Re: [Linux-fbdev-devel] Re: [Dri-devel] Rage128 and Radeon patches

2003-08-15 Thread Benjamin Herrenschmidt
Putting the EDID data into the RAM copy will never work the case where there are multiple cards since there is only one copy of the ROM in low RAM. Yup, but at least it works for single cards, and that helps a lot of users until radeonfb can do better Personally I'd just like to ignore the

Re: [Linux-fbdev-devel] Re: [Dri-devel] Rage128 and Radeon patches

2003-08-14 Thread Jon Smirl
--- Benjamin Herrenschmidt [EMAIL PROTECTED] wrote: This is a problem. We also parse it to find the DFP EDID and/or flat panel informations, do that work with the real ROM ? I don't know much about x86 BIOSes, but at least for the DFP EDID, I suppose that one is read in RAM by the BIOS, not

Re: [Linux-fbdev-devel] Re: [Dri-devel] Rage128 and Radeon patches

2003-08-14 Thread Benjamin Herrenschmidt
On Thu, 2003-08-14 at 18:00, Jon Smirl wrote: --- Benjamin Herrenschmidt [EMAIL PROTECTED] wrote: This is a problem. We also parse it to find the DFP EDID and/or flat panel informations, do that work with the real ROM ? I don't know much about x86 BIOSes, but at least for the DFP EDID,

Re: [Linux-fbdev-devel] Re: [Dri-devel] Rage128 and Radeon patches

2003-08-14 Thread Jon Smirl
--- Benjamin Herrenschmidt [EMAIL PROTECTED] wrote: Well... Again, this has to be verified in real life, but my understanding is that the BIOS code, once it has probed the DFP flat panel, will put the EDID data in RAM somewhere within the copy of the BIOS, which is where we then find

Re: [Linux-fbdev-devel] Re: [Dri-devel] Rage128 and Radeon patches

2003-08-14 Thread Jon Smirl
--- Alex Deucher [EMAIL PROTECTED] wrote: 2) access ROM directly instead of relying on copy in low RAM. This allows multiple cards. Required MPP_TB_CONFIG fix in driver. Is this patch necessary for xfree86? It may address some of the issues in the email threads I sent out yesterday

Re: [Linux-fbdev-devel] Re: [Dri-devel] Rage128 and Radeon patches

2003-08-14 Thread Alex Deucher
I haven't tried multiple radeon cards, but I seem to recall several people having this problem right around when 4.3.0 was released. I don't think a proper fix ever went in and I think the issue was to be revisited later. I don't know if it's needed anymore or not. Alex --- Jon Smirl [EMAIL