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drm/amdgpu: fix vram reservation issue

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The vram block allocation flag must be cleared
before making vram reservation, otherwise reserving
addresses within the currently freed memory range
will always fail.

Fixes: c9cad937c0 ("drm/amdgpu: add drm buddy support to amdgpu")
Signed-off-by: YiPeng Chai <YiPeng.Chai@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
YiPeng Chai 2025-08-12 09:17:58 +08:00 committed by Alex Deucher
parent 57af162bfc
commit d38eaf27de
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
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@ -685,9 +685,8 @@ static void amdgpu_vram_mgr_del(struct ttm_resource_manager *man,
list_for_each_entry(block, &vres->blocks, link)
vis_usage += amdgpu_vram_mgr_vis_size(adev, block);
amdgpu_vram_mgr_do_reserve(man);
drm_buddy_free_list(mm, &vres->blocks, vres->flags);
amdgpu_vram_mgr_do_reserve(man);
mutex_unlock(&mgr->lock);
atomic64_sub(vis_usage, &mgr->vis_usage);