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(parent: 022f071) | patch
drm/amdgpu: Track PTL disable requests by source
authorPerry Yuan <perry.yuan@amd.com>
Sun, 8 Feb 2026 16:42:09 +0000 (00:42 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 11 May 2026 19:55:56 +0000 (15:55 -0400)
commit950688d2417085f30feb6ec48c85eeda53841ea2
treee7ceecd0e36872b6c0fc59ebc546a8eddeda6e45tree | snapshot
parent022f071db5eb4434824e52790542e648c9bcd77dcommit | diff
drm/amdgpu: Track PTL disable requests by source

Use a bitmap to track PTL disable requests from sysfs and profiler.
PTL is only re-enabled once all sources have released their disable
requests, avoiding premature enablement.

Signed-off-by: Perry Yuan <perry.yuan@amd.com>
Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c diff | blob | blame | history
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h diff | blob | blame | history
drivers/gpu/drm/amd/amdkfd/kfd_chardev.c diff | blob | blame | history
drivers/gpu/drm/amd/include/amdgpu_ptl.h diff | blob | blame | history
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