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| author |   Aurabindo Pillai <aurabindo.pillai@amd.com> | 2020-04-22 14:37:33 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2020-05-05 13:12:11 -0400 |
| commit | 7b353e41b4171c5dcc171306e4790bc328536f49 (patch) | |
| tree | dfa0ecd6e9ff038f3159e114fb099656443019e9 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | drm/amd/display: Add 4 to 1 MPC split support (diff) | |
| download | wireguard-linux-7b353e41b4171c5dcc171306e4790bc328536f49.tar.xz wireguard-linux-7b353e41b4171c5dcc171306e4790bc328536f49.zip | |
drm/amd/display: Prevent dpcd reads with passive dongles
[why]
During hotplug, a DP port may be connected to the sink through
passive adapter which does not support DPCD reads. Issuing reads
without checking for this condition will result in errors
[how]
Ensure the link is in aux_mode before initiating operation that result
in a DPCD read.
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions