msm_fb: display: Create sysfs entries in mdp_probe for MDP4 targets

vsync sysfs entries should be created in mdp_probe instead of
creating in panel on. This avoids waiting for the first event
control in framework

Change-Id: I3b6987555a2318f1bd36be253349611e051ca58d
Signed-off-by: Mayank Chopra <makchopra@codeaurora.org>
Signed-off-by: Padmanabhan Komanduru <pkomandu@codeaurora.org>
msm_fb: display: Create sysfs entries in mdp_probe for MDP3 targets

vsync sysfs entries should be created in mdp_probe instead of
creating in panel on. This avoids waiting for the first event
control in framework

Change-Id: I18b05b8d2a65d489afc6e3274ec8dc7a5b9a5f9a
Signed-off-by: Mayank Chopra <makchopra@codeaurora.org>
msm-fb: Fix sysfs node creation in mdp_probe for MDP3 targets

-vsync_init null check not required for mdp3 target before
 creating sysfs node.
-Set vsync suspend and resume flags appropriately in mdp_on
 for mdp3.

CRs-Fixed: 393243
Change-Id: I3366df7385ca8e2ae15053c3e58332f8e32ce0cd
Signed-off-by: Pawan Kumar <pavaku@codeaurora.org>