Re: [PATCH 2/2] drm/i915/fdinfo: Enable fdinfo for GuC backends

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On Thu, 27 Apr 2023 15:47:05 -0700, Umesh Nerlige Ramappa wrote:
>
> Enable fdinfo for GuC based platforms with the exception that long
> running contexts will not provide reliable busyness data unless they
> switch out at some reasonable point in time.
>
> Link: https://gitlab.freedesktop.org/drm/intel/issues/8303
> Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@xxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/i915_drm_client.c | 6 +-----
>  1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_drm_client.c b/drivers/gpu/drm/i915/i915_drm_client.c
> index e8fa172ebe5e..d18d0a3ed905 100644
> --- a/drivers/gpu/drm/i915/i915_drm_client.c
> +++ b/drivers/gpu/drm/i915/i915_drm_client.c
> @@ -147,11 +147,7 @@ void i915_drm_client_fdinfo(struct seq_file *m, struct file *f)
>		   PCI_SLOT(pdev->devfn), PCI_FUNC(pdev->devfn));
>	seq_printf(m, "drm-client-id:\t%u\n", client->id);
>
> -	/*
> -	 * Temporarily skip showing client engine information with GuC submission till
> -	 * fetching engine busyness is implemented in the GuC submission backend
> -	 */
> -	if (GRAPHICS_VER(i915) < 8 || intel_uc_uses_guc_submission(&i915->gt0.uc))
> +	if (GRAPHICS_VER(i915) < 8)
>		return;
>
>	for (i = 0; i < ARRAY_SIZE(uabi_class_names); i++)

Reviewed-by: Ashutosh Dixit <ashutosh.dixit@xxxxxxxxx>



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