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Wed, 24 Apr 2024 03:54:15 -0500 From: Wayne Lin To: CC: , , , , , , , , , , Sung Joon Kim , Anthony Koo Subject: [PATCH 45/46] drm/amd/display: Disable seamless boot on 128b/132b encoding Date: Wed, 24 Apr 2024 16:49:30 +0800 Message-ID: <20240424084931.2656128-46-Wayne.Lin@amd.com> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20240424084931.2656128-1-Wayne.Lin@amd.com> References: <20240424084931.2656128-1-Wayne.Lin@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain Received-SPF: None (SATLEXMB03.amd.com: Wayne.Lin@amd.com does not designate permitted sender hosts) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MWH0EPF000971E7:EE_|LV3PR12MB9118:EE_ X-MS-Office365-Filtering-Correlation-Id: 49906dd1-5868-405c-0d46-08dc643c2224 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?g5Y4FDEGOdVTZU0UHNOXyLBk0HgMQCrzJ3dIviLNuKcXyfiIofgde9aA93Bl?= =?us-ascii?Q?fSrqTq0ZmujWMRzgB0yF5rCdg6bFea4oiLrJ04KVn8uehtW0zNyjOoz6chTT?= =?us-ascii?Q?rmNJUtMrQqHofnH9/KGzQnipQ1CRRTL5qvc3t1oH4UtOFrx+jGgs7AS/MCpZ?= =?us-ascii?Q?/b/IokFqx2um1orBgBMeQuGC43IR+dk+p8Yr7y1J0oEFk/55/cXbCQaYnxi2?= =?us-ascii?Q?tDxbN61S0hqfXAXVCZgkaqNi+d3Bx5/jFXOMWMOIME/UHpBWEPXEVUSBMae9?= =?us-ascii?Q?oLP4NNCVug+ia2hRnX7VJNTDb9oH55hgrzxzrOsKW2mT1Ub5PJNUl7GqgLgG?= =?us-ascii?Q?WYg8WIuZRld1tHUYxVizSKbp1GQ1M7+w0O38QZCEY0YYZOdd8EawZvu4ReFQ?= =?us-ascii?Q?I0JYWW4SJjvWR1K4wLrxr2sv8TODbSyGuKrxRAD6wlIbsdjmkr9lc6IU7gXp?= =?us-ascii?Q?0cjJK1PrmvJWWuBxUlGiw5NhPjj9WnNr3IVwRcJgWh5bAvjm4wpEHz85GmAY?= =?us-ascii?Q?HuL0l4ZKxRKP2AfDKamLzUJP0HzSKQw1WXa/ZCP1p8W13aCUtc/TPRudtcW9?= =?us-ascii?Q?bYM7odROpEtQw6Pq6SW5trZfayYM4K/yNgJG8f0cEVBaRvx5z5DsKM8d4Kvm?= =?us-ascii?Q?qzCC3PnkapjwpniY2PJH/W1DyUx6sIEdprRNw4UXTYUNubYq+ZUx8XR8Gkeq?= =?us-ascii?Q?7/waiWFTqKFTcYmj2ur+WKef1rgWWbXzhS+PioJvz3+3dOeTPbH498fSirP6?= =?us-ascii?Q?JnPaLe68+W1aFkfmmTo3WUQyK168lVMdcV4skCy8Ukwt+2jgD3K2aNvt3g5S?= =?us-ascii?Q?PDJhasCxiQfXAAN9cQ7XiYJ7g4z2Md1VMfNqZm3FW2cf0a2OomJShqzSiwzr?= =?us-ascii?Q?yo+oYzKQmYerKssVlUMp23TmU5LmqddJEDHV0VHbOqap6HClqiLLN3P3OXNf?= =?us-ascii?Q?zvHGWIi11uvJiZWjrxpFBd4zpJCj1IcC3wyh2ERjIo8PlfpHPmWkmAcTxwrC?= =?us-ascii?Q?zPSXjuXIS3d36NKVQ9f2jP2E+0FSXDa3O3PqpumPzh3tXEtVyqBKHMTC5evM?= =?us-ascii?Q?2YfKWk6T5lhCUa+76uewgfx7VYx/e3zsqrW3yHVY5aK40QYYJy1oTmqdrMqH?= =?us-ascii?Q?QrO6NaK5ICxQDQSXtf1PT6CQrcOJ1a/95+36TjvudATs//1ah2TSXxwkCZsS?= =?us-ascii?Q?owKkXNqRQj4hQ16J/5cnwtFnVeGu0xUWldgAJLjJXZ0HNysDz1h415fuo9Z0?= =?us-ascii?Q?hjToeozZryusXRPTWqceDVtNp1SKsqyXKx5jEKsqmgiCaSPwCTvAmafdCMdY?= =?us-ascii?Q?YzrmDolEHAs5LIett9PRkK66mBKketPIMlCwV9MELj4HITxlv9Wnxopig3wR?= =?us-ascii?Q?iWIuYWtlNBv5ATCbRIggP/fYO7v9?= X-Forefront-Antispam-Report: CIP:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB03.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230031)(376005)(1800799015)(82310400014)(36860700004); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Apr 2024 08:54:21.1964 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 49906dd1-5868-405c-0d46-08dc643c2224 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: MWH0EPF000971E7.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV3PR12MB9118 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" From: Sung Joon Kim [why] preOS will not support display mode programming and link training for UHBR rates. [how] If we detect a sink that's UHBR capable, disable seamless boot Reviewed-by: Anthony Koo Acked-by: Wayne Lin Signed-off-by: Sung Joon Kim --- drivers/gpu/drm/amd/display/dc/core/dc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index a8eb286ee4ff..9f56b2743f80 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1838,6 +1838,9 @@ bool dc_validate_boot_timing(const struct dc *dc, return false; } + if (link->dpcd_caps.channel_coding_cap.bits.DP_128b_132b_SUPPORTED) + return false; + if (dc->link_srv->edp_is_ilr_optimization_required(link, crtc_timing)) { DC_LOG_EVENT_LINK_TRAINING("Seamless boot disabled to optimize eDP link rate\n"); return false; -- 2.37.3