tree e61d9fab92b4dc7b1405388faa4d201e1ae7fc13
parent b99a920dec6281143db5d0ece21ca0419868cdb2
author Zheng Zhang <zhzh@google.com> 1476725475 -0700
committer Zheng Zhang <zhzh@google.com> 1476726489 +0000

mdss: move mdp3_dispatch_dma_done to a kthread

mdp3_dispatch_dma_done is regularly delayed for many ms at a time
because it's in a standard priority workqueue. Move it to its own fifo
thread so it can't cause backpressure.

bug 31092924
bug 32172496

Change-Id: I141114339a0168d6046aea9fe697084bda0cf3eb