msm: dcvs: add ss_no_corr_below_freq parameter
The busy/idle behavior of different cores can be correlated by
DCVS when determining what frequency to run cores at. However,
this is not desirable below a certain frequency. Add a parameter
to establish what this frequency is. The parameter is configurable
in userspace via sysfs.
The ss_iobusy_conv parameter is currently unused, so it is
being replaced with ss_no_corr_below_freq.
(cherry picked from commit e8c6d615259af5fde8a6613f53c41c212407bda9)
Change-Id: Ibf814f3f93b92a532d7b3af80721a5bc7db1bd31
Signed-off-by: Steve Muckle <smuckle@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-8064-gpu.c b/arch/arm/mach-msm/board-8064-gpu.c
index fad7092..44bc6d2 100644
--- a/arch/arm/mach-msm/board-8064-gpu.c
+++ b/arch/arm/mach-msm/board-8064-gpu.c
@@ -51,7 +51,7 @@
.ss_win_size_min_us = 1000000,
.ss_win_size_max_us = 1000000,
.ss_util_pct = 95,
- .ss_iobusy_conv = 100,
+ .ss_no_corr_below_freq = 0,
},
.energy_coeffs = {