msm: display: system jittering

1. When wait for vsync times out, disable sw frc.
2. Unlock mutex when waiting for gfx fence.
3. Reduce fence log number and add delay when print out.

Change-Id: Ie3acb533dd8e2939efc732a58edb1308161e34a1
Signed-off-by: Ken Zhang <kenz@codeaurora.org>
msm: camera: prevent invalid access through mmap

Disable access to invalid addresses through mmap.
Add appropriate range checks to ensure valid accesses
through framebuffer mmap. This prevents illegal
access into memory.

Change-Id: Ie053d9d8efe951b88f28b020dd9c2356e54723a7
CRs-Fixed: 475794
Signed-off-by: Manoj Rao <manojraj@codeaurora.org>
Merge "msm: display: system jittering"
Merge "msm: camera: prevent invalid access through mmap"