[PATCH 2/3] drm/xe/rtp: Add match helper to omit SR-IOV VF device

[Matt Roper]

On Wed, Dec 11, 2024 at 07:42:10AM +0100, Marcin Bernatowicz wrote:
> Add a match helper that allows the application of a workaround
> when the device is not an SR-IOV VF (Virtual Function) device.
> 
> Signed-off-by: Marcin Bernatowicz <marcin.bernatowicz at linux.intel.com>
> Cc: Adam Miszczak <adam.miszczak at linux.intel.com>
> Cc: Jakub Kolakowski <jakub1.kolakowski at intel.com>
> Cc: Lucas De Marchi <lucas.demarchi at intel.com>
> Cc: Lukasz Laguna <lukasz.laguna at intel.com>
> Cc: Matt Roper <matthew.d.roper at intel.com>
> Cc: Michal Wajdeczko <michal.wajdeczko at intel.com>
> Cc: Michal Winiarski <michal.winiarski at intel.com>
> Cc: Narasimha C V <narasimha.c.v at intel.com>
> Cc: Piotr Piorkowski <piotr.piorkowski at intel.com>
> Cc: Satyanarayana K V P <satyanarayana.k.v.p at intel.com>
> Cc: Tomasz Lis <tomasz.lis at intel.com>

Reviewed-by: Matt Roper <matthew.d.roper at intel.com>

> ---
>  drivers/gpu/drm/xe/xe_rtp.c |  5 +++++
>  drivers/gpu/drm/xe/xe_rtp.h | 11 +++++++++++
>  2 files changed, 16 insertions(+)
> 
> diff --git a/drivers/gpu/drm/xe/xe_rtp.c b/drivers/gpu/drm/xe/xe_rtp.c
> index b13d4d62f0b1..7a1c78fdfc92 100644
> --- a/drivers/gpu/drm/xe/xe_rtp.c
> +++ b/drivers/gpu/drm/xe/xe_rtp.c
> @@ -340,3 +340,8 @@ bool xe_rtp_match_first_gslice_fused_off(const struct xe_gt *gt,
>  	return dss >= dss_per_gslice;
>  }
>  
> +bool xe_rtp_match_not_sriov_vf(const struct xe_gt *gt,
> +			       const struct xe_hw_engine *hwe)
> +{
> +	return !IS_SRIOV_VF(gt_to_xe(gt));
> +}
> diff --git a/drivers/gpu/drm/xe/xe_rtp.h b/drivers/gpu/drm/xe/xe_rtp.h
> index 827d932b6908..7dea10d732d7 100644
> --- a/drivers/gpu/drm/xe/xe_rtp.h
> +++ b/drivers/gpu/drm/xe/xe_rtp.h
> @@ -476,4 +476,15 @@ bool xe_rtp_match_first_render_or_compute(const struct xe_gt *gt,
>  bool xe_rtp_match_first_gslice_fused_off(const struct xe_gt *gt,
>  					 const struct xe_hw_engine *hwe);
>  
> +/*
> + * xe_rtp_match_not_sriov_vf - Match when not on SR-IOV VF device
> + *
> + * @gt: GT structure
> + * @hwe: Engine instance
> + *
> + * Returns: true if device is not VF, false otherwise.
> + */
> +bool xe_rtp_match_not_sriov_vf(const struct xe_gt *gt,
> +			       const struct xe_hw_engine *hwe);
> +
>  #endif
> -- 
> 2.31.1
> 

-- 
Matt Roper
Graphics Software Engineer
Linux GPU Platform Enablement
Intel Corporation