diff options
Diffstat (limited to 'drivers/media/platform/vsp1')
| -rw-r--r-- | drivers/media/platform/vsp1/vsp1_bru.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/media/platform/vsp1/vsp1_bru.c b/drivers/media/platform/vsp1/vsp1_bru.c index d8d49fb7f5ff..86b32bca408d 100644 --- a/drivers/media/platform/vsp1/vsp1_bru.c +++ b/drivers/media/platform/vsp1/vsp1_bru.c @@ -43,8 +43,10 @@ static inline void vsp1_bru_write(struct vsp1_bru *bru, u32 reg, u32 data) static int bru_s_stream(struct v4l2_subdev *subdev, int enable) { + struct vsp1_pipeline *pipe = to_vsp1_pipeline(&subdev->entity); struct vsp1_bru *bru = to_bru(subdev); struct v4l2_mbus_framefmt *format; + unsigned int flags; unsigned int i; if (!enable) @@ -58,8 +60,13 @@ static int bru_s_stream(struct v4l2_subdev *subdev, int enable) * to sane default values for now. */ - /* Disable both color data normalization and dithering. */ - vsp1_bru_write(bru, VI6_BRU_INCTRL, 0); + /* Disable dithering and enable color data normalization unless the + * format at the pipeline output is premultiplied. + */ + flags = pipe->output ? pipe->output->video.format.flags : 0; + vsp1_bru_write(bru, VI6_BRU_INCTRL, + flags & V4L2_PIX_FMT_FLAG_PREMUL_ALPHA ? + 0 : VI6_BRU_INCTRL_NRM); /* Set the background position to cover the whole output image and * set its color to opaque black. |