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Commit e722b71a authored by monk.liu's avatar monk.liu Committed by Alex Deucher
Browse files

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: default avatarmonk.liu <monk.liu@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
parent 93323131

drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c

+8 −8
Original line number Diff line number Diff line
@@ -180,9 +180,8 @@ 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)

		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,
@@ -190,6 +189,7 @@ int amdgpu_ib_schedule(struct amdgpu_device *adev, unsigned num_ibs, 


		if (ring->funcs->emit_hdp_flush)

			amdgpu_ring_emit_hdp_flush(ring);

	}



	old_ctx = ring->current_ctx;

	for (i = 0; i < num_ibs; ++i) {