[PATCH] ARM: dts: sun4i: Add simplefb node with de_fe0-de_be0-lcd0-hdmi pipeline
maxime.ripard at free-electrons.com
Wed Jan 21 00:56:48 PST 2015
On Mon, Jan 19, 2015 at 02:01:17PM +0100, Hans de Goede wrote:
> Testing has shown that on sun4i the display backend engine does not have
> deep enough fifo-s causing flickering / tearing in full-hd mode due to
> fifo underruns. This can be avoided by letting the display frontend engine
> do the dma from memory, and then letting it feed the data directly into
> the backend unmodified, as the frontend does have deep enough fifo-s.
> Note since u-boot-v2015.01 has been released using the de_be0-lcd0-hdmi
> pipeline on sun4i, we need to keep that one around too (unfortunately).
> Signed-off-by: Hans de Goede <hdegoede at redhat.com>
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
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