I believe this bug was fixed in savage driver 2.3.3 (Ubuntu 12.04).
** Changed in: xserver-xorg-video-savage (Ubuntu)
Status: Triaged = Fix Released
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Hello Tormod,
while looking at the code again, I start getting some evidence that the +7
offset addition really is related to panels with a horizontal hardware
resolution of 1400 pixels. I ran doxygen over some old versions of the savage
driver to dig into the history and possible changes to
After looking at it, I think the cast to float in the other code is
overkill, since the result also is an integer, and there is no
intermediate quotient, like in 3*(2/3) = 0. There are parentheses but
even without, multiplication and division goes from left to right so it
is like (3*2)/3 and
I have had a closer look, and can confirm the issue on my TwisterK
chipset. You should do the same changes in SavageDisplayVideoOld() which
is used for the MOBILE_TWISTER chipset series. After doing this, I could
confirm that the (extrapolated) patch fixes the issue. I could not see
any difference
Hello Tormod,
thanks for your comments and tests! Are you more deeply involved into
the calculation methods for these savage drivers?
In fact, on my system I had to remove the 7-pixel offset to get the
screen full in width.
I'm sorry, at the moment I don't have a lot of time for doing an
Hi Hans-Jörgen, thanks for the patch and the work you have done on this!
Unfortunately it was filed on the wrong package so it did not get on my
radar before now.
Would you be willing to make a git patch (as described in
http://www.x.org/wiki/Development/Documentation/SubmittingPatches)?
After
** Package changed: xserver-xorg-video-s3 (Ubuntu) = xserver-xorg-
video-savage (Ubuntu)
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https://bugs.launchpad.net/bugs/670790
Title:
Xv / XVideo
Hi Hans,
Nice work finding a patch to solve the issue you found! However, I
think it would be best if you would get this patch taken either in
Debian or upstream, because the -s3 drivers is not one of our main
supported X video drivers - we just sync -s3 directly from Debian, and
so prefer not
** Tags added: patch
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Xv / XVideo accelerated video width is limited by / depending on the screen
resolution on S3 Savage, but only if the laptop LCD is the primary screen
https://bugs.launchpad.net/bugs/670790
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which is
Hello,
now I resolved the problem myself on source code level. The relevant
parts are two sections in savage_video.c and savage_streams.c, where
scaling factors explicitly for LCD usage are calculated. The problem was
mainly that only the drawing starting point was modified by the scaling
factor,
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