[PATCH Review 2/2] drm/amdgpu: correct ras enabled flag

[Zhou1, Tao]

[AMD Official Use Only - General]

The series is:

Reviewed-by: Tao Zhou <tao.zhou1 at amd.com>

> -----Original Message-----
> From: Stanley.Yang <Stanley.Yang at amd.com>
> Sent: Monday, April 10, 2023 7:48 PM
> To: amd-gfx at lists.freedesktop.org; Zhang, Hawking
> <Hawking.Zhang at amd.com>; Zhou1, Tao <Tao.Zhou1 at amd.com>
> Cc: Yang, Stanley <Stanley.Yang at amd.com>
> Subject: [PATCH Review 2/2] drm/amdgpu: correct ras enabled flag
> 
> XGMI RAS should be according to the gmc xmgi supported flag and xgmi physical
> nodes number.
> 
> Change-Id: Idf3600b30584b10b528e7237d103d84d5097b7e0
> Signed-off-by: Stanley.Yang <Stanley.Yang at amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
> index 4069bce9479f..d26a93272bf2 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
> @@ -2430,6 +2430,14 @@ static void amdgpu_ras_check_supported(struct
> amdgpu_device *adev)
>  			else
>  				adev->ras_hw_enabled &= ~(1 <<
> AMDGPU_RAS_BLOCK__VCN |
>  							1 <<
> AMDGPU_RAS_BLOCK__JPEG);
> +
> +			/*
> +			 * XGMI RAS is determined by xgmi supported flags
> +			 * and xgmi num physical nodes
> +			 */
> +			if (!adev->gmc.xgmi.supported ||
> +			    adev->gmc.xmgi.num_physical_nodes == 0)
> +				adev->ras_hw_enabled &= ~(1 <<
> AMDGPU_RAS_BLOCK__XGMI_WAFL);
>  		} else {
>  			dev_info(adev->dev, "SRAM ECC is not presented.\n");
>  		}
> --
> 2.17.1