From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adam K Kirchhoff Subject: Re: Radeon support (was Re: (no subject)) Date: Fri, 9 Aug 2002 13:34:18 -0400 (EDT) Sender: linux-fbdev-devel-admin@lists.sourceforge.net Message-ID: References: Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from memory.visualtech.com ([208.16.19.49]) by usw-sf-list1.sourceforge.net with esmtp (Exim 3.31-VA-mm2 #1 (Debian)) id 17dDdy-0004nH-00 for ; Fri, 09 Aug 2002 10:33:46 -0700 Received: from localhost (localhost.localdomain [127.0.0.1]) by memory.visualtech.com (Postfix) with ESMTP id E11014BFA for ; Fri, 9 Aug 2002 13:34:18 -0400 (EDT) In-Reply-To: Errors-To: linux-fbdev-devel-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Id: List-Unsubscribe: , List-Archive: Content-Type: TEXT/PLAIN; charset="iso-8859-1" To: linux-fbdev-devel@lists.sourceforge.net Well, I finally got it working... I had to use the radeon framebuffer code that's distributed with mplayer, though :-) Adam On Thu, 8 Aug 2002, Adam K Kirchhoff wrote: > > Alright, so I did some more testing this morning... I tried the exact > same modes, with the exact same monitor, first hooked up to the VGA port > and then hooked up to the DVI port of my Radeon 7500... All but two of > the modes were taken from the fb.modes file supplied by the DirectFB > project. *None* of the following modes (all at 16 bit) worked with the > VGA port: > > 640x480 75Hz > 800x600 75Hz > 1024x768 72Hz > 1280x1024 60Hz > 1600x1200 60Hz > > All of the above worked (again, with the *same* monitor) hooked up to the > DVI port. > > The two modes that *did* work with the VGA port were modes that I > specified to the kernel when booting (they were not taken from fb.modes): > > 1024x768 70Hz > 640x480 60Hz > > Also, it makes no difference if I use one of the unsupported modes from > the list of five above with fbset or when the kernel boots... In both > situations, the display just blanks, as if it's either: A) getting no > signal, or B) getting sent to a frequency it doesn't support. > > Does *anyone* know what's going on and how to fix this? > > Adam > > On Wed, 7 Aug 2002, Adam K Kirchhoff wrote: > > > > > 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 sho= uld > > > check with Ani Joshi about that, and maybe ask on the linux-fbdev-dev= el > > > 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 > > > To: "[iso-8859-1] Ville Syrj=E4l=E4" > > > Cc: directfb-devel > > > Subject: Re: [directfb-dev] Re: Radeon support... > > > > > > > > > > I'm getting really confused as to what's going on... What exactly h= appens > > > > 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 pro= cess > > > 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 w= hen > > > runnin the application. > > > > > > Running dfbsee produces similar results. However, with any video tha= t 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 w= ere > > > 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 hac= ked > > > 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, b= ut > > > 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 > > > Linux-fbdev-devel@lists.sourceforge.net > > > https://lists.sourceforge.net/lists/listinfo/linux-fbdev-devel > > > > > > > > > > > > > > ------------------------------------------------------- > This sf.net email is sponsored by:ThinkGeek > Welcome to geek heaven. > http://thinkgeek.com/sf > _______________________________________________ > Linux-fbdev-devel mailing list > Linux-fbdev-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/linux-fbdev-devel > > ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf