MALI: midgard: RK: slowdown clk_gpu before poweroff cores
authorchenzhen <chenzhen@rock-chips.com>
Sat, 24 Sep 2016 08:31:08 +0000 (16:31 +0800)
committerchenzhen <chenzhen@rock-chips.com>
Mon, 14 Nov 2016 06:29:00 +0000 (14:29 +0800)
commit89501d8dd3c214e4a162e94804f0d56c61c23237
tree2a6cd94f6ecced5cb4fb7091622c7c84101c0dc3
parentd94880b547779baaaa9e9b733c38881cad8aa685
MALI: midgard: RK: slowdown clk_gpu before poweroff cores

This is a workaround for the issue that
"400M, 500M and 600M of clk_gpu needs high vdd_gpu",
according to "6.2" of Mali Application Note
"Potential glitches on Power Domain interfaces".

Change-Id: I8b8eccd2079e21ac5e1db7b4552c8f998f676a9f
Signed-off-by: chenzhen <chenzhen@rock-chips.com>
drivers/gpu/arm/midgard/backend/gpu/mali_kbase_devfreq.c
drivers/gpu/arm/midgard/backend/gpu/mali_kbase_pm_backend.c
drivers/gpu/arm/midgard/mali_kbase_core_linux.c
drivers/gpu/arm/midgard/mali_kbase_defs.h