From mboxrd@z Thu Jan  1 00:00:00 1970
From: "=?UTF-8?q?Christian=20K=C3=B6nig?=" <ckoenig.leichtzumerken-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: [PATCH 2/5] drm/prime: make the pages array optional for
 drm_prime_sg_to_page_addr_arrays
Date: Tue, 27 Feb 2018 12:49:57 +0100
Message-ID: <20180227115000.4105-2-christian.koenig@amd.com>
References: <20180227115000.4105-1-christian.koenig@amd.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
In-Reply-To: <20180227115000.4105-1-christian.koenig-5C7GfCeVMHo@public.gmane.org>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/amd-gfx>,
 <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/amd-gfx>
List-Post: <mailto:amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
List-Help: <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/amd-gfx>,
 <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=subscribe>
Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Sender: "amd-gfx" <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
To: dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
List-Id: dri-devel@lists.freedesktop.org
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