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| author | Yongqiang Sun <yongqiang.sun@amd.com> | 2018-03-07 09:12:53 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-04-11 13:07:36 -0500 |
| commit | 3c1a312aa4e4201efa8719e70a6dccd3acd6eba4 (patch) | |
| tree | 9fe6d13b6b8fa9112b4b0235cd6998eef90bf785 /tools/perf/scripts/python/export-to-sqlite.py | |
| parent | ba0a5aaa867d77cedb2cd6ad9e647243d9ba9650 (diff) | |
| download | kernel-3c1a312aa4e4201efa8719e70a6dccd3acd6eba4.tar.gz | |
drm/amd/display: Retry when read dpcd caps failed.
Some DP panel not detected intermittently due to read dpcd
caps failed when doing hot plug.
[root cause] DC_HPD_CONNECT_INT_DELAY is set to 0, not delay
after HPD toggle and read dpcd data, while some panel need 4ms defer
to read.
[solution] Add a retry when read failed.
Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-sqlite.py')
0 files changed, 0 insertions, 0 deletions