From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?B?VGVyamUgQmVyZ3N0csO2bQ==?= Subject: Re: [PATCHv4 0/8] Support for Tegra 2D hardware Date: Fri, 21 Dec 2012 15:57:56 +0200 Message-ID: <50D46AE4.8020308@nvidia.com> References: <1356089964-5265-1-git-send-email-tbergstrom@nvidia.com> <1356097818.1490.109.camel@tellur> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1356097818.1490.109.camel@tellur> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Lucas Stach Cc: "thierry.reding-RM9K5IK7kjKj5M59NBduVrNAH6kLmebB@public.gmane.org" , "airlied-cv59FeDIM0c@public.gmane.org" , "dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" , "linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: linux-tegra@vger.kernel.org On 21.12.2012 15:50, Lucas Stach wrote: > This has to be resolved before merging. Personally I'm in favour of > keeping reg access patterns close to what is done in other parts of the > kernel. I haven't so far received comments from too many people, so that's why I left it as is. >> * Uses still CMA helpers. IOMMU support will replace CMA with host1x >> specific allocator. > > I really want the allocator issue resolved before talking about merging > those patches. Proper IOMMU support will require a bit of rework of the > current upstream IOMMU API, so it will still be a bit out. > > But if you don't mind I'll try to implement the host1x allocator over > the holidays and provide an incremental patch. Do you mean host1x CMA allocator using dma mapping API? That'd be great if you could help out. I've just tried to concentrate on getting ok for base essentials before doing any extra work. Terje From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752093Ab2LUNx3 (ORCPT ); Fri, 21 Dec 2012 08:53:29 -0500 Received: from hqemgate04.nvidia.com ([216.228.121.35]:2586 "EHLO hqemgate04.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751153Ab2LUNxW (ORCPT ); Fri, 21 Dec 2012 08:53:22 -0500 X-PGP-Universal: processed; by hqnvupgp06.nvidia.com on Fri, 21 Dec 2012 05:51:30 -0800 Message-ID: <50D46AE4.8020308@nvidia.com> Date: Fri, 21 Dec 2012 15:57:56 +0200 From: =?UTF-8?B?VGVyamUgQmVyZ3N0csO2bQ==?= User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Thunderbird/17.0 MIME-Version: 1.0 To: Lucas Stach CC: "thierry.reding@avionic-design.de" , "airlied@linux.ie" , "dri-devel@lists.freedesktop.org" , "linux-tegra@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCHv4 0/8] Support for Tegra 2D hardware References: <1356089964-5265-1-git-send-email-tbergstrom@nvidia.com> <1356097818.1490.109.camel@tellur> In-Reply-To: <1356097818.1490.109.camel@tellur> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 21.12.2012 15:50, Lucas Stach wrote: > This has to be resolved before merging. Personally I'm in favour of > keeping reg access patterns close to what is done in other parts of the > kernel. I haven't so far received comments from too many people, so that's why I left it as is. >> * Uses still CMA helpers. IOMMU support will replace CMA with host1x >> specific allocator. > > I really want the allocator issue resolved before talking about merging > those patches. Proper IOMMU support will require a bit of rework of the > current upstream IOMMU API, so it will still be a bit out. > > But if you don't mind I'll try to implement the host1x allocator over > the holidays and provide an incremental patch. Do you mean host1x CMA allocator using dma mapping API? That'd be great if you could help out. I've just tried to concentrate on getting ok for base essentials before doing any extra work. Terje