RE: [PATCH] amdgpu/ras: Fix bug disabling DF_CSTATE when injecting xgmi_wafl errors via debugfs

[Chen, Guchun]

[AMD Public Use]

Thanks Darren. We have the fix already a few days ago.

drm/amdgpu: toggle on DF Cstate after finishing xgmi injection

Regards,
Guchun

-----Original Message-----
From: amd-gfx <amd-gfx-boun...@lists.freedesktop.org> On Behalf Of Darren Powell
Sent: Wednesday, January 20, 2021 12:46 PM
To: amd-gfx@lists.freedesktop.org
Cc: Powell, Darren <darren.pow...@amd.com>
Subject: [PATCH] amdgpu/ras: Fix bug disabling DF_CSTATE when injecting 
xgmi_wafl errors via debugfs

Typo in amdgpu_ras_error_inject_xgmi() does not set df_state back to ALLOW 
after test this can be tested with the command
     echo inject xgmi_wafl ue 0x0 0x0 0x0 > /sys/kernel/debug/dri/0/ras/ras_ctrl

Fixes patch 5c23e9e05e42b5ea56a87a17f1da9ccf9b100465

Signed-off-by: Darren Powell <darren.pow...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index c136bd449744..a6ec28fead07 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -846,7 +846,7 @@ static int amdgpu_ras_error_inject_xgmi(struct 
amdgpu_device *adev,
        if (amdgpu_dpm_allow_xgmi_power_down(adev, true))
                dev_warn(adev->dev, "Failed to allow XGMI power down");
 
-       if (amdgpu_dpm_set_df_cstate(adev, DF_CSTATE_DISALLOW))
+       if (amdgpu_dpm_set_df_cstate(adev, DF_CSTATE_ALLOW))
                dev_warn(adev->dev, "Failed to allow df cstate");
 
        return ret;

base-commit: ed94c622f91453aaca80029b0afdd2551a12e777
--
2.25.1

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