drm/amdgpu: post card after hard reset

Posting is required after a pci config reset.

Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Ken Wang <Qingqing.Wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 65531463f88e5b9eb736fdd5e9df357f2f191680..80ce22ddbc0cbbf25260618546a882d269b361be 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1889,6 +1889,9 @@ int amdgpu_gpu_reset(struct amdgpu_device *adev)
 
 retry:
        r = amdgpu_asic_reset(adev);
+       /* post card */
+       amdgpu_atom_asic_init(adev->mode_info.atom_context);
+
        if (!r) {
                dev_info(adev->dev, "GPU reset succeeded, trying to resume\n");
                r = amdgpu_resume(adev);