tree 9da030058cc894372e7d5d0356447d1f6a14804b
parent 77a6e7abb09de0e85a15e2fe42c21ffc59847759
author Nicolas Ferre <nicolas.ferre@atmel.com> 1216873880 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1216921657 -0700

atmel_lcdfb: FIFO underflow management

Manage atmel_lcdfb FIFO underflow

Resetting the LCD and DMA allows to fix screen shifting after a FIFO
underflow.  It follows reset sequence from errata "LCD Screen Shifting
After a Reset".

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Haavard Skinnemoen <hskinnemoen@atmel.com>
Cc: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>