From: Yifan Zhang <yifan1.zhang@amd.com>
Date: Thu, 9 Jun 2022 09:03:48 +0000 (+0800)
Subject: drm/amd: disable GPA mode in backdoor load
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f2a5002541d0698509d4f3adfbfcc55a9c1e2dd1;p=linux.git

drm/amd: disable GPA mode in backdoor load

GPA mode should be disabled in direct load.

Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Reviewed-by: Tim Huang <Tim.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index 05359df6c3548..942d41a65f2f0 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -4563,6 +4563,9 @@ static int gfx_v11_0_hw_init(void *handle)
 				if (adev->gfx.imu.funcs->start_imu)
 					adev->gfx.imu.funcs->start_imu(adev);
 			}
+
+			/* disable gpa mode in backdoor loading */
+			gfx_v11_0_disable_gpa_mode(adev);
 		}
 	}