On Mon, 2019-03-11 at 12:45 +0100, Paul Cercueil wrote: > Hi Ezequiel, > > On Mon, Mar 11, 2019 at 1:02 AM, Ezequiel Garcia > <ezequiel@xxxxxxxxxxxxx> wrote: > > On Thu, 2019-02-28 at 19:07 -0300, Paul Cercueil wrote: > > > Hi, > > > > > > This is a first attempt at a KMS driver for the JZ47xx MIPS SoCs by > > > Ingenic. It is aimed to replace the aging jz4740-fb driver. > > > > > > The driver will later be updated with new features (overlays, TV-out > > > etc.), that's why I didn't go with the simple/tiny DRM driver. > > > > > > The driver has been tested on the Ben Nanonote (JZ4740) and the > > > RetroMini RS-90 (JZ4725B) handheld gaming console. > > > > > > > Does this support JZ4780? Or otherwise, > > is there any similarity with JZ4780 display controller? > > > > Thanks, > > Eze > > The JZ4780 LCD controller would in theory work with this driver, but > to test on the CI20 you'd need to add support for HDMI first. > After reviewing a bit this driver and the JZ480 one on the CI20 repo, there seems to be some differences. To begin with, the JZ480 apparently has a new 8-word descriptor. The HDMI looks pretty much a Synopsys DW HDMI, mostly compatible with the dw-hdmi encoder. I'll try to put together some patches to enable JZ4780 support. Won't happen anytime soon, so if anyone wants to give it a shot, be my guest :-) Regards, Eze
