Dp_intf supports YUV422 as output format. In MT8195 Chrome project, YUV422 output format is used for 4K resolution.
Signed-off-by: Bo-Chen Chen rex-bc.chen@mediatek.com --- drivers/gpu/drm/mediatek/mtk_dpi.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index f83ecb154457..fc76ccad0a82 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -692,7 +692,10 @@ static int mtk_dpi_bridge_atomic_check(struct drm_bridge *bridge, dpi->bit_num = MTK_DPI_OUT_BIT_NUM_8BITS; dpi->channel_swap = MTK_DPI_OUT_CHANNEL_SWAP_RGB; dpi->yc_map = MTK_DPI_OUT_YC_MAP_RGB; - dpi->color_format = MTK_DPI_COLOR_FORMAT_RGB; + if (out_bus_format == MEDIA_BUS_FMT_YUYV8_1X16) + dpi->color_format = MTK_DPI_COLOR_FORMAT_YCBCR_422_FULL; + else + dpi->color_format = MTK_DPI_COLOR_FORMAT_RGB;
return 0; }