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| author | Takanari Hayama <taki@igel.co.jp> | 2022-08-10 17:37:09 +0900 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2022-09-07 23:48:39 +0300 |
| commit | 0efb6fd36644a4ba743e26ea7ac532a9d539a3ee (patch) | |
| tree | 045ba8d45df06d66f544e31cacae40c794afa3fb | |
| parent | 8284bae723f025cb6a8431566757a3854a3c53eb (diff) | |
| download | linux-0efb6fd36644a4ba743e26ea7ac532a9d539a3ee.tar.gz linux-0efb6fd36644a4ba743e26ea7ac532a9d539a3ee.tar.bz2 linux-0efb6fd36644a4ba743e26ea7ac532a9d539a3ee.zip | |
media: vsp1: Add premultiplied alpha support
To support DRM blend mode in R-Car DU driver, we must be able to pass
a plane with the premultiplied alpha. Adding a new property to
vsp1_du_atomic_config allows the R-Car DU driver to pass the
premultiplied alpha plane.
Signed-off-by: Takanari Hayama <taki@igel.co.jp>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab@kernel.org>
| -rw-r--r-- | drivers/media/platform/renesas/vsp1/vsp1_drm.c | 2 | ||||
| -rw-r--r-- | include/media/vsp1.h | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/media/platform/renesas/vsp1/vsp1_drm.c b/drivers/media/platform/renesas/vsp1/vsp1_drm.c index 0c2507dc03d6..c6f25200982c 100644 --- a/drivers/media/platform/renesas/vsp1/vsp1_drm.c +++ b/drivers/media/platform/renesas/vsp1/vsp1_drm.c @@ -856,6 +856,8 @@ int vsp1_du_atomic_update(struct device *dev, unsigned int pipe_index, rpf->mem.addr[1] = cfg->mem[1]; rpf->mem.addr[2] = cfg->mem[2]; + rpf->format.flags = cfg->premult ? V4L2_PIX_FMT_FLAG_PREMUL_ALPHA : 0; + vsp1->drm->inputs[rpf_index].crop = cfg->src; vsp1->drm->inputs[rpf_index].compose = cfg->dst; vsp1->drm->inputs[rpf_index].zpos = cfg->zpos; diff --git a/include/media/vsp1.h b/include/media/vsp1.h index cc1b0d42ce95..48f4a5023d81 100644 --- a/include/media/vsp1.h +++ b/include/media/vsp1.h @@ -51,6 +51,7 @@ int vsp1_du_setup_lif(struct device *dev, unsigned int pipe_index, * @dst: destination rectangle on the display (integer coordinates) * @alpha: alpha value (0: fully transparent, 255: fully opaque) * @zpos: Z position of the plane (from 0 to number of planes minus 1) + * @premult: true for premultiplied alpha */ struct vsp1_du_atomic_config { u32 pixelformat; @@ -60,6 +61,7 @@ struct vsp1_du_atomic_config { struct v4l2_rect dst; unsigned int alpha; unsigned int zpos; + bool premult; }; /** |