Thread (8 messages) 8 messages, 3 authors, 2003-08-22

Re: EDID for radeonfb

From: Jon Smirl <hidden>
Date: 2003-08-21 20:51:11

Is GregKH designing the EDID thorough sysfs scheme? I haven't seen a proposal
on how it is going to work. We need to coordinate with that so that we don't
end up with a different EDID scheme for every card.
--- Benjamin Herrenschmidt <benh@kernel.crashing.org> wrote:
On Thu, 2003-08-21 at 22:39, Jon Smirl wrote:
quoted
The EDID code will allow the driver to ignore the BIOS copy in low RAM and
use
quoted
the ROM instead. Ben, could you make sure that the code to enable/access
the
quoted
ROM works on your Macs since I don't own one? Did you finish merging what
was
quoted
left of the Rage/Radeon PCI IDs from my patch?
The "Mac" cards don't have an x86 BIOS in ROM, they have an Open
Firmware instead, we need to fix proper detection of that, but that's
something I can try to do. I didn't finish merging it yet, I've been
quite busy with other drivers this week, radeonfb is on my todolist
for this week-end.
quoted
EDID plus ROM will solve both problems: multiple adpaters and Mac portables
needing EDID.
Yup (Note: the need for EDID in low RAM happened with x86 configs, on Macs,
I get it via the Open Firmware device tree).

Ben.

=====
Jon Smirl
jonsmirl@yahoo.com

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