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Sun, 28 Aug 2022 12:23:14 +0200 From: Klaus Ebbe Grue To: "nouveau@lists.freedesktop.org" Thread-Topic: Patch to TroubleShooting.html Thread-Index: AQHYusWQNyW5Hsp4QUCOjnVYKCB58Q== Date: Sun, 28 Aug 2022 10:23:14 +0000 Message-ID: <615912a3d56e4330923d9b42802e8b09@di.ku.dk> Accept-Language: da-DK, en-US Content-Language: da-DK X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.78.10.24] Content-Type: multipart/alternative; boundary="_000_615912a3d56e4330923d9b42802e8b09dikudk_" MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 9bd87323-c996-4b08-377b-08da88df522f X-MS-TrafficTypeDiagnostic: DB7PR04MB4330:EE_ X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:192.38.125.140; 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Nouveau Whoever is in charge of the web-pages, could I persuade you to make a minor= update of https://nouveau.freedesktop.org/TroubleShooting.html It says (among others) One option is to provide a custom EDID. You can do this by adding drm_kms_h= elper.edid_firmware=3DVGA-1:edid/your_edid.bin to the kernel command line. But drm_kms_helper.edid_firmware is deprecated. Furthermore, there is no me= ntion that the custom edid should be placed in /lib/firmware. And now we ar= e at it, one can supply more than one edid. So I would suggest to change th= e above to eg One option is to provide a custom EDID. You can do this by creating the dir= ectory /lib/firmware/edid (if it does not exist) and placing your custom ed= id file(s) there. Then add drm.edid_firmware=3Dconnector1:edid/your_edid_1.= bin,connector2:edid/your_edid_2.bin,... to the kernel command line. That wi= ll make the system use your_edid_1 for whatever is attached to connector1 a= nd so on. As an example, drm.edid_firmware=3DDP-1:edid/foo.bin will use /li= b/firmware/edid/foo.bin for whatever is attached to DisplayPort 1. Cheers, Klaus --_000_615912a3d56e4330923d9b42802e8b09dikudk_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Hi Nouveau

Whoever is in charge of the web-pages, could I persuade you to make a = minor update of


It says (among others)

One option is to provide a custom EDID. You can do this by adding drm_kms_helper.edid_firmware=3DVGA-1:edid/your_edid.bin to the ker= nel command line.

But drm_kms_helper.edid_firmware is deprecated. Furthermore, there is = no mention that the custom edid should be placed in /lib/firmware. And now = we are at it, one can supply more than one edid. So I would suggest to chan= ge the above to eg


One option is to provide a custom EDID. You can do this by creating the = directory /lib/firmware/edid (if it does not exist) and placing your custom= edid file(s) there. Then add drm.edid_firmware=3Dconnector1:edid/your_edid= _1.bin,connector2:edid/your_edid_2.bin,... to the kernel command line. That will make the system use your_edid_1 for = whatever is attached to connector1 and so on. As an example, drm.edid_firmware=3DDP-1:edid/foo.bin will use /lib/firmware/e= did/foo.bin for whatever is attached to DisplayPort 1.


Cheers,

Klaus


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