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drm/amdgpu: reclaim psp fw reservation memory region

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PSP v14 fw update introduced changes on memory reservation region, according
to the change driver reclaim some non-reserved region.

1. introduce 2 new psp commands to query fw reservation regions
2. add a new reservation region for psp
3. reclaim psp non-used region

Signed-off-by: Frank Min <Frank.Min@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Frank Min
2025-05-21 16:46:27 +08:00
committed by Alex Deucher
parent e2d1e96c53
commit a3b7f9c306
5 changed files with 114 additions and 2 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
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@@ -2060,6 +2060,8 @@ void amdgpu_ttm_fini(struct amdgpu_device *adev)
/* return the FW reserved memory back to VRAM */
amdgpu_bo_free_kernel(&adev->mman.fw_reserved_memory, NULL,
NULL);
amdgpu_bo_free_kernel(&adev->mman.fw_reserved_memory_extend, NULL,
NULL);
if (adev->mman.stolen_reserved_size)
amdgpu_bo_free_kernel(&adev->mman.stolen_reserved_memory,
NULL, NULL);