Revert "msm-fb: Fix sysfs node creation in mdp_probe for MDP3 targets"

This reverts commit 781b2d3e77202148ab6cdd6b2c07f67e598db9f0.
Revert "msm_fb: display: Create sysfs entries in mdp_probe for MDP3 targets"

This reverts commit f3de9fe75b566619f939b2aaa7ed078507084ef6.
msm: display: Buffer sync point support

Add MSMFB_BUFFER_SYNC ioctl for the communication of
the acquired and released fence fd between kernel and hwc.

Wait for acquired fence before pan display.
Release the previous released fence after pan display

Change-Id: I6534aed574a025d948581e70465f06a86b46c868
Signed-off-by: Ken Zhang <kenz@codeaurora.org>
msm_fb: call the backlight control before FB_BLANK_POWERDOWN

You might see the white line while lcd off. You should turn lcd backlight
off before lcd off to avoid that issue. So call the notifier for backlight
before handling of FB_BLANK_POWERDOWN in msm_fb.

Change-Id: I3bd08025a949ec02a1fba7cef98a13d8977c135b
msm: display: add sync point support in overlay commit

Wait for fence signaled before commit, signal previous
fence after commit done. Same as pan display

Signed-off-by: Ken Zhang <kenz@codeaurora.org>
Signed-off-by: Naseer Ahmed <naseer@codeaurora.org>

Conflicts:

	drivers/video/msm/mdp4_overlay.c
	drivers/video/msm/msm_fb.c