LCD: Fix deadlock on displaying to panel

Change-Id: I18d2a9778db51e802a7afab3087edb5ddda1cc45
Signed-off-by: Rashed Abdel-Tawab <rashedabdeltawab@gmail.com>
LCD: Enable dithering on mdp dma operation

Change-Id: I370099593ebd362b06062f432145ac2e8117b91b
Signed-off-by: Rashed Abdel-Tawab <rashedabdeltawab@gmail.com>
Cleanup and include some LG things from 2.6

Change-Id: Ie258c6efc00d7fcafa01e3d988fe6d0072d61117
Signed-off-by: Rashed Abdel-Tawab <rashedabdeltawab@gmail.com>