[PATCH 2/4] drm/amdgpu/jpeg5: add power gating support

[Alex Deucher]

From: Sonny Jiang <sonny.jiang at amd.com>

Add PG support for JPEG5

Signed-off-by: Sonny Jiang <sonny.jiang at amd.com>
Reviewed-by: Leo Liu <leo.liu at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_0.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_0.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_0.c
index fbc987e299f8..71c28cc06605 100644
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_0.c
@@ -261,6 +261,14 @@ static int jpeg_v5_0_0_enable_static_power_gating(struct amdgpu_device *adev)
 		UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK,
 		~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
 
+	if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
+		WREG32(SOC15_REG_OFFSET(JPEG, 0, regUVD_IPX_DLDO_CONFIG),
+			2 << UVD_IPX_DLDO_CONFIG__ONO1_PWR_CONFIG__SHIFT);
+		SOC15_WAIT_ON_RREG(JPEG, 0, regUVD_IPX_DLDO_STATUS,
+			1 << UVD_IPX_DLDO_STATUS__ONO1_PWR_STATUS__SHIFT,
+			UVD_IPX_DLDO_STATUS__ONO1_PWR_STATUS_MASK);
+	}
+
 	return 0;
 }
 
-- 
2.42.0