linux-kernel - Re: [PATCH] drm/komeda: Add ACLK rate to sysfs

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Date:   Tue, 3 Sep 2019 13:46:02 +0000
From:   Ayan Halder <Ayan.Halder@....com>
To:     "james qian wang (Arm Technology China)" <james.qian.wang@....com>
CC:     Mihail Atanassov <Mihail.Atanassov@....com>,
        David Airlie <airlied@...ux.ie>,
        Liviu Dudau <Liviu.Dudau@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        nd <nd@....com>
Subject: Re: [PATCH] drm/komeda: Add ACLK rate to sysfs

On Wed, Aug 28, 2019 at 02:15:15PM +0000, james qian wang (Arm Technology China) wrote:
> Hi Mihail:
> 
> Looks good to me.
> 
> Reviewed-by: James Qian Wang (Arm Technology China) <james.qian.wang@....com>
>
Pushed to drm-misc-next  5fcd055193c5d4cac6d205bd65e52c957ea057c2
And that verifies my new dim setup. :)
> James.
> 
> On Wed, Aug 28, 2019 at 11:03:49AM +0000, Mihail Atanassov wrote:
> > Expose node with the name 'aclk_hz'
> > 
> > Signed-off-by: Mihail Atanassov <mihail.atanassov@....com>
> > ---
> >  drivers/gpu/drm/arm/display/komeda/komeda_dev.c | 10 ++++++++++
> >  1 file changed, 10 insertions(+)
> > 
> > diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c b/drivers/gpu/drm/arm/display/komeda/komeda_dev.c
> > index 0142ee991957..e8d67395a3b9 100644
> > --- a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c
> > +++ b/drivers/gpu/drm/arm/display/komeda/komeda_dev.c
> > @@ -91,9 +91,19 @@ config_id_show(struct device *dev, struct device_attribute *attr, char *buf)
> >  }
> >  static DEVICE_ATTR_RO(config_id);
> >  
> > +static ssize_t
> > +aclk_hz_show(struct device *dev, struct device_attribute *attr, char *buf)
> > +{
> > +	struct komeda_dev *mdev = dev_to_mdev(dev);
> > +
> > +	return snprintf(buf, PAGE_SIZE, "%lu\n", clk_get_rate(mdev->aclk));
> > +}
> > +static DEVICE_ATTR_RO(aclk_hz);
> > +
> >  static struct attribute *komeda_sysfs_entries[] = {
> >  	&dev_attr_core_id.attr,
> >  	&dev_attr_config_id.attr,
> > +	&dev_attr_aclk_hz.attr,
> >  	NULL,
> >  };
> >  
> > -- 
> > 2.22.0
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

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