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| author | Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com> | 2019-10-22 19:22:11 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-12 19:28:11 +0100 |
| commit | 2b4be0c276c16b9a8036dd7b87ba7a7b188b7400 (patch) | |
| tree | bdde5adf64ee3e6e079af013d0c23d290d859999 /drivers | |
| parent | bb3d9654cec1e0a05f9ded57fcf48e17bd32abde (diff) | |
| download | linux-stable-2b4be0c276c16b9a8036dd7b87ba7a7b188b7400.tar.gz linux-stable-2b4be0c276c16b9a8036dd7b87ba7a7b188b7400.tar.bz2 linux-stable-2b4be0c276c16b9a8036dd7b87ba7a7b188b7400.zip | |
drm/amdgpu/sdma5: do not execute 0-sized IBs (v2)
[ Upstream commit 9bdf63d3579e36942f4b91d3558a90da8116bb40 ]
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-prayer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c index 5eeb72fcc123..6a51e6a4a035 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c @@ -264,6 +264,7 @@ static void gmc_v10_0_flush_gpu_tlb(struct amdgpu_device *adev, 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); |