diff options
| author | Roman Li <roman.li@amd.com> | 2024-06-13 17:41:51 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-06-28 00:10:38 +0300 |
| commit | 9862ef7bae47b9292a38a0a1b30bff7f56d7815b (patch) | |
| tree | 7cfcbf17a8b05a8151e0eccfcc523c47f2c78e9b /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | |
| parent | 58acedd7849a238d2d06430b030b365cf069cca8 (diff) | |
| download | linux-9862ef7bae47b9292a38a0a1b30bff7f56d7815b.tar.xz | |
drm/amd/display: Use periodic detection for ipx/headless
[WHY]
Hotplug is not detected in headless (no eDP) mode on dcn35x.
With no display dcn35x goes to IPS2 powersaving state where HPD interrupt
is not handled.
[HOW]
Use idle worker thread for periodic detection of HPD in headless mode.
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Alex Hung <alex.hung@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 | 3 |
1 files changed, 3 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 dfcbc1970fe6..5fd1b6b44577 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h @@ -989,4 +989,7 @@ void *dm_allocate_gpu_mem(struct amdgpu_device *adev, enum dc_gpu_mem_alloc_type type, size_t size, long long *addr); + +bool amdgpu_dm_is_headless(struct amdgpu_device *adev); + #endif /* __AMDGPU_DM_H__ */ |