From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark yao Subject: Re: [RESEND PATCH] drm/rockchip: import dma_buf to gem Date: Tue, 17 Nov 2015 16:01:21 +0800 Message-ID: <564ADED1.7090208@rock-chips.com> References: <1447146717-11423-1-git-send-email-mark.yao@rock-chips.com> <20151116162547.GE16848@phenom.ffwll.local> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20151116162547.GE16848@phenom.ffwll.local> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: David Airlie , Heiko Stuebner , Russell King , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org List-Id: linux-rockchip.vger.kernel.org T24gMjAxNeW5tDEx5pyIMTfml6UgMDA6MjUsIERhbmllbCBWZXR0ZXIgd3JvdGU6Cj4gT24gVHVl LCBOb3YgMTAsIDIwMTUgYXQgMDU6MTE6NTdQTSArMDgwMCwgTWFyayBZYW8gd3JvdGU6Cj4+ID5X ZSB3YW50IHRvIGRpc3BsYXkgYSBidWZmZXIgYWxsb2NhdGVkIGJ5IG90aGVyIGRyaXZlciwgbmVl ZCBpbXBvcnQKPj4gPnRoZSBidWZmZXIgdG8gZ2VtLgo+IERvZXMgdGhpcyB3b3JrIHdpdGggc29t ZSBvcGVuLXNvdXJjZSBkcml2ZXIvdXNlcnNwYWNlIG9yIGlzIHRoaXMgZm9yIHRoZQo+IHByb3By aWV0YXJ5IHN0YWNrIG9ubHk/IEEgYml0IGEgZ3JleSBhcmVhIEkgZ3Vlc3MsIGJ1dCBpZiBpdCdz IG9ubHkgZm9yCj4gdGhlIHByb3ByaWV0YXJ5IHN0YWNrIEkgdGhpbmsgaXQgc2hvdWxkbid0IGxh bmQgaW4gdXBzdHJlYW0gLSBtYWtpbmcgc3VyZQo+IGl0IHdvcmtzIHdpdGggb3Blbi1zb3VyY2Ug KGUuZy4gWG9yZyBwcmltZSkgZmlyc3Qgd291bGQgYmUgZ29vZC4KPiAtRGFuaWVsCj4KSGkgRGFu aWVsCiAgICAgSXQgd29ya3Mgb24gb3Blbi1zb3VyY2Ugd2l0aCBmb2xsb3dpbmcgc3RhY2s6CiAg ICAgICAgIGlvbiAtPiBkbWFfZmQgIC0+IHByaW1lIGZkIHRvIGhhbmRsZSAtPiBkcm0gLT4gdm9w CgogICAgIGlvbiBpcyB0aGUgYW5kcm9pZCBJT04gbWVtb3J5IGFsbG9jYXRvciwgaXRzIGRyaXZl ciBhdCAKdXBzdHJlYW0ta2VybmVsL2RyaXZlcnMvc3RhZ2luZy9hbmRyb2lkL2lvbi4KCiAgICAg V2UgaGF2ZSBzb21lIGFwcGxpY2F0aW9uIHVzZSBpb24gb24gYW5kcm9pZCwgYW5kIHdhbnQgdG8g cG9ydCB0byAKWG9yZyBzaWRlLgoKVGhhbmtzCgotLSAK77ytYXJrIFlhbwoKCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxp c3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0 b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg== From mboxrd@z Thu Jan 1 00:00:00 1970 From: mark.yao@rock-chips.com (Mark yao) Date: Tue, 17 Nov 2015 16:01:21 +0800 Subject: [RESEND PATCH] drm/rockchip: import dma_buf to gem In-Reply-To: <20151116162547.GE16848@phenom.ffwll.local> References: <1447146717-11423-1-git-send-email-mark.yao@rock-chips.com> <20151116162547.GE16848@phenom.ffwll.local> Message-ID: <564ADED1.7090208@rock-chips.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 2015?11?17? 00:25, Daniel Vetter wrote: > On Tue, Nov 10, 2015 at 05:11:57PM +0800, Mark Yao wrote: >> >We want to display a buffer allocated by other driver, need import >> >the buffer to gem. > Does this work with some open-source driver/userspace or is this for the > proprietary stack only? A bit a grey area I guess, but if it's only for > the proprietary stack I think it shouldn't land in upstream - making sure > it works with open-source (e.g. Xorg prime) first would be good. > -Daniel > Hi Daniel It works on open-source with following stack: ion -> dma_fd -> prime fd to handle -> drm -> vop ion is the android ION memory allocator, its driver at upstream-kernel/drivers/staging/android/ion. We have some application use ion on android, and want to port to Xorg side. Thanks -- ?ark Yao From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752211AbbKQIBc (ORCPT ); Tue, 17 Nov 2015 03:01:32 -0500 Received: from regular1.263xmail.com ([211.150.99.133]:35240 "EHLO regular1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751053AbbKQIBb (ORCPT ); Tue, 17 Nov 2015 03:01:31 -0500 X-263anti-spam: KSV:0;BIG:0;ABS:1;DNS:0;ATT:0;SPF:S; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 1 X-SKE-CHECKED: 1 X-ADDR-CHECKED: 0 X-RL-SENDER: mark.yao@rock-chips.com X-FST-TO: linux-kernel@vger.kernel.org X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: mark.yao@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 Message-ID: <564ADED1.7090208@rock-chips.com> Date: Tue, 17 Nov 2015 16:01:21 +0800 From: Mark yao User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.8.0 MIME-Version: 1.0 To: David Airlie , Heiko Stuebner , Russell King , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [RESEND PATCH] drm/rockchip: import dma_buf to gem References: <1447146717-11423-1-git-send-email-mark.yao@rock-chips.com> <20151116162547.GE16848@phenom.ffwll.local> In-Reply-To: <20151116162547.GE16848@phenom.ffwll.local> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2015年11月17日 00:25, Daniel Vetter wrote: > On Tue, Nov 10, 2015 at 05:11:57PM +0800, Mark Yao wrote: >> >We want to display a buffer allocated by other driver, need import >> >the buffer to gem. > Does this work with some open-source driver/userspace or is this for the > proprietary stack only? A bit a grey area I guess, but if it's only for > the proprietary stack I think it shouldn't land in upstream - making sure > it works with open-source (e.g. Xorg prime) first would be good. > -Daniel > Hi Daniel It works on open-source with following stack: ion -> dma_fd -> prime fd to handle -> drm -> vop ion is the android ION memory allocator, its driver at upstream-kernel/drivers/staging/android/ion. We have some application use ion on android, and want to port to Xorg side. Thanks -- Ｍark Yao