[PATCH 07/21] drm/amdgpu:fix gart table vram pin

[Monk Liu]

if this call is from resume, shouldn't enter pin logic at all

Change-Id: I40a5cdc2a716c4c20d2812fd74ece4ea284b6765
Signed-off-by: Monk Liu <Monk.Liu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
index 964d2a9..5e907f7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
@@ -151,6 +151,11 @@ int amdgpu_gart_table_vram_pin(struct amdgpu_device *adev)
 	uint64_t gpu_addr;
 	int r;
 
+	if (adev->gart.table_addr) {
+		/* it's a resume call, gart already pin */
+		return 0;
+	}
+
 	r = amdgpu_bo_reserve(adev->gart.robj, false);
 	if (unlikely(r != 0))
 		return r;
-- 
2.7.4