From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) (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 9A8171C1ADB for ; Tue, 11 Mar 2025 09:03:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.20 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741683819; cv=none; b=qMCnlZBSAV1sutt3Xz401FqTff2xwXBxe1WVxCjSRCNisg+BbETHxvj1heZZPwVeMA7Qt0EaWwmgixwcUVZlXk9RoCkGckH7WLsEfa7wOFLilzXgLNFoy++jBFQUpxc2IEn1vGjzbFhDNQaHu/rZdA7Z6HRtYsk9DnKjLqLtr8o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741683819; c=relaxed/simple; bh=KTR0u7yV49+97KMeVvvTS4wx8S48FDSIcf/W6o8WizQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=TJ7ms2IaNqOmBUw/z08b0LFLN1p1Y2Ii4tGqebsJZo4E35bt8fsFX0fS9zSNO1yuvJkpnXQXWnCALtjU0Hk8LnB1L9OmTcVHjzzX583bkka+dU5gXYRRQI0mPHXNieyN6TIwBADQgIY5T8DfFgyMwD3cXPo4bnJhouonyZ1b99k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=j9o7h3Kt; arc=none smtp.client-ip=198.175.65.20 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none 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="j9o7h3Kt" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1741683818; x=1773219818; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=KTR0u7yV49+97KMeVvvTS4wx8S48FDSIcf/W6o8WizQ=; b=j9o7h3KtOTCSGvCjkDDhM+96NWRmNgkoq30vcisuzhG3OMJvc0b8HwLl GXnFdLrrb5LVSbRk2hAuvCai943lZ2y+Q0C4B2QyKLQDrjgjakW/waM+y KncPC+S/uKUjPzKuqZg2c3ukS2v0fKYrI3AOPwjMaPVsMAD+5ztBPayQb qTNOhNKNan6e7mcmwv0hY1C+Tqk1XdFynxHFg7mXTvsVpHuR6EX+7DigH MVR4RmenQgOvRVug/U2q3uhm06UQBf8fmh+Cd4uYvHSkHuIcnkXrB6Il7 H8kQwaD1rEo4/iQor5WFML3kOjMQv0mizH2CvOkAWdp8oFtevOMo4h0B9 w==; X-CSE-ConnectionGUID: WaR+B+keRSGB4L4aF4VBTA== X-CSE-MsgGUID: 4ucUYpCfRVS0M0ir474hgw== X-IronPort-AV: E=McAfee;i="6700,10204,11369"; a="42427325" X-IronPort-AV: E=Sophos;i="6.14,238,1736841600"; d="scan'208";a="42427325" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Mar 2025 02:03:37 -0700 X-CSE-ConnectionGUID: qnwoe0ZEQ3GVPHaY9Q8Brg== X-CSE-MsgGUID: tLm0+AErT1K6STg2n3nHbA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,238,1736841600"; d="scan'208";a="151212812" Received: from sgruszka-mobl.ger.corp.intel.com (HELO localhost) ([10.245.112.97]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Mar 2025 02:03:35 -0700 Date: Tue, 11 Mar 2025 10:03:32 +0100 From: Stanislaw Gruszka To: Hao Yao Cc: Sakari Ailus , Bingbu Cao , Tianshu Qiu , Mauro Carvalho Chehab , linux-media@vger.kernel.org Subject: Re: [PATCH] media: ipu6: Remove workaround for Meteor Lake ES2 Message-ID: References: <20250311084203.516205-1-hao.yao@intel.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250311084203.516205-1-hao.yao@intel.com> On Tue, Mar 11, 2025 at 04:41:55PM +0800, Hao Yao wrote: > There was a hardware bug which need IPU6 driver to disable the ATS. > This workaround is not needed anymore as the bug was fixed in > hardware level. > > Signed-off-by: Hao Yao Reviewed-by: Stanislaw Gruszka Regards Stanislaw > --- > drivers/media/pci/intel/ipu6/ipu6.c | 5 ----- > 1 file changed, 5 deletions(-) > > diff --git a/drivers/media/pci/intel/ipu6/ipu6.c b/drivers/media/pci/intel/ipu6/ipu6.c > index 277af7cda8ee..b00d0705fefa 100644 > --- a/drivers/media/pci/intel/ipu6/ipu6.c > +++ b/drivers/media/pci/intel/ipu6/ipu6.c > @@ -464,11 +464,6 @@ static int ipu6_pci_config_setup(struct pci_dev *dev, u8 hw_ver) > { > int ret; > > - /* disable IPU6 PCI ATS on mtl ES2 */ > - if (is_ipu6ep_mtl(hw_ver) && boot_cpu_data.x86_stepping == 0x2 && > - pci_ats_supported(dev)) > - pci_disable_ats(dev); > - > /* No PCI msi capability for IPU6EP */ > if (is_ipu6ep(hw_ver) || is_ipu6ep_mtl(hw_ver)) { > /* likely do nothing as msi not enabled by default */ > -- > 2.43.0 > >