Date: Thu, 16 Sep 2010 18:37:39 +0200 From: David DEMELIER <demelier.david@gmail.com> To: Jung-uk Kim <jkim@freebsd.org> Cc: freebsd-stable@freebsd.org Subject: Re: Strange video mode output with VESA Message-ID: <AANLkTiniszEhexX=7uw9OPHYFpNT1OGuPqnWk-kFYzWC@mail.gmail.com> In-Reply-To: <AANLkTimDHCjSzdtnu42LjH6dE_TQb6YhLH%2BqKjbU5DsG@mail.gmail.com> References: <877004.53626.qm@web59106.mail.re1.yahoo.com> <201007161522.54572.jkim@FreeBSD.org> <201007161918.32195.jkim@FreeBSD.org> <201007191503.37511.jkim@FreeBSD.org> <AANLkTimDHCjSzdtnu42LjH6dE_TQb6YhLH%2BqKjbU5DsG@mail.gmail.com>
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2010/9/16 David DEMELIER <demelier.david@gmail.com>: > 2010/7/19 Jung-uk Kim <jkim@freebsd.org>: >> On Friday 16 July 2010 07:18 pm, Jung-uk Kim wrote: >>> On Friday 16 July 2010 03:22 pm, Jung-uk Kim wrote: >>> > On Friday 16 July 2010 03:00 pm, David DEMELIER wrote: >>> > > 2010/6/19 paradox <ddkprog@yahoo.com>: >>> > > >>On Wednesday 02 June 2010 04:25 pm, David DEMELIER wrote: >>> > > >>> Hi there, >>> > > >>> >>> > > >>> I was so happy to see that VESA is available for amd64, but >>> > > >>> unfortunately it does not work really well for me. Take a >>> > > >>> look at this picture : >>> > > >>> >>> > > >>> http://img717.imageshack.us/img717/7311/dsc00399h.jpg >>> > > >>> >>> > > >>> My laptop is a 15,6" so the best resolution is 1366x768, I >>> > > >>> tried this >>> > > >>> >>> > > >>> : vidcontrol MODE_496. As you can see on the picture all >>> > > >>> : the lines are >>> > > >>> >>> > > >>> completely everywhere, if I mouse the cursor they move away >>> > > >>> (I'm not drunk!). >>> > > >>> >>> > > >>> I have SC_PIXEL_MODE in my kernel config. >>> > > >>> >>> > > >>> The console terminal is okay until I don't excess >>> > > >>> 1280x960x32 video mode. >>> > > >>> >>> > > >>> Do you have any idea to fix this ? >>> > > >> >>> > > >>It is kinda known problem. =EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD= =EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BDIf the mode has larger >>> > > >> bytes per scan line than the minimum, few characters per >>> > > >> line are lost when the screen is scrolled up or down, i.e., >>> > > >> framebuffer copies of whole screen. =EF=BF=BD=EF=BF=BD=EF=BF=BD= =EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BDWhen you move >>> > > >> the mouse onto the line, entire line is redrawn and >>> > > >> restored. =EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD= =EF=BF=BD=EF=BF=BD=EF=BF=BDThat's what you are seeing. =EF=BF=BD=EF=BF=BD= =EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BDEd >>> > > >> might have a better idea how to fix it (CC'ed). >>> > > >> >>> > > >>Jung-uk Kim >>> > > > >>> > > > this is incorrent calculate the scan lines in the vesa driver >>> > > > Jung-uk Kim should to fix it >>> > > >>> > > But Jung-uk Kim said Ed' should fix it so we are in an infinite >>> > > loop :- >>> > >>> > No, I didn't say that. =C2=A0What I meant was "Ed may be a better >>> > qualified person to fix syscons vs. terminal emulator interaction >>> > issues." :-( >>> >>> Can you please try the attached patch? >> >> FYI, I just went ahead and committed a (slightly better) patch on head >> as r210248. =C2=A0It will be MFC'ed soon. >> >> Jung-uk Kim >> > > Sorry, I completely forgot this thread, > > I tried your patch, it didn't solved the problem but the offset is > shorter now, only 2 or 3 characters per line are bad positionned. I > will try the r210248 revision, this revision only applies to the file > scvgarndr.c ? > > Thanks. > > -- > Demelier David > I tried the r210248 revision but it doesn't works, I still have a little offset but less than without the patch. Kind regards, --=20 Demelier David
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