From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A75EB4854F5 for ; Mon, 7 Sep 2026 11:30:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788780630; cv=none; b=RRpp9WRuQ+9uMWzpvTXlvBy34rlVNRCavH0p16mk4f9a/Zd5Z8KoR1U2dftS/y8ruPhZkdE39JklxWntG0xQXfinAwm7kJlRcM2gt/u9ki+Kxh68gy6XQEla2dNDUmNsPqmKDGkQ6lu0+n/TKdHTmHoKj3j1yU8xlLIw0ngj17E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788780630; c=relaxed/simple; bh=iCJWfNwVBFUnyxR7AJLypD4/Q/L9KP8E390Ct7ABsys=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=NpUj5TdGb2NfrwFnCNSmOq7EfzshMQ2d2QgRnUxRxpnXcByeBRdIHu+dyPdsRWeEzDUuc2MgphP4UEwlVSXh7l3vt9Ll+LCqPhQQB2dq1KVxHhFp/Zpdlq5D+07UXWDwKmPD9E5WO51VH3vjoRm8TRqz9RZV6UJE8s1YT7a55QA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=ZhZUS4Lx; arc=none smtp.client-ip=192.198.163.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="ZhZUS4Lx" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1788780629; x=1820316629; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=iCJWfNwVBFUnyxR7AJLypD4/Q/L9KP8E390Ct7ABsys=; b=ZhZUS4LxBNq8DCTBoAVIO5snyQBcu80nukR+AbyRiQlOTnUvGo3S0gCi XNLpG1mnzs+FBeQ5DWz2fPLb9w0qi1TD8LIvnojeUWk/R5BXm2J1R9bsQ y8pmgT5OeC7AyMRmyQQcs8E+FX4ocp0o69uklRxBRiK0xY2aA1VBGsjx6 8y3Imas1RfBjnk7rUip07mzEd2wJ6mwfRjtY9edoSw2+gglU6CBa9s0hh HFEUjJkFgUvNt92wBSLnpC2oSC+noNOVz01xqaLL5NdqbM/RzeLgrvMce /7Dzx95qwYiT4OQI+DDI3Bti/qZosOm+inh8vV88uACh2O1dgRnf07bjW Q==; X-CSE-ConnectionGUID: CXPaJNThRiuU/x7mA1t4qg== X-CSE-MsgGUID: hMULEtpbQfCpg84f390+sQ== X-IronPort-AV: E=McAfee;i="6800,10657,11898"; a="100538632" X-IronPort-AV: E=Sophos;i="6.25,267,1779174000"; d="scan'208";a="100538632" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Sep 2026 04:30:14 -0700 X-CSE-ConnectionGUID: e8EH4cKXS9OOd33CTZGNSA== X-CSE-MsgGUID: CEBKkOI7T6mnX4X5s7nD1w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,267,1779174000"; d="scan'208";a="300569241" Received: from abityuts-desk1.ger.corp.intel.com (HELO kekkonen.fi.intel.com) ([10.245.245.230]) by orviesa002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Sep 2026 04:30:12 -0700 Received: from punajuuri.localdomain (unknown [192.168.240.130]) by kekkonen.fi.intel.com (Postfix) with ESMTP id 0957D122954; Mon, 07 Sep 2026 14:30:06 +0300 (EEST) Received: from sailus by punajuuri.localdomain with local (Exim 4.98.2) (envelope-from ) id 1x3XY5-0000000ARpT-29oN; Mon, 07 Sep 2026 14:30:05 +0300 Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo From: Sakari Ailus To: linux-media@vger.kernel.org Cc: Antti Laakso , sarang.sapre@intel.com, daxing.li@intel.com, ong.hock.yu@intel.com Subject: [PATCH v4 34/45] media: ipu6: The VC arbitration mechanism is ipu6 only Date: Mon, 7 Sep 2026 14:29:53 +0300 Message-ID: <20260907113004.2489993-35-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260907113004.2489993-1-sakari.ailus@linux.intel.com> References: <20260907113004.2489993-1-sakari.ailus@linux.intel.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Antti Laakso The ipu7 doesn't support the VC arbitration mechanism that exist in ipu6. Signed-off-by: Antti Laakso Signed-off-by: Sakari Ailus --- drivers/media/pci/intel/ipu6/ipu6.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/media/pci/intel/ipu6/ipu6.c b/drivers/media/pci/intel/ipu6/ipu6.c index cb1145080460..7d1c3713a69b 100644 --- a/drivers/media/pci/intel/ipu6/ipu6.c +++ b/drivers/media/pci/intel/ipu6/ipu6.c @@ -447,7 +447,12 @@ static int ipu6_pci_config_setup(struct pci_dev *dev) static void ipu6_configure_vc_mechanism(struct ipu6_device *isp) { - u32 val = readl(isp->base + BUTTRESS_REG_BTRS_CTRL); + u32 val; + + if (IS_IPU7(isp)) + return; + + val = readl(isp->base + BUTTRESS_REG_BTRS_CTRL); if (IPU6_BTRS_ARB_STALL_MODE_VC0 == IPU6_BTRS_ARB_MODE_TYPE_STALL) val |= BUTTRESS_REG_BTRS_CTRL_STALL_MODE_VC0; -- 2.47.3