panels based +on st7703 controller. + +Signed-off-by: Ondrej Jirman <megous@megous.com> +--- + drivers/gpu/drm/panel/panel-sitronix-st7703.c | 43 +++++++++++++------ + 1 file changed, 31 insertions(+), 12 deletions(-) + +diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7703.c b/drivers/gpu/drm/panel/panel-sitronix-st7703.c +index 511af659f273b..08cbc316266c1 100644 +--- a/drivers/gpu/drm/panel/panel-sitronix-st7703.c ++++ b/drivers/gpu/drm/panel/panel-sitronix-st7703.c +@@ -13,6 +13,7 @@ + #include <linux/media-bus-format.h> + #include <linux/mod_devicetable.h> + #include <linux/module.h> ++#include <linux/of_device.h> + #include <linux/regulator/consumer.h> + + #include <video/display_timing.h> +@@ -56,6 +57,15 @@ struct st7703 { + bool prepared; + + struct dentry *debugfs; ++ const struct st7703_panel_desc *desc; ++}; ++ ++struct st7703_panel_desc { ++ const struct drm_display_mode *mode; ++ unsigned int lanes; ++ unsigned long mode_flags; ++ enum mipi_dsi_pixel_format format; ++ int (*init_sequence)(struct st7703 *ctx); + }; + + static inline struct st7703 *panel_to_st7703(struct drm_panel *panel) +@@ -148,7 +158,7 @@ static int st7703_enable(struct drm_panel *panel) + struct st7703 *ctx = panel_to_st7703(panel); + int ret; + +- ret = jh057n_init_sequence(ctx); ++ ret = ctx->desc->init_sequence(ctx); + if (ret < 0) { + DRM_DEV_ERROR(ctx->dev, "Panel init sequence failed: %d\n", + ret); +@@ -216,7 +226,7 @@ static int st7703_prepare(struct drm_panel *panel) + return ret; + } + +-static const struct drm_display_mode default_mode = { ++static const struct drm_display_mode jh057n00900_mode = { + .hdisplay = 720, + .hsync_start = 720 + 90, + .hsync_end = 720 + 90 + 20, +@@ -232,17 +242,26 @@ static const struct drm_display_mode default_mode = { + .height_mm = 130, + }; + ++struct st7703_panel_desc jh057n00900_panel_desc = { ++ .mode = &jh057n00900_mode, ++ .lanes = 4, ++ .mode_flags = MIPI_DSI_MODE_VIDEO | ++ MIPI_DSI_MODE_VIDEO_BURST | MIPI_DSI_MODE_VIDEO_SYNC_PULSE, ++ .format = MIPI_DSI_FMT_RGB888, ++ .init_sequence = jh057n_init_sequence, ++}; ++ + static int st7703_get_modes(struct drm_panel *panel, + struct drm_connector *connector) + { + struct st7703 *ctx = panel_to_st7703(panel); + struct drm_display_mode *mode; + +- mode = drm_mode_duplicate(connector->dev, &default_mode); ++ mode = drm_mode_duplicate(connector->dev, ctx->desc->mode); + if (!mode) { + DRM_DEV_ERROR(ctx->dev, "Failed to add mode %ux%u@%u\n", +- default_mode.hdisplay, default_mode.vdisplay, +- default_mode.vrefresh); ++ ctx->desc->mode->hdisplay, ctx->desc->mode->vdisplay, ++ ctx->desc->mode->vrefresh); + return -ENOMEM; + } + +@@ -317,11 +336,11 @@ static int st7703_probe(struct mipi_dsi_device *dsi) + mipi_dsi_set_drvdata(dsi, ctx); + + ctx->dev = dev; ++ ctx->desc = of_device_get_match_data(dev); + +- dsi->lanes = 4; +- dsi->format = MIPI_DSI_FMT_RGB888; +- dsi->mode_flags = MIPI_DSI_MODE_VIDEO | +- MIPI_DSI_MODE_VIDEO_BURST | MIPI_DSI_MODE_VIDEO_SYNC_PULSE; ++ dsi->mode_flags = ctx->desc->mode_flags; ++ dsi->format = ctx->desc->format; ++ dsi->lanes = ctx->desc->lanes; + + ctx->vcc = devm_regulator_get(dev, "vcc"); + if (IS_ERR(ctx->vcc)) { +@@ -361,8 +380,8 @@ static int st7703_probe(struct mipi_dsi_device *dsi) + } + + DRM_DEV_INFO(dev, "%ux%u@%u %ubpp dsi %udl - ready\n", +- default_mode.hdisplay, default_mode.vdisplay, +- default_mode.vrefresh, ++ ctx->desc->mode->hdisplay, ctx->desc->mode->vdisplay, ++ ctx->desc->mode->vrefresh, + mipi_dsi_pixel_format_to_bpp(dsi->format), dsi->lanes); + + st7703_debugfs_init(ctx); +@@ -405,7 +424,7 @@ static int st7703_remove(struct mipi_dsi_device *dsi) + } + + static const struct of_device_id st7703_of_match[] = { +- { .compatible = "rocktech,jh057n00900" }, ++ { .compatible = "rocktech,jh057n00900", .data = &jh057n00900_panel_desc }, + { /* sentinel */ } + }; + MODULE_DEVICE_TABLE(of, st7703_of_match); +-- +2.26.2 + |