From 296a1645c1cf9e12caa4c14198f3e429fcfdf1f1 Mon Sep 17 00:00:00 2001
From: Yifan Zhang <yifan1.zhang@amd.com>
Date: Thu, 9 Jun 2022 17:03:48 +0800
Subject: drm/amd: disable GPA mode in backdoor load
Git-commit: f2a5002541d0698509d4f3adfbfcc55a9c1e2dd1
Patch-mainline: v6.0-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225 jsc#PED-2849
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>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index 05359df6c354..942d41a65f2f 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);
}
}
--
2.38.1