commit | ec314c4612653aaf6e8d6a7c23fed9b3f7a0039f | [log] [tgz] |
---|---|---|
author | Wayne Lin <Wayne.Lin@amd.com> | Tue Aug 18 11:19:42 2020 +0800 |
committer | Alex Deucher <alexander.deucher@amd.com> | Wed Aug 26 16:40:19 2020 -0400 |
tree | 12ca67f2f39361717caa7d409471d9d542b2ac70 | |
parent | cf851f3ff891ff8cb204e7118682d55429c6fb96 [diff] |
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>