drm/amdgpu: hdp_flush is not needed for inside IB

hdp flush is not needed for IBs that dispatched from kernel inside
because there is no video memory host access

Signed-off-by: monk.liu <monk.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index 52dff75..bc0fac6 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -180,16 +180,16 @@ int amdgpu_ib_schedule(struct amdgpu_device *adev, unsigned num_ibs,
        if (vm) {
                /* do context switch */
                amdgpu_vm_flush(ring, vm, ib->sync.last_vm_update);
-       }
 
-       if (vm && ring->funcs->emit_gds_switch)
-               amdgpu_ring_emit_gds_switch(ring, ib->vm->ids[ring->idx].id,
-                                           ib->gds_base, ib->gds_size,
-                                           ib->gws_base, ib->gws_size,
-                                           ib->oa_base, ib->oa_size);
+               if (ring->funcs->emit_gds_switch)
+                       amdgpu_ring_emit_gds_switch(ring, ib->vm->ids[ring->idx].id,
+                                                   ib->gds_base, ib->gds_size,
+                                                   ib->gws_base, ib->gws_size,
+                                                   ib->oa_base, ib->oa_size);
 
-       if (ring->funcs->emit_hdp_flush)
-               amdgpu_ring_emit_hdp_flush(ring);
+               if (ring->funcs->emit_hdp_flush)
+                       amdgpu_ring_emit_hdp_flush(ring);
+       }
 
        old_ctx = ring->current_ctx;
        for (i = 0; i < num_ibs; ++i) {