RE: [PATCH 0/3] DSPBRIDGE DVFS and Off mode support for bridgedriver

["Nayak, Rajendra" <rnayak@ti.com>]

> -----Original Message-----
> From: linux-omap-owner@vger.kernel.org 
> [mailto:linux-omap-owner@vger.kernel.org] On Behalf Of Gupta, Ramesh
> Sent: Thursday, February 12, 2009 6:41 AM
> To: linux-omap@vger.kernel.org
> Subject: [PATCH 0/3] DSPBRIDGE DVFS and Off mode support for 
> bridgedriver
> 
> All,
> 
> The patch set provides DVFS and offmode support for bridgedriver.
> These patches to be applied on top of the pm branch. Currently 
> Some times we have observed issues like MMU fault and DSP 
> Reset on setting VDD1 to OPP1.
> 
> Looks like the drop in voltage to DSP core causing the issue. 
> With a slight increase in VDD1 voltage level for OPP1 [patch 
> 3/3] solving the issue, We are investigating further into this.

Ramesh,

The latest operating condition addendum for 3430 specifies VDD1 OPP1 voltage
to be .975 and OPP2 to be 1.05. Same for VDD2. Rest OPP's remain 
the same. I will send a patch on PM branch to update this and that sould
solve your problem.

regards,
Rajendra
 
> 
> [PATCH 1/3]DSPBRIDGE-Offmode-and-DVFS-Support.patch
> [PATCH 2/3]DSPBRIDGE-DVFS-and-OFF-mode-support-with-OPP2.patch
> [PATCH 3/3]Boosting-OPP1-voltage-level.patch
> 
> 
> Signed-off-by: Ramesh Gupta G <grgupta@ti.com>
> ---
>  arch/arm/plat-omap/include/dspbridge/cfgdefs.h |    2 +
>  arch/arm/plat-omap/include/dspbridge/drv.h     |    6 +
>  drivers/dsp/bridge/Kbuild                      |    3 +-
>  drivers/dsp/bridge/rmgr/drv.c                  |   11 +-
>  drivers/dsp/bridge/rmgr/drv_interface.c        |    5 +-
>  drivers/dsp/bridge/rmgr/node.c                 |   37 ++--
>  drivers/dsp/bridge/rmgr/proc.c                 |   48 ++--
>  drivers/dsp/bridge/wmd/_tiomap_pwr.h           |    6 +
>  drivers/dsp/bridge/wmd/io_sm.c                 |  339 
> +++++++++++++-----------
>  drivers/dsp/bridge/wmd/tiomap3430.c            |  150 +++++++----
>  drivers/dsp/bridge/wmd/tiomap3430_pwr.c        |  225 
> +++++++++++++++--
>  drivers/dsp/bridge/wmd/tiomap_sm.c             |   51 ++--
>  12 files changed, 590 insertions(+), 293 deletions(-)
> 
> 
> Please let me know your comments.
> 
> Thanks & regards
> Ramesh Gupta G
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