diff options
| author | Alex Frid <afrid@nvidia.com> | 2012-03-18 00:01:02 -0700 |
|---|---|---|
| committer | Simone Willett <swillett@nvidia.com> | 2012-05-21 18:47:20 -0700 |
| commit | dc04b051470f72fa3503be2503b8eed002881b1c (patch) | |
| tree | ac4da616c45a4296f208379aec0cf77eee00afc2 /arch/arm/mach-tegra/tegra3_emc.h | |
| parent | a04b69f8a6241a0bdf2b9c93f2c7b2bca7520d5c (diff) | |
ARM: tegra: clock: Account for memory BW efficiency
Account for memory efficiency when processing requests from Tegra3
EMC shared bandwidth users. Do not round requests from these users
until they are aggregated.
The respective debugfs node: /d/tegra_emc/efficiency (in %).
Bug 952739
Signed-off-by: Alex Frid <afrid@nvidia.com>
(cherry picked from commit 86929087f68c4366d6179101eb9a6a6473a4f084)
Change-Id: I4acdd89f44de1401ce5dad8fc4936932df014458
Reviewed-on: http://git-master/r/103499
Reviewed-by: Automatic_Commit_Validation_User
Tested-by: Aleksandr Frid <afrid@nvidia.com>
Reviewed-by: Jihoon Bang <jbang@nvidia.com>
Reviewed-by: Jon Mayo <jmayo@nvidia.com>
GVS: Gerrit_Virtual_Submit
Diffstat (limited to 'arch/arm/mach-tegra/tegra3_emc.h')
| -rw-r--r-- | arch/arm/mach-tegra/tegra3_emc.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/tegra3_emc.h b/arch/arm/mach-tegra/tegra3_emc.h index 03bde19c4a7b..185d77762da2 100644 --- a/arch/arm/mach-tegra/tegra3_emc.h +++ b/arch/arm/mach-tegra/tegra3_emc.h @@ -27,6 +27,8 @@ #define TEGRA_EMC_BRIDGE_RATE_MIN 300000000 #define TEGRA_EMC_BRIDGE_MVOLTS_MIN 1200 +extern u8 tegra_emc_bw_efficiency; + struct tegra_emc_table { u8 rev; unsigned long rate; |