Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755492Ab2HAPfv (ORCPT ); Wed, 1 Aug 2012 11:35:51 -0400 Received: from casper.infradead.org ([85.118.1.10]:44342 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755226Ab2HAPfu (ORCPT ); Wed, 1 Aug 2012 11:35:50 -0400 Message-ID: <1343835344.26866.150.camel@shinybook.infradead.org> Subject: Re: [PATCH] apple-gmux: Restore switch registers on suspend/resume From: David Woodhouse To: Seth Forshee Cc: Matthew Garrett , Andreas Heider , Arun Raghavan , linux-kernel@vger.kernel.org, airlied@redhat.com Date: Wed, 01 Aug 2012 16:35:44 +0100 In-Reply-To: <20120731151856.GA19979@thinkpad-t410> References: <1341891593-6485-1-git-send-email-arun.raghavan@collabora.co.uk> <20120710160555.GA31562@srcf.ucam.org> <20120710163516.GE10194@thinkpad-t410> <4FFCC7FB.1090609@meetr.de> <1343522547.2488.12.camel@shinybook.infradead.org> <1343524730.1962.5.camel@shinybook.infradead.org> <20120729193953.GA25132@srcf.ucam.org> <1343595171.2511.1.camel@shinybook.infradead.org> <20120729205859.GA25819@srcf.ucam.org> <20120731151856.GA19979@thinkpad-t410> Content-Type: multipart/signed; micalg="sha1"; protocol="application/x-pkcs7-signature"; boundary="=-BvJQ4+YlRXoRgo/I7FJL" X-Mailer: Evolution 3.4.3 (3.4.3-2.fc17) Mime-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 9677 Lines: 146 --=-BvJQ4+YlRXoRgo/I7FJL Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, 2012-07-31 at 10:18 -0500, Seth Forshee wrote: >=20 > All of this is working to the extent that I can boot with the Radeon > card active, switch over to the Intel card, and get the EDID for the > internal panel and an external monitor (although oddly on an HDMI > connector, no on the DP like I expected). Both screens are remaining > blank though. However I'm also getting blank screens if I mux over to > the Intel GPU from grub before loading the kernel, which used to work > for the LVDS panel at least.=20 Hm, when I was changing over to the external screen before boot, I could get the LVDS working but *not* an external VGA or DVI monitor (via the standard Apple adaptors). Should I expect that to work if I change the mux 'properly' at runtime? --=20 dwmw2 --=-BvJQ4+YlRXoRgo/I7FJL Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIUbjCCBjQw ggQcoAMCAQICAR4wDQYJKoZIhvcNAQEFBQAwfTELMAkGA1UEBhMCSUwxFjAUBgNVBAoTDVN0YXJ0 Q29tIEx0ZC4xKzApBgNVBAsTIlNlY3VyZSBEaWdpdGFsIENlcnRpZmljYXRlIFNpZ25pbmcxKTAn BgNVBAMTIFN0YXJ0Q29tIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MB4XDTA3MTAyNDIxMDE1NVoX DTE3MTAyNDIxMDE1NVowgYwxCzAJBgNVBAYTAklMMRYwFAYDVQQKEw1TdGFydENvbSBMdGQuMSsw KQYDVQQLEyJTZWN1cmUgRGlnaXRhbCBDZXJ0aWZpY2F0ZSBTaWduaW5nMTgwNgYDVQQDEy9TdGFy dENvbSBDbGFzcyAxIFByaW1hcnkgSW50ZXJtZWRpYXRlIENsaWVudCBDQTCCASIwDQYJKoZIhvcN AQEBBQADggEPADCCAQoCggEBAMcJg8zOLdgasSmkLhOrlr6KMoOMpohBllVHrdRvEg/q6r8jR+EK 75xCGhR8ToREoqe7zM9/UnC6TS2y9UKTpT1v7RSMzR0t6ndl0TWBuUr/UXBhPk+Kmy7bI4yW4urC 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