Re: [ANNOUNCE] updated PM branch

[Koen Kooi <k.kooi@xxxxxxxxxxxxxxxxxx>]

Op 17 dec 2008, om 19:34 heeft Kevin Hilman het volgende geschreven:

> Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx> writes:
>
> > The PM branch has been consolidated and rebased against today's
> > linux-omap HEAD.  I've also included a few patches that were posted  
> > to
> > the list that had fallen through the cracks.
>
> I did a couple minor updates to to the pm branch, and rebased it to
> current HEAD.  The updates include
>
> - more patch consolidation
> - VDD2 patch from Rajendra
> - updated IVA2 reset patch which actually works :)
> - included the GPTIMER12 fixes for Beagle
>
> I also tested on Beagle.  Here are some results when using a minimal
> defconfig (attached) and using an initramfs.  I had to disable MMC and
> USB as they are currently preventing the low-level chip retention:
>
> I tested this on the latest PM branch of linux-omap:
>
> - boot idle: 342 mA
>
> - screen blank: 238 mA
>  # echo 3 > /sys/class/graphics/fb0/blank
>
> - suspend: 85 mA
>  # echo 1 > /sys/power/clocks_off_while_idle
>  # echo mem > /sys/power/state
>
> - sleep-while-idle: 85 mA
>  - this same state as suspend, but happens in idle
>  # echo 1 > /sys/power/sleep_while_idle
>
> This is with current PM branch of linux-omap.  I understand that
> Tomi's new DSS tree has support to turn off the DVI framer which
> should save even more power, but I have not tested that.

Try toggling GPIO 170 manually, current consumption should drop with  
60-80mA.

