From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Francis <David.Francis-5C7GfCeVMHo@public.gmane.org>
Subject: [PATCH 12/14] drm/amd/display: Write DSC enable to MST DPCD
Date: Mon, 19 Aug 2019 11:50:36 -0400
Message-ID: <20190819155038.1771-13-David.Francis@amd.com>
References: <20190819155038.1771-1-David.Francis@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: <20190819155038.1771-1-David.Francis-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
Cc: David Francis <David.Francis-5C7GfCeVMHo@public.gmane.org>, Wenjing Liu <Wenjing.Liu-5C7GfCeVMHo@public.gmane.org>, Nikola Cornij <Nikola.Cornij-5C7GfCeVMHo@public.gmane.org>
List-Id: dri-devel@lists.freedesktop.org
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