From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755361AbbBCHsy (ORCPT ); Tue, 3 Feb 2015 02:48:54 -0500 Received: from mail-wg0-f54.google.com ([74.125.82.54]:51935 "EHLO mail-wg0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754951AbbBCHsu (ORCPT ); Tue, 3 Feb 2015 02:48:50 -0500 Date: Tue, 3 Feb 2015 08:50:11 +0100 From: Daniel Vetter To: Rob Clark Cc: Russell King - ARM Linux , Sumit Semwal , LKML , "linux-media@vger.kernel.org" , DRI mailing list , Linaro MM SIG Mailman List , "linux-arm-kernel@lists.infradead.org" , "linux-mm@kvack.org" , Linaro Kernel Mailman List , Tomasz Stanislawski , Robin Murphy , Marek Szyprowski , Daniel Vetter Subject: Re: [RFCv3 2/2] dma-buf: add helpers for sharing attacher constraints with dma-parms Message-ID: <20150203075011.GG14009@phenom.ffwll.local> Mail-Followup-To: Rob Clark , Russell King - ARM Linux , Sumit Semwal , LKML , "linux-media@vger.kernel.org" , DRI mailing list , Linaro MM SIG Mailman List , "linux-arm-kernel@lists.infradead.org" , "linux-mm@kvack.org" , Linaro Kernel Mailman List , Tomasz Stanislawski , Robin Murphy , Marek Szyprowski References: <20150129143908.GA26493@n2100.arm.linux.org.uk> <20150129154718.GB26493@n2100.arm.linux.org.uk> <20150129192610.GE26493@n2100.arm.linux.org.uk> <20150202165405.GX14009@phenom.ffwll.local> <20150202214616.GI8656@n2100.arm.linux.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Operating-System: Linux phenom 3.16-2-amd64 User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 02, 2015 at 05:36:10PM -0500, Rob Clark wrote: > well, I guess anyways when it comes to sharing buffers, it won't be > the vram placement of the bo that gets shared ;-) Actually that's pretty much what I'd like to be able to do for i915. Except that vram is just a specially protected chunk of main memory. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-we0-f179.google.com ([74.125.82.179]:49032 "EHLO mail-we0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754866AbbBCHsu (ORCPT ); Tue, 3 Feb 2015 02:48:50 -0500 Received: by mail-we0-f179.google.com with SMTP id q59so43336445wes.10 for ; Mon, 02 Feb 2015 23:48:49 -0800 (PST) Date: Tue, 3 Feb 2015 08:50:11 +0100 From: Daniel Vetter To: Rob Clark Cc: Russell King - ARM Linux , Sumit Semwal , LKML , "linux-media@vger.kernel.org" , DRI mailing list , Linaro MM SIG Mailman List , "linux-arm-kernel@lists.infradead.org" , "linux-mm@kvack.org" , Linaro Kernel Mailman List , Tomasz Stanislawski , Robin Murphy , Marek Szyprowski , Daniel Vetter Subject: Re: [RFCv3 2/2] dma-buf: add helpers for sharing attacher constraints with dma-parms Message-ID: <20150203075011.GG14009@phenom.ffwll.local> References: <20150129143908.GA26493@n2100.arm.linux.org.uk> <20150129154718.GB26493@n2100.arm.linux.org.uk> <20150129192610.GE26493@n2100.arm.linux.org.uk> <20150202165405.GX14009@phenom.ffwll.local> <20150202214616.GI8656@n2100.arm.linux.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-media-owner@vger.kernel.org List-ID: On Mon, Feb 02, 2015 at 05:36:10PM -0500, Rob Clark wrote: > well, I guess anyways when it comes to sharing buffers, it won't be > the vram placement of the bo that gets shared ;-) Actually that's pretty much what I'd like to be able to do for i915. Except that vram is just a specially protected chunk of main memory. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wg0-f47.google.com (mail-wg0-f47.google.com [74.125.82.47]) by kanga.kvack.org (Postfix) with ESMTP id 43D296B0038 for ; Tue, 3 Feb 2015 02:48:51 -0500 (EST) Received: by mail-wg0-f47.google.com with SMTP id n12so43038358wgh.6 for ; Mon, 02 Feb 2015 23:48:50 -0800 (PST) Received: from mail-wg0-x22d.google.com (mail-wg0-x22d.google.com. [2a00:1450:400c:c00::22d]) by mx.google.com with ESMTPS id iz17si12346913wic.42.2015.02.02.23.48.49 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 02 Feb 2015 23:48:50 -0800 (PST) Received: by mail-wg0-f45.google.com with SMTP id x12so42975543wgg.4 for ; Mon, 02 Feb 2015 23:48:49 -0800 (PST) Date: Tue, 3 Feb 2015 08:50:11 +0100 From: Daniel Vetter Subject: Re: [RFCv3 2/2] dma-buf: add helpers for sharing attacher constraints with dma-parms Message-ID: <20150203075011.GG14009@phenom.ffwll.local> References: <20150129143908.GA26493@n2100.arm.linux.org.uk> <20150129154718.GB26493@n2100.arm.linux.org.uk> <20150129192610.GE26493@n2100.arm.linux.org.uk> <20150202165405.GX14009@phenom.ffwll.local> <20150202214616.GI8656@n2100.arm.linux.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-ID: To: Rob Clark Cc: Russell King - ARM Linux , Sumit Semwal , LKML , "linux-media@vger.kernel.org" , DRI mailing list , Linaro MM SIG Mailman List , "linux-arm-kernel@lists.infradead.org" , "linux-mm@kvack.org" , Linaro Kernel Mailman List , Tomasz Stanislawski , Robin Murphy , Marek Szyprowski , Daniel Vetter On Mon, Feb 02, 2015 at 05:36:10PM -0500, Rob Clark wrote: > well, I guess anyways when it comes to sharing buffers, it won't be > the vram placement of the bo that gets shared ;-) Actually that's pretty much what I'd like to be able to do for i915. Except that vram is just a specially protected chunk of main memory. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org From mboxrd@z Thu Jan 1 00:00:00 1970 From: daniel@ffwll.ch (Daniel Vetter) Date: Tue, 3 Feb 2015 08:50:11 +0100 Subject: [RFCv3 2/2] dma-buf: add helpers for sharing attacher constraints with dma-parms In-Reply-To: References: <20150129143908.GA26493@n2100.arm.linux.org.uk> <20150129154718.GB26493@n2100.arm.linux.org.uk> <20150129192610.GE26493@n2100.arm.linux.org.uk> <20150202165405.GX14009@phenom.ffwll.local> <20150202214616.GI8656@n2100.arm.linux.org.uk> Message-ID: <20150203075011.GG14009@phenom.ffwll.local> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Feb 02, 2015 at 05:36:10PM -0500, Rob Clark wrote: > well, I guess anyways when it comes to sharing buffers, it won't be > the vram placement of the bo that gets shared ;-) Actually that's pretty much what I'd like to be able to do for i915. Except that vram is just a specially protected chunk of main memory. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch