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Groups > linux.kernel > #1309995
| From | Jon Hunter <jonathanh@nvidia.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH V4 09/16] soc: tegra: pmc: Ensure partitions can be toggled on/off by PMC |
| Date | 2016-01-15 10:40 +0100 |
| Message-ID | <qR91o-49P-21@gated-at.bofh.it> (permalink) |
| References | <qC09H-4m0-3@gated-at.bofh.it> <qC09H-4m0-1@gated-at.bofh.it> <qQQUO-8fS-17@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 14/01/16 14:14, Thierry Reding wrote: > * PGP Signed by an unknown key > > On Fri, Dec 04, 2015 at 02:57:10PM +0000, Jon Hunter wrote: >> For Tegra124 and Tegra210, the GPU partition cannot be toggled on and off >> via the APBDEV_PMC_PWRGATE_TOGGLE_0 register. For these devices, the >> partition is simply powered up and down via an external regulator. >> Describe in the PMC SoC data in which devices the GPU partition can be >> controlled via the APBDEV_PMC_PWRGATE_TOGGLE_0 register and ensure that >> no one can incorrectly try to toggle the GPU partition via the >> APBDEV_PMC_PWRGATE_TOGGLE_0 register. >> >> Signed-off-by: Jon Hunter <jonathanh@nvidia.com> >> --- >> drivers/soc/tegra/pmc.c | 11 +++++++++++ >> 1 file changed, 11 insertions(+) > > The TRM doesn't mention anything like this. Will this be updated in the > TRM as well? For T210, I have requested that the partitions are updated. Looks like the powergate sequencing information for T210 is still missing from the TRM. I can request that this is added. I will make a note for T124 as well as it is missing. Cheers Jon
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Re: [PATCH V4 09/16] soc: tegra: pmc: Ensure partitions can be toggled on/off by PMC Thierry Reding <thierry.reding@gmail.com> - 2016-01-14 15:20 +0100 Re: [PATCH V4 09/16] soc: tegra: pmc: Ensure partitions can be toggled on/off by PMC Jon Hunter <jonathanh@nvidia.com> - 2016-01-15 10:40 +0100
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