Hi Vineet, > From: Alexey Brodkin [abrodkin@xxxxxxxxxxxx] > Sent: Monday, March 28, 2016 2:36 PM > To: dri-devel@xxxxxxxxxxxxxxxxxxxxx > Cc: linux-kernel@xxxxxxxxxxxxxxx; Alexey Brodkin; Vineet Gupta; linux-snps-arc@xxxxxxxxxxxxxxxxxxx > Subject: [PATCH 4/5 v5] arc: Add our own implementation of fb_pgprotect() > > 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 useless for other > less traffic hungry processes. > * Data written by user in FB will be immediately available for > hardware (such as PGU etc) without requirements to flush data > cache regularly. > > Signed-off-by: Alexey Brodkin <abrodkin@xxxxxxxxxxxx> > Cc: Vineet Gupta <vgupta@xxxxxxxxxxxx> > Cc: linux-snps-arc@xxxxxxxxxxxxxxxxxxx Could you please pick up this patch in your tree so in DRM-related series won't be external dependencies any longer? -Alexey _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
