drm/mediatek: dpi: Remove output format of YUV

[ Upstream commit c9ed0713b3c35fc45677707ba47f432cad95da56 ]

DPI is not support output format as YUV, but there is the setting of
configuring output YUV. Therefore, remove them in this patch.

Fixes: 9e629c17aa8d ("drm/mediatek: Add DPI sub driver")
Signed-off-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
Link: https://patchwork.kernel.org/project/linux-mediatek/patch/20220701035845.16458-5-rex-bc.chen@mediatek.com/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
index e61cd67..675e2e4 100644 (file)
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -54,13 +54,7 @@ enum mtk_dpi_out_channel_swap {
 };
 
 enum mtk_dpi_out_color_format {
-       MTK_DPI_COLOR_FORMAT_RGB,
-       MTK_DPI_COLOR_FORMAT_RGB_FULL,
-       MTK_DPI_COLOR_FORMAT_YCBCR_444,
-       MTK_DPI_COLOR_FORMAT_YCBCR_422,
-       MTK_DPI_COLOR_FORMAT_XV_YCC,
-       MTK_DPI_COLOR_FORMAT_YCBCR_444_FULL,
-       MTK_DPI_COLOR_FORMAT_YCBCR_422_FULL
+       MTK_DPI_COLOR_FORMAT_RGB
 };
 
 struct mtk_dpi {
@@ -364,24 +358,11 @@ static void mtk_dpi_config_disable_edge(struct mtk_dpi *dpi)
 static void mtk_dpi_config_color_format(struct mtk_dpi *dpi,
                                        enum mtk_dpi_out_color_format format)
 {
-       if ((format == MTK_DPI_COLOR_FORMAT_YCBCR_444) ||
-           (format == MTK_DPI_COLOR_FORMAT_YCBCR_444_FULL)) {
-               mtk_dpi_config_yuv422_enable(dpi, false);
-               mtk_dpi_config_csc_enable(dpi, true);
-               mtk_dpi_config_swap_input(dpi, false);
-               mtk_dpi_config_channel_swap(dpi, MTK_DPI_OUT_CHANNEL_SWAP_BGR);
-       } else if ((format == MTK_DPI_COLOR_FORMAT_YCBCR_422) ||
-                  (format == MTK_DPI_COLOR_FORMAT_YCBCR_422_FULL)) {
-               mtk_dpi_config_yuv422_enable(dpi, true);
-               mtk_dpi_config_csc_enable(dpi, true);
-               mtk_dpi_config_swap_input(dpi, true);
-               mtk_dpi_config_channel_swap(dpi, MTK_DPI_OUT_CHANNEL_SWAP_RGB);
-       } else {
-               mtk_dpi_config_yuv422_enable(dpi, false);
-               mtk_dpi_config_csc_enable(dpi, false);
-               mtk_dpi_config_swap_input(dpi, false);
-               mtk_dpi_config_channel_swap(dpi, MTK_DPI_OUT_CHANNEL_SWAP_RGB);
-       }
+       /* only support RGB888 */
+       mtk_dpi_config_yuv422_enable(dpi, false);
+       mtk_dpi_config_csc_enable(dpi, false);
+       mtk_dpi_config_swap_input(dpi, false);
+       mtk_dpi_config_channel_swap(dpi, MTK_DPI_OUT_CHANNEL_SWAP_RGB);
 }
 
 static void mtk_dpi_dual_edge(struct mtk_dpi *dpi)