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 65921C2A07D for ; Mon, 5 Jan 2026 04:02:47 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 37F5310E372; Mon, 5 Jan 2026 04:02:46 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="nXxJIeVU"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id A2A4210E27C for ; Mon, 5 Jan 2026 04:02:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1767585766; x=1799121766; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=OTpE/Sqr2sKuAzgOlD68HLM/v8cAr0F8Ug97FfpnmMs=; b=nXxJIeVUlBHjaMC1VuFS8ZgRq+kCrO/aZpr3E6sLe+ZOFpA3aC1KFA8G unV5RkyIWz1Ue5YOFo5Gp6Qml7D0sWwpTnINp5WTjAYNhJEtBuctC25Ny bxW6NdHSInd28+GETynU7dbOpOBvL26l4tJ4Kv80/yTjC9IxzNXMSN1Xx O8znxGnvvImn8q53tNcDkQP62re/o/doFn6jGKCqovILbSPLs/fvOrevV siRDCEbVfxEbNd9N6BaCNncYqcOKwMkm7NUz+oXinuQJDtiBsfMmzz4Em ew2r/kxvhpdmdYOjiBR4tP9SJ2LPCySZ3H4PNtYcrelCWbqZ6bLuO51fW A==; X-CSE-ConnectionGUID: 1MYyWbu2Q6+tgTuwgSF34A== X-CSE-MsgGUID: Bzfd8tToTeu5KSYVtHbVbA== X-IronPort-AV: E=McAfee;i="6800,10657,11661"; a="68856268" X-IronPort-AV: E=Sophos;i="6.21,202,1763452800"; d="scan'208";a="68856268" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jan 2026 20:02:45 -0800 X-CSE-ConnectionGUID: P7ZuM/KIQqOq2B4WmALGwg== X-CSE-MsgGUID: FgVKBlDJThW79h421yXXkg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,202,1763452800"; d="scan'208";a="202060680" Received: from lstrano-desk.jf.intel.com ([10.54.39.91]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jan 2026 20:02:42 -0800 From: Matthew Brost To: intel-xe@lists.freedesktop.org Cc: daniele.ceraolospurio@intel.com, carlos.santa@intel.com Subject: [PATCH v2 15/22] drm/xe: Add deadline Kconfig options Date: Sun, 4 Jan 2026 20:02:30 -0800 Message-Id: <20260105040237.1307873-16-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260105040237.1307873-1-matthew.brost@intel.com> References: <20260105040237.1307873-1-matthew.brost@intel.com> 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" Add Kconfig options to tune the deadline manager behavior. CONFIG_DRM_XE_DEADLINE_WINDOW_US configures the deadline window. If a fence is not signaled within this window prior to the programmed deadline, deadline boosting is activated. The default is 3000 us, allowing OEMs to tune deadline sensitivity. CONFIG_DRM_XE_DEADLINE_PRIO_BOOST_WINDOW_PERCENT configures the percentage of the deadline window during which priority boosting is applied in addition to frequency boosting. CONFIG_DRM_XE_DEADLINE_EXIT_DELAY_MS configures the delay from the last deadline signaling until the boost mode is exited. v2: - s/CONFIG_DRM_XE_DEADLINE_WINDOW/CONFIG_DRM_XE_DEADLINE_WINDOW_US - Add priority boost percent Kconfig Signed-off-by: Matthew Brost --- drivers/gpu/drm/xe/Kconfig.profile | 22 ++++++++++++++++++++++ drivers/gpu/drm/xe/xe_deadline_mgr.c | 17 ++++++++++++++++- 2 files changed, 38 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/xe/Kconfig.profile b/drivers/gpu/drm/xe/Kconfig.profile index 594acedf7b56..e01e7cc11c53 100644 --- a/drivers/gpu/drm/xe/Kconfig.profile +++ b/drivers/gpu/drm/xe/Kconfig.profile @@ -60,3 +60,25 @@ config DRM_XE_ENABLE_SCHEDTIMEOUT_LIMIT to apply to applicable user. For elevated user, all above MIN and MAX values will apply when this configuration is enable to apply limitation. By default limitation is applied. + +config DRM_XE_DEADLINE_WINDOW_US + int "Default deadline window (us)" + default 3000 + help + Specifies the deadline window in microseconds. If a fence has not + been signaled when the current time is within this window of its + programmed deadline, deadline boosting is enabled. + +config DRM_XE_DEADLINE_PRIO_BOOST_WINDOW_PERCENT + int "Percent of deadline window with priority boost" + default 60 + range 0 100 + help + Specifies the percentage of the deadline window during which + priority boosting is applied in addition to frequency boosting. + +config DRM_XE_DEADLINE_EXIT_DELAY_MS + int "Default deadline exit delay (ms)" + default 100 + help + Specifies the deadline exit delay in milliseconds. diff --git a/drivers/gpu/drm/xe/xe_deadline_mgr.c b/drivers/gpu/drm/xe/xe_deadline_mgr.c index 061664ed24e3..8ebecf92aa8c 100644 --- a/drivers/gpu/drm/xe/xe_deadline_mgr.c +++ b/drivers/gpu/drm/xe/xe_deadline_mgr.c @@ -11,9 +11,24 @@ #include "xe_gt.h" #include "xe_hw_fence.h" +#ifdef CONFIG_DRM_XE_DEADLINE_WINDOW_US +#define XE_DEADLINE_WINDOW_US CONFIG_DRM_XE_DEADLINE_WINDOW_US +#else #define XE_DEADLINE_WINDOW_US 3000 -#define XE_DEADLINE_PRIO_BOOST_WINDOW_PERCENT 60 +#endif + +#ifdef CONFIG_DRM_XE_DEADLINE_PRIO_BOOST_WINDOW_PERCENT +#define XE_DEADLINE_PRIO_BOOST_WINDOW_PERCENT \ + CONFIG_DRM_XE_DEADLINE_PRIO_BOOST_WINDOW_PERCENT +#else +#define XE_DEADLINE_PRIO_BOOST_WINDOW_PERCENT 60 +#endif + +#ifdef CONFIG_DRM_XE_DEADLINE_EXIT_DELAY_MS +#define XE_DEADLINE_EXIT_DELAY_MS CONFIG_DRM_XE_DEADLINE_EXIT_DELAY_MS +#else #define XE_DEADLINE_EXIT_DELAY_MS 100 +#endif static ktime_t __xe_deadline_mgr_freq_boost_window(void) { -- 2.34.1