[PATCH RFC v1 00/52] drm/crtc: Rename struct drm_crtc::dev to drm_dev

Javier Martinez Canillas javierm at redhat.com
Wed Jul 12 04:18:14 PDT 2023


Uwe Kleine-König <u.kleine-koenig at pengutronix.de> writes:

[dropping some recipients since my SMTP server was complaining about the size]

> Hello Thomas,
>
> On Wed, Jul 12, 2023 at 12:19:37PM +0200, Thomas Zimmermann wrote:
>> Am 12.07.23 um 11:46 schrieb Uwe Kleine-König:
>> > Hello,
>> > 
>> > while I debugged an issue in the imx-lcdc driver I was constantly
>> > irritated about struct drm_device pointer variables being named "dev"
>> > because with that name I usually expect a struct device pointer.
>> > 
>> > I think there is a big benefit when these are all renamed to "drm_dev".
>> 
>> If you rename drm_crtc.dev, you should also address *all* other data
>> structures.
>
> Yes. Changing drm_crtc::dev was some effort, so I thought to send that
> one out before doing the same to
>
> 	drm_dp_mst_topology_mgr
> 	drm_atomic_state
> 	drm_master
> 	drm_bridge
> 	drm_client_dev
> 	drm_connector
> 	drm_debugfs_entry
> 	drm_encoder
> 	drm_fb_helper
> 	drm_minor
> 	drm_framebuffer
> 	drm_gem_object
> 	drm_plane
> 	drm_property
> 	drm_property_blob
> 	drm_vblank_crtc
>
> when in the end the intention isn't welcome.
>
>> > I have no strong preference here though, so "drmdev" or "drm" are fine
>> > for me, too. Let the bikesheding begin!
>> 
>> We've discussed this to death. IIRC 'drm' would be the prefered choice.
>
> "drm" at least has the advantage to be the 2nd most common name. With
> Paul Kocialkowski prefering "drm_dev" there is no clear favourite yet.

I think that either "drm" or "drm_dev" would be more clear than "dev",
which I also found it confusing and thinking about a "struct device".

Probably leaning to "drm", since as you said is the second most used name
in drivers that assign crtc->dev to a local variable.

> Maybe all the other people with strong opinions are dead if this was
> "discussed to death" before? :-)
>
> Best regards
> Uwe
>
> -- 
> Pengutronix e.K.                           | Uwe Kleine-König            |
> Industrial Linux Solutions                 | https://www.pengutronix.de/ |

-- 
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat




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