[PATCH v3 0/3] drm/nouveau: support for probing platform devices

Alexandre Courbot gnurou at gmail.com
Wed Jul 2 02:09:03 PDT 2014


On Thu, Jun 26, 2014 at 2:33 PM, Alexandre Courbot <acourbot at nvidia.com> wrote:
> This series adds support for probing platform devices on Nouveau, as well as
> the DT bindings for GK20A. It doesn't enable the GPU yet on Tegra boards since
> a few extra things need to be supported before that.
>
> This version is mostly identical to v2 but fixes an important issue: the drvdata
> must be set to the drm_device for sysfs to work, so the platform device
> structure now includes the nouveau_device flattened into it to let us compute
> the address of one from the other. Since the platform device resources (clocks,
> regulators, ...) need to live longer than the nouveau_device, they are stored
> into their own structure which is allocated separately.
>
> Changes since v2:
> * Allocate the nouveau_device flattened into the nouveau_platform_device to
>   be able to compute one from another easily, without having to ressort on the
>   drvdata which is required to store the drm_device.
> * Only propose the platform driver if a supported arch (Tegra for now) is
>   enabled.
> * Move structure definitions into their own header file as some subdevs (e.g.
>   clocks) will need to use them.
>
> Changes since v1:
> * Moved the platform device driver to its own module. This allows it to be more
>   self-contained and saves us the need to export too many functions from
>   nouveau_drm and nouveau_platform.
> * Register the DRM device without using the platform helpers, which is made
>   possible by drm_dev_set_unique(). This allows us to catch and register the
>   DRM device during platform probe.
> * Fixed the clock names in the DT bindings.
> * Removed the patches enabling GK20A on Venice2 and Jetson TK1 as support
>   is not complete yet.

Stephen, Thierry,

Ben has merged the first patch of this series into the Nouveau tree.
Could you get patches 2 and 3 through the Tegra tree? Thanks!


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