[RFC v2 1/4] drm/i915/display: add support for DMC wakelocks

[Coelho, Luciano]

On Tue, 2024-01-16 at 14:28 +0200, Jani Nikula wrote:
> On Thu, 11 Jan 2024, Luca Coelho <luciano.coelho at intel.com> wrote:
> > diff --git a/drivers/gpu/drm/i915/display/intel_wakelock.h b/drivers/gpu/drm/i915/display/intel_wakelock.h
> > new file mode 100644
> > index 000000000000..a47205e1ea32
> > --- /dev/null
> > +++ b/drivers/gpu/drm/i915/display/intel_wakelock.h
> > @@ -0,0 +1,34 @@
> > +/* SPDX-License-Identifier: MIT */
> > +/*
> > + * Copyright (C) 2023 Intel Corporation
> > + */
> > +
> > +#ifndef __INTEL_WAKELOCK_H__
> > +#define __INTEL_WAKELOCK_H__
> > +
> > +#include <linux/types.h>
> > +#include <linux/workqueue.h>
> > +#include <linux/refcount.h>
> > +
> > +#include "i915_reg_defs.h"
> > +
> > +struct drm_i915_private;
> > +
> > +struct intel_display_wl {
> > +	spinlock_t lock;
> > +	bool enabled;
> > +	refcount_t refcount;
> > +	struct delayed_work work;
> > +};
> > +
> > +struct intel_display_wl_range {
> > +	u32 start;
> > +	u32 end;
> > +};
> > +
> > +void intel_display_wl_init(struct drm_i915_private *i915);
> > +void intel_display_wl_enable(struct drm_i915_private *i915);
> > +void intel_display_wl_get(struct drm_i915_private *i915, i915_reg_t reg);
> > +void intel_display_wl_put(struct drm_i915_private *i915, i915_reg_t reg);
> 
> Nitpick, I'll want the name prefix to match the filename,
> i.e. intel_foo.[ch] have functions named intel_foo_*.

Okay, so intel_wakelock_*(), specifically in this case?

I can also rename the file to intel_wl.[ch] if we want to save
horizontal real estate, in which case the function names would be
intel_wl_*(), right?

Thanks!

--
Cheers,
Luca.