msm: kgsl: Ensure GPU idles before power collapsing it

Fixes a bug that resulted in powering off the GPUCC domain
before the GMU was ready for power collapse.

CRs-Fixed: 2017390
Change-Id: I193a63c2eed73d6cb7d4fa019ecba3ee10a728ee
Signed-off-by: George Shen <sqiao@codeaurora.org>
Signed-off-by: Kyle Piefer <kpiefer@codeaurora.org>
3 files changed