Messages in this thread | | | Date | Sun, 20 Feb 2011 20:23:20 -0800 | Subject | Re: [PATCH v2 18/21] ARM: tegra: cpufreq: Adjust memory frequency with cpu frequency | From | Olof Johansson <> |
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On Sat, Feb 19, 2011 at 2:26 PM, Colin Cross <ccross@android.com> wrote: > Signed-off-by: Colin Cross <ccross@android.com>
Patch description please. Besides that:
Acked-by: Olof Johansson <olof@lixom.net>
But note for future work:
> + /* > + * Vote on memory bus frequency based on cpu frequency > + * This sets the minimum frequency, display or avp may request higher > + */ > + if (rate >= 816000) > + clk_set_rate(emc_clk, 600000000); /* cpu 816 MHz, emc max */ > + else if (rate >= 456000) > + clk_set_rate(emc_clk, 300000000); /* cpu 456 MHz, emc 150Mhz */ > + else > + clk_set_rate(emc_clk, 100000000); /* emc 50Mhz */ > +
This hardcodes frequencies that might or might not be used on some systems and some parts. So it'll need to be revisited when enabling other configurations.
-Olof -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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