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[media] v4l: vsp1: Add global alpha support for DRM pipeline

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Make the global alpha multiplier of DRM planes configurable. All the
necessary infrastructure is there, we just need to store the alpha value
passed through the DRM API.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Laurent Pinchart
2016-03-24 05:15:59 -03:00
committed by Mauro Carvalho Chehab
parent f5e04e7ea7
commit 04738e7f33
2 changed files with 7 additions and 3 deletions
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5
include/media/vsp1.h
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@@ -27,7 +27,8 @@ void vsp1_du_atomic_begin(struct device *dev);
int vsp1_du_atomic_update_ext(struct device *dev, unsigned int rpf,
u32 pixelformat, unsigned int pitch,
dma_addr_t mem[2], const struct v4l2_rect *src,
const struct v4l2_rect *dst, unsigned int zpos);
const struct v4l2_rect *dst, unsigned int alpha,
unsigned int zpos);
void vsp1_du_atomic_flush(struct device *dev);
static inline int vsp1_du_atomic_update(struct device *dev,
@@ -37,7 +38,7 @@ static inline int vsp1_du_atomic_update(struct device *dev,
const struct v4l2_rect *dst)
{
return vsp1_du_atomic_update_ext(dev, rpf_index, pixelformat, pitch,
mem, src, dst, 0);
mem, src, dst, 255, 0);
}
#endif /* __MEDIA_VSP1_H__ */