Hi, On Mon, May 20, 2019 at 3:01 PM Matthias Kaehlcke <mka@xxxxxxxxxxxx> wrote: > > mickey crams a lot of hardware into a tiny package, which requires > more aggressive thermal throttling than for devices with a larger > footprint. Configure the GPU thermal zone to throttle the GPU > progressively at temperatures >= 60°C. Heat dissipated by the > CPUs also affects the GPU temperature, hence we cap the CPU > frequency to 1.4 GHz for temperatures above 65°C. Further throttling > of the CPUs may be performed by the CPU thermal zone. > > The configuration matches that of the downstream Chrome OS 3.14 > kernel, the 'official' kernel for mickey. > > Signed-off-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx> > --- > Changes in v2: > - specify all CPUs as cooling devices > - s/downstram/downstream/ in commit message > > Note: this patch depends on "ARM: dts: rockchip: Add #cooling-cells > entry for rk3288 GPU" (https://lore.kernel.org/patchwork/patch/1075005/) > --- > arch/arm/boot/dts/rk3288-veyron-mickey.dts | 67 ++++++++++++++++++++++ > 1 file changed, 67 insertions(+) Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx> _______________________________________________ Linux-rockchip mailing list Linux-rockchip@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-rockchip
