Hi John and Ryan!
I managed to put video output working last week. I am suing one of the latest kernels available in ARM landing Team branches. My HDMI output displays a color console, and now I am trying to put vlc displaying a video :) Let's see how it turns! Thanks!
Joao
-----Original Message----- From: Jon Medhurst (Tixy) [mailto:tixy@linaro.org] Sent: Monday, June 29, 2015 9:23 AM To: Ryan Harkin Cc: Joao Pinto; Linaro Kernel Mailman List; Linaro Dev Mailman List Subject: Re: Problems detected in ARM Juno r1
On Thu, 2015-06-18 at 08:54 +0100, Ryan Harkin wrote:
Hi Joao,
Your conclusion is correct. We currently don't support HDMI on the latest mainline kernel, only on the LSK 3.10 kernel.
Shortly after the above was written I finished porting the HDLCD driver to mainline and it appears to have made it out in the Linaro 2015.06 release based on the 4.1-rc8 kernel:
http://git.linaro.org/kernel/linux-linaro-tracking.git/shortlog/refs/heads/l...
One thing to note about HDLCD support on Juno is that it doesn't work reliably with most monitors, due to hardware issues I believe. E.g. none of the four monitors I own work with Juno at the native resolution, but all work if I force a different resolution on the kernel command-line. For recent kernels I use
video=HDMI-A-1:1680x1050@60
and for the 3.10 kernel where the HDMI connection gets given a different name
video=DVI-D-1:1680x1050@60
You can actually include both on the commandline and they don't interfere with each other, which is handy if you swap between 3.10 and current tip kernels.
-- Tixy