Re: [PATCH v3 12/14] drm/rockchip: vop2: Add debugfs support

[Sascha Hauer <sha@pengutronix.de>]

On Wed, Dec 06, 2023 at 06:20:58PM +0800, Andy Yan wrote:
> Hi Sascha:
> 
> > > +	unsigned int n = vop2->data->regs_dump_size;
> > 
> > 'n' is used only once, it might be clearer just to use the value where
> > needed and drop the extra variable.
> 
> Okay, will do.
> > 
> > > +	unsigned int i;
> > > +
> > > +	drm_modeset_lock_all(drm_dev);
> > > +
> > > +	if (vop2->enable_count) {
> > > +		for (i = 0; i < n; i++) {
> > > +			dump = &vop2->data->regs_dump[i];
> > > +			vop2_regs_print(vop2, s, dump, false);
> > > +		}
> > > +	} else {
> > > +		seq_printf(s, "VOP disabled:\n");
> > 
> > There's nothing following after the ':', right? Then this should be
> > "VOP: disabled\n" or without the colon at all.
> 
> the colon will be droped in next versin.
> 
> > 
> > > +	}
> > > +	drm_modeset_unlock_all(drm_dev);
> > 
> > This code is repeated in vop2_active_regs_show() below. Maybe factor
> > this out to a common function?
> > 
> 
> 
> Do you mean all the code between drm_modeset_lock_all and drm_modeset_unlock_all ?

Including drm_modeset_lock_all() and drm_modeset_unlock_all(), yes.

Sascha

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