Re: [PATCH v2 1/4] drm: arm: Add DT bindings documentation for HDLCD driver.
From: Liviu Dudau
Date: Thu Nov 12 2015 - 06:09:44 EST
On Thu, Nov 12, 2015 at 10:52:25AM +0000, Jon Medhurst (Tixy) wrote:
> On Thu, 2015-11-12 at 10:42 +0000, Liviu Dudau wrote:
> > > This is on-chip RAM or nornal system RAM? We already have bindings
> > for
> > > both.
> > Juno has a set of TLX (ThinLinks) connectors on the board where an
> > FPGA can be attached. On r1
> > the code running on FPGA can even participate as an AXI master with
> > full coherency. The FPGA
> > has local memory that we want to share with the HDLCD to be used as a
> > framebuffer.
> The HDLCD on the Juno chip or one implemented in the FPGA? I assume you
> mean the latter but just wanted to check.
You can have a GPU on the FPGA, and you want to read the framebuffer
off the FPGA's memory to render it on screen using the SoC's HDLCD. Hope
this makes sense.
| I would like to |
| fix the world, |
| but they're not |
| giving me the |
\ source code! /
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