diff options
Diffstat (limited to 'members/arm/android/images/armv8-android-juno-lsk/HOWTO_releasenotes.txt')
| -rw-r--r-- | members/arm/android/images/armv8-android-juno-lsk/HOWTO_releasenotes.txt | 43 |
1 files changed, 3 insertions, 40 deletions
diff --git a/members/arm/android/images/armv8-android-juno-lsk/HOWTO_releasenotes.txt b/members/arm/android/images/armv8-android-juno-lsk/HOWTO_releasenotes.txt index 5f17d21..85eca80 100644 --- a/members/arm/android/images/armv8-android-juno-lsk/HOWTO_releasenotes.txt +++ b/members/arm/android/images/armv8-android-juno-lsk/HOWTO_releasenotes.txt @@ -13,7 +13,7 @@ The release contains Android ARMv8 optimizations for OpenSSL, LibPNG and BIONIC The Android AOSP software provided in this release is functionally tested with CTS version 4.4 and the CTS results are shared with members. The BIONIC component is validated with Android BIONIC tests. Android Monkey tests were run for stress testing. Multi-arch support has been validated using examples provided in Android NDK. -The Linaro Android releases for Juno appear monthly. Sources are also made available so you can build your own images (see the "Building from Source tab":https://releases.linaro.org/14.09/members/arm/android/images/armv8-android-juno-lsk/#tabs-3). +The Linaro Android releases for Juno appear monthly. Sources are also made available so you can build your own images (see the "Building from Source tab":https://releases.linaro.org/14.10/members/arm/android/images/armv8-android-juno-lsk/#tabs-3). h3. Intelligent Power Allocation (IPA) @@ -39,43 +39,6 @@ The latest (v5) posting and discussions can be found at - "http://thread.gmane.org/gmane.linux.power-management.general/47189":http://thread.gmane.org/gmane.linux.power-management.general/47189 -h4. Installing IPA binaries into your 14.09 image - -The IPA section in the "Binary Image Installation tab":https://releases.linaro.org/14.09/members/arm/android/images/armv8-android-juno-lsk#tabs-2 contains instructions on how to overlay a set of IPA binaries onto an existing Linaro Android image for Juno. - -h4. Enabling IPA in your kernel build - -To enable IPA, make sure the following config options are turned on in the kernel build - - -CONFIG_THERMAL_GOV_POWER_ALLOCATOR # Enables power allocator governor -CONFIG_THERMAL_POWER_ACTOR # Enables the power actor interface -CONFIG_THERMAL_POWER_ACTOR_CPU # Enables CPU actor implementation -CONFIG_SCPI_THERMAL # Enables the Juno Platform thermal integration - -CONFIG_DEVFREQ_THERMAL # Enables thermal management for devfreq devices (used by Mali Thermal driver) -CONFIG_MALI_DEVFREQ # Enabled devfreq for Mali -CONFIG_MALI_POWER_ACTOR # Enabled GPU actor implementation - -h4. Code - -The code used to build the Linaro IPA Overlay can be found here: - -* "https://git.linaro.org/landing-teams/working/arm/kernel-release.git/tag/refs/tags/lsk-3.10-armlt-juno-20140924":https://git.linaro.org/landing-teams/working/arm/kernel-release.git/tag/refs/tags/lsk-3.10-armlt-juno-20140924 - -The IPA kernel code can be found in the drivers/thermal folder. The following files contain the bulk of the implementation - - -* power_allocator.c -* power_actor.c -* cpu_actor.c -* scpi-thermal.c - -The GPU IPA kernel code is located with the Mali GPU driver in the drivers/gpu/arm/midgard/ folder. The important files are: - -* mali_kbase_devfreq.c -* mali_kbase_power_actor.c - -The GPU IPA relies on devfreq, and devfreq_cooling. Devfreq is already present upstream and is used in a pretty standard way. Devfreq_cooling was added to be the glue between the power actor and devfreq, see drivers/thermal/devfreq_cooling.c - h3. Linaro Android NDK @@ -107,11 +70,11 @@ h2. About the Linaro Stable Kernel (LSK) The Linaro Stable Kernel (LSK) is produced, validated and released by Linaro and is based on the Linux stable kernel tree. The LSK focuses on quality and stability and is therefore a great foundation for product development. It also includes backports of commonly desired features, provided they meet the quality requirements, and also any bug fixes. -LSK releases appear monthly. Sources are also made available so you can build your own images (see the "'Building from Source'":https://releases.linaro.org/14.09/members/arm/android/images/armv8-android-juno-lsk/#tabs-3 tab). +LSK releases appear monthly. Sources are also made available so you can build your own images (see the "'Building from Source'":https://releases.linaro.org/14.10/members/arm/android/images/armv8-android-juno-lsk/#tabs-3 tab). h2. License -The use of Juno software is subject to the terms of the Juno "End User License Agreement":https://releases.linaro.org/14.09/members/arm/android/images/armv8-android-juno-lsk/#tabs-5. +The use of Juno software is subject to the terms of the Juno "End User License Agreement":https://releases.linaro.org/14.10/members/arm/android/images/armv8-android-juno-lsk/#tabs-5. h2. Support |