[PATCH 05/14] drm/amd/amdgpu: enable PG_EN bit in powergating UVD

[Tom St Denis]

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

Signed-off-by: Tom St Denis <tom.stdenis at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
index 7f2b5de29f67..391457f1eafd 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
@@ -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;
-- 
2.9.2