linux-toradex.git/drivers/cpufreq, branch T20_LinuxImageV2.0Beta1_20121218 Linux kernel for Apalis and Colibri modules cpufreq: interactive: Unify Governor Lock Strategy 2012-09-20T13:27:24+00:00 Matt Wagner mwagner@nvidia.com 2012-09-17T23:06:15+00:00 ae934e1ea7243000e399486823508b4a180254b5 Change our locking strategy to be the same as the conservative and ondemand governor for GOV_START and GOV_STOP to allow for correct handling of multiple CPUs Bug 1049258 Change-Id: I15ab620e2f9d47b00ec8186c224eb719b9735aa7 Signed-off-by: Matt Wagner <mwagner@nvidia.com> Reviewed-on: http://git-master/r/133360 Reviewed-by: Satya Popuri <spopuri@nvidia.com> Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Dan Willemsen <dwillemsen@nvidia.com> 
Change our locking strategy to be the same as the conservative
and ondemand governor for GOV_START and GOV_STOP to allow
for correct handling of multiple CPUs

Bug 1049258

Change-Id: I15ab620e2f9d47b00ec8186c224eb719b9735aa7
Signed-off-by: Matt Wagner <mwagner@nvidia.com>
Reviewed-on: http://git-master/r/133360
Reviewed-by: Satya Popuri <spopuri@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Dan Willemsen <dwillemsen@nvidia.com>
cpufreq: interactive: Add Uevent Signal on Gov Start 2012-09-12T00:21:15+00:00 Matt Wagner mwagner@nvidia.com 2012-09-06T18:46:13+00:00 205718b2801464cdb5369b2a6200d077b7d5e96b Sends kobject_uevent signal back to userspace to signal that the cpufreq governor has been set to interactive Bug 1039141 Change-Id: I699e9d5834a1874b36c675764c080112ccba0f9f Signed-off-by: Matt Wagner <mwagner@nvidia.com> Reviewed-on: http://git-master/r/131224 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Dan Willemsen <dwillemsen@nvidia.com> 
Sends kobject_uevent signal back to userspace to signal that
the cpufreq governor has been set to interactive

Bug 1039141

Change-Id: I699e9d5834a1874b36c675764c080112ccba0f9f
Signed-off-by: Matt Wagner <mwagner@nvidia.com>
Reviewed-on: http://git-master/r/131224
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Dan Willemsen <dwillemsen@nvidia.com>
ARM: Tegra: Added support to run at two frequency modes 2012-08-02T00:39:25+00:00 Xiao Bo Zhao xiaoboz@nvidia.com 2012-06-29T19:46:11+00:00 9046d52e1aeec6bb5f133426733bf77b71f10118 CPU clock is now capped at an normal frequency that is below its maximum and allowed to run at a high frequency only once within a period of time. By default the delay is set to 5*DOWN_DELAY, allowing a maximum of 20% high frequency time. Sysfs knobs were also added that allows userspace tuning Bug 1003531 Change-Id: Ie4a0e565630187bdacd6f31b1f35778eb31bfc81 Signed-off-by: Xiao Bo Zhao <xiaoboz@nvidia.com> Reviewed-on: http://git-master/r/118163 Reviewed-by: Peter Boonstoppel <pboonstoppel@nvidia.com> Reviewed-by: Diwakar Tundlam <dtundlam@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com> 
CPU clock is now capped at an normal frequency that is below
its maximum and allowed to run at a high frequency
only once within a period of time. By default the delay is set to
5*DOWN_DELAY, allowing a maximum of 20% high frequency time.

