https://github.com/torvalds/linux
Revision ef67d792a2fc578319399f605fbec2f99ecc06ea authored by Wayne Lin on 18 August 2020, 03:19:42 UTC, committed by Alex Deucher on 26 August 2020, 19:45:51 UTC
[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>
1 parent b5b97ca
History
Tip revision: ef67d792a2fc578319399f605fbec2f99ecc06ea authored by Wayne Lin on 18 August 2020, 03:19:42 UTC
drm/amd/display: Retry AUX write when fail occurs
Tip revision: ef67d79
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.clang-format -rw-r--r-- 15.8 KB
.cocciconfig -rw-r--r-- 59 bytes
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.gitattributes -rw-r--r-- 62 bytes
.gitignore -rw-r--r-- 1.8 KB
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COPYING -rw-r--r-- 496 bytes
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