[PATCH v5 2/5] drm/meson: use default case for unsupported DSI pixel formats

From: Alexander Koskovich

Date: Tue Mar 24 2026 - 08:08:05 EST


Use default instead of listing unsupported formats explicitly, so the
switch statements don't need updating each time a new pixel format is
added.

Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
Signed-off-by: Alexander Koskovich <akoskovich@xxxxx>
---
drivers/gpu/drm/meson/meson_dw_mipi_dsi.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/meson/meson_dw_mipi_dsi.c b/drivers/gpu/drm/meson/meson_dw_mipi_dsi.c
index 66c73c512b0e..4412bd678108 100644
--- a/drivers/gpu/drm/meson/meson_dw_mipi_dsi.c
+++ b/drivers/gpu/drm/meson/meson_dw_mipi_dsi.c
@@ -119,8 +119,7 @@ static int dw_mipi_dsi_phy_init(void *priv_data)
dpi_data_format = DPI_COLOR_18BIT_CFG_2;
venc_data_width = VENC_IN_COLOR_18B;
break;
- case MIPI_DSI_FMT_RGB666_PACKED:
- case MIPI_DSI_FMT_RGB565:
+ default:
return -EINVAL;
}

@@ -232,8 +231,7 @@ static int meson_dw_mipi_dsi_host_attach(void *priv_data,
break;
case MIPI_DSI_FMT_RGB666:
break;
- case MIPI_DSI_FMT_RGB666_PACKED:
- case MIPI_DSI_FMT_RGB565:
+ default:
dev_err(mipi_dsi->dev, "invalid pixel format %d\n", device->format);
return -EINVAL;
}

--
2.53.0