Sysfs knobs were also added that allows userspace tuning

Bug 1003531

Change-Id: Ie4a0e565630187bdacd6f31b1f35778eb31bfc81
Signed-off-by: Xiao Bo Zhao <xiaoboz@nvidia.com>
Reviewed-on: http://git-master/r/118163
Reviewed-by: Peter Boonstoppel <pboonstoppel@nvidia.com>
Reviewed-by: Diwakar Tundlam <dtundlam@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
cpufreq: interactive: clean up sysfs declarations 2012-07-20T23:48:14+00:00 Ilan Aelion iaelion@nvidia.com 2012-07-02T18:27:45+00:00 4de320ac63d36c7a6821ebb5b9a967dc12ce925d Cosmetics: introducing a macro to define unsigned long sysfs nodes. Change-Id: I594a527dc977437405167237e8d5ac6d3a3167d2 Signed-off-by: Ilan Aelion <iaelion@nvidia.com> Reviewed-on: http://git-master/r/113020 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Matthew Longnecker <mlongnecker@nvidia.com> Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com> 
Cosmetics: introducing a macro to define unsigned long sysfs nodes.

Change-Id: I594a527dc977437405167237e8d5ac6d3a3167d2
Signed-off-by: Ilan Aelion <iaelion@nvidia.com>
Reviewed-on: http://git-master/r/113020
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Matthew Longnecker <mlongnecker@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
cpufreq: protect cpufreq_stats_free_table with spinlock 2012-07-17T03:13:37+00:00 Peter Boonstoppel pboonstoppel@nvidia.com 2012-03-02T00:04:27+00:00 8c813763e8fe5928cbd7babbee4d5080ba4bb9d5 Prevents crash on cpufreq_stat_notifier_trans when cpufreq_stats_table has been freed due to a core being hotplugged out. Bug 948348 Change-Id: I2640a9a23c9a79cad8c76bfefd243a07162d2004 Signed-off-by: Peter Boonstoppel <pboonstoppel@nvidia.com> (cherry picked from commit 03070a4b0b8eb74825c99c6bbfb108ddb36a041c) Reviewed-on: http://git-master/r/114248 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com> 
Prevents crash on cpufreq_stat_notifier_trans when cpufreq_stats_table
has been freed due to a core being hotplugged out.

Bug 948348

Change-Id: I2640a9a23c9a79cad8c76bfefd243a07162d2004
Signed-off-by: Peter Boonstoppel <pboonstoppel@nvidia.com>
(cherry picked from commit 03070a4b0b8eb74825c99c6bbfb108ddb36a041c)
Reviewed-on: http://git-master/r/114248
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
cpufreq: Protected access of policy attribute 2012-07-13T21:44:57+00:00 Puneet Saxena puneets@nvidia.com 2012-06-07T13:49:59+00:00 ca7d8fa1906d2f2a2c311d337a14b328ed13c414 It takes read RW semaphore to access policy governor bug 997731 Change-Id: Ibdc3dd54cf6076c0fef4bc58f144e4bcb4631d76 Signed-off-by: Puneet Saxena <puneets@nvidia.com> Reviewed-on: http://git-master/r/107079 GVS: Gerrit_Virtual_Submit Reviewed-by: Sang-Hun Lee <sanlee@nvidia.com> Reviewed-by: Peter Boonstoppel <pboonstoppel@nvidia.com> Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com> 
It takes read RW semaphore to access policy governor

bug 997731

Change-Id: Ibdc3dd54cf6076c0fef4bc58f144e4bcb4631d76
Signed-off-by: Puneet Saxena <puneets@nvidia.com>
Reviewed-on: http://git-master/r/107079
GVS: Gerrit_Virtual_Submit
Reviewed-by: Sang-Hun Lee <sanlee@nvidia.com>
Reviewed-by: Peter Boonstoppel <pboonstoppel@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
cpufreq: mid-range frequency bias 2012-07-06T16:48:09+00:00 satya popuri spopuri@nvidia.com 2012-06-22T16:38:26+00:00 7d8a8d73ca38d663675ba0c56dde51c4a95be9bd Restrict go_maxspeed_load and max_boost at mid-range frequencies. Change-Id: I9e3c59bbe708b428e12ce4dbef2144be09751d5a Signed-off-by: satya popuri <spopuri@nvidia.com> Reviewed-on: http://git-master/r/111754 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Karthikeyan Samynathan <ksamynathan@nvidia.com> Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com> Reviewed-by: Aleksandr Frid <afrid@nvidia.com> Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com> 
Restrict go_maxspeed_load and max_boost at mid-range frequencies.

