On Tue, May 13, 2014 at 05:30:43PM +0200, Thierry Reding wrote: > From: Thierry Reding <treding@xxxxxxxxxx> > > 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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