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 539A5CD98DE for ; Mon, 15 Jun 2026 22:42:43 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 15E4210E6D8; Mon, 15 Jun 2026 22:42:43 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="dut06InO"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3439210E539 for ; Mon, 15 Jun 2026 22:42:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1781563353; x=1813099353; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=O05MjF3IXbQDmIoYveZzrpvltW5csVZL76yntP+Mhtg=; b=dut06InOg6B2By7NzQGBivjMf6m8hUQSx4mzxTsD9nhVN1m1uixodVsT R8e64Zu/Bw7XxXFZyZAn76k72knVxLBkP6N2yUe/1xcshVtrjTBeA8yIB H5LqkgO8lMHJydUcv1yjHVFu1lorD7RZslVd6K1PRch15FVCLB6S5mKN2 EypP7S/1NGsmEe3pvq5OvPe+zOLjA+uE88FW1FVpRwataaAxxl4eOuwyq Fuqc9t4kUy4kf5HDdHf63a2x3C0cO9k9rdQ8BDBpAuNyRxtl0zrPlYcqm u9qZGNvrK1fPxEYxzO5rnCsklZzDpj77+xb/QtgNsLKIaiY02OMQ8Ky6e Q==; X-CSE-ConnectionGUID: sFy3kn2DR2y5SDMkDHX7jg== X-CSE-MsgGUID: otb+jAAqQByXwMs52zLq4A== X-IronPort-AV: E=McAfee;i="6800,10657,11818"; a="82513158" X-IronPort-AV: E=Sophos;i="6.24,207,1774335600"; d="scan'208";a="82513158" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jun 2026 15:42:32 -0700 X-CSE-ConnectionGUID: Aj51RxVBSJ6UGZOvDUmz7Q== X-CSE-MsgGUID: N2toL4pgSvK5AQqaBTrv3A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,207,1774335600"; d="scan'208";a="247676804" Received: from orsosgc001.jf.intel.com ([10.88.27.185]) by orviesa007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jun 2026 15:42:31 -0700 From: Ashutosh Dixit To: intel-xe@lists.freedesktop.org Subject: [PATCH v3 7/9] drm/xe/rtp: (De-)whitelist OA registers for all hwe's for a gt Date: Mon, 15 Jun 2026 15:42:25 -0700 Message-ID: <20260615224227.34880-8-ashutosh.dixit@intel.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260615224227.34880-1-ashutosh.dixit@intel.com> References: <20260615224227.34880-1-ashutosh.dixit@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" Whitelist or de-whitelist OA registers for all hwe's on the gt on which the OA stream is opened. This simplifies the case where an oa unit has 0 attached hwe's (but which monitors OA events on the associated GT). Signed-off-by: Ashutosh Dixit Reviewed-by: Umesh Nerlige Ramappa --- drivers/gpu/drm/xe/xe_reg_whitelist.c | 32 ++++++++++++++++++++++++++- drivers/gpu/drm/xe/xe_reg_whitelist.h | 4 ++++ 2 files changed, 35 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/xe/xe_reg_whitelist.c b/drivers/gpu/drm/xe/xe_reg_whitelist.c index 7186998df498c..b2e7aabd19d79 100644 --- a/drivers/gpu/drm/xe/xe_reg_whitelist.c +++ b/drivers/gpu/drm/xe/xe_reg_whitelist.c @@ -229,7 +229,7 @@ void xe_reg_whitelist_process_engine(struct xe_hw_engine *hwe) whitelist_apply_to_hwe(hwe, &hwe->oa_whitelist, &hwe->reg_sr, first_oa_slot); } -__maybe_unused static void __whitelist_oa_regs(struct xe_hw_engine *hwe, bool whitelist) +static void __whitelist_oa_regs(struct xe_hw_engine *hwe, bool whitelist) { struct xe_reg_sr_entry *entry; unsigned long reg; @@ -244,6 +244,36 @@ __maybe_unused static void __whitelist_oa_regs(struct xe_hw_engine *hwe, bool wh xe_reg_sr_apply_mmio(&hwe->oa_sr, hwe->gt); } +/** + * xe_reg_whitelist_oa_regs - whitelist oa registers for gt + * @gt: gt to whitelist oa registers for + * + * Whitelist OA registers by resetting RING_FORCE_TO_NONPRIV_DENY + */ +void xe_reg_whitelist_oa_regs(struct xe_gt *gt) +{ + struct xe_hw_engine *hwe; + enum xe_hw_engine_id id; + + for_each_hw_engine(hwe, gt, id) + __whitelist_oa_regs(hwe, true); +} + +/** + * xe_reg_dewhitelist_oa_regs - dewhitelist oa registers for gt + * @gt: gt to dewhitelist oa registers for + * + * Dewhitelist OA registers by setting RING_FORCE_TO_NONPRIV_DENY + */ +void xe_reg_dewhitelist_oa_regs(struct xe_gt *gt) +{ + struct xe_hw_engine *hwe; + enum xe_hw_engine_id id; + + for_each_hw_engine(hwe, gt, id) + __whitelist_oa_regs(hwe, false); +} + /** * xe_reg_whitelist_print_entry - print one whitelist entry * @p: DRM printer diff --git a/drivers/gpu/drm/xe/xe_reg_whitelist.h b/drivers/gpu/drm/xe/xe_reg_whitelist.h index 3b64b42fe96e9..e1eb1b7d5480b 100644 --- a/drivers/gpu/drm/xe/xe_reg_whitelist.h +++ b/drivers/gpu/drm/xe/xe_reg_whitelist.h @@ -9,12 +9,16 @@ #include struct drm_printer; +struct xe_gt; struct xe_hw_engine; struct xe_reg_sr; struct xe_reg_sr_entry; void xe_reg_whitelist_process_engine(struct xe_hw_engine *hwe); +void xe_reg_whitelist_oa_regs(struct xe_gt *gt); +void xe_reg_dewhitelist_oa_regs(struct xe_gt *gt); + void xe_reg_whitelist_print_entry(struct drm_printer *p, unsigned int indent, u32 reg, struct xe_reg_sr_entry *entry); -- 2.54.0