Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Xin Ji <xji@analogixsemi.com>
To:     Andrzej Hajda <andrzej.hajda@intel.com>,
        Neil Armstrong <neil.armstrong@linaro.org>,
        Robert Foss <robert.foss@linaro.org>,
        Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
        Jonas Karlman <jonas@kwiboo.se>,
        Jernej Skrabec <jernej.skrabec@gmail.com>,
        David Airlie <airlied@gmail.com>,
        Daniel Vetter <daniel@ffwll.ch>
Cc:     bliang@analogixsemi.com, hsinyi@chromium.org,
        Xin Ji <xji@analogixsemi.com>, dri-devel@lists.freedesktop.org,
        linux-kernel@vger.kernel.org
Subject: [PATCH] drm/bridge: anx7625: keep last configure timing
Date:   Fri,  9 Dec 2022 11:04:18 +0800
Message-Id: <20221209030418.713935-1-xji@analogixsemi.com>
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?FBAzVNP2d2tI87A6vnGCfxjNSFNcB/Am9GiLcPvkTm+QmhJ1YX9aIUJoBTpZ?=
 =?us-ascii?Q?4VDkfEAr4b+SA5Sl7sQtKG6YA+xjcATWJOkg0VDTjo3I5tY+vc2QjiBNDbiZ?=
 =?us-ascii?Q?2zASWpv60cHflqBlVTs5+4rf8UKPX/n2Eh+I9MeBGP/7tiuluikjPZIr1IvZ?=
 =?us-ascii?Q?Wt6juYlHYYalzAjGTWutY/0qQncFxGoUIEBnshJOWKjCgnq/mlPIegksL9FV?=
 =?us-ascii?Q?v9SWZIunlblvUFIkGm1TNFqZ/eKXo8nV+UcGqcU8NpfpSTAbr/23y9MGeoVK?=
 =?us-ascii?Q?pMWQZPdhbbWjyEzII3wbQ+a+H0L9AWc1XofpVM5OM/IsMpW1KohPxd4OmHkT?=
 =?us-ascii?Q?7XdcXDyRHhHfvpx6qMndYrpnJEz5ti977IMvZWhk5eK9RUQdeLyCT00KFgUP?=
 =?us-ascii?Q?ZxrodeiS960uyVDIXeDOV3G0EC+dqfIyyCdzN3tMjHbPonUlekL1nyrhxAl9?=
 =?us-ascii?Q?Tc4R9KPScCtOpcHPJoGLsC11QoDT2KiUUcuVCft5SvBVDap9hZvtVBrMFqLI?=
 =?us-ascii?Q?Pc+ztIWsgKf0jobKSxa+KmrWwGVT7+qvX+fCxGA7UjqIs7VFkdxieVGKMDdq?=
 =?us-ascii?Q?5pI1SFriItNdDxdH4ChdfCuSCIKIMbqX6G5XkGiFbQTWR5dKxNtgnos5qx5b?=
 =?us-ascii?Q?BXaNjB1RMvZMpK290qY9aBqDXhSuOEbsGPAthki6+ZEJzQ/mIUXHGNxPtBZk?=
 =?us-ascii?Q?fIoI8cGcCFRrc/1M1KjfkfkA0Yd9XkTgpnj5f/OSkiA9LHU2GePFIfarREQy?=
 =?us-ascii?Q?gFExeHDOOH1Ei5HEPXufgt3Y1C/JP5sivmSNDQG2bY3j3xidFr4YApK3sZEy?=
 =?us-ascii?Q?TshPg8OUxd5qQqvNg6+LkJhNfgJJH6yNtuPeb0MeyMXTyKgo6XBFU1jk2HfX?=
 =?us-ascii?Q?rP+tXa7+AST+dbkHsqg02blaX79l1SUjQGjcx8vcVIwCvXO6EcXwMlAZOyIt?=
 =?us-ascii?Q?Eujof0GFT7txD0s+NKhvKjnG8pMFA+Kt6YS1XgNt7sAHoJrHZxwcq9HYmxie?=
 =?us-ascii?Q?xZKIRlpABjJii0LkXdSuMMC3k4V8YPwZHsyUzxPR8wVeqSyGlOKuaf2CAcBN?=
 =?us-ascii?Q?XBr1Ic3Fh9ELn8hpIet83tkSNEZlWxeZcboDzBuMazhegu4Jvno3xNVNZj/N?=
 =?us-ascii?Q?W9Xdz8wjFrI+wHvX78HjpN4VgckGhQttSUIfLGNZ9SR5asBMiB384WcjwG6m?=
 =?us-ascii?Q?VdwIv2kLn5/dcB6txudFTP8f7jv3D2SaYP3u+BjVQBuM3202v0Y72UhEn2de?=
 =?us-ascii?Q?pQZMCiiY2BTo5lqmEJrE8o3o/03VAPt6W0T5U+a4MpB3kRqGvRiVChjdkz4M?=
 =?us-ascii?Q?cl5K3fYmsjN2IoI1UlRr4ddgce0I9nIBg3fivuoNmcFfmHRjyenO2KVp56Gt?=
 =?us-ascii?Q?SNlUgGWNvbj8CCbTVPQVVC2LSv6cQUXnnklc5XI75hY4Bezb+jeIi2a8BT0R?=
 =?us-ascii?Q?mid4pN5ac+pha11kynQ2lFLkIHBLXXRW6LskJBw9JsRq1kJ55zHzyu2jbxYc?=
 =?us-ascii?Q?zfkpddilfnGYvwXX/hseUHr4U2Tp6voGJrZM0ukY8YGgIlXORo9JnEYiL5Am?=
 =?us-ascii?Q?WfwFYU4lYMfiMBU4q/eZs7H1KmFXWX36PASzrNxD?=
X-OriginatorOrg: analogixsemi.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 8003dbc1-03d6-4cb6-3023-08dad9923246
X-MS-Exchange-CrossTenant-AuthSource: BY5PR04MB6739.namprd04.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Dec 2022 03:05:15.9822
 (UTC)
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-CrossTenant-Id: b099b0b4-f26c-4cf5-9a0f-d5be9acab205
X-MS-Exchange-CrossTenant-MailboxType: HOSTED
X-MS-Exchange-CrossTenant-UserPrincipalName: /3VDOa/7Lzo54/aP1Veg28GqiPaPA2lQ+5gKBr3ZSNNI1OFYrZJPu6SrBdprRjTK5sMLhBThXvoT2YWOV4VZ2Q==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR0401MB3626
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED,
        DKIM_VALID,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS
        autolearn=ham autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

Sometimes kernel may resume back quickly after suspend,
and DRM not call .mode_set() to re-config
display timing before calling .atomic_enable(), bridge
driver with this patch to keep last configure timing.

Signed-off-by: Xin Ji <xji@analogixsemi.com>
---
 drivers/gpu/drm/bridge/analogix/anx7625.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
index b0ff1ecb80a5..eb9116503b63 100644
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -1403,7 +1403,6 @@ static void anx7625_stop_dp_work(struct anx7625_data *ctx)
 {
 	ctx->hpd_status = 0;
 	ctx->hpd_high_cnt = 0;
-	ctx->display_timing_valid = 0;
 }
 
 static void anx7625_start_dp_work(struct anx7625_data *ctx)
-- 
2.25.1