[AMD Official Use Only - Internal Distribution Only]
-----Original Message-----
From: Liu, Shaoyun <shaoyun.liu@xxxxxxx>
Sent: Thursday, February 18, 2021 8:19 PM
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Liu, Shaoyun <Shaoyun.Liu@xxxxxxx>
Subject: [PATCH 2/4] drm/amdgpu: get xgmi info at eary_init
Driver need to get XGMI info function earlier before ip_init since driver need to check the XGMI setting to determine how to perform reset during init
Signed-off-by: shaoyunl <shaoyun.liu@xxxxxxx>
Change-Id: Ic37276bbb6640bb4e9360220fed99494cedd3ef5
---
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 3686e777c76c..3e6bfab5b855 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -1151,6 +1151,10 @@ static int gmc_v9_0_early_init(void *handle)
adev->gmc.private_aperture_end =
adev->gmc.private_aperture_start + (4ULL << 30) - 1;
+ /* Need to get xgmi info earlier to decide the reset behavior*/
+ if (adev->gmc.xgmi.supported)
+ adev->gfxhub.funcs->get_xgmi_info(adev);
+
return 0;
}
@@ -1416,12 +1420,6 @@ static int gmc_v9_0_sw_init(void *handle)
}
adev->need_swiotlb = drm_need_swiotlb(44);
- if (adev->gmc.xgmi.supported) {
- r = adev->gfxhub.funcs->get_xgmi_info(adev);
- if (r)
- return r;
- }
-
r = gmc_v9_0_mc_init(adev);
if (r)
return r;
--
2.17.1
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