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drm/amdgpu: add optional ring to *_hdp callbacks

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This adds an optional ring to the invalidate_hdp and flush_hdp
callbacks. If the ring isn't specified or the emit_wreg function not
available the HDP operation will be done with the CPU otherwise by
writing on the ring.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2018-01-19 14:17:40 +01:00
committed by Alex Deucher
parent 3c9d1fde7f
commit 698825653f
10 changed files with 81 additions and 36 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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@@ -854,7 +854,7 @@ restart:
if (vm->use_cpu_for_update) {
/* Flush HDP */
mb();
amdgpu_asic_flush_hdp(adev);
amdgpu_asic_flush_hdp(adev, NULL);
} else if (params.ib->length_dw == 0) {
amdgpu_job_free(job);
} else {
@@ -1436,7 +1436,7 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
if (vm->use_cpu_for_update) {
/* Flush HDP */
mb();
amdgpu_asic_flush_hdp(adev);
amdgpu_asic_flush_hdp(adev, NULL);
}
spin_lock(&vm->status_lock);