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| author | Dave Airlie <airlied@redhat.com> | 2022-03-21 13:48:19 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2022-03-21 13:48:20 +1000 |
| commit | c6e90a1c660874736bd09c1fec6312b4b4c2ff7b (patch) | |
| tree | dbc6a8981b5955bac31381a00d113621890344c9 /drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c | |
| parent | f11de8611fd6bb15bd979bbe5de0c4d59452f8d4 (diff) | |
| parent | 426c89aa203bcec9d9cf6eea36735eafa1b1f099 (diff) | |
Merge tag 'amd-drm-next-5.18-2022-03-18' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-5.18-2022-03-18:
amdgpu:
- Aldebaran fixes
- SMU 13.0.5 fixes
- DCN 3.1.5 fixes
- DCN 3.1.6 fixes
- Pipe split fixes
- More display FP cleanup
- DP 2.0 UHBR fix
- DC GPU reset fix
- DC deep color ratio fix
- SMU robustness fixes
- Runtime PM fix for APUs
- IGT reload fixes
- SR-IOV fix
- Misc fixes and cleanups
amdkfd:
- CRIU fixes
- SVM fixes
UAPI:
- Properly handle SDMA transfers with CRIU
Proposed user mode change: https://github.com/checkpoint-restore/criu/pull/1709
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220318203717.5833-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c index 1ef880fed776..ab910deed481 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c @@ -1739,6 +1739,16 @@ void dcn20_program_front_end_for_ctx( || pipe->stream->update_flags.raw) && hws->funcs.program_all_writeback_pipes_in_tree) hws->funcs.program_all_writeback_pipes_in_tree(dc, pipe->stream, context); + + /* Avoid underflow by check of pipe line read when adding 2nd plane. */ + if (hws->wa.wait_hubpret_read_start_during_mpo_transition && + !pipe->top_pipe && + pipe->stream && + pipe->plane_res.hubp->funcs->hubp_wait_pipe_read_start && + dc->current_state->stream_status[0].plane_count == 1 && + context->stream_status[0].plane_count > 1) { + pipe->plane_res.hubp->funcs->hubp_wait_pipe_read_start(pipe->plane_res.hubp); + } } } |