diff options
Diffstat (limited to 'drivers/gpu/drm/panel/panel-raydium-rm67200.c')
| -rw-r--r-- | drivers/gpu/drm/panel/panel-raydium-rm67200.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/drivers/gpu/drm/panel/panel-raydium-rm67200.c b/drivers/gpu/drm/panel/panel-raydium-rm67200.c index 6d4d00d4cd74..333faed62da7 100644 --- a/drivers/gpu/drm/panel/panel-raydium-rm67200.c +++ b/drivers/gpu/drm/panel/panel-raydium-rm67200.c @@ -36,12 +36,14 @@ static inline struct raydium_rm67200 *to_raydium_rm67200(struct drm_panel *panel static void raydium_rm67200_reset(struct raydium_rm67200 *ctx) { - gpiod_set_value_cansleep(ctx->reset_gpio, 0); - msleep(60); - gpiod_set_value_cansleep(ctx->reset_gpio, 1); - msleep(60); - gpiod_set_value_cansleep(ctx->reset_gpio, 0); - msleep(60); + if (ctx->reset_gpio) { + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + msleep(60); + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + msleep(60); + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + msleep(60); + } } static void raydium_rm67200_write(struct mipi_dsi_multi_context *ctx, @@ -383,9 +385,11 @@ static int raydium_rm67200_probe(struct mipi_dsi_device *dsi) struct raydium_rm67200 *ctx; int ret = 0; - ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); - if (!ctx) - return -ENOMEM; + ctx = devm_drm_panel_alloc(dev, struct raydium_rm67200, panel, + &raydium_rm67200_funcs, + DRM_MODE_CONNECTOR_DSI); + if (IS_ERR(ctx)) + return PTR_ERR(ctx); ctx->panel_info = device_get_match_data(dev); if (!ctx->panel_info) @@ -399,7 +403,7 @@ static int raydium_rm67200_probe(struct mipi_dsi_device *dsi) if (ret < 0) return ret; - ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); + ctx->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW); if (IS_ERR(ctx->reset_gpio)) return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio), "Failed to get reset-gpios\n"); @@ -413,9 +417,6 @@ static int raydium_rm67200_probe(struct mipi_dsi_device *dsi) MIPI_DSI_MODE_LPM; ctx->panel.prepare_prev_first = true; - drm_panel_init(&ctx->panel, dev, &raydium_rm67200_funcs, - DRM_MODE_CONNECTOR_DSI); - ret = drm_panel_of_backlight(&ctx->panel); if (ret) return ret; @@ -463,6 +464,7 @@ static const struct raydium_rm67200_panel_info w552793baa_info = { .vtotal = 1952, .width_mm = 68, /* 68.04mm */ .height_mm = 121, /* 120.96mm */ + .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC, .type = DRM_MODE_TYPE_DRIVER, }, .regulators = w552793baa_regulators, |