[PATCH v10 09/19] PM / devfreq: tegra30: Support interconnect and OPPs from device-tree

Chanwoo Choi cw00.choi at samsung.com
Mon Nov 23 07:02:17 UTC 2020


Hi Dmitry,

On 11/23/20 9:27 AM, Dmitry Osipenko wrote:
> This patch moves ACTMON driver away from generating OPP table by itself,
> transitioning it to use the table which comes from device-tree. This
> change breaks compatibility with older device-trees and brings support
> for the interconnect framework to the driver. This is a mandatory change
> which needs to be done in order to implement interconnect-based memory
> DVFS, i.e. device-trees need to be updated. Now ACTMON issues a memory
> bandwidth requests using dev_pm_opp_set_bw() instead of driving EMC clock
> rate directly.
> 
> Tested-by: Peter Geis <pgwipeout at gmail.com>
> Tested-by: Nicolas Chauvet <kwizart at gmail.com>
> Acked-by: Chanwoo Choi <cw00.choi at samsung.com>
> Signed-off-by: Dmitry Osipenko <digetx at gmail.com>
> ---
>  drivers/devfreq/tegra30-devfreq.c | 79 +++++++++++++++----------------
>  1 file changed, 37 insertions(+), 42 deletions(-)
> 

(snip)

When the patches related to icc are merged, I'll merge patch9/10.
Thanks for your work.

-- 
Best Regards,
Chanwoo Choi
Samsung Electronics


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