From: Bas Nieuwenhuizen <bas@xxxxxxxxxxxxxxxxxxx>
commit 8173cab3368a13cdc3cad0bd5cf14e9399b0f501 upstream.
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@xxxxxxxxxxxxxxxxxxx>
Tested-by: Guilherme G. Piccoli <gpiccoli@xxxxxxxxxx>
Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -8159,8 +8159,14 @@ static int gfx_v10_0_set_powergating_sta
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;
