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authorTakashi Iwai <tiwai@suse.de>2022-12-22 11:11:48 +0300
committerTakashi Iwai <tiwai@suse.de>2022-12-22 11:11:48 +0300
commit2d78eb0342dd2c9c5cde9ae9ada1d33f189a858b (patch)
treef711bc9cab45f4963e4883ef15ff4c54a6cbc12e /drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
parentb47068b4aa53a57552398e3f60d0ed1918700c2b (diff)
parentee0b089d660021792e4ab4dda191b097ce1e964f (diff)
downloadlinux-2d78eb0342dd2c9c5cde9ae9ada1d33f189a858b.tar.xz
Merge branch 'for-next' into for-linus
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
index 2b0669c464f6..69e105fa41f6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
@@ -116,8 +116,15 @@ static int amdgpu_vm_sdma_commit(struct amdgpu_vm_update_params *p,
DMA_RESV_USAGE_BOOKKEEP);
}
- if (fence && !p->immediate)
+ if (fence && !p->immediate) {
+ /*
+ * Most hw generations now have a separate queue for page table
+ * updates, but when the queue is shared with userspace we need
+ * the extra CPU round trip to correctly flush the TLB.
+ */
+ set_bit(DRM_SCHED_FENCE_DONT_PIPELINE, &f->flags);
swap(*fence, f);
+ }
dma_fence_put(f);
return 0;