drm/amdgpu: conduct a proper cleanup of PDB bo

BugLink: https://bugs.launchpad.net/bugs/1969857
[ Upstream commit 2d505453f38e18d42ba7d5428aaa17aaa7752c65 ]

Use amdgpu_bo_free_kernel instead of amdgpu_bo_unref to
perform a proper cleanup of PDB bo.

v2: update subject to be more accurate

Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index c67e2124434297b6863d8cb74ccd720ce395f1ff..6dc16ccf6c81c4d18272bd205733e4c7f81082e1 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -1652,7 +1652,7 @@ static int gmc_v9_0_sw_fini(void *handle)
        amdgpu_gem_force_release(adev);
        amdgpu_vm_manager_fini(adev);
        amdgpu_gart_table_vram_free(adev);
-       amdgpu_bo_unref(&adev->gmc.pdb0_bo);
+       amdgpu_bo_free_kernel(&adev->gmc.pdb0_bo, NULL, &adev->gmc.ptr_pdb0);
        amdgpu_bo_fini(adev);
 
        return 0;