I'm still in the learning-as-I-go phase here, so definitely not ready to propose a solution, but it does seem to me like there is room for some sort of kms-helper library here to handle more of the boilerplate xf86-video-* stuff.. I guess I'll have a better picture once I have a chance to add support for the various multi-monitor configurations. But certainly would be interested if anyone already has some ideas.
BR, -R
On Wed, Feb 16, 2011 at 8:42 AM, Jesse Barker jesse.barker@linaro.org wrote:
Speaking for the Linaro graphics working group, I think it's great. And, I think you're right, that if enough of the KMS support in xf86-video-* is similar enough (I was only aware of intel and nouveau supporting it properly at current), pulling it out into a common layer would make it easier to support in new drivers (including fbdev).
cheers, Jesse
On Wed, Feb 16, 2011 at 4:22 AM, Arnd Bergmann arnd@arndb.de wrote:
On Tuesday 15 February 2011, Clark, Rob wrote:
I'd been experimenting a bit on the side w/ the DRM driver framework (
http://gitorious.com/~robclark/pandaboard/robclarks-kernel-omap4/commits/oma... ), but had to add a good chunk of mostly boilerplate code to our xorg driver in order just to test it. Maybe some generic support for KMS in xf86-video-fbdev would have made this easier to develop the kernel part without in parallel having to implement the userspace part. I'm not sure if this is the sort of thing the linaro-wg has in mind?
I'm not sure what the the linaro multimedia wg thinks of this, but the kernel code you linked looks like it's doing exactly the right thing.
Arnd
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