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Bug#478196: G35 via TMDS (HDMI=>DVI): wrong resolution

Package: xserver-xorg-video-intel
Version: 2:2.1.0-2

Environment: MB P5E-VM HDMI with embedded Intel G35 video, Q9300, 4GB
RAM, HDMI-to-DVI converter (came with the motherboard), Philips 200CW
20.1" LCD (optimal resolution 1680x1050), Debian testing (Lenny), uname
-a : "Linux zen 2.6.24-1-686 #1 SMP Sat Apr 19 00:37:55 UTC 2008 i686
GNU/Linux".

Problem: When monitor is connected using digital DVI cable (via supplied
HDMI-to-DVI adapter) resolution is 1680x1052 (according to monitor's
OSD; attached: xorg.conf, Xorg.0.log.gz). Image quality suffers,
starting X only (`X', not `startx') gives A LOT of moire. With a regular
analog cable resolution is correct. With TMDS Modelines seems to have no
effect whatsoever, if DDC is disabled HorizSync and VertRefresh seems to
be ignored and resolution is capped at 1280x768 (attached:
Xorg-noddc.0.log.gz). Under Vista display works correctly, so it is
probably not a hardware problem. More information can be supplied upon
request.

# 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 xorg.conf manual page.
# (Type "man 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 command:
#   sudo dpkg-reconfigure -phigh xserver-xorg

Section "Files"
EndSection

Section "InputDevice"
	Identifier	"Generic Keyboard"
	Driver		"kbd"
	Option		"CoreKeyboard"
	Option		"XkbRules"	"xorg"
	Option		"XkbModel"	"pc105"
	Option		"XkbLayout"	"us,bg"
	Option		"XkbVariant"	",phonetic"
	Option		"XkbOptions"	"grp:alt_shift_toggle"
EndSection

Section "InputDevice"
	Identifier	"Configured Mouse"
	Driver		"mouse"
	Option		"CorePointer"
	Option		"Device"		"/dev/input/mice"
	Option		"Protocol"		"ImPS/2"
	Option		"Emulate3Buttons"	"true"
EndSection

Section "Device"
	Identifier	"Intel 82G35"
	Driver		"intel"
	BusID		"PCI:0:2:0"
#	Option		"DDC" "false"
EndSection

Section "Monitor"
	VendorName	"Philips"
	ModelName	"200CW"
	Identifier	"Philips 200C"
	Option		"DPMS"

	HorizSync	30-83
	VertRefresh	56-76
	# Video dot rate 165MHz
	DisplaySize	430 270

	# 143 MHz, 66.3 kHz, 60.0 Hz
	Modeline "1680x1050_60" 142.68 1680 1736 1816 2152 1050 1052 1055 1105

	# 140 MHz, 65.2 kHz, 59.0 Hz
	Modeline "1680x1050_59" 140.30 1680 1736 1816 2152 1050 1052 1055 1105

	Option		"PreferredMode" "1680x1050_60"
EndSection

Section "Screen"
	Identifier	"Default Screen"
	Device		"Intel 82G35"
	Monitor		"Philips 200C"
	DefaultDepth	24
	SubSection "Display"
		Modes		"1680x1050"
	EndSubSection
EndSection

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

00:00.0 Host bridge: Intel Corporation 82G35 Express DRAM Controller (rev 03)
00:02.0 VGA compatible controller: Intel Corporation 82G35 Express Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel Corporation 82G35 Express Integrated Graphics Controller (rev 03)
00:1a.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 02)
00:1a.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 02)
00:1a.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 02)
00:1a.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 02)
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 02)
00:1c.4 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 5 (rev 02)
00:1c.5 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 6 (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 02)
00:1d.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 92)
00:1f.0 ISA bridge: Intel Corporation 82801IR (ICH9R) LPC Interface Controller (rev 02)
00:1f.2 SATA controller: Intel Corporation 82801IR/IO/IH (ICH9R/DO/DH) 6 port SATA AHCI Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 02)
01:00.0 Ethernet controller: Attansic Technology Corp. L1 Gigabit Ethernet Adapter (rev b0)
02:00.0 IDE interface: JMicron Technologies, Inc. JMB368 IDE controller
04:03.0 FireWire (IEEE 1394): VIA Technologies, Inc. IEEE 1394 Host Controller (rev c0)

Attachment: Xorg.0.log.gz
Description: GNU Zip compressed data

Attachment: Xorg-noddc.0.log.gz
Description: GNU Zip compressed data

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