[PATCH 1/2] drm/amdgpu/gfx8: enable cp/rlc ints after we disable clockgating

[Alex Deucher]

Even if we disable clockgating, we still need to make sure the
cp/rlc interrupts are enabled for powergating which might still
be enabled.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index a53e36c..c9d9913 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -6258,6 +6258,8 @@ static void gfx_v8_0_update_coarse_grain_clock_gating(struct amdgpu_device *adev
 			  RLC_CGCG_CGLS_CTRL__CGLS_EN_MASK);
 		if (temp != data)
 			WREG32(mmRLC_CGCG_CGLS_CTRL, data);
+		/* enable interrupts again for PG */
+		gfx_v8_0_enable_gui_idle_interrupt(adev, true);
 	}
 
 	gfx_v8_0_wait_for_rlc_serdes(adev);
-- 
2.5.5