Thread (269 messages) 269 messages, 18 authors, 2014-11-11

[linux-sunxi] Re: [PATCH 4/4] simplefb: add clock handling code

From: Maxime Ripard <hidden>
Date: 2014-08-26 13:22:07
Also in: linux-fbdev

On Tue, Aug 26, 2014 at 10:40:27AM +0200, Thierry Reding wrote:
On Mon, Aug 25, 2014 at 05:18:22PM +0200, Luc Verhaegen wrote:
quoted
On Mon, Aug 25, 2014 at 05:12:58PM +0200, Thierry Reding wrote:
quoted
Out of curiosity, how does this work in practice? How does the
bootloader create this entry? Does it scan the DT to see which clocks
the real hardware device references and then simply copies them to the
simplefb node?

Thierry
https://www.mail-archive.com/linux-sunxi at googlegroups.com/msg06619.html
That looks like a royal pain. Again, I think it'd be much simpler (but
not less code, unfortunately) to do this on a per-resource basis. That
way these low-level firmware drivers in the kernel can stay trivial,
keeping the real complexity where they belong: in hardware-specific
drivers such as DRM/KMS.
So we have to write a DRM/KMS driver in order to have display working
while waiting for a DRM/KMS driver to be worked on? Come on...

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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