[PATCH 1/2] drm/amdgpu/gfx10: Disable gfxoff before disabling powergating.

[Bas Nieuwenhuizen]

Otherwise we get a full system lock (looks like a FW mess).

Copied the order from the GFX9 powergating code.

Fixes: 366468ff6c34 ("drm/amdgpu: Allow GfxOff on Vangogh as default")
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2545
Signed-off-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
Tested-by: Guilherme G. Piccoli <gpiccoli at igalia.com>
Cc: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index 2e0234b43f43..1d164ed2a714 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -8036,8 +8036,14 @@ static int gfx_v10_0_set_powergating_state(void *handle,
 	case IP_VERSION(10, 3, 3):
 	case IP_VERSION(10, 3, 6):
 	case IP_VERSION(10, 3, 7):
+                if (!enable)
+			amdgpu_gfx_off_ctrl(adev, false);
+
 		gfx_v10_cntl_pg(adev, enable);
-		amdgpu_gfx_off_ctrl(adev, enable);
+
+		if (enable)
+			amdgpu_gfx_off_ctrl(adev, true);
+
 		break;
 	default:
 		break;
-- 
2.40.1