[PATCH] drm: hdlcd: allow HDLCD to be used without interrupt

On 26/07/17 11:27, Russell King - ARM Linux wrote:

I suspect the above failure is down to either (a) not having enough
memory available to allocate a 1920x1080 frame buffer, or (b) not
(yet) being able to program the hdlcd pixel clock for this platform,
which is currently hard-coded in DT at 23.75MHz.

Given it is NOMMU it is likely (a). Usually, tweaking FORCE_MAX_ZONEORDER
helped me in such cases.

Cheers
Vladimir