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 7EBCFCD342C for ; Mon, 4 May 2026 10:06:28 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1BA8510E192; Mon, 4 May 2026 10:06:28 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="RKsSBp1e"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) by gabe.freedesktop.org (Postfix) with ESMTPS id 141E510E192 for ; Mon, 4 May 2026 10:06:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1777889187; x=1809425187; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=8p4syC621wJ2PcbhN0gpT7UdZvzngP+37wP1RYvlL2I=; b=RKsSBp1eUUORr4xOILqVTOuCjs1VYeTh2EyHrQnB6PH/6Ly7L03aWlNv zKxvKZzvAMPHPyYm44SWpDwuGg67QuColzeZLvuZ8UGhQ/5vbohCMeboE GofCNrzKXRX1IPRwG93OqCxzJ/nOQJruCj1qztZPR6LVHTxLs2HWYlWvh eEat+uIOa0KKExwlIFytBt2gvg8Uvj+Ay4K6nYHcZv1rYDCbFJOf4m/nh QY6vR9gkIvsw7BLgVCs7eTwXQbzHE1urqZ+DVgA092lDrVWjnlAMow2rC 2wjd2V4v31DS/6MqyoKpLxk/bLGVzx4vR+hEzEf09U4nY88r/fDJD/BQB Q==; X-CSE-ConnectionGUID: gkw8IjPtSgW2uaMBtHJRVg== X-CSE-MsgGUID: /DDI8B+8SYShk5QTZXzhqw== X-IronPort-AV: E=McAfee;i="6800,10657,11775"; a="89847221" X-IronPort-AV: E=Sophos;i="6.23,215,1770624000"; d="scan'208";a="89847221" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 May 2026 03:06:26 -0700 X-CSE-ConnectionGUID: RAQ3G5kFQbGPDFGCECh94A== X-CSE-MsgGUID: 9e3Nrva9TkiRJihz6YC61g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,215,1770624000"; d="scan'208";a="232825246" Received: from ettammin-mobl2.ger.corp.intel.com (HELO tpalli-mobl3.intel.com) ([10.245.245.163]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 May 2026 03:06:24 -0700 From: =?UTF-8?q?Tapani=20P=C3=A4lli?= To: intel-xe@lists.freedesktop.org Cc: matthew.s.atwood@intel.com, =?UTF-8?q?Tapani=20P=C3=A4lli?= Subject: [PATCH] drm/xe: enable sampler LD on LSC control via render surface state Date: Mon, 4 May 2026 13:05:11 +0300 Message-ID: <20260504100511.146844-1-tapani.palli@intel.com> X-Mailer: git-send-email 2.53.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 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" This makes it possible for user space driver to control LSC usage for sampler loads. Bspec: 56846 Signed-off-by: Tapani Pälli --- drivers/gpu/drm/xe/xe_tuning.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_tuning.c b/drivers/gpu/drm/xe/xe_tuning.c index ce39b77a084a..f3ed27115893 100644 --- a/drivers/gpu/drm/xe/xe_tuning.c +++ b/drivers/gpu/drm/xe/xe_tuning.c @@ -92,6 +92,13 @@ static const struct xe_rtp_entry_sr gt_tunings[] = { XE_RTP_ACTIONS(SET(XE2LPM_SCRATCH3_LBCF, RWFLUSHALLEN)) }, + /* Xe3 */ + + { XE_RTP_NAME("Tuning: Enable Sampler LD on LSC Controlled by Render Surface State"), + XE_RTP_RULES(GRAPHICS_VERSION_RANGE(3000, XE_RTP_END_VERSION_UNDEFINED)), + XE_RTP_ACTIONS(SET(LSC_CHICKEN_BIT_0_UDW, ENABLE_SMP_LD_RENDER_SURFACE_CONTROL)) + }, + /* Xe3p */ { XE_RTP_NAME("Tuning: Set STLB Bank Hash Mode to 4KB"), -- 2.53.0