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authorThomas Zimmermann <tzimmermann@suse.de>2022-11-05 16:02:42 +0100
committerThomas Zimmermann <tzimmermann@suse.de>2022-11-05 16:08:36 +0100
commit8e4e4c2f53ffcb0ef746dc3b87ce1a57c5c94c7d (patch)
treea61fbc998223d50f8b8691b9b9ced38c21072b10 /drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
parenta8300c46385e357079248302722d2f6b48adcba1 (diff)
parent60ba8c5bd94e17ab4b024f5cecf8b48e2cf36412 (diff)
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Merge drm/drm-next into drm-misc-next
Backmerging drm/drm-next to get the latest changes in the xlnx driver. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
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 df6fd6d6a82c..59cf64216fbb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
@@ -139,8 +139,15 @@ 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;
}