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Mon, 16 Mar 2026 13:39:05 -0500 Received: from [10.4.13.226] (10.180.168.240) by satlexmb07.amd.com (10.181.42.216) with Microsoft SMTP Server id 15.2.2562.17 via Frontend Transport; Mon, 16 Mar 2026 13:39:04 -0500 Message-ID: <7a148774-3364-4ce2-9f55-2e77889bfb53@amd.com> Date: Mon, 16 Mar 2026 14:39:04 -0400 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/1] drm/amd/display: complete cursor vblank events immediately To: Michele Palazzi CC: , , , , , =?UTF-8?Q?Michel_D=C3=A4nzer?= , Shengyu Qu References: <20260217191632.1243826-1-sysdadmin@m1k.cloud> <84316e45-f596-49c4-b3e7-cdfc7a19a519@m1k.cloud> <2be6dc58-e2dc-4733-aa25-26329cd1d2d3@amd.com> <49434297-d6e8-4eaf-b4c7-ce14134d7869@amd.com> <96f4df42-2675-4bda-b0f2-753b09f7a80d@m1k.cloud> <6e1f5a30-82c3-4872-add3-7d46a266c37c@m1k.cloud> <6ac9fc7f-0493-446f-97e8-760a54e209d8@amd.com> <7fdc3c4f-c321-48f5-93f9-17a1a8ded9f8@m1k.cloud> <1356e93b-af76-47f3-afc5-29535a9518bb@amd.com> <51219a7b-eeec-43f2-a335-06710809415c@m1k.cloud> Content-Language: en-US From: Leo Li In-Reply-To: <51219a7b-eeec-43f2-a335-06710809415c@m1k.cloud> Content-Type: text/plain; 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Ip=[165.204.84.17]; Helo=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DS3PEPF000099E0.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB9424 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" On 2026-03-16 11:17, Michele Palazzi wrote: >> took me a while to get the umr output after the timeout (taken within 1 second from the flip timeout) >> >> https://pastebin.com/dz4tkfDV >> >> > > actually there were 3 dumps in rapid succession, here you have all 3 for completeness > > 16 mar 15.33 umr_dump_20260316_153356.txt https://pastebin.com/LvYrjw5y > 16 mar 15.35 umr_dump_20260316_153540.txt https://pastebin.com/SmSvCXva > 16 mar 15.35 umr_dump_20260316_153550.txt https://pastebin.com/BbsWbbTN Thanks for the dumps, looks like interrupts were disabled, which is surprising given drm_vblank_disable_and_save() was not called. OTG0 seems to be active as the FRAME_COUNT is incrementing. Does force-enabling the VSTARTUP interrupt on OTG0 revive the hanging display once the timeout happens? sudo umr --instance 1 -wb '*.dcn410.regOTG0_OTG_GLOBAL_SYNC_STATUS.VSTARTUP_INT_EN' 1 - Leo