The mixer natively support RGB565, ARGB4444 and ARGB1555 so expose these formats. Also, since being of 16-bit size, these formats have a lower bandwidth requirement, making them useful in situations where this is a bottleneck.
Signed-off-by: Tobias Jakobi tjakobi@math.uni-bielefeld.de --- drivers/gpu/drm/exynos/exynos_mixer.c | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index 512f7b3..7dec7c7 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -127,6 +127,11 @@ static const u8 filter_cr_horiz_tap4[] = { static const uint32_t mixer_formats[] = { DRM_FORMAT_XRGB8888, DRM_FORMAT_ARGB8888, + DRM_FORMAT_RGB565, + DRM_FORMAT_XRGB1555, + DRM_FORMAT_ARGB1555, + DRM_FORMAT_XRGB4444, + DRM_FORMAT_ARGB4444, };
static const uint32_t vp_formats[] = { @@ -556,30 +561,32 @@ static void mixer_graph_buffer(struct mixer_context *ctx, int win) unsigned int x_ratio = 0, y_ratio = 0; unsigned int src_x_offset, src_y_offset, dst_x_offset, dst_y_offset; dma_addr_t dma_addr; - unsigned int fmt, blend; + unsigned int fmt, blend = 0; u32 val;
plane = &ctx->planes[win];
switch (plane->pixel_format) { case DRM_FORMAT_ARGB4444: - fmt = MIXER_PIXELFORMAT_ARGB4444; blend = 1; + case DRM_FORMAT_XRGB4444: + fmt = MIXER_PIXELFORMAT_ARGB4444; break;
case DRM_FORMAT_ARGB8888: - fmt = MIXER_PIXELFORMAT_ARGB8888; blend = 1; - break; - case DRM_FORMAT_XRGB8888: fmt = MIXER_PIXELFORMAT_ARGB8888; - blend = 0; + break; + + case DRM_FORMAT_ARGB1555: + blend = 1; + case DRM_FORMAT_XRGB1555: + fmt = MIXER_PIXELFORMAT_ARGB1555; break;
case DRM_FORMAT_RGB565: fmt = MIXER_PIXELFORMAT_RGB565; - blend = 0; break;
default: