diff options
| author | Qingqing Zhuo <[email protected]> | 2021-02-09 16:36:41 -0500 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2021-02-24 09:48:46 -0500 |
| commit | ea3b4242bc9ca197762119382b37e125815bd67f (patch) | |
| tree | 204dec819ae22e4b4fc6b5e7378bcd61df00ca78 /drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | |
| parent | b092b19602cfd47de1eeeb3a1b03822afd86b136 (diff) | |
drm/amd/display: Fix system hang after multiple hotplugs (v3)
[Why]
mutex_lock() was introduced in dm_disable_vblank(), which could
be called in an IRQ context. Waiting in IRQ would cause issues
like kernel lockup, etc.
[How]
Handle code that requires mutex lock on a different thread.
v2: squash in compilation fix without CONFIG_DRM_AMD_DC_DCN (Alex)
v3: squash in warning fix (Wei)
Signed-off-by: Qingqing Zhuo <[email protected]>
Acked-by: Bindu Ramamurthy <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Cc: [email protected]
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c')
0 files changed, 0 insertions, 0 deletions