Hi, On Mon, May 20, 2019 at 3:01 PM Matthias Kaehlcke <mka@xxxxxxxxxxxx> wrote: > > On rk3288 the CPU and GPU temperatures are correlated. Limit the GPU > frequency on veyron mickey to 400 MHz for CPU temperatures >= 65°C > and to 300 MHz for CPU temperatures >= 85°C. > > This matches the configuration of the downstream Chrome OS 3.14 kernel, > the 'official' kernel for mickey. > > Signed-off-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx> > --- > Changes in v2: > - added 'cpu_warm_limit_gpu' to throttle GPU for T.cpu >= 65°C > - removed comment saying that GPU isn't throttled beyond 400 MHz > based on CPU temperature > - updated 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 | 14 +++++++++++--- > 1 file changed, 11 insertions(+), 3 deletions(-) Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
