tree 7ab9f6b0db258bfc1b918081ceba57d477b8bb63
parent 17fabdba250d221389468db1f67d049ab08f4ea4
author Ramakant Singh <ramaka@codeaurora.org> 1418146423 +0530
committer Gerrit - the friendly Code Review server <code-review@localhost> 1425469641 -0800

hwc: Handle alpha scaling in mdp3.

MDP3 loosing alpha value in case of scaling up
and down.Hence we can't scale up or down alpha layer
more than its hw capability(4x).
CRs-Fixed: 766561

Change-Id: Id168f8331e08700903774227ee8e9bff61e5bfd4