drm/amdgpu: add fbdev suspend/resume on gpu reset

[ Upstream commit 063e768ebd27d3ec0d6908b7f8ea9b0a732b9949 ]

This can fix the baco reset failure seen on Navi10.
And this should be a low risk fix as the same sequence
is already used for system suspend/resume.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 332b9c24a2cd0f4d16fe07a8d9bd5ade30340c3a..9a8a1c6ca321012a44a88f7efd620f40272dc4ce 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3854,6 +3854,8 @@ static int amdgpu_do_asic_reset(struct amdgpu_hive_info *hive,
                                if (r)
                                        goto out;
 
+                               amdgpu_fbdev_set_suspend(tmp_adev, 0);
+
                                /* must succeed. */
                                amdgpu_ras_resume(tmp_adev);
 
@@ -4023,6 +4025,8 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
                 */
                amdgpu_unregister_gpu_instance(tmp_adev);
 
+               amdgpu_fbdev_set_suspend(adev, 1);
+
                /* disable ras on ALL IPs */
                if (!in_ras_intr && amdgpu_device_ip_need_full_reset(tmp_adev))
                        amdgpu_ras_suspend(tmp_adev);