[PATCH 02/12] drm/amdgpu/sriov:fix memory leak in psp_load_fw

[Monk Liu]

when doing gpu reset this routine shouldn't do anything
resource allocating otherwise SRIOV gpu reset will cause
memory leak

Change-Id: I25da3a5b475196c75c7e639adc40751754625968
Signed-off-by: Monk Liu <Monk.Liu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 447d446..52daabc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -334,23 +334,26 @@ static int psp_load_fw(struct amdgpu_device *adev)
 	int ret;
 	struct psp_context *psp = &adev->psp;
 
+	if (amdgpu_sriov_vf(adev) && adev->in_sriov_reset != 0)
+		goto skip_memalloc;
+
 	psp->cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
 	if (!psp->cmd)
 		return -ENOMEM;
 
 	ret = amdgpu_bo_create_kernel(adev, PSP_1_MEG, PSP_1_MEG,
-				      AMDGPU_GEM_DOMAIN_GTT,
-				      &psp->fw_pri_bo,
-				      &psp->fw_pri_mc_addr,
-				      &psp->fw_pri_buf);
+					AMDGPU_GEM_DOMAIN_GTT,
+					&psp->fw_pri_bo,
+					&psp->fw_pri_mc_addr,
+					&psp->fw_pri_buf);
 	if (ret)
 		goto failed;
 
 	ret = amdgpu_bo_create_kernel(adev, PSP_FENCE_BUFFER_SIZE, PAGE_SIZE,
-				      AMDGPU_GEM_DOMAIN_VRAM,
-				      &psp->fence_buf_bo,
-				      &psp->fence_buf_mc_addr,
-				      &psp->fence_buf);
+					AMDGPU_GEM_DOMAIN_VRAM,
+					&psp->fence_buf_bo,
+					&psp->fence_buf_mc_addr,
+					&psp->fence_buf);
 	if (ret)
 		goto failed_mem2;
 
@@ -375,6 +378,7 @@ static int psp_load_fw(struct amdgpu_device *adev)
 	if (ret)
 		goto failed_mem;
 
+skip_memalloc:
 	ret = psp_hw_start(psp);
 	if (ret)
 		goto failed_mem;
-- 
2.7.4