[PATCH v2 0/7] drm/tegra: Convert to master/component framework

[Thierry Reding]

On Tue, May 13, 2014 at 05:30:43PM +0200, Thierry Reding wrote:
> From: Thierry Reding <treding at nvidia.com>
> 
> Hi,
> 
> This series converts the Tegra DRM driver to the master/component
> framework. The length of the series and the list of people in Cc is
> mostly due to the fact that Tegra has some special requirements as
> opposed to other drivers and therefore requires some changes outside
> of DRM.
> 
> Patch 1 introduces a helper function that can be used by new DRM drivers
> that don't rely on legacy userspace ABIs. It allows them to register DRM
> devices much more easily and without much of the midlayer that currently
> exists in the DRM subsystem.
> 
> Patches 2 and 3 make some changes to the master/component framework
> which are necessary to convert Tegra DRM to use it. All current users of
> the API have been converted as part of this patch. Note that at the same
> time the drivers are converted to no longer use drm_platform_init() in
> favour of the drm_set_unique() from patch 1 in conjunction with
> drm_dev_alloc() and drm_dev_register(). I would've liked to avoid such
> invasive changes in a single patch, but unfortunately I couldn't think
> of a way how to do that. I'm open to suggestions.
> 
> Patch 4 adds a new interface framework that supplements the master/
> component framework and can be used in situations where there is no
> struct device * that a driver can bind to.
> 
> The Tegra DRM driver is converted to using the master/component
> framework in patch 5 using the above four patches.
> 
> Finally patches 6 and 7 add some documentation about the new way of
> registering DRM devices that don't need legacy support.
> 
> Each patch has a somewhat more elaborate description of why it is needed
> or what problem it solves. The patchset applies on top of linux-next.
> 
> I welcome any questions or comments you might have.
> 
> Thierry
> 
> Thierry Reding (7):
>   drm: Introduce drm_set_unique()
>   drivers/base: Allow driver-data to be attached to a master
>   drivers/base: Allow multiple masters per device
>   drivers/base: Add interface framework
>   drm/tegra: Convert to master/component framework
>   drm: Add device registration documentation
>   drm: Document how to register devices without struct drm_bus

Greg, Russell,

Any comments on this? I've been blocking a bunch of patches in the hopes
of getting this merged since it allows the Tegra DRM driver to be
cleaned up a great deal, but if nobody's going to look at or comment on
this I'll abandon this series and keep using the custom solution we've
had for a while now.

Thierry
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