[AMD Official Use Only - General]
Reviewed-by: Tao Zhou
> -Original Message-
> From: amd-gfx On Behalf Of Hawking
> Zhang
> Sent: Thursday, August 24, 2023 9:49 AM
> To: amd-gfx@lists.freedesktop.org; Yang, Stanley ;
> Zhou1, Tao
> Cc: Zhang, Hawking
> Subject: [PATCH] drm/amdgpu: Allow issue disable gfx ras cmd to firmware
>
> Disable gfx ras command is needed in some use cases like live migration.
>
> Signed-off-by: Hawking Zhang
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 7 ---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
> index 378478cf9c21..7db6baa16236 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
> @@ -769,9 +769,10 @@ int amdgpu_ras_feature_enable(struct amdgpu_device
> *adev,
> if (!con)
> return -EINVAL;
>
> - /* Do not enable ras feature if it is not allowed */
> - if (enable &&
> - head->block != AMDGPU_RAS_BLOCK__GFX &&
> + /* For non-gfx ip, do not enable ras feature if it is not allowed.
> + * For gfx ip, regardless of feature support status,
> + * force issue enable or disable ras feature commands */
> + if (head->block != AMDGPU_RAS_BLOCK__GFX &&
> !amdgpu_ras_is_feature_allowed(adev, head))
> goto out;
>
> --
> 2.17.1
