Re: [PATCH 1/1] drm/xe/guc: Add WA 14028709524 to disable PRL from VF

["Ceraolo Spurio, Daniele" <daniele.ceraolospurio@intel.com>]

On 10/27/2026 3:59 PM, Alan Previn wrote:
> For NVL-P, hardware and firmware support for Page Reclaim
> List assistance is disabled when running in VF mode.
>
> Signed-off-by: Alan Previn <alan.previn.teres.alexis@intel.com>

Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>

Daniele

> ---
>   drivers/gpu/drm/xe/xe_guc.c        | 8 ++++++--
>   drivers/gpu/drm/xe/xe_wa_oob.rules | 1 +
>   2 files changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/xe/xe_guc.c b/drivers/gpu/drm/xe/xe_guc.c
> index b1f4e132fa0c..613ea9b073c8 100644
> --- a/drivers/gpu/drm/xe/xe_guc.c
> +++ b/drivers/gpu/drm/xe/xe_guc.c
> @@ -795,8 +795,12 @@ int xe_guc_init(struct xe_guc *guc)
>   	if (!xe_uc_fw_is_enabled(&guc->fw))
>   		return 0;
>   
> -	/* Disable page reclaim if GuC FW does not support */
> -	if (GUC_SUBMIT_VER(guc) < MAKE_GUC_VER(1, 14, 0))
> +	/*
> +	 * Disable page reclaim hw assist if GuC FW does not support it
> +	 * yet or a hw WA requires disabling it in VF mode.
> +	 */
> +	if (GUC_SUBMIT_VER(guc) < MAKE_GUC_VER(1, 14, 0) ||
> +	    (IS_SRIOV_VF(xe) && XE_GT_WA(gt, 14028709524)))
>   		xe->info.has_page_reclaim_hw_assist = false;
>   
>   	/* Disable indirect_ring_state if missing GuC 70.53+ WA 14025515070. */
> diff --git a/drivers/gpu/drm/xe/xe_wa_oob.rules b/drivers/gpu/drm/xe/xe_wa_oob.rules
> index 63d695f40214..2971dd5b372c 100644
> --- a/drivers/gpu/drm/xe/xe_wa_oob.rules
> +++ b/drivers/gpu/drm/xe/xe_wa_oob.rules
> @@ -76,3 +76,4 @@
>   14025941587	GRAPHICS_VERSION_RANGE(2001, 3511), FUNC(xe_rtp_match_not_sriov_vf)
>   		MEDIA_VERSION_RANGE(1301, 3503), FUNC(xe_rtp_match_not_sriov_vf)
>   16030224309	GRAPHICS_VERSION_RANGE(3510, 3511)
> +14028709524	GRAPHICS_VERSION(3510)
>
> base-commit: adaeb3881f12295309596acf2387c3f00b3050bb