From: Adam K K. <ad...@vo...> - 2002-08-08 01:19:29
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Me again, =09So I think I might have a better idea of what's going on... I did some testing with the Radeon framebuffer tonight, and can only seem to get it to work with just two modes: 1024x768@70 and 640x480@60. I've tried a number of others, which worked with the DVI output of my 7500, but don't seem to work with the VGA port of the card. =09Any ideas? Adam On Tue, 6 Aug 2002, Adam K Kirchhoff wrote: > > Ani and others :-) > > =09I was hoping you could lend me some insight :-) I'm trying to do > some work with DirectFB, and I'm now running into a slight problem > concerning getting output on the VGA port. > > =09I've e-mailed the directfb-dev mailing list about it and had some > interesting conversations, but the end result was basically: "You should > check with Ani Joshi about that, and maybe ask on the linux-fbdev-devel > mailing list". > > =09So now I'm asking here :-) Below this I'm including the > description of the problem I'm seeing that I sent to the directfb-dev > mailing list. > > =09Can anyone help me out? Thanks :-) > > Adam > > ---------- Forwarded message ---------- > Date: Tue, 6 Aug 2002 12:51:24 -0400 (EDT) > From: Adam K Kirchhoff <ad...@vo...> > To: "[iso-8859-1] Ville Syrj=E4l=E4" <sy...@sc...> > Cc: directfb-devel <dir...@di...> > Subject: Re: [directfb-dev] Re: Radeon support... > > > > I'm getting really confused as to what's going on... What exactly happe= ns > > when you run a DirectFB application? > > It took me a while to figure it out what I know so far, and I'm still not > 100% sure what's going on... > > If I run *any* DirectFB application, the screen blanks. The system > doesn't lock. I can ssh in and see the application listed in the process > table. For example, running df_fire, the screen blanks and, after a few > seconds, the monitor goes to sleep (as if it's no longer getting a > signal)... Hitting the 'esc' key brings back the vt, just as usual when > runnin the application. > > Running dfbsee produces similar results. However, with any video that I > play, I can hear the audio stream :-) I just can't see anything... > > Now, when I first experienced this, I posted about it on either > directfb-dev or directfb-user. A short while later, I figured out a > workaround :-) > > Instead of booting with my CRT plugged into the VGA port, I used a > DVI-to-VGA adapter (that came with my Radeon 7500), and plugged the > monitor into the DVI-A port. Lo' and behold, DirectFB applications were > now showing up :-) > > Since then I've done some video card swapping and now have a "Powered By > ATI" Radeon 8500 LE. This card has both a VGA port and a DVI-D port, but > no adapter. The old adapter doesn't work for this card because it's > designed for DVI-A as compared to DVI-D. > > I've encountered similar problems elsewhere, too. For example, a hacked > radeon 7500 driver for BeOS would only display on the DVI port, even if > the computer booted up fine with a monitor on the VGA port. > > Of course, I just don't know why this is the case :-) > > I've been poking around on-line looking for a DVI-D to VGA adapter, but > very few of the shops that sell them on-line clarify if it's DVI-A or > DVI-D :-) > > Adam > > > > > > ------------------------------------------------------- > This sf.net email is sponsored by:ThinkGeek > Welcome to geek heaven. > http://thinkgeek.com/sf > _______________________________________________ > Linux-fbdev-devel mailing list > Lin...@li... > https://lists.sourceforge.net/lists/listinfo/linux-fbdev-devel > > |