Re: [RFC 0/1] drm: Add Grain Media GM12U320 kms driver

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Hi,

On 09-06-17 22:59, Marco Diego Aurélio Mesquita wrote:
Hi Devs!

On Thu, Jun 8, 2017 at 4:08 AM, Hans de Goede <hdegoede@xxxxxxxxxx> wrote:
I don't think that using cma for the gm12u320 is a good idea, it will
typically be used as a secondary GPU output together with a real GPU
extending the desktop by being a prime display output. So for the memory
management stuff I would keep the code copied from the udl driver (which
we may later split out in a separate helper lib for devices where
the framebuffer is in normal system memory and we have some scather-gather
capable process copying it to the real device over e.g. USB)


I got the PL111 driver and stripped all device specific code. Also, I
added the get_modes and driver usb probe functions from gm12u320. The
resulting code is available in
https://gitlab.com/marcodiego/dummy-display-driver .

Cool, I'm glad to see that you are making progress on this!

Regards,

Hans
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