drm/amdgpu: Track PTL disable requests by source

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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>

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Perry Yuan 2026-02-09 00:42:09 +08:00 • committed by Alex Deucher

parent 022f071db5

commit 950688d241

4 changed files with 36 additions and 0 deletions

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26

drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c

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1

drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h

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3

drivers/gpu/drm/amd/amdkfd/kfd_chardev.c

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6

drivers/gpu/drm/amd/include/amdgpu_ptl.h

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