[PATCH] drm/amdgpu: move PDB bo release into a generic gmc function

[Guchun Chen]

To pair with amdgpu_gmc_pdb0_alloc as a more generic handling
in amdgpu_gmc.c, no functional change.

Signed-off-by: Guchun Chen <guchun.chen at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 6 ++++++
 drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h | 1 +
 drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c   | 2 +-
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
index 7021e8f390bd..36f6b321438f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
@@ -136,6 +136,12 @@ uint64_t amdgpu_gmc_pd_addr(struct amdgpu_bo *bo)
 	return pd_addr;
 }
 
+/* amdgpu_gmc_pdb0_free - free pdb0 vram */
+void amdgpu_gmc_pdb0_free(struct amdgpu_device *adev)
+{
+	amdgpu_bo_free_kernel(&adev->gmc.pdb0_bo, NULL, &adev->gmc.ptr_pdb0);
+}
+
 /**
  * amdgpu_gmc_set_pte_pde - update the page tables using CPU
  *
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
index 032b0313f277..6f425e3a9b6e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
@@ -299,6 +299,7 @@ static inline uint64_t amdgpu_gmc_sign_extend(uint64_t addr)
 }
 
 int amdgpu_gmc_pdb0_alloc(struct amdgpu_device *adev);
+void amdgpu_gmc_pdb0_free(struct amdgpu_device *adev);
 void amdgpu_gmc_get_pde_for_bo(struct amdgpu_bo *bo, int level,
 			       uint64_t *addr, uint64_t *flags);
 int amdgpu_gmc_set_pte_pde(struct amdgpu_device *adev, void *cpu_pt_addr,
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 08ceabd6c853..ad600f72a51c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -1721,7 +1721,7 @@ 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_free_kernel(&adev->gmc.pdb0_bo, NULL, &adev->gmc.ptr_pdb0);
+	amdgpu_gmc_pdb0_free(adev);
 	amdgpu_bo_fini(adev);
 
 	return 0;
-- 
2.17.1