Re: framebuffer geometry changed between kernel 4.5.0-1 and 4.5.0-2
On 06/20/2016 04:44 AM, Daniel A wrote:
> Up until kernel 4.5.0-1 my console had the following geometry:
...
> mode "1920x1200"
> geometry 1920 1200 1920 1200 32
...
> Since kernel 4.5.0-2 it changed to this:
>
...
> mode "1024x768"
> geometry 1024 768 1920 1200 32
I also compared the Xorg.0.log and it turns out that my DisplayPort
started claiming that something is connected to it (I have one monitor
connected to DVI port):
(II) RADEON(0): EDID for output DisplayPort-0
+(II) RADEON(0): Printing probed modes for output DisplayPort-0
+(II) RADEON(0): Modeline "1024x768"x60.0 65.00 1024 1048 1184 1344 768 771 777 806 -hsync -vsync (48.4 kHz e)
+(II) RADEON(0): Modeline "800x600"x60.3 40.00 800 840 968 1056 600 601 605 628 +hsync +vsync (37.9 kHz e)
+(II) RADEON(0): Modeline "800x600"x56.2 36.00 800 824 896 1024 600 601 603 625 +hsync +vsync (35.2 kHz e)
+(II) RADEON(0): Modeline "848x480"x60.0 33.75 848 864 976 1088 480 486 494 517 +hsync +vsync (31.0 kHz e)
+(II) RADEON(0): Modeline "640x480"x59.9 25.18 640 656 752 800 480 490 492 525 -hsync -vsync (31.5 kHz e)
(II) RADEON(0): EDID for output HDMI-0
(II) RADEON(0): EDID for output DVI-0
...
-(II) RADEON(0): Output DisplayPort-0 disconnected
+(II) RADEON(0): Output DisplayPort-0 connected
(II) RADEON(0): Output HDMI-0 disconnected
(II) RADEON(0): Output DVI-0 connected
-(II) RADEON(0): Using exact sizes for initial modes
-(II) RADEON(0): Output DVI-0 using initial mode 1920x1200 +0+0
+(II) RADEON(0): Using fuzzy aspect match for initial modes
+(II) RADEON(0): Output DisplayPort-0 using initial mode 1024x768 +0+0
+(II) RADEON(0): Output DVI-0 using initial mode 1024x768 +0+0
(II) RADEON(0): Using default gamma of (1.0, 1.0, 1.0) unless otherwise stated.
...
-(II) RADEON(0): Setting screen physical size to 508 x 317
+(II) RADEON(0): Setting screen physical size to 270 x 203
When I explicitly disable DisplayPort by adding video=DP-1:d to kernel
options, everything goes back to normal.
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