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| author | Becle Lee <becle.lee@amd.com> | 2022-03-10 17:20:42 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-03-15 14:41:55 -0400 |
| commit | dd15640bcee5a5fa74fc52557dd6220f48b01116 (patch) | |
| tree | b29e618fb88972c0c7edfa4cf4366d1c7916df49 /drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h | |
| parent | 2716bc822e2325efed0731d6a6a7dff755dc34d7 (diff) | |
| download | linux-dd15640bcee5a5fa74fc52557dd6220f48b01116.tar.gz linux-dd15640bcee5a5fa74fc52557dd6220f48b01116.tar.bz2 linux-dd15640bcee5a5fa74fc52557dd6220f48b01116.zip | |
drm/amd/display: Wait for hubp read line for Pollock
[Why]
Underflow occurred while hubp ret pipe read is idle and the
second pipe is powered up and added. Flickering and underflow
are only observed on Pollock.
[How]
Check the hubp ret pipe read prior to unlock pipes.
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Signed-off-by: Becle Lee <becle.lee@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h b/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h index 2c031586f4e6..e45b7993c5c5 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h @@ -195,6 +195,7 @@ struct hubp_funcs { void (*hubp_set_flip_int)(struct hubp *hubp); + void (*hubp_wait_pipe_read_start)(struct hubp *hubp); }; #endif |