diff options
Diffstat (limited to 'drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c')
| -rw-r--r-- | drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c | 67 |
1 files changed, 30 insertions, 37 deletions
diff --git a/drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c b/drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c index 95b789ab9d29..4f8d6d8c07e4 100644 --- a/drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c +++ b/drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c @@ -7,12 +7,11 @@ #include <drm/drm_mipi_dsi.h> #include <drm/drm_modes.h> #include <drm/drm_panel.h> -#include <drm/drm_print.h> #include <linux/gpio/consumer.h> #include <linux/delay.h> #include <linux/module.h> -#include <linux/of_device.h> +#include <linux/mod_devicetable.h> #include <linux/regulator/consumer.h> #define FEIYANG_INIT_CMD_LEN 2 @@ -118,13 +117,11 @@ static int feiyang_unprepare(struct drm_panel *panel) ret = mipi_dsi_dcs_set_display_off(ctx->dsi); if (ret < 0) - DRM_DEV_ERROR(panel->dev, "failed to set display off: %d\n", - ret); + dev_err(panel->dev, "failed to set display off: %d\n", ret); ret = mipi_dsi_dcs_enter_sleep_mode(ctx->dsi); if (ret < 0) - DRM_DEV_ERROR(panel->dev, "failed to enter sleep mode: %d\n", - ret); + dev_err(panel->dev, "failed to enter sleep mode: %d\n", ret); /* T13 (backlight fall + video & logic signal fall) T13 >= 200ms */ msleep(200); @@ -153,7 +150,6 @@ static const struct drm_display_mode feiyang_default_mode = { .vsync_start = 600 + 12, .vsync_end = 600 + 12 + 2, .vtotal = 600 + 12 + 2 + 21, - .vrefresh = 60, .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, }; @@ -166,10 +162,10 @@ static int feiyang_get_modes(struct drm_panel *panel, mode = drm_mode_duplicate(connector->dev, &feiyang_default_mode); if (!mode) { - DRM_DEV_ERROR(&ctx->dsi->dev, "failed to add mode %ux%ux@%u\n", - feiyang_default_mode.hdisplay, - feiyang_default_mode.vdisplay, - feiyang_default_mode.vrefresh); + dev_err(&ctx->dsi->dev, "failed to add mode %ux%u@%u\n", + feiyang_default_mode.hdisplay, + feiyang_default_mode.vdisplay, + drm_mode_vrefresh(&feiyang_default_mode)); return -ENOMEM; } @@ -193,57 +189,54 @@ static int feiyang_dsi_probe(struct mipi_dsi_device *dsi) struct feiyang *ctx; int ret; - ctx = devm_kzalloc(&dsi->dev, sizeof(*ctx), GFP_KERNEL); - if (!ctx) - return -ENOMEM; + ctx = devm_drm_panel_alloc(&dsi->dev, struct feiyang, panel, + &feiyang_funcs, DRM_MODE_CONNECTOR_DSI); + if (IS_ERR(ctx)) + return PTR_ERR(ctx); mipi_dsi_set_drvdata(dsi, ctx); ctx->dsi = dsi; - drm_panel_init(&ctx->panel, &dsi->dev, &feiyang_funcs, - DRM_MODE_CONNECTOR_DSI); - ctx->dvdd = devm_regulator_get(&dsi->dev, "dvdd"); - if (IS_ERR(ctx->dvdd)) { - DRM_DEV_ERROR(&dsi->dev, "Couldn't get dvdd regulator\n"); - return PTR_ERR(ctx->dvdd); - } + if (IS_ERR(ctx->dvdd)) + return dev_err_probe(&dsi->dev, PTR_ERR(ctx->dvdd), + "Couldn't get dvdd regulator\n"); ctx->avdd = devm_regulator_get(&dsi->dev, "avdd"); - if (IS_ERR(ctx->avdd)) { - DRM_DEV_ERROR(&dsi->dev, "Couldn't get avdd regulator\n"); - return PTR_ERR(ctx->avdd); - } + if (IS_ERR(ctx->avdd)) + return dev_err_probe(&dsi->dev, PTR_ERR(ctx->avdd), + "Couldn't get avdd regulator\n"); - ctx->reset = devm_gpiod_get(&dsi->dev, "reset", GPIOD_OUT_LOW); - if (IS_ERR(ctx->reset)) { - DRM_DEV_ERROR(&dsi->dev, "Couldn't get our reset GPIO\n"); - return PTR_ERR(ctx->reset); - } + ctx->reset = devm_gpiod_get_optional(&dsi->dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(ctx->reset)) + return dev_err_probe(&dsi->dev, PTR_ERR(ctx->reset), + "Couldn't get our reset GPIO\n"); ret = drm_panel_of_backlight(&ctx->panel); if (ret) return ret; - ret = drm_panel_add(&ctx->panel); - if (ret < 0) - return ret; + drm_panel_add(&ctx->panel); dsi->mode_flags = MIPI_DSI_MODE_VIDEO_BURST; dsi->format = MIPI_DSI_FMT_RGB888; dsi->lanes = 4; - return mipi_dsi_attach(dsi); + ret = mipi_dsi_attach(dsi); + if (ret < 0) { + drm_panel_remove(&ctx->panel); + return ret; + } + + return 0; } -static int feiyang_dsi_remove(struct mipi_dsi_device *dsi) +static void feiyang_dsi_remove(struct mipi_dsi_device *dsi) { struct feiyang *ctx = mipi_dsi_get_drvdata(dsi); mipi_dsi_detach(dsi); drm_panel_remove(&ctx->panel); - - return 0; } static const struct of_device_id feiyang_of_match[] = { |