RB-by: Xiangliang Yu <Xiangliang.Yu at amd.com> -----Original Message----- From: amd-gfx [mailto:amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Pixel Ding Sent: Tuesday, October 31, 2017 3:11 PM To: amd-gfx at lists.freedesktop.org Cc: Ding, Pixel <Pixel.Ding at amd.com> Subject: [PATCH 2/2] drm/amdgpu: retry init if exclusive mode request is failed From: pding <Pixel.Ding@xxxxxxx> 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 at amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index daa2098..ef01aa3 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++) { -- 2.9.5 _______________________________________________ amd-gfx mailing list amd-gfx at lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx
