[ltp] Thinkpad T43 w/ ATI x300

noc ops linux-thinkpad@linux-thinkpad.org
Mon, 06 Mar 2006 12:43:06 -0800


Alex Deucher wrote:
> On 3/6/06, noc ops <aptgetd@gmail.com> wrote:
> 
>>Alex Deucher wrote:
>>
>>>On 3/6/06, noc ops <aptgetd@gmail.com> wrote:
>>>
>>>
>>>>Looking for some feedback.
>>>>
>>>>Thinkpad that I have (T43) is currently setup for 1400x1050 with a
>>>>refresh rate of 50hz and a max depth rate of 24. See below xorg.conf
>>>>
>>>>I was hoping to lower the resolution (say 1024x768) w/ a depth rate of
>>>>32. Going to 1024x768 w/ refresh rate of 50 hz is simply sucky and blurry .
>>>>
>>>>Has anyone w/ T43 done that? If so, any insight will be appreciated.
>>>>
>>>>I'm guessing it has to do something w/ modeline?
>>>>
>>>
>>>
>>>What exactly are you asking?  Assuming you are using an LVDS panel why
>>>are you using a refresh rate of 50 Hz?
>>
>>--------------------
>>That's what ubuntu 5.10 configured my thinkpad (t43) for, even if I
>>install the new ati driver. Is this not correct? </head scratching/>
>>
> 
> Perhaps your panel operates at 50 Hz.  can you post your xorg log?
-------------------------
# /etc/X11/xorg.conf (xorg X Window System server configuration file)
#
# This file was generated by dexconf, the Debian X Configuration tool, using
# values from the debconf database.
#
# Edit this file with caution, and see the /etc/X11/xorg.conf manual page.
# (Type "man /etc/X11/xorg.conf" at the shell prompt.)
#
# This file is automatically updated on xserver-xorg package upgrades *only*
# if it has not been modified since the last upgrade of the xserver-xorg
# package.
#
# If you have edited this file but would like it to be automatically updated
# again, run the following commands:
#
#   cp /etc/X11/xorg.conf /etc/X11/xorg.conf.custom
#   sudo sh -c 'md5sum /etc/X11/xorg.conf
>/var/lib/xfree86/xorg.conf.md5sum'
#   sudo dpkg-reconfigure xserver-xorg

Section "Files"
	FontPath	"unix/:7100"		# local font server
	# if the local font server has problems, we can fall back on these
	FontPath	"/usr/lib/X11/fonts/misc"
	FontPath	"/usr/lib/X11/fonts/cyrillic"
	FontPath	"/usr/lib/X11/fonts/100dpi/:unscaled"
	FontPath	"/usr/lib/X11/fonts/75dpi/:unscaled"
	FontPath	"/usr/lib/X11/fonts/Type1"
	FontPath	"/usr/lib/X11/fonts/CID"
	FontPath	"/usr/lib/X11/fonts/100dpi"
	FontPath	"/usr/lib/X11/fonts/75dpi"
        # paths to defoma fonts
	FontPath      "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
	FontPath	"/var/lib/defoma/x-ttcidfont-conf.d/dirs/CID"
EndSection

Section "Module"
	Load	"bitmap"
	Load	"dbe"
	Load	"ddc"
	Load	"dri"
	Load	"extmod"
	Load	"freetype"
	Load	"glx"
	Load	"int10"
	Load	"record"
	Load	"type1"
	Load	"vbe"
EndSection

Section "InputDevice"
	Identifier	"Generic Keyboard"
	Driver		"keyboard"
	Option		"CoreKeyboard"
	Option		"XkbRules"	"xorg"
	Option		"XkbModel"	"pc104"
	Option		"XkbLayout"	"us"
EndSection

Section "InputDevice"
	Identifier	"Configured Mouse"
	Driver		"mouse"
	Option		"CorePointer"
	Option		"Device"		"/dev/input/mice"
	Option		"Protocol"		"ImPS/2"
	Option		"Emulate3Buttons"	"true"
	Option		"ZAxisMapping"		"4 5"
EndSection
Section "InputDevice"
        Identifier      "Synaptics Touchpad"
        Driver          "synaptics"
        Option          "SendCoreEvents"        "true"
        Option          "Device"                "/dev/psaux"
        Option          "Protocol"              "auto-dev"
        Option		"HorizScrollDelta"	"0"
EndSection

