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[217.62.96.139]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-615a8f15d9fsm7008987a12.17.2025.08.04.08.52.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 04 Aug 2025 08:52:21 -0700 (PDT) Message-ID: <6020c152-9de5-40cc-aedf-7024df45d27c@gmail.com> Date: Mon, 4 Aug 2025 17:53:56 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Issue or bug concerning DRRS on old i7-4980HQ To: Jani Nikula , Rodrigo Vivi , =?UTF-8?B?VmlsbGUgU3lyasOkbMOk?= , Arun R Murthy Cc: intel-gfx@lists.freedesktop.org References: <3aebffd3-b3b7-4c3c-a7ac-816965d0204d@gmail.com> <77f3386d-756b-4cca-b317-1b3c5ad725fb@gmail.com> <9436a617-ae53-4702-9ac3-27d9c1267626@gmail.com> <57adde32e4fa7fc4c74d8cba39249af1399de609@intel.com> Content-Language: nl, en-US From: =?UTF-8?Q?Ren=C3=A9_Herman?= In-Reply-To: <57adde32e4fa7fc4c74d8cba39249af1399de609@intel.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On 04-08-2025 17:42, Jani Nikula wrote: > On Mon, 04 Aug 2025, René Herman wrote: > All I'm saying is that any fix must not depend on the user having to use > a debugfs or a module parameter. It needs to work out of the box. Makes sense to me. Now, while repeating me being clueless about this code and even technology outright, I've wondered if the thing to do might even just be refusing to enable/use DRRS on this old Haswell-era hardware Probably not a theoretically/technically sound/interesting plan -- but it sure would solve things for both me/us and the Ubuntu/freedesktop.org bug-reporter, and frankly, I don't think anyone on a system like that in 2025 would know or care in the first place. They just very much mind the flickering... Maybe stupid; maybe regresses a ton of Haswell-era systems on which it does work fine. No idea... Regards, Rene