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 1704FD1268D for ; Wed, 3 Dec 2025 00:48:08 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CAFDF10E6FE; Wed, 3 Dec 2025 00:48:07 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="g5DGNLrk"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) by gabe.freedesktop.org (Postfix) with ESMTPS id EC1CF10E6FE for ; Wed, 3 Dec 2025 00:48:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1764722886; x=1796258886; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=c2/S7wx/zpTPNYeSYXRqwENicwdP17rQgl1oGwJEOkY=; b=g5DGNLrk/1FBXdz33kpAwj2wkfogHrWNTBNapN1GqO/oZceVM1kwdEzM XtmqhTDOIbYXpzdOMX+YJEeDjIAyH62YeEwmXS3LtDWlDa5Fj0EmVuC+d 7EPxwl1M/TmUOcuxO+nZNYYopalK8NDxwsaE+TPMpy0MvoMiF697BHDLS KA+94bwLO0ISJ6D3aFKJVKkCDwemrWjX4HbzYZpicMxMd2sVnVNXCcDdG KUNEZr4OKwq0454/jbdYwzBLBqS2TV+S9ZN0rVqh1q3pbfLDPOnInVVsE Kih8VGX4CkADHOEOpyN4uuR7pnAwVA0LC/3E/Fy2s6x2pE9n11kk/vaOk Q==; X-CSE-ConnectionGUID: zTrL2YCzShuCkow58J+Xbg== X-CSE-MsgGUID: l1b1ikI8SAa7hWLXy+y2KA== X-IronPort-AV: E=McAfee;i="6800,10657,11631"; a="65895342" X-IronPort-AV: E=Sophos;i="6.20,244,1758610800"; d="scan'208";a="65895342" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Dec 2025 16:48:06 -0800 X-CSE-ConnectionGUID: nQun+iWhS1WP5fMRMKbTUQ== X-CSE-MsgGUID: osC+8ti9TFaHX69G35a0+w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,244,1758610800"; d="scan'208";a="194340521" Received: from unerlige-desk1.jf.intel.com ([10.88.27.165]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Dec 2025 16:48:05 -0800 From: Umesh Nerlige Ramappa To: intel-xe@lists.freedesktop.org Cc: badal.nilawar@intel.com, ashutosh.dixit@intel.com, anoop.c.vijay@intel.com Subject: [PATCH v3 3/3] drm/xe/soc_remapper: Add system controller config for SoC remapper Date: Tue, 2 Dec 2025 16:48:04 -0800 Message-ID: <20251203004800.1993258-8-umesh.nerlige.ramappa@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251203004800.1993258-5-umesh.nerlige.ramappa@intel.com> References: <20251203004800.1993258-5-umesh.nerlige.ramappa@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" Define system controller config bits and helpers for SoC remapper. Signed-off-by: Umesh Nerlige Ramappa v2: (Badal) - Add kernel doc for function --- drivers/gpu/drm/xe/regs/xe_soc_remapper_regs.h | 1 + drivers/gpu/drm/xe/xe_soc_remapper.c | 13 +++++++++++++ drivers/gpu/drm/xe/xe_soc_remapper.h | 1 + 3 files changed, 15 insertions(+) diff --git a/drivers/gpu/drm/xe/regs/xe_soc_remapper_regs.h b/drivers/gpu/drm/xe/regs/xe_soc_remapper_regs.h index 9edf234227a9..be0eb37e73ad 100644 --- a/drivers/gpu/drm/xe/regs/xe_soc_remapper_regs.h +++ b/drivers/gpu/drm/xe/regs/xe_soc_remapper_regs.h @@ -9,5 +9,6 @@ #define SG_REMAP_INDEX1 XE_REG(SOC_BASE + 0x08) #define SG_REMAP_TELEM_MASK REG_GENMASK(31, 24) +#define SG_REMAP_SYSCTRL_MASK REG_GENMASK(23, 16) #endif diff --git a/drivers/gpu/drm/xe/xe_soc_remapper.c b/drivers/gpu/drm/xe/xe_soc_remapper.c index d28fd9f3c253..273e34c4183a 100644 --- a/drivers/gpu/drm/xe/xe_soc_remapper.c +++ b/drivers/gpu/drm/xe/xe_soc_remapper.c @@ -27,6 +27,19 @@ void xe_soc_remapper_set_telem_region(struct xe_device *xe, u32 index) REG_FIELD_PREP(SG_REMAP_TELEM_MASK, index)); } +/** + * xe_soc_remapper_set_sysctrl_region() - Select the system controller function + * @xe: Pointer to xe device. + * @index: Index of the function to be accessed. + * + * Selects a specific system controller function based on the index passed. + */ +void xe_soc_remapper_set_sysctrl_region(struct xe_device *xe, u32 index) +{ + xe_soc_remapper_set_region(xe, SG_REMAP_INDEX1, SG_REMAP_SYSCTRL_MASK, + REG_FIELD_PREP(SG_REMAP_SYSCTRL_MASK, index)); +} + /** * xe_soc_remapper_init() - Initialize SoC remapper * @xe: Pointer to xe device. diff --git a/drivers/gpu/drm/xe/xe_soc_remapper.h b/drivers/gpu/drm/xe/xe_soc_remapper.h index c7bee284405b..137c9f6f3bbe 100644 --- a/drivers/gpu/drm/xe/xe_soc_remapper.h +++ b/drivers/gpu/drm/xe/xe_soc_remapper.h @@ -10,5 +10,6 @@ int xe_soc_remapper_init(struct xe_device *xe); void xe_soc_remapper_set_telem_region(struct xe_device *xe, u32 index); +void xe_soc_remapper_set_sysctrl_region(struct xe_device *xe, u32 index); #endif -- 2.43.0