Hi Vineet,
> From: Alexey Brodkin [abrodkin at synopsys.com]
> Sent: Monday, March 28, 2016 2:36 PM
> To: dri-devel at lists.freedesktop.org
> Cc: linux-kernel at vger.kernel.org; Alexey Brodkin; Vineet Gupta;
> linux-snps-arc at lists.infradead.org
> Subject: [PATCH 4/5 v5
During mmaping of frame-buffer pages to user-space
fb_protect() is called to set proper page settings.
In case of ARC we need to mark pages that are mmaped to
user as uncached because of 2 reasons:
* Huge amount of data if passing through data cache will
thrash cache a lot making cache almost