Files
linux/drivers/gpu/drm
Wayne Lin ef67d792a2 drm/amd/display: Retry AUX write when fail occurs
[Why]
In dm_dp_aux_transfer() now, we forget to handle AUX_WR fail cases. We
suppose every write wil get done successfully and hence some AUX
commands might not sent out indeed.

[How]
Check if AUX_WR success. If not, retry it.

Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-08-26 15:45:51 -04:00
..
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