Date: Thu, 16 Sep 2010 07:07:44 +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: <AANLkTimDHCjSzdtnu42LjH6dE_TQb6YhLH%2BqKjbU5DsG@mail.gmail.com> In-Reply-To: <201007191503.37511.jkim@FreeBSD.org> References: <877004.53626.qm@web59106.mail.re1.yahoo.com> <201007161522.54572.jkim@FreeBSD.org> <201007161918.32195.jkim@FreeBSD.org> <201007191503.37511.jkim@FreeBSD.org>
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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. --=20 Demelier David
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