| commit | ef67d792a2fc578319399f605fbec2f99ecc06ea | [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 15:45:51 2020 -0400 |
| tree | 8490fad1b186a4611338d2e202b78ecda3e5aa5e | |
| parent | b5b97cab55eb71daba3283c8b1d2cce456d511a1 [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>