Re: [PATCH] drm/panfrost: Enable devfreq to work without regulator
From: Rob Herring
Date: Mon Aug 19 2019 - 12:57:25 EST
On Fri, Aug 16, 2019 at 4:31 AM Steven Price <steven.price@xxxxxxx> wrote:
> If there is no regulator defined for the GPU then still control the
> frequency using the supplied clock.
> Some boards have clock control but no (direct) control of the regulator.
> For example the HiKey960 uses a mailbox protocol to a MCU to control
> frequencies and doesn't directly control the voltage. This patch allows
> frequency control of the GPU on this system.
> Signed-off-by: Steven Price <steven.price@xxxxxxx>
> drivers/gpu/drm/panfrost/panfrost_devfreq.c | 7 ++-----
> 1 file changed, 2 insertions(+), 5 deletions(-)