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drm/amd/display: Fix writeback job lock evasion within dm_crtc_high_irq
authorHersen Wu <hersenxs.wu@amd.com>
Tue, 30 Apr 2024 18:24:17 +0000 (14:24 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 2 May 2024 20:18:18 +0000 (16:18 -0400)
commit922c2877827dcc474f3079e464773ab31ac13b79
tree16b900adf6a850328f96fca08d310ab6aaf65762tree
parenta54f7e866cc73a4cb71b8b24bb568ba35c8969dfcommit | diff
drm/amd/display: Fix writeback job lock evasion within dm_crtc_high_irq

[Why]
Coverity report LOCK_EVASION warning. Access
acrtc->wb_pending without lock wb_conn->job_lock.

[How]
Lock wb_conn->job_lock before accessing
acrtc->wb_pending.

Reviewed-by: Alex Hung <alex.hung@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Hersen Wu <hersenxs.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)