Commit fa5d2e0c authored Jul 28, 2016 by Tom St Denis Committed by Alex Deucher Aug 08, 2016

drm/amd/amdgpu: enable PG_EN bit in powergating UVD



Enable the PG_EN bit just before the SMU would be tasked
with the PG transition.

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent 2875125c

drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -997,6 +997,8 @@ static int uvd_v6_0_set_powergating_state(void *handle,
		if (!(adev->pg_flags & AMD_PG_SUPPORT_UVD))
		return 0;

		WREG32(mmUVD_POWER_STATUS, UVD_POWER_STATUS__UVD_PG_EN_MASK);

		if (state == AMD_PG_STATE_GATE) {
		uvd_v6_0_stop(adev);
		return 0;

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