From: Xiangliang Yu Date: Sat, 17 Dec 2016 14:48:57 +0000 (+0800) Subject: drm/amdgpu: do not reset gpu for virtualization X-Git-Tag: v4.14-rc1~1422^2~31^2~44 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fb140b293b7142de2e215d3ab6c842ac73ceebeb;p=platform%2Fkernel%2Flinux-rpi.git drm/amdgpu: do not reset gpu for virtualization Current amdgpu reset process only works on bare-metal and for SRIOV many inside it need re-work to adapt to vf device. This is a temporary workaround to skip gpu reset. Signed-off-by: Monk Liu Signed-off-by: Xiangliang Yu Reviewed-by: Alex Deucher Reviewed-by: Christian König Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index e0fcfea..867d7d4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -2288,6 +2288,9 @@ int amdgpu_gpu_reset(struct amdgpu_device *adev) int resched; bool need_full_reset; + if (amdgpu_sriov_vf(adev)) + return 0; + if (!amdgpu_check_soft_reset(adev)) { DRM_INFO("No hardware hang detected. Did some blocks stall?\n"); return 0;