Re: [RFC PATCH 0/2] rockchip / devfreq: Coordinate DRAM controller resources between ATF and kernel

[Chanwoo Choi]

Hi Brian,

On 22. 4. 6. 10:48, Brian Norris wrote:
> On Rockchip RK3399, there are a few hardware resources that are shared
> between firmware (ARM Trusted Firmware) and kernel (power domain
> driver) that need to be coordinated properly for DRAM DVFS to work
> reliably. See patch 1 for plenty more description.
>
> These fixes are based in part on the specification in the RK3399, and in
> part based on extrapolation and observation. Any confirmation about the
> behavior of PMU_CRU_GATEDIS_CON0, etc., is welcome.
>
> Otherwise, see the patches.
>
> Regards,
> Brian
>
>
> Brian Norris (2):
>    soc: rockchip: power-domain: Manage resource conflicts with firmware
>    PM / devfreq: rk3399_dmc: Block PMU during transitions
>
>   drivers/devfreq/rk3399_dmc.c      |  13 ++++
>   drivers/soc/rockchip/pm_domains.c | 118 ++++++++++++++++++++++++++++++
>   include/soc/rockchip/pm_domains.h |  25 +++++++
>   3 files changed, 156 insertions(+)
>   create mode 100644 include/soc/rockchip/pm_domains.h

Applied them. with Heiko reviewed-by tag for patch1.

--
Best Regards,
Samsung Electronics
Chanwoo Choi