tree 94c223e66417996f39062d9189add5b1f9268748
parent e603252115916e04dc553787cd1c40d727b04285
author Peter Nordström <pnordstrom@google.com> 1536742254 +0300
committer Alex Van Damme <atv@google.com> 1541614573 +0000

MLK-19362: media: csi: Fix "Hresponse" and "Rx fifo overflow" camera errors

When the register setting for fifo_send_level is set to high, some residual
data of a frame which cannot fill up to the send_level, will be sent with
the next frame data. In this case, for CSI receive dma, sometimes,
the vertical blanking is too short to finish the storage of the previous
frame before the next frame start, depending on the system bandwidth.

Tested on imx8mq-evk rev B4 and B3, with OV5640 camera.

This patch was proposed by Tom Zheng <haidong.zheng@nxp.com>

Change-Id: I73eb046d5a2a21296dc0e6db85b74428d96f2f04
Signed-off-by: Mirela Rabulea <mirela.rabulea@nxp.com>
Reviewed-by: Robby Cai <robby.cai@nxp.com>
(cherry picked from commit 55ba5bf0ee02e57a89f2fc86b414491e0df01efa)