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| author | Roman Li <roman.li@amd.com> | 2024-04-03 12:13:56 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-04-30 09:57:23 -0400 |
| commit | afca033f10d346b6be794e468ed614a6fdc68a14 (patch) | |
| tree | 634b6acb1592370ddf1577813ecbcbc96d5ceb03 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | |
| parent | 5419a2076de1dd9b0b4a191d0dd07de7c4fa7040 (diff) | |
| download | linux-afca033f10d346b6be794e468ed614a6fdc68a14.tar.gz linux-afca033f10d346b6be794e468ed614a6fdc68a14.tar.bz2 linux-afca033f10d346b6be794e468ed614a6fdc68a14.zip | |
drm/amd/display: Add periodic detection for IPS
[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>
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h index 09519b7abf67..79469cdc3b10 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h @@ -137,6 +137,13 @@ struct vblank_control_work { bool enable; }; +struct idle_workqueue { + struct work_struct work; + struct amdgpu_display_manager *dm; + bool enable; + bool running; +}; + /** * struct amdgpu_dm_backlight_caps - Information about backlight * @@ -487,6 +494,7 @@ struct amdgpu_display_manager { * Deferred work for vblank control events. */ struct workqueue_struct *vblank_control_workqueue; + struct idle_workqueue *idle_workqueue; struct drm_atomic_state *cached_state; struct dc_state *cached_dc_state; @@ -956,4 +964,5 @@ amdgpu_dm_find_first_crtc_matching_connector(struct drm_atomic_state *state, struct drm_crtc *crtc); int convert_dc_color_depth_into_bpc(enum dc_color_depth display_color_depth); +struct idle_workqueue *idle_create_workqueue(struct amdgpu_device *adev); #endif /* __AMDGPU_DM_H__ */ |