drm/mediatek: Support UYVY and YUYV format for overlay

MT8173 overlay can support UYVY and YUYV format,
we add the format in DRM driver.

Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: CK Hu <ck.hu@mediatek.com>

diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
index a14d7d6..35bc5ba 100644 (file)
--- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
@@ -42,9 +42,12 @@
 #define        OVL_RDMA_MEM_GMC        0x40402020
 
 #define OVL_CON_BYTE_SWAP      BIT(24)
+#define OVL_CON_MTX_YUV_TO_RGB (6 << 16)
 #define OVL_CON_CLRFMT_RGB     (1 << 12)
 #define OVL_CON_CLRFMT_RGBA8888        (2 << 12)
 #define OVL_CON_CLRFMT_ARGB8888        (3 << 12)
+#define OVL_CON_CLRFMT_UYVY    (4 << 12)
+#define OVL_CON_CLRFMT_YUYV    (5 << 12)
 #define OVL_CON_CLRFMT_RGB565(ovl)     ((ovl)->data->fmt_rgb565_is_0 ? \
                                        0 : OVL_CON_CLRFMT_RGB)
 #define OVL_CON_CLRFMT_RGB888(ovl)     ((ovl)->data->fmt_rgb565_is_0 ? \
@@ -176,6 +179,10 @@ static unsigned int ovl_fmt_convert(struct mtk_disp_ovl *ovl, unsigned int fmt)
        case DRM_FORMAT_XBGR8888:
        case DRM_FORMAT_ABGR8888:
                return OVL_CON_CLRFMT_RGBA8888 | OVL_CON_BYTE_SWAP;
+       case DRM_FORMAT_UYVY:
+               return OVL_CON_CLRFMT_UYVY | OVL_CON_MTX_YUV_TO_RGB;
+       case DRM_FORMAT_YUYV:
+               return OVL_CON_CLRFMT_YUYV | OVL_CON_MTX_YUV_TO_RGB;
        }
 }
 

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
index e405e89..1a59b9a 100644 (file)
--- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.c
@@ -28,6 +28,8 @@ static const u32 formats[] = {
        DRM_FORMAT_XRGB8888,
        DRM_FORMAT_ARGB8888,
        DRM_FORMAT_RGB565,
+       DRM_FORMAT_UYVY,
+       DRM_FORMAT_YUYV,
 };
 
 static void mtk_plane_reset(struct drm_plane *plane)