From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Widawsky Subject: Re: [Linaro-mm-sig] [PATCH] drm: base prime/dma-buf support (v5) Date: Tue, 27 Mar 2012 18:31:51 -0700 Message-ID: <20120327183151.0523bf8d@bwidawsk.net> References: <1332841666-10169-1-git-send-email-airlied@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from cloud01.chad-versace.us (184-106-247-128.static.cloud-ips.com [184.106.247.128]) by gabe.freedesktop.org (Postfix) with ESMTP id D63B99E70A for ; Tue, 27 Mar 2012 18:32:03 -0700 (PDT) In-Reply-To: <1332841666-10169-1-git-send-email-airlied@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: Dave Airlie Cc: linaro-mm-sig@lists.linaro.org, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org On Tue, 27 Mar 2012 10:47:46 +0100 Dave Airlie wrote: > From: Dave Airlie > > This adds the basic drm dma-buf interface layer, called PRIME, > > The main APIs exposed to userspace allow translating a 32-bit object > handle to a file descriptor, and a file descriptor to a 32-bit object > handle. > > The flags value is currently limited to O_CLOEXEC. > > Acknowledgements: > Daniel Vetter: lots of review > Rob Clark: cleaned up lots of the internals and did lifetime review. > > v2: rename some functions after Chris preferred a green shed > fix IS_ERR_OR_NULL -> IS_ERR > v3: Fix Ville pointed out using buffer + kmalloc > v4: add locking as per ickle review > v5: allow re-exporting the original dma-buf (Daniel) > > Signed-off-by: Dave Airlie I swear there was some other reason for the global hash... if only I could remember it. Acked-by: Ben Widawsky