regards,

Koen

> Kevin
>
> > Reminder: The branch name is 'pm'.  It will continue to be called pm
> > and just be periodially rebased against linux-omap HEAD.
> >
> > Some patchsets that have been submitted, but are still not included:
> >
> > - [PATCH 0/2] Bug fixes for DVFS (Peter)
> >  - waiting for updated patch descriptions
> >
> > - OMAP3: DVFS core patch set (Tero, Paul, Peter)
> >  - waiting for a split
> >
> > - OMAP3: GPIO fixes for off-mode
> >  - waiting for review comments to be addresed
> >
> > Kevin
> >
> >
> > git-shortlog:
> >
> > Carlos Chinea (1):
> >      OMAP3:PM: Update SSI omapdev record
> >
> > Jouni Hogander (6):
> >      OMAP: UART: Add sysfs interface for adjusting UART sleep timeout
> >      OMAP3: PM: Use pwrdm_set_next_pwrst instead of set_pwrdm_state  
> > in idle loop
> >      OMAP3: PM: Fix wrong sequence in suspend.
> >      OMAP3: PM: Do not build suspend code if SUSPEND is not enabled
> >      OMAP: PM: Build fails if PM is not enabled
> >      OMAP2: PM: Fix omap2 build
> >
> > Kalle Jokiniemi (3):
> >      OMAP: PM: sysfs interface for enabling voltage off in idle
> >      OMAP3: PM: Fix cpu idle init sequencing
> >      OMAP: SRF: Fixes to shared resource framework (Ver.3)
> >
> > Kevin Hilman (11):
> >      OMAP3: PM: Add wake-up bit defintiions for CONTROL_PADCONF_X
> >      OMAP3: PM: UART: disable clocks when idle
> >      OMAP3: PM: UART save/restore support for OFF-mode
> >      OMAP3: PM: Force IVA2 into idle during bootup
> >      OMAP3: PM: Add D2D clocks and auto-idle setup to PRCM init
> >      OMAP3: PM: D2D clockdomain supports SW supervised transitions
> >      OMAP3: PM: Ensure modem is reset during PRCM init
> >      OMAP3: PM: CPUidle: obey enable_off_mode flag
> >      OMAP3: PM: CPUidle: restrict C-states on UART activity
> >      OMAP3: PM: decouple PER and CORE context save and restore
> >      OMAP2/3: PM: system_rev -> omap_rev()
> >
> > Paul Walmsley (6):
> >      OMAP2/3 PM: create the OMAP PM interface and add a default  
> > OMAP PM no-op layer.
> >      OMAP2/3 omapdev: add basic omapdev structure
> >      OMAP242x omapdev: add OMAP242x omapdev records
> >      OMAP243x omapdev: add OMAP243x omapdev records
> >      OMAP3xxx omapdev: add OMAP3xxx omapdev records
> >      OMAP2/3 omapdev: add code to walk the omapdev records
> >
> > Peter 'p2' De Schrijver (10):
> >      OMAP: PM counter infrastructure.
> >      OMAP: PM: Hook into PM counters
> >      OMAP: PM: Add closures to clkdm_for_each and pwrdm_for_each.
> >      OMAP: PM: Add pm-debug counters
> >      OMAP: PM debug: make powerdomains use PM-debug counters
> >      OMAP: PM: Add definitions for ETK pads and observability  
> > registers
> >      OMAP: Debug observability and ETK padconf implementation
> >      OMAP: Add debug observablity (debobs) Kconfig item
> >      OMAP: PM: Implement get_last_off_on_transaction_id()
> >      Save sram context after changing MPU, DSP or core clocks
> >
> > Rajendra Nayak (34):
> >      OMAP3: PM: GPMC context save/restore
> >      OMAP3: PM: GPIO context save/restore
> >      OMAP3: PM: I2C context save/restore
> >      OMAP3: PM: INTC context save/restore
> >      OMAP3: PM: PRCM context save/restore
> >      OMAP3: PM: Populate scratchpad contents
> >      OMAP3: PM: SCM context save/restore
> >      OMAP3: PM: SRAM restore function
> >      OMAP3: PM: handle PER/NEON/CORE in idle
> >      OMAP3: PM: Restore MMU table entry
> >      OMAP3: PM: MPU off-mode support
> >      OMAP3: PM: CORE domain off-mode support
> >      OMAP3: PM: allow runtime enable/disable of OFF mode
> >      OMAP3: 3430SDP minimal kernel defconfig
> >      OMAP3: PM: CPUidle: Basic support for C1-C2
> >      OMAP3: PM: CPUidle: Enables state C4
> >      OMAP3: PM: CPUidle: Enables C3 and C5
> >      OMAP3: PM: CPUidle: Safe-state on bm-activity
> >      OMAP3 SRF: Generic shared resource f/w
> >      OMAP3 SRF: MPU/CORE/PD latency modeling
> >      OMAP3 SRF: omap3 srf driver
> >      OMAP3 SRF: OMAP PM srf implementation
> >      OMAP3 SRF: Add CORE rate table param in OMAP-PM
> >      OMAP3 SRF: Add VDD1/VDD2 rate tables for 3430SDP
> >      OMAP3 SRF: Add virt clk nodes for VDD1/VDD2
> >      OMAP3 SRF: Adds OPP/Freq res's in SRF
> >      OMAP3 SRF: Update OMAP-PM layer
> >      OMAP3 SRF: Voltage scaling support
> >      OMAP3 SRF: VDD2 scaling support
> >      OMAP3 SRF: Adds sysfs control for VDD1/VDD2 OPP's
> >      OMAP3 PM: Replace spinlocks with mutex in SRF
> >      OMAP3 PM: CPUFreq driver for OMAP3
> >      OMAP3 PM: Update the min defconfig for 3430sdp
> >      OMAP3 SRF: Fix crash on non-3430SDP platforms with DVFS/CPUFreq
> >
> > Tero Kristo (16):
> >      PM: OMAP3: Make sure clk_disable_unused() order is correct
> >      OMAP: PM debug: do not print out status for meta powerdomains  
> > (dpll*)
> >      OMAP: PM debug: Add PRCM register dump support
> >      OMAP: PM: DMA context save / restore
> >      OMAP: PM: off-mode support for DMA on EMU/HS devices
> >      OMAP3: SRAM size fix for HS/EMU devices
> >      OMAP3 PM: off-mode support for HS/EMU devices
> >      OMAP3: PM: Enable SDRAM auto-refresh during sleep
> >      OMAP: SDRC: Add new register definitions for SDRAM controller
> >      OMAP3: PM: SDRC auto-refresh workaround for off-mode
> >      PM: Added three PLL registers to the PRCM context save
> >      PM: Changed secure RAM storage size from 0x8000 to 0x803F
> >      PM: Added suspend target state control to debugfs for OMAP3
> >      OMAP3: PM: Prevent PER from going OFF when CORE is going INA
> >      PM OMAP3: Change omap3_save_secure_ram to be called only  
> > during init
> >      OMAP3: PM: MPU and CORE should stay awake if there is CAM  
> > domain ACTIVE
>
> <dot.config.beagle-pm>

Attachment: PGP.sig
Description: Dit deel van het bericht is digitaal ondertekend