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drm/amd/display: Acquire DSC during split stream for ODM only if top_pipe 

[WHY]
DSC should only be acquired per OPP. Therefore, DSC should only
be acquired for the top_pipe when ODM is enabled.
Not doing this check may lead to acquiring more DSC's than needed
when doing MPO + ODM Combine.

[HOW]
Only acquire DSC if pipe is top_pipe.

Signed-off-by: Sung Lee <sung.lee@amd.com>
Acked-by: Bindu Ramamurthy <bindu.r@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
zero-sugar-mainline-defconfig
Sung Lee 2020-12-09 14:58:59 -05:00 committed by Alex Deucher
parent a71e5529d2
commit 73d48f0851
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
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@ -1933,7 +1933,7 @@ bool dcn20_split_stream_for_odm(
next_odm_pipe->stream_res.opp = pool->opps[next_odm_pipe->pipe_idx];
else
next_odm_pipe->stream_res.opp = next_odm_pipe->top_pipe->stream_res.opp;
if (next_odm_pipe->stream->timing.flags.DSC == 1) {
if (next_odm_pipe->stream->timing.flags.DSC == 1 && !next_odm_pipe->top_pipe) {
dcn20_acquire_dsc(dc, res_ctx, &next_odm_pipe->stream_res.dsc, next_odm_pipe->pipe_idx);
ASSERT(next_odm_pipe->stream_res.dsc);
if (next_odm_pipe->stream_res.dsc == NULL)