[Bug 61861] [snb regression] ThinkPad T420 + kernel 3.8.x + external VGA display == wrong resolution

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=61861

--- Comment #10 from Pedro Ribeiro <eusou15 at yahoo.com> ---
Hi,

I have a similar problem in my Lenovo T400 (Core 2 Duo, GMA4500HD).

Just upgraded from 3.7.2 to 3.8.3 and the laptop LCD monitor resolution is
incorrect after booting up. Here is an except from Xorg.log:

[    42.245] (II) intel(0): Printing probed modes for output LVDS1
[    42.245] (II) intel(0): Modeline "1280x800"x60.0   82.06  1280 1332 1396
1672  800 803 806 818 -hsync -vsync (49.1 kHz eP)
[    42.245] (II) intel(0): Modeline "1280x800"x49.0   57.05  1280 1332 1396
1397  800 803 806 834 -hsync -vsync (40.8 kHz e)
[    42.245] (II) intel(0): Modeline "1024x768"x60.0   65.00  1024 1048 1184
1344  768 771 777 806 -hsync -vsync (48.4 kHz d)
[    42.245] (II) intel(0): Modeline "800x600"x60.3   40.00  800 840 968 1056 
600 601 605 628 +hsync +vsync (37.9 kHz d)
[    42.245] (II) intel(0): Modeline "800x600"x56.2   36.00  800 824 896 1024 
600 601 603 625 +hsync +vsync (35.2 kHz d)
[    42.245] (II) intel(0): Modeline "640x480"x59.9   25.18  640 656 752 800 
480 490 492 525 -hsync -vsync (31.5 kHz d)
[    42.261] (II) intel(0): EDID for output VGA1
[    42.261] (II) intel(0): Printing probed modes for output VGA1
[    42.261] (II) intel(0): Modeline "1024x768"x60.0   65.00  1024 1048 1184
1344  768 771 777 806 -hsync -vsync (48.4 kHz e)
[    42.261] (II) intel(0): Modeline "800x600"x60.3   40.00  800 840 968 1056 
600 601 605 628 +hsync +vsync (37.9 kHz e)
[    42.261] (II) intel(0): Modeline "800x600"x56.2   36.00  800 824 896 1024 
600 601 603 625 +hsync +vsync (35.2 kHz e)
[    42.261] (II) intel(0): Modeline "848x480"x60.0   33.75  848 864 976 1088 
480 486 494 517 +hsync +vsync (31.0 kHz e)
[    42.261] (II) intel(0): Modeline "640x480"x59.9   25.18  640 656 752 800 
480 489 492 525 -hsync -vsync (31.5 kHz e)
[    42.261] (II) intel(0): EDID for output HDMI1
[    42.261] (II) intel(0): EDID for output DP1
[    42.261] (II) intel(0): EDID for output HDMI2
[    42.261] (II) intel(0): EDID for output DP2
[    42.261] (II) intel(0): EDID for output DP3
[    42.261] (II) intel(0): Output LVDS1 connected
[    42.261] (II) intel(0): Output VGA1 connected
[    42.261] (II) intel(0): Output HDMI1 disconnected
[    42.261] (II) intel(0): Output DP1 disconnected
[    42.261] (II) intel(0): Output HDMI2 disconnected
[    42.261] (II) intel(0): Output DP2 disconnected
[    42.261] (II) intel(0): Output DP3 disconnected
[    42.261] (II) intel(0): Using fuzzy aspect match for initial modes
[    42.261] (II) intel(0): Output LVDS1 using initial mode 1024x768
[    42.261] (II) intel(0): Output VGA1 using initial mode 1024x768
[    42.261] (II) intel(0): Using default gamma of (1.0, 1.0, 1.0) unless
otherwise stated.
[    42.261] (II) intel(0): Kernel page flipping support detected, enabling
[    42.261] (**) intel(0): Display dimensions: (300, 190) mm
[    42.261] (**) intel(0): DPI set to (86, 102)

Please let me know if you need more details.

Regards,
Pedro

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