[RFC] omap4-fb: use uncached screen_base

Alexander Aring alex.aring at gmail.com
Mon Apr 15 07:45:37 EDT 2013


On Thu, Apr 11, 2013 at 01:28:19PM +0200, Jan Weitzel wrote:
> If the buffer is cached the image on the LCD is broken. Only some small
> lines on the last rows. Flushing the cache "repairs" the image.
> Is remap_range the right way to get a non cached buffer?
> This patch only covers prealloc_screen, not dynamic
> If the buffer is dynamic, is the use of dma_alloc_coherent right? Or should
> the buffer remaped again if freed?
> ---
>  drivers/video/omap4.c |    5 +++++

Sry, where is this file in the current barebox version?
It's something which is in wip?


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