framebuffer: remove lock in fbmem ioctl. [1/1]
authorsky zhou <sky.zhou@amlogic.com>
Sat, 24 Nov 2018 13:56:30 +0000 (21:56 +0800)
committerJianxin Pan <jianxin.pan@amlogic.com>
Mon, 26 Nov 2018 07:54:58 +0000 (23:54 -0800)
commitd4935088286d45d025cab4987b3a3e17478f1657
tree464e2304899ed52477bb18a8080900476918a5f9
parent130e79eb149d4c90d4c4e8ea602702d7fcea5a7b
framebuffer: remove lock in fbmem ioctl. [1/1]

PD#SWPL-2497

Problem:
on 32bit kernel, when user space call WAITFORVSYNC,
we cannot send other command to framebuffer.

Solution:
remove lock in fbioctl as fb compat_ioctl do.
Our driver have locks to protect internal resources.

Verify:
verified on franklin.

Change-Id: I1789c09a7ea459aed4b782748847687c7f974526
Signed-off-by: sky zhou <sky.zhou@amlogic.com>
drivers/video/fbdev/core/fbmem.c