linux/drivers/gpu/drm/amd
Becle Lee dd15640bce 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>
2022-03-15 14:41:55 -04:00
..
acp
amdgpu drm/amdgpu: Move reset domain init before calling RREG32 2022-03-15 14:40:49 -04:00
amdkfd drm/amdkfd: CRIU export dmabuf handles for GTT BOs 2022-03-15 14:25:17 -04:00
display drm/amd/display: Wait for hubp read line for Pollock 2022-03-15 14:41:55 -04:00
include drm/amdgpu: config HDP_MISC_CNTL.READ_BUFFER_WATERMARK 2022-02-24 17:24:43 -05:00
pm drm/amd/pm: use pm mutex to protect ecc info table 2022-03-15 14:34:34 -04:00