AFAICT, the only difference between NV12 and NV21 is Cr:Cb vs Cb:Cr.
Since the video processor can handle either order, it should be able to
handle both formats.
Signed-off-by: Daniel Kurtz <djku...@chromium.org>
---
drivers/gpu/drm/exynos/exynos_drm_plane.c | 1 +
drivers/gpu/drm/exynos/exynos_mixer.c | 12 +++++++++---
2 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c
b/drivers/gpu/drm/exynos/exynos_drm_plane.c
index 8371cbd..bf2be7a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_plane.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c
@@ -31,6 +31,7 @@ static const uint32_t formats[] = {
DRM_FORMAT_ARGB8888,
DRM_FORMAT_NV12,
DRM_FORMAT_NV12MT,
+ DRM_FORMAT_NV21,
};
/*
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c
b/drivers/gpu/drm/exynos/exynos_mixer.c
index b252ec7..52a94d9 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -383,8 +383,8 @@ static void vp_video_buffer(struct mixer_context *ctx, int
win)
struct hdmi_win_data *win_data;
unsigned int x_ratio, y_ratio;
dma_addr_t luma_addr[2], chroma_addr[2];
- bool tiled_mode = false;
- bool crcb_mode = false;
+ bool tiled_mode;
+ bool crcb_mode;
u32 val;
win_data = &ctx->win_data[win];
@@ -392,10 +392,16 @@ static void vp_video_buffer(struct mixer_context *ctx,
int win)
switch (win_data->pixel_format) {
case DRM_FORMAT_NV12MT:
tiled_mode = true;
- /* fall through */
+ crcb_mode = false;
+ break;
case DRM_FORMAT_NV12:
+ tiled_mode = false;
crcb_mode = false;
break;
+ case DRM_FORMAT_NV21:
+ tiled_mode = false;
+ crcb_mode = true;
+ break;
/* TODO: single buffer format NV12, NV21 */
default:
DRM_ERROR("pixel format for vp is wrong [%d].\n",
--
1.9.1.423.g4596e3a
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