Am 22.10.19 um 19:22 schrieb Pelloux-prayer, Pierre-eric:
This seems to help with https://bugs.freedesktop.org/show_bug.cgi?id=111481.
v2: insert a NOP instead of skipping all 0-sized IBs to avoid breaking older hw
Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-pra...@amd.com>
Reviewed-by: Christian König <christian.koe...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index fb48622c2abd..6e1b25bd1fe7 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
@@ -309,6 +309,7 @@ static void gmc_v10_0_flush_gpu_tlb(struct amdgpu_device
*adev, uint32_t vmid,
job->vm_pd_addr = amdgpu_gmc_pd_addr(adev->gart.bo);
job->vm_needs_flush = true;
+ job->ibs->ptr[job->ibs->length_dw++] = ring->funcs->nop;
amdgpu_ring_pad_ib(ring, &job->ibs[0]);
r = amdgpu_job_submit(job, &adev->mman.entity,
AMDGPU_FENCE_OWNER_UNDEFINED, &fence);
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