From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 16 Sep 2024 17:21:02 +0000 (-0400)
Subject: drm/amdgpu/gfx9: Explicitly halt CP before init
X-Git-Tag: v6.13-rc1~122^2~15^2~255
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b1281b6d55057f5c2830e35b96de70d4ba6b7708;p=thirdparty%2Flinux.git

drm/amdgpu/gfx9: Explicitly halt CP before init

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

Reviewed-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

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;