drm/amd/display: Add debugfs entry for reading psr state

Browse source

[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>

...

This commit is contained in:

Roman Li 2019-08-30 10:44:48 -04:00 • committed by Alex Deucher

parent 37b970d1d7

commit e0d08a40a6

2 changed files with 170 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

21

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c

View file

149

drivers/gpu/drm/amd/display/dc/core/dc_link.c

View file