diff options
| author | Sree Sesha Aravind Vadrevu <svadrevu@codeaurora.org> | 2013-08-10 01:08:50 -0700 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-23 20:19:59 -0700 |
| commit | 181fe45da1502dde00ebe5dd1d488ecc74fcebc7 (patch) | |
| tree | cf7a7cc4374c1a7d49adcc5c4fed9497ed34c42e /drivers/video/fbdev | |
| parent | 754bf27ee161e1a23f1ca227f7a44e0556b57879 (diff) | |
msm: mdss: Allow DMA pipe sharing only on WB mixer
DMA pipe can only be shared on the writeback mixer for
concurrent line and block mode operations. Only allow
sharing if the mixer attached to the pipe is already a
writeback mixer.
Change-Id: I9a0e5144fdf87f681493cd92d9cc809836ab1a5c
Signed-off-by: Sree Sesha Aravind Vadrevu <svadrevu@codeaurora.org>
Diffstat (limited to 'drivers/video/fbdev')
| -rw-r--r-- | drivers/video/fbdev/msm/mdss_mdp_pipe.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/video/fbdev/msm/mdss_mdp_pipe.c b/drivers/video/fbdev/msm/mdss_mdp_pipe.c index 3f75053a46b0..ade9f0d44e81 100644 --- a/drivers/video/fbdev/msm/mdss_mdp_pipe.c +++ b/drivers/video/fbdev/msm/mdss_mdp_pipe.c @@ -345,6 +345,8 @@ static struct mdss_mdp_pipe *mdss_mdp_pipe_init(struct mdss_mdp_mixer *mixer, * shared as long as its attached to a writeback mixer */ pipe = mdata->dma_pipes + mixer->num; + if (pipe->mixer->type != MDSS_MDP_MIXER_TYPE_WRITEBACK) + return NULL; mdss_mdp_pipe_map(pipe); pr_debug("pipe sharing for pipe=%d\n", pipe->num); } else { |