RE: [PATCH 06/10] drm/amdgpu: add condition to enable baco for xgmi/ras case

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[AMD Public Use]

And It is still necessary to put all the condition check in a function. I mean a function that decide to go ras recovery or legacy fatal_error handling. The PMFW version that support RAS recovery will be different among ASICs. Current version check only works for VG20. In fact, once ras->supported is set and proper PMFW is detected, RAS recovery will be the best choice no matter it is sGPU or mGPU.

Regards,
Hawking

-----Original Message-----
From: Le Ma <le.ma@xxxxxxx> 
Sent: 2019年11月27日 17:15
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Zhang, Hawking <Hawking.Zhang@xxxxxxx>; Chen, Guchun <Guchun.Chen@xxxxxxx>; Zhou1, Tao <Tao.Zhou1@xxxxxxx>; Li, Dennis <Dennis.Li@xxxxxxx>; Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Ma, Le <Le.Ma@xxxxxxx>
Subject: [PATCH 06/10] drm/amdgpu: add condition to enable baco for xgmi/ras case

Avoid to change default reset behavior for production card by checking amdgpu_ras_enable equal to 2. And only new enough smu ucode can support baco for xgmi/ras case.

Change-Id: I07c3e6862be03e068745c73db8ea71f428ecba6b
Signed-off-by: Le Ma <le.ma@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/soc15.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
index 951327f..6202333 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -577,7 +577,9 @@ soc15_asic_reset_method(struct amdgpu_device *adev)
 			struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(adev, 0);
 			struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
 
-			if (hive || (ras && ras->supported))
+			if ((hive || (ras && ras->supported)) &&
+			    (amdgpu_ras_enable != 2 ||
+			    adev->pm.fw_version <= 0x283400))
 				baco_reset = false;
 		}
 		break;
--
2.7.4
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