drm/amdgpu: add gart recovery by gtt list V2

V2:
a. gart recovery should be ahead of ring test.
b. rename to amdgpu_ttm_recover_gart

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index bfdd445a8bb6..c2459abb408d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2206,6 +2206,11 @@ retry:
         }
         if (!r) {
                 amdgpu_irq_gpu_reset_resume_helper(adev);
+                if (need_full_reset && amdgpu_need_backup(adev)) {
+                        r = amdgpu_ttm_recover_gart(adev);
+                        if (r)
+                                DRM_ERROR("gart recovery failed!!!\n");
+                }
                 r = amdgpu_ib_ring_tests(adev);
                 if (r) {
                         dev_err(adev->dev, "ib ring test failed (%d).\n", r);