On Wed, Oct 22, 2025 at 05:26:04PM +0800, Rain Yang wrote: > From: Rain Yang <[email protected]> > > Some platforms, such as i.MX95, utilize multiple power domains that need > to be attached explicitly. This patch ensures that the driver properly > attaches all available power domains using devm_pm_domain_attach_list(). > > Suggested-by: Boris Brezillon <[email protected]> > Suggested-by: Steven Price <[email protected]> > Signed-off-by: Prabhu Sundararaj <[email protected]> > Signed-off-by: Rain Yang <[email protected]>
Reviewed-by: Liviu Dudau <[email protected]> Best regards, Liviu > --- > drivers/gpu/drm/panthor/panthor_device.c | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) > > diff --git a/drivers/gpu/drm/panthor/panthor_device.c > b/drivers/gpu/drm/panthor/panthor_device.c > index f0b2da5b2b96..c39b9812eaa7 100644 > --- a/drivers/gpu/drm/panthor/panthor_device.c > +++ b/drivers/gpu/drm/panthor/panthor_device.c > @@ -64,6 +64,16 @@ static int panthor_clk_init(struct panthor_device *ptdev) > return 0; > } > > +static int panthor_init_power(struct device *dev) > +{ > + struct dev_pm_domain_list *pd_list = NULL; > + > + if (dev->pm_domain) > + return 0; > + > + return devm_pm_domain_attach_list(dev, NULL, &pd_list); > +} > + > void panthor_device_unplug(struct panthor_device *ptdev) > { > /* This function can be called from two different path: the reset work > @@ -218,6 +228,12 @@ int panthor_device_init(struct panthor_device *ptdev) > if (ret) > return ret; > > + ret = panthor_init_power(ptdev->base.dev); > + if (ret < 0) { > + drm_err(&ptdev->base, "init power domains failed, ret=%d", ret); > + return ret; > + } > + > ret = panthor_devfreq_init(ptdev); > if (ret) > return ret; > -- > 2.39.5 > -- ==================== | I would like to | | fix the world, | | but they're not | | giving me the | \ source code! / --------------- ¯\_(ツ)_/¯
