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authorChunming Zhou <David1.Zhou@amd.com>2016-04-27 06:07:41 -0400
committerAlex Deucher <alexander.deucher@amd.com>2016-06-09 10:49:01 -0400
commit2ba272d7bde27e1db2cf1c6cee49b01b7ea08989 (patch)
treec37802046a2008ad66a97535cf67326affa91014 /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
parentfdff8cfa72b3e42d4d0c70684fa18b1dfee46d97 (diff)
drm/amdgpu: add pipeline sync while vmid switch in same ctx
Since vmid-mgr supports vmid sharing in one vm, the same ctx could get different vmids for two emits without vm flush, vm_flush could be done in another ring. Signed-off-by: Chunming Zhou <David1.Zhou@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 9f36ed30ba11..62a4c127620f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -298,7 +298,8 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring,
298 unsigned vm_id, uint64_t pd_addr, 298 unsigned vm_id, uint64_t pd_addr,
299 uint32_t gds_base, uint32_t gds_size, 299 uint32_t gds_base, uint32_t gds_size,
300 uint32_t gws_base, uint32_t gws_size, 300 uint32_t gws_base, uint32_t gws_size,
301 uint32_t oa_base, uint32_t oa_size) 301 uint32_t oa_base, uint32_t oa_size,
302 bool vmid_switch)
302{ 303{
303 struct amdgpu_device *adev = ring->adev; 304 struct amdgpu_device *adev = ring->adev;
304 struct amdgpu_vm_id *id = &adev->vm_manager.ids[vm_id]; 305 struct amdgpu_vm_id *id = &adev->vm_manager.ids[vm_id];
@@ -312,8 +313,7 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring,
312 int r; 313 int r;
313 314
314 if (ring->funcs->emit_pipeline_sync && ( 315 if (ring->funcs->emit_pipeline_sync && (
315 pd_addr != AMDGPU_VM_NO_FLUSH || gds_switch_needed || 316 pd_addr != AMDGPU_VM_NO_FLUSH || gds_switch_needed || vmid_switch))
316 ring->type == AMDGPU_RING_TYPE_COMPUTE))
317 amdgpu_ring_emit_pipeline_sync(ring); 317 amdgpu_ring_emit_pipeline_sync(ring);
318 318
319 if (ring->funcs->emit_vm_flush && 319 if (ring->funcs->emit_vm_flush &&