http://bugs.freedesktop.org/show_bug.cgi?id=26753
Summary: gtf modelines still not working as in the past.
Product: xorg
Version: git
Platform: x86 (IA32)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Driver/Radeon
AssignedTo: [email protected]
ReportedBy: [email protected]
QAContact: [email protected]
RV670 AGP running git ddx, xserver and drt kernel.
I noticed recently that a couple of gtf modelines that uses to work some time
ago (with UMS before KMS was about) do not behave the same now - both with UMS
and KMS.
I was hoping the recent ddx/drt commits would fix this, but they haven't. Both
before and after the changes, the option new_pll=0 or 1 has no effect.
The lines below are added with xrandr and used to give exactly 50 and 100Hz.
As the xrandr output shows they now give less - the 50Hz one has become out of
range for my CRT monitor and gives a blank screen.
# 1024x768 @ 100.00 Hz (GTF) hsync: 81.40 kHz; pclk: 113.31 MHz
Modeline "1024x768_100.00" 113.31 1024 1096 1208 1392 768 769 772 814
-HSync +Vsync
1024x768_100.00 (0x110) 113.0MHz -HSync +VSync *current
h: width 1024 start 1096 end 1208 total 1392 skew 0 clock 81.2KHz
v: height 768 start 769 end 772 total 814 clock 99.7Hz
# 1024x768 @ 50.00 Hz (GTF) hsync: 39.55 kHz; pclk: 51.89 MHz
Modeline "1024x768_50.00" 51.89 1024 1064 1168 1312 768 769 772 791
-HSync +Vsync
1024x768_50.00 (0x10f) 51.0MHz -HSync +VSync
h: width 1024 start 1064 end 1168 total 1312 skew 0 clock 38.9KHz
v: height 768 start 769 end 772 total 791 clock 49.1Hz
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