[RFC v2 0/5] Add NVIDIA Tegra DRM support

Thierry Reding thierry.reding at avionic-design.de
Wed Apr 25 05:27:22 PDT 2012

* Thierry Reding wrote:
> This series adds a basic DRM driver for NVIDIA Tegra 2 processors. It
> currently only supports the RGB output and I've successfully tested it
> against the fbcon kernel module and the xf86-video-modesetting driver.
> The code uses the Tegra's IOMMU/GART to remap non-contiguous memory.
> This means that currently video memory is limited to 32 MB, the size of
> the GART aperture.
> Changes in v2:
> - split into several smaller source files
> - represent individual devices in DT
> - add drivers for individual devices
> - EDID probing support via "ddc" property
> - EDID support in DT using binary blobs
> - basic (non-working) HDMI support
> - support for carveout memory in DT
> A lot of the above are really just stub implementations. Most notably
> HDMI support is pretty much a copy of what NVIDIA has in their
> downstream kernels, though I wasn't able to make it work except for the
> EDID probing (I probably missed some pieces). Carveout memory also isn't
> used right now.
> Still this should now be in a state where other people (like Jon and
> Terje from NVIDIA) and Lucas can start contributing. This series is
> based on next-20120424.

I also just finished uploading this series to gitorious:


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