From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B545CC8303C for ; Wed, 2 Jul 2025 21:33:36 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7615510E764; Wed, 2 Jul 2025 21:33:36 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="GUKPTYMj"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0ACFF10E764 for ; Wed, 2 Jul 2025 21:33:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1751492016; x=1783028016; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=bM8Ilm7zlLz4nyOQVQ0rFWngJaEftRUsX+Vdg/DZhmY=; b=GUKPTYMjtvK6BM4x4oT6cO3m21cWfNWm+jDTS1d1OY5KIYzNdZxarby4 bSYcH+wS0kZoWe3wGuuQH7MUOwHhoES79+RKct7LD6HrPZEnZjWcMI+rN ktS2//mCxmlfAfg7UMKL3pEsgFSj1VPafa+zxihvM/4eaSB7pSfd4rzOQ HN7WVLdID5+hU44/VUFxg+wL9yNWOG/F0TLHac5dJPRuEXmzYSeL/x1Gy 1nuQqIp6fupWYKE3NmkaZL68oez/cqZAYjuuZsLxka/ByxRJnBY2rLRqv SoXvTO8aWmMVOwuyRbnSFZNw/OLXvTh2ugdiS80on354qMZ++7rSlFuMJ w==; X-CSE-ConnectionGUID: wavojf4bR4avVUy2OAy5+w== X-CSE-MsgGUID: Jfs8kohiTQmF4NkrOkw1GA== X-IronPort-AV: E=McAfee;i="6800,10657,11482"; a="64049794" X-IronPort-AV: E=Sophos;i="6.16,282,1744095600"; d="scan'208";a="64049794" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Jul 2025 14:33:35 -0700 X-CSE-ConnectionGUID: 8LMnPBsSQmyiHKX1mriYVA== X-CSE-MsgGUID: cB3GfCdxT62gX/Rgz21c6Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,282,1744095600"; d="scan'208";a="153637921" Received: from lstrano-desk.jf.intel.com ([10.54.39.91]) by orviesa006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Jul 2025 14:33:33 -0700 From: Matthew Brost To: intel-xe@lists.freedesktop.org Cc: francois.dugast@intel.com Subject: [PATCH] drm/xe: Allocate PF queue size on pow2 boundary Date: Wed, 2 Jul 2025 14:35:11 -0700 Message-Id: <20250702213511.3226167-1-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" CIRC_SPACE does not work unless the size argument is a power of 2, allocate PF queue size on power of 2 boundary. Cc: stable@vger.kernel.org Fixes: 3338e4f90c14 ("drm/xe: Use topology to determine page fault queue size") Fixes: 29582e0ea75c ("drm/xe: Add page queue multiplier") Signed-off-by: Matthew Brost --- drivers/gpu/drm/xe/xe_gt_pagefault.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/xe/xe_gt_pagefault.c b/drivers/gpu/drm/xe/xe_gt_pagefault.c index 3522865c67c9..5a75d56d8558 100644 --- a/drivers/gpu/drm/xe/xe_gt_pagefault.c +++ b/drivers/gpu/drm/xe/xe_gt_pagefault.c @@ -419,6 +419,7 @@ static int xe_alloc_pf_queue(struct xe_gt *gt, struct pf_queue *pf_queue) #define PF_MULTIPLIER 8 pf_queue->num_dw = (num_eus + XE_NUM_HW_ENGINES) * PF_MSG_LEN_DW * PF_MULTIPLIER; + pf_queue->num_dw = roundup_pow_of_two(pf_queue->num_dw); #undef PF_MULTIPLIER pf_queue->gt = gt; -- 2.34.1