From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) (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 C250948BD51 for ; Fri, 21 Aug 2026 11:44:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787312698; cv=none; b=qA+KDD/TJUbgJXy+fCdT9V62aF+1eQZ+QRN+j2q9uoegVfeVcEFI/laE7U5WTDJy3ggVMcxOMctybc6yB3s8SqQd/9X/jZt+tZQBQpnV4JnzMFx2ksGMvmRbngQePFFMwpgM+ZOQnn/3jcA3dOful0w1oi/fntiJnUcGtI2JXjk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787312698; c=relaxed/simple; bh=KeFdm7ZM020ep5ugKl1/7LLqSxzlfwlljpnaQuS6flI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=MtkEI4ogAXF1HrjQ0Kq2hqU79Uwx+AI/Rv3B7/8y23iUpr1PHgH/0s4tG1xdt7LDe5UeeoRwXIrHgFUk10aHQZvVDY7izjshdEIYswkeQJULHCvVmvtVOhwdFubjnSsFDsngSTUgjLMIS80HXBVbt2qR3SFuMJQKUYg8fuVQSGk= 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=fFXUXlFn; arc=none smtp.client-ip=192.198.163.15 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="fFXUXlFn" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1787312697; x=1818848697; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=KeFdm7ZM020ep5ugKl1/7LLqSxzlfwlljpnaQuS6flI=; b=fFXUXlFn7tbflDjcHR0i9urCImED4e29nLSiHFK3xJnWdZ7/g3AIwPjQ 8dCEBKyrwBtYH48ZbXgZWu7otUJDF2O7yzDUQQfT+hsdnh/lCmL/Mf3ro v7hGJzbZvwKBiKYVIHJ0/nGyoHuw7KOS19IWq17jJY93SwJ9x877jNm8b Y+gF87H+6rr5Lk8vrcfdpMwtBXpT7ME5nbfIk47b+7LtivWGvWffPvBjY KIm3QaV8XKIvL7J30SuDR3SZyqKf5emwNOzYLPIaIYoB7jALq1i9pYnB5 rZjmUTE9WXocZViZjXXJ895ZyaABqxJ++l3485SPXTNpEXQxHMo59FwY1 Q==; X-CSE-ConnectionGUID: E5pfLyscSYexAcPKAKUGOw== X-CSE-MsgGUID: P/O7q/+yQ4GS7NAaKE8i0g== X-IronPort-AV: E=McAfee;i="6800,10657,11881"; a="87989120" X-IronPort-AV: E=Sophos;i="6.25,235,1779174000"; d="scan'208";a="87989120" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Aug 2026 04:44:56 -0700 X-CSE-ConnectionGUID: T857OEjbS7KNWBhaS7ujRw== X-CSE-MsgGUID: G77tso16RbGywXAQjX+n4w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,235,1779174000"; d="scan'208";a="291172386" Received: from mwiniars-mobl.ger.corp.intel.com (HELO alaakso-desk.kioski) ([10.245.246.151]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Aug 2026 04:44:54 -0700 From: Antti Laakso To: linux-media@vger.kernel.org, mchehab@kernel.org, sakari.ailus@linux.intel.com Cc: daxing.li@intel.com, ong.hock.yu@intel.com, antti.laakso@linux.intel.com Subject: [PATCH v2 34/44] media: ipu6: The VC arbitration mechanism is ipu6 only Date: Fri, 21 Aug 2026 14:42:52 +0300 Message-ID: <20260821114302.365532-35-antti.laakso@linux.intel.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260821114302.365532-1-antti.laakso@linux.intel.com> References: <20260821114302.365532-1-antti.laakso@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 The ipu7 doesn't support the VC arbitration mechanism that exist in ipu6. Signed-off-by: Antti Laakso --- 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; -- 2.55.0