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(parent: 37b970d) | patch
drm/amd/display: Add debugfs entry for reading psr state
authorRoman Li <Roman.Li@amd.com>
Fri, 30 Aug 2019 14:44:48 +0000 (10:44 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 25 Oct 2019 20:50:08 +0000 (16:50 -0400)
commite0d08a40a63bd43f373937084f4c3bfab68f6afc
treecbb26773bc75315696f00a9c1f36f5fdbf37a7c3tree | snapshot
parent37b970d1d793d900c04d444366994636278ebec8commit | diff
drm/amd/display: Add debugfs entry for reading psr state

[Why]
For upcoming PSR stupport it's useful to have debug entry
to verify psr state.

[How]
 - Enable psr dc api for Linux
 - Add psr_state file to eDP connector debugfs
usage e.g.: cat /sys/kernel/debug/dri/0/DP-1/psr_state

Signed-off-by: Roman Li <Roman.Li@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c diff | blob | history
drivers/gpu/drm/amd/display/dc/core/dc_link.c diff | blob | history
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