Change-Id: I9e3c59bbe708b428e12ce4dbef2144be09751d5a
Signed-off-by: satya popuri <spopuri@nvidia.com>
Reviewed-on: http://git-master/r/111754
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Karthikeyan Samynathan <ksamynathan@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Reviewed-by: Aleksandr Frid <afrid@nvidia.com>
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
cpufreq: fix memory leak with sysfs when stats table are freed 2012-07-03T22:09:23+00:00 Shaoming Feng shaomingf@nvidia.com 2012-06-29T02:05:06+00:00 6c8a3881e7df8e19d7150f67132eded144600d2a bug 1001593 Change-Id: Ib1bf525e5c4c7ed633073a3d0b990703840dad77 Signed-off-by: Shaoming Feng <shaomingf@nvidia.com> Reviewed-on: http://git-master/r/112025 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Peter Boonstoppel <pboonstoppel@nvidia.com> Reviewed-by: Prajakta Gudadhe <pgudadhe@nvidia.com> 
bug 1001593

Change-Id: Ib1bf525e5c4c7ed633073a3d0b990703840dad77
Signed-off-by: Shaoming Feng <shaomingf@nvidia.com>
Reviewed-on: http://git-master/r/112025
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Peter Boonstoppel <pboonstoppel@nvidia.com>
Reviewed-by: Prajakta Gudadhe <pgudadhe@nvidia.com>
cpufreq: Don't clip PM QoS requests to old policy limits 2012-05-17T11:26:40+00:00 Alex Frid afrid@nvidia.com 2012-05-15T04:06:11+00:00 30ea6f3571852533737e412b5f7786fdac8b6c9f Clipping PM QoS requests to combined old policy limits that include both PM QoS and user policy requests creates a circular dependency. As a result new PM QoS maximum limit is rejected if it is above previous PM QoS minimum limit even though the new PM QoS minimum limit has been already lowered below new PM QoS maximum limit. Instead clip PM QoS request to the old user policy limits only. Change-Id: Ice0a53a699e0798f07f0e32d6b8a28586fe5db0c Signed-off-by: Alex Frid <afrid@nvidia.com> Reviewed-on: http://git-master/r/102386 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Donghan Ryu <dryu@nvidia.com> Reviewed-by: Antti Miettinen <amiettinen@nvidia.com> Reviewed-by: Diwakar Tundlam <dtundlam@nvidia.com> Tested-by: Vikas Ramesh Kedigehalli <vikasr@nvidia.com> 
Clipping PM QoS requests to combined old policy limits that include
both PM QoS and user policy requests creates a circular dependency.
As a result new PM QoS maximum limit is rejected if it is above
previous PM QoS minimum limit even though the new PM QoS minimum
limit has been already lowered below new PM QoS maximum limit.

Instead clip PM QoS request to the old user policy limits only.

Change-Id: Ice0a53a699e0798f07f0e32d6b8a28586fe5db0c
Signed-off-by: Alex Frid <afrid@nvidia.com>
Reviewed-on: http://git-master/r/102386
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Donghan Ryu <dryu@nvidia.com>
Reviewed-by: Antti Miettinen <amiettinen@nvidia.com>
Reviewed-by: Diwakar Tundlam <dtundlam@nvidia.com>
Tested-by: Vikas Ramesh Kedigehalli <vikasr@nvidia.com>
cpufreq: interface for setting governor for a cpu 2012-05-08T19:05:09+00:00 Puneet Saxena puneets@nvidia.com 2012-04-19T07:02:29+00:00 b9fc8ec53818c14c6917a5a358de076a3dc47cd1 This implementation sets governor for a cpu using existing cpufreq interfaces. bug 871958 Change-Id: Ic4e7e2a2b0babaf1829b559b5db211666d449b86 Signed-off-by: Puneet Saxena <puneets@nvidia.com> Reviewed-on: http://git-master/r/97939 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com> 
This implementation sets governor for a cpu using existing
cpufreq interfaces.

bug 871958

Change-Id: Ic4e7e2a2b0babaf1829b559b5db211666d449b86
Signed-off-by: Puneet Saxena <puneets@nvidia.com>
Reviewed-on: http://git-master/r/97939
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>