[PATCH 2/2] drm/amdgpu/gfx9: Explicitly halt CP before init

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Need to make sure it's halted as we don't know what state
the GPU may have been left in previously.

Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index d4f19eb8ff6d3..3a3ef93f2f43a 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -3931,6 +3931,10 @@ static int gfx_v9_0_cp_resume(struct amdgpu_device *adev)
 			return r;
 	}
 
+	if (adev->gfx.num_gfx_rings)
+		gfx_v9_0_cp_gfx_enable(adev, false);
+	gfx_v9_0_cp_compute_enable(adev, false);
+
 	r = gfx_v9_0_kiq_resume(adev);
 	if (r)
 		return r;
-- 
2.46.0




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