Commit dd12b858 authored by Samir Dhume's avatar Samir Dhume Committed by Alex Deucher
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drm/amdgpu/vcn: Skip vcn power-gating change for sriov 



CG/PG is handled on the host side.

Signed-off-by: default avatarSamir Dhume <samir.dhume@amd.com>
Acked-by: default avatarLeo Liu <leo.liu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 0fc7d79b

drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c

+9 −0
Original line number Diff line number Diff line
@@ -1536,6 +1536,15 @@ static int vcn_v4_0_3_set_powergating_state(void *handle, 
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;

	int ret;



	/* for SRIOV, guest should not control VCN Power-gating

	 * MMSCH FW should control Power-gating and clock-gating

	 * guest should avoid touching CGC and PG

	 */

	if (amdgpu_sriov_vf(adev)) {

		adev->vcn.cur_state = AMD_PG_STATE_UNGATE;

		return 0;

	}



	if (state == adev->vcn.cur_state)

		return 0;