drm/amd/display: Add periodic detection for IPS

Browse source

[Why]
HPD interrupt cannot be handled in IPS2 state.
So if there's a display topology change while system in IPS2
it can be missed.

[How]
Implement worker to check each 5 sec in IPS for HPD.

Reviewed-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Roman Li 2024-04-03 12:13:56 -04:00 • committed by Alex Deucher

parent 5419a2076d

commit afca033f10

6 changed files with 113 additions and 2 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

13

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

View file

9

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h

View file

59

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

View file

5

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

View file

28

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

View file

1

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.h

View file