This website requires JavaScript.
Explore
Help
Sign in
evie
/
android_kernel_oneplus_msm8998
Watch
1
Star
0
Fork
You've already forked android_kernel_oneplus_msm8998
0
Code
Issues
Pull requests
Projects
Releases
Packages
Wiki
Activity
Actions
0dd61be7ec
android_kernel_oneplus_msm8998
/
arch
/
ia64
/
kernel
/
cpufreq
/
Makefile
3 lines
52 B
Makefile
Raw
Normal View
History
Unescape
Escape
[IA64] Add ACPI based P-state support Patch to support P-state transitions on ia64. This driver is based on ACPI, and uses the ACPI processor driver interface to find out the P-state support information for the processor. This driver plugs into generic cpufreq infrastructure. Once this driver is loaded successfully, ondemand/userspace governor can be used to change the CPU frequency dynamically based on load or on request from userspace process. Refer : ACPI specification - http://www.acpi.info P-state related PAL calls - http://developer.intel.com/design/itanium/downloads/24869909.pdf Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2005-07-29 16:15:00 -07:00
obj-$(CONFIG_IA64_ACPI_CPUFREQ)
+=
acpi-cpufreq.o
[ACPI] Avoid BIOS inflicted crashes by evaluating _PDC only once Linux invokes the AML _PDC method (Processor Driver Capabilities) to tell the BIOS what features it can handle. While the ACPI spec says nothing about the OS invoking _PDC multiple times, doing so with changing bits seems to hopelessly confuse the BIOS on multiple platforms up to and including crashing the system. Factor out the _PDC invocation so Linux invokes it only once. http://bugzilla.kernel.org/show_bug.cgi?id=5483 Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2005-10-23 16:31:00 -04:00
Reference in a new issue
Copy permalink