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authorMonk Liu <Monk.Liu@amd.com>2019-11-26 19:40:08 +0800
committerAlex Deucher <alexander.deucher@amd.com>2019-12-03 11:39:21 -0500
commite2195f7d0e735b9e466873333a7e832e3b7d254b (patch)
treed8d7120a7bcb6a3dced8d9927610e6ab06c284fc /drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
parentamdgpu: Enable KFD on POWER systems (diff)
downloadlinux-dev-e2195f7d0e735b9e466873333a7e832e3b7d254b.tar.xz
linux-dev-e2195f7d0e735b9e466873333a7e832e3b7d254b.zip
drm/amdgpu: use CPU to flush vmhub if sched stopped
otherwse the flush_gpu_tlb will hang if we unload the KMD becuase the schedulers already stopped Signed-off-by: Monk Liu <Monk.Liu@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to '')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index 321f8a997be8..232469507446 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
@@ -326,7 +326,8 @@ static void gmc_v10_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
if (!adev->mman.buffer_funcs_enabled ||
!adev->ib_pool_ready ||
- adev->in_gpu_reset) {
+ adev->in_gpu_reset ||
+ ring->sched.ready == false) {
gmc_v10_0_flush_vm_hub(adev, vmid, AMDGPU_GFXHUB_0, 0);
mutex_unlock(&adev->mman.gtt_window_lock);
return;