tree 59e62efc176ec73c6e936babbfb31734908377e9
parent 7055298a7b85626eb367a97f9f3d1bc5a1f0ae79
author Huaibin Yang <huaibiny@codeaurora.org> 1326931735 -0800
committer Linux Build Service Account <lnxbuild@localhost> 1330854184 -0700

msm_fb: display: add overlay1 writeback enable and disable

This logic is used to enable mdp overlay1 writeback mode when
downscaling in any pipe for mixer1 requires a mdp clk rate more than
its max, and disable it when no pipe requires more than max mdp clk
rate.

CRs-fixed: 330895
Change-Id: I67632fdc2cf4c357753603fee293817bb87581ca
Signed-off-by: Huaibin Yang <huaibiny@codeaurora.org>