Section "Device"
	Identifier	"ATI Technologies, Inc. Radeon Mobility M300 (M22)"
	Driver		"ati"
	BusID		"PCI:1:0:0"
EndSection

Section "Monitor"
	Identifier	"Generic Monitor"
	Option		"DPMS"
	HorizSync	30-67
	VertRefresh	50-75
	DisplaySize	370	277
EndSection

Section "Screen"
	Identifier	"Default Screen"
	Device		"ATI Technologies, Inc. Radeon Mobility M300 (M22)"
	Monitor		"Generic Monitor"
	DefaultDepth	24
	SubSection "Display"
		Depth		1
		Modes		"1400x1050"
	EndSubSection
	SubSection "Display"
		Depth		4
		Modes		"1400x1050"
	EndSubSection
	SubSection "Display"
		Depth		8
		Modes		"1400x1050"
	EndSubSection
	SubSection "Display"
		Depth		15
		Modes		"1400x1050"
	EndSubSection
	SubSection "Display"
		Depth		16
		Modes		"1400x1050"
	EndSubSection
	SubSection "Display"
		Depth		24
		Modes		"1400x1050"
	EndSubSection
EndSection

Section "ServerLayout"
	Identifier	"Default Layout"
	Screen		"Default Screen"
	InputDevice	"Generic Keyboard"
	InputDevice	"Configured Mouse"
	InputDevice	"Synaptics Touchpad"
EndSection

Section "DRI"
	Mode	0666
EndSection


> 
> 
>>Also, depth 24 is probably what you want.  The radeon driver does not
>>support depth 32.
>>
>>>Internally the hardware uses 4 bytes per pixel (32 bits) for depth 24,
>>>so perhaps that is what is confusing you.
>>
>>---------------------
>>hmm...going to a lower resolution other than 1400x1050 gives awefull
>>resolution.
> 
> 
> The panel's native mode is 1400x1050.  any smaller modes use the
> radeon's RMX unit to scale the image to the panel's native mode. Any
> mode other than 1400x1050 will look crappy.
-------------
Coming from 1024x768 world, 1400x1050 gets tiny :-)



regards,
/virendra


> 
> Alex
> 
> 
>>
>>
>>regards,
>>/virendra
>>
>>
>>
>>
>>>Alex
>>>
>>>
>>>
>>>>regards,
>>>>/virendra
>>>>
>>>>
>>>>-> xorg.conf
>>>>---
>>>>Section "Monitor"
>>>>       Identifier   "Generic Monitor"
>>>>       HorizSync    30.0-97.0
>>>>       VertRefresh  50.0-160.0
>>>>       Option      "DPMS"
>>>>       DisplaySize  370.4 277.8
>>>>
>>>>
>>>>Section "Screen"
>>>>       Identifier "Default Screen"
>>>>       Device     "ATI Technologies, Inc. Radeon Mobility M300 (M22)"
>>>>       Monitor    "Generic Monitor"
>>>>       DefaultDepth     24
>>>>       SubSection "Display"
>>>>               Depth     1
>>>>               Modes    "1400x1050"
>>>>       EndSubSection
>>>>       SubSection "Display"
>>>>               Depth     4
>>>>               Modes    "1400x1050"
>>>>       EndSubSection
>>>>       SubSection "Display"
>>>>               Depth     8
>>>>               Modes    "1400x1050"
>>>>       EndSubSection
>>>>       SubSection "Display"
>>>>               Depth     15
>>>>               Modes    "1400x1050"
>>>>       EndSubSection
>>>>       SubSection "Display"
>>>>               Depth     16
>>>>               Modes    "1400x1050"
>>>>       EndSubSection
>>>>       SubSection "Display"
>>>>               Depth     24
>>>>               Modes    "1400x1050"
>>>>       EndSubSection
>>>>EndSection