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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 9166d5e1e557..5de092eab0fa 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -90,6 +90,8 @@ static int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data)
goto free_chunk;
}
+ mutex_lock(&p->ctx->lock);
+
/* get chunks */
chunk_array_user = u64_to_user_ptr(cs->in.chunks);
if (copy_from_user(chunk_array, chunk_array_user,
@@ -737,8 +739,10 @@ static void amdgpu_cs_parser_fini(struct amdgpu_cs_parser *parser, int error,
dma_fence_put(parser->fence);
- if (parser->ctx)
+ if (parser->ctx) {
+ mutex_unlock(&parser->ctx->lock);
amdgpu_ctx_put(parser->ctx);
+ }
if (parser->bo_list)
amdgpu_bo_list_put(parser->bo_list);
@@ -895,9 +899,7 @@ static int amdgpu_cs_ib_vm_chunk(struct amdgpu_device *adev,
r = amdgpu_ring_parse_cs(ring, p, j);
if (r)
return r;
-
}
-
j++;
}
@@ -985,7 +987,7 @@ static int amdgpu_cs_ib_fill(struct amdgpu_device *adev,
parser->job->ring->funcs->type == AMDGPU_RING_TYPE_VCE))
return -EINVAL;
- return 0;
+ return amdgpu_ctx_wait_prev_fence(parser->ctx, parser->job->ring->idx);
}
static int amdgpu_cs_process_fence_dep(struct amdgpu_cs_parser *p,
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