diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0408-drm-amdgpu-use-sched-fence-if-possible.patch')
| -rw-r--r-- | common/recipes-kernel/linux/files/0408-drm-amdgpu-use-sched-fence-if-possible.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0408-drm-amdgpu-use-sched-fence-if-possible.patch b/common/recipes-kernel/linux/files/0408-drm-amdgpu-use-sched-fence-if-possible.patch new file mode 100644 index 00000000..5a9abfec --- /dev/null +++ b/common/recipes-kernel/linux/files/0408-drm-amdgpu-use-sched-fence-if-possible.patch @@ -0,0 +1,38 @@ +From 2389be2b66ea81b9af93ba6c1b3652045c27b42e Mon Sep 17 00:00:00 2001 +From: Monk Liu <Monk.Liu@amd.com> +Date: Thu, 17 Mar 2016 13:57:09 +0800 +Subject: [PATCH 0408/1110] drm/amdgpu: use sched fence if possible + +when preemption feature lands, the SA bo should rely on sched +fence, because hw fence will be invalid after its job preempted +or skipped. + +Signed-off-by: Monk Liu <Monk.Liu@amd.com> +Reviewed-by: Chunming Zhou <david1.zhou@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Kalyan Alle <kalyan.alle@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_job.c | 5 ++++- + 1 file changed, 4 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c +index ddf1ed6..8a2d54a 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c +@@ -70,9 +70,12 @@ int amdgpu_job_alloc_with_ib(struct amdgpu_device *adev, unsigned size, + void amdgpu_job_free(struct amdgpu_job *job) + { + unsigned i; ++ struct fence *f; ++ /* use sched fence if available */ ++ f = (job->base.s_fence)? &job->base.s_fence->base : job->fence; + + for (i = 0; i < job->num_ibs; ++i) +- amdgpu_sa_bo_free(job->adev, &job->ibs[i].sa_bo, job->fence); ++ amdgpu_sa_bo_free(job->adev, &job->ibs[i].sa_bo, f); + fence_put(job->fence); + + amdgpu_bo_unref(&job->uf.bo); +-- +2.7.4 + |