On martes, 22 de noviembre de 2016 15:00:03 (CET) Juan Francisco Cantero 
Hurtado wrote:
> On Tue, Nov 22, 2016 at 08:17:27PM +0800, Tinker wrote:
> > Juan,
> > 
> > Ok you're right this is unimportant. Just for completeness for now,
> > 
> > Is it possible to do an altogether opensource unaccellerated
> > graphics driver for MALI today, based on all sources you've seen
> > out there?
> 
> I don't know.
> 
> > Also what's KMS about, I see https://lwn.net/Articles/568169/ and
> > http://events.linuxfoundation.org/sites/events/files/slides/brezill
> > on-drm-kms.pdf but don't make too much sense, what's it about?
> 
> KMS is the name used for the kernel driver on Linux. I don't know what
> is the correct term for OpenBSD (our kernel also includes DRM, which
> is an external lib on Linux).

I was mixing libdrm with the kernel drm here. Just ignore my comment.

> 
> > Anyhow yeah you're right there's much more important things like
> > 64bit.
> > 
> > Tinker
> > 
> > On 2016-11-22 10:41, Juan Francisco Cantero Hurtado wrote:
> > > On Tue, Nov 22, 2016 at 10:05:40AM +0800, Tinker wrote:
> > > > Juan,
> > > > 
> > > > Re console:
> > > > Is there not even console graphics on the ARM boards yet, so
> > > > only
> > > > serial
> > > > interface?
> > > 
> > > The HDMI/Video port requires a KMS driver.
> > > 
> > > > Re X:
> > > > Using open-source drivers only, you can actually run X on the
> > > > Mali
> > > > GPU:s
> > > > (i.e. the chips in most ARM:s), unaccelerated.
> > > 
> > > IIRC, the most of ARM boards on Linux use a KMS driver + Xorg
> > > modesetting driver. Anyway, the devs are working on more important
> > > things for the platform.
> > > 
> > > > Here's a video showing this on an EOMA68-A20 board in some
> > > > Linux:
> > > > https://youtu.be/iM4cDjGY9vY?t=180 .
> > > > 
> > > > The low speed of the A20 CPU results in some flickering when
> > > > switching windows and tabs. I think on the modern ~2Ghz ARM:s
> > > > e.g. RK3399, as its
> > > > single-thread and memory speed is approx 5x that of the A20, the
> > > > unaccelerated X should provide a perfect desktop experience (web
> > > > browsing,
> > > > openoffice etc., anything except video decoding).
> > > > 
> > > > It would be super ultra cool to be able to do this on OpenBSD
> > > > some
> > > > day.
> > > > 
> > > > Tinker
> > > > 
> > > > On 2016-11-22 07:48, Juan Francisco Cantero Hurtado wrote:
> > > > > On Mon, Nov 21, 2016 at 11:46:48AM -0700, Haroon Khalid wrote:
> > > > > > Is there any example of a touch screen like this working
> > > > > > with a
> > > > > > beaglebone
> > > > > > or raspberry pi for example?
> > > > > > 
> > > > > > https://www.adafruit.com/product/1601
> > > > > 
> > > > > No, we don't have graphical support for the ARM boards yet.
> > > > > 
> > > > > Try with a "standard" (i.e. without special drivers) touch
> > > > > screen and
> > > > > i386/amd64.


-- 
Juan Francisco Cantero Hurtado http://juanfra.info

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