aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorpding <Pixel.Ding@amd.com>2017-10-30 14:07:24 +0800
committerAlex Deucher <alexander.deucher@amd.com>2017-12-04 16:41:42 -0500
commit5ffa61c1bdc35895f60ef7b553b43266d3fda469 (patch)
tree6ff87c263234105f1e7aae9c2091439d58871c86
parentdrm/amdgpu: return error when sriov access requests get timeout (diff)
downloadlinux-5ffa61c1bdc35895f60ef7b553b43266d3fda469.tar.gz
linux-5ffa61c1bdc35895f60ef7b553b43266d3fda469.zip
drm/amdgpu: retry init if exclusive mode request is failed
This is caused of that hypervisor fails to handle request, one known issue is MMIO unblocking timeout. In theory we can retry init here. Signed-off-by: pding <Pixel.Ding@amd.com> Reviewed-by: Xiangliang Yu <Xiangliang.Yu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 7af0d5d8cb1d..69e724c96442 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1625,7 +1625,7 @@ static int amdgpu_early_init(struct amdgpu_device *adev)
if (amdgpu_sriov_vf(adev)) {
r = amdgpu_virt_request_full_gpu(adev, true);
if (r)
- return r;
+ return -EAGAIN;
}
for (i = 0; i < adev->num_ip_blocks; i++) {