drm/amdgpu/sriov:fix memory leak in psp_load_fw

for SR-IOV when doing gpu reset this routine shouldn't do
resource allocating otherwise memory leak

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 76f531b..2157d45 100644 (file)
--- 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_gpu_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;