amdgpu: fix for submition with no ibs
Avoid a crash if no IBs are specified. Signed-off-by: Ken Wang <Qingqing.Wang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>main
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6950af4e84
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f884af9b57
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@ -190,6 +190,10 @@ static int amdgpu_cs_submit_one(amdgpu_context_handle context,
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return -EINVAL;
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return -EINVAL;
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if (ibs_request->number_of_ibs > AMDGPU_CS_MAX_IBS_PER_SUBMIT)
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if (ibs_request->number_of_ibs > AMDGPU_CS_MAX_IBS_PER_SUBMIT)
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return -EINVAL;
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return -EINVAL;
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if (ibs_request->number_of_ibs == 0) {
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ibs_request->seq_no = AMDGPU_NULL_SUBMIT_SEQ;
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return 0;
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}
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user_fence = (ibs_request->fence_info.handle != NULL);
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user_fence = (ibs_request->fence_info.handle != NULL);
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size = ibs_request->number_of_ibs + (user_fence ? 2 : 1) + 1;
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size = ibs_request->number_of_ibs + (user_fence ? 2 : 1) + 1;
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@ -422,6 +426,10 @@ int amdgpu_cs_query_fence_status(struct amdgpu_cs_fence *fence,
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return -EINVAL;
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return -EINVAL;
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if (fence->ring >= AMDGPU_CS_MAX_RINGS)
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if (fence->ring >= AMDGPU_CS_MAX_RINGS)
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return -EINVAL;
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return -EINVAL;
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if (fence->fence == AMDGPU_NULL_SUBMIT_SEQ) {
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*expired = true;
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return 0;
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}
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*expired = false;
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*expired = false;
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@ -44,6 +44,7 @@
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#define ROUND_DOWN(x, y) ((x) & ~__round_mask(x, y))
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#define ROUND_DOWN(x, y) ((x) & ~__round_mask(x, y))
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#define AMDGPU_INVALID_VA_ADDRESS 0xffffffffffffffff
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#define AMDGPU_INVALID_VA_ADDRESS 0xffffffffffffffff
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#define AMDGPU_NULL_SUBMIT_SEQ 0
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struct amdgpu_bo_va_hole {
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struct amdgpu_bo_va_hole {
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struct list_head list;
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struct list_head list;
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