This patch series is the final (?) step towards the initial support of GK20A, allowing it to be probed and used (currently at a very slow speed, and for offscreen rendering only) on the Jetson TK1 and Venice 2 boards.
The main piece if the first patch which adds platform devices probing support to Nouveau. There are probably lots of things that need to be discussed about it, e.g.:
* The way the DRM device is created, especially with respect to the ongoing changes to the DRM framework, * The fact that the same drm_driver instance is used for the PCI and platform drivers, * Whether we should have only one platform driver capable of probing all platform devices, or one driver per GPU (in this case, where should all these drivers reside?)
So there are still some rough edges, but we are getting there. :)
The first patch should go through the Nouveau tree, while the 4 others are rather intended for Tegra.
Alexandre Courbot (3): drm/nouveau: support for probing platform devices ARM: tegra: of: add GK20A device tree binding ARM: tegra: jetson-tk1: enable GK20A GPU
Thierry Reding (2): ARM: tegra: add GK20A GPU to Tegra124 DT ARM: tegra: venice2: enable GK20A GPU
.../devicetree/bindings/gpu/nvidia,gk20a.txt | 45 +++++ arch/arm/boot/dts/tegra124-jetson-tk1.dts | 8 +- arch/arm/boot/dts/tegra124-venice2.dts | 8 +- arch/arm/boot/dts/tegra124.dtsi | 15 ++ drivