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Commit 79bbbf8b authored by Monk Liu's avatar Monk Liu Committed by Alex Deucher
Browse files

drm/amdgpu:Preamble is forbid to be ignored in SRIOV 



SR-IOV requires the preamble.

Signed-off-by: default avatarMonk Liu <Monk.Liu@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 714fbf80

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

+2 −1
Original line number Diff line number Diff line
@@ -193,7 +193,8 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs, 
		/* drop preamble IBs if we don't have a context switch */

		if ((ib->flags & AMDGPU_IB_FLAG_PREAMBLE) &&

			skip_preamble &&

			!(status & AMDGPU_PREAMBLE_IB_PRESENT_FIRST))

			!(status & AMDGPU_PREAMBLE_IB_PRESENT_FIRST) &&

			!amdgpu_sriov_vf(adev)) /* for SRIOV preemption, Preamble CE ib must be inserted anyway */

			continue;



		amdgpu_ring_emit_ib(ring, ib, job ? job->vm_id : 0,