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Mon, 2 Feb 2026 23:49:34 +0000 Message-ID: <9e61174d-f4df-4588-b105-e0c791181917@intel.com> Date: Mon, 2 Feb 2026 15:49:35 -0800 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] drm/mgag200: sleep instead of busy wait for BMC To: Jocelyn Falempe , Thomas Zimmermann , Dave Airlie , Maarten Lankhorst , Maxime Ripard , Simona Vetter CC: Pasi Vaananen , , , References: <20260128-jk-mgag200-fix-bad-udelay-v1-1-db02e04c343d@intel.com> <338ff7cf-1c7d-48da-b1b8-37aac440fed0@suse.de> <88f33e4e-5d0e-4520-a399-5be2901a3281@intel.com> <27af79a8-ee84-4845-a737-82d3883536e7@redhat.com> <8d238204-b0f6-48a7-9afc-480097c32a23@suse.de> <770785c9-266b-4ebb-a0a1-f5e615e45855@redhat.com> <4272ae94-902e-40dc-86ce-62b642fa9656@suse.de> <85edc1c4-1985-48d0-9ece-50a5c70e1752@redhat.com> Content-Language: en-US From: Jacob Keller In-Reply-To: <85edc1c4-1985-48d0-9ece-50a5c70e1752@redhat.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: MW4PR04CA0381.namprd04.prod.outlook.com (2603:10b6:303:81::26) To CO1PR11MB5089.namprd11.prod.outlook.com (2603:10b6:303:9b::16) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1PR11MB5089:EE_|IA3PR11MB9302:EE_ X-MS-Office365-Filtering-Correlation-Id: b1fcffe9-0a4f-4dee-5a20-08de62b5b7cb X-LD-Processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|7416014|376014|1800799024; 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Otherwise, we might miss the blank. >> >> Honestly, I'd just take the proposed patch as it is and not bother any >> further. I think this is the correct fix unless we can figure out the >> exact meaning of these bits and the BMC. > > I'm fine with that too. At least on my machine, this waits for a random > amount of time, and that looks to work. Sounds good. I'll send a v2 with an updated description to explain the changes to the condition logic and better explaining the problem as a whole. That should be out later today. Thanks everyone! -Jake