[PATCH] drm/amdgpu: Disable GFX RAS feature for SRIOV case

[Zhang, Hawking]

[AMD Official Use Only - General]

Btw, if the concern is the gfx_late_init failure caused by incorrect setting in IFWI. @Feng, Kenneth already have a workaround.

Regards,
Hawking

-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Zhang, Hawking
Sent: Thursday, November 3, 2022 14:46
To: Wang, YuBiao <YuBiao.Wang at amd.com>; amd-gfx at lists.freedesktop.org
Cc: Xiao, Jack <Jack.Xiao at amd.com>; Wang, Yang(Kevin) <KevinYang.Wang at amd.com>; Xu, Feifei <Feifei.Xu at amd.com>; Chen, Horace <Horace.Chen at amd.com>; Tuikov, Luben <Luben.Tuikov at amd.com>; Deucher, Alexander <Alexander.Deucher at amd.com>; Quan, Evan <Evan.Quan at amd.com>; Koenig, Christian <Christian.Koenig at amd.com>; Liu, Monk <Monk.Liu at amd.com>
Subject: RE: [PATCH] drm/amdgpu: Disable GFX RAS feature for SRIOV case

[AMD Official Use Only - General]

amdgpu_ras_feature_enable won't send RAS command to firmware if it is invoked from guest side. The change seems unnecessary.

Regards,
Hawking

-----Original Message-----
From: Wang, YuBiao <YuBiao.Wang at amd.com> 
Sent: Thursday, November 3, 2022 14:39
To: Wang, YuBiao <YuBiao.Wang at amd.com>; amd-gfx at lists.freedesktop.org; Zhang, Hawking <Hawking.Zhang at amd.com>
Cc: Quan, Evan <Evan.Quan at amd.com>; Chen, Horace <Horace.Chen at amd.com>; Tuikov, Luben <Luben.Tuikov at amd.com>; Koenig, Christian <Christian.Koenig at amd.com>; Deucher, Alexander <Alexander.Deucher at amd.com>; Xiao, Jack <Jack.Xiao at amd.com>; Liu, Monk <Monk.Liu at amd.com>; Xu, Feifei <Feifei.Xu at amd.com>; Wang, Yang(Kevin) <KevinYang.Wang at amd.com>
Subject: RE: [PATCH] drm/amdgpu: Disable GFX RAS feature for SRIOV case

Hi Hawking,

This patch is to skip ras init in sriov case. Please help review.

Thanks,
Yubiao

-----Original Message-----
From: YuBiao Wang <YuBiao.Wang at amd.com> 
Sent: Thursday, November 3, 2022 11:12 AM
To: amd-gfx at lists.freedesktop.org
Cc: Andrey Grodzovsky <Andrey.Grodzovsky at amd.com>; Quan, Evan <Evan.Quan at amd.com>; Chen, Horace <Horace.Chen at amd.com>; Tuikov, Luben <Luben.Tuikov at amd.com>; Koenig, Christian <Christian.Koenig at amd.com>; Deucher, Alexander <Alexander.Deucher at amd.com>; Xiao, Jack <Jack.Xiao at amd.com>; Zhang, Hawking <Hawking.Zhang at amd.com>; Liu, Monk <Monk.Liu at amd.com>; Xu, Feifei <Feifei.Xu at amd.com>; Wang, Yang(Kevin) <KevinYang.Wang at amd.com>; Wang, YuBiao <YuBiao.Wang at amd.com>
Subject: [PATCH] drm/amdgpu: Disable GFX RAS feature for SRIOV case

In sriov guest side doesn't need init ras feature, so skip it.

Signed-off-by: YuBiao Wang <YuBiao.Wang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index 84a76c36d9a7..be8ed617e269 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -4707,7 +4707,7 @@ static int gfx_v11_0_late_init(void *handle)
 	if (r)
 		return r;
 
-	if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(11, 0, 3)) {
+	if (!amdgpu_sriov_vf(adev) && adev->ip_versions[GC_HWIP][0] == IP_VERSION(11, 0, 3)) {
 		r = gfx_v11_0_ras_late_init(handle);
 		if (r)
 			return r;
-- 
2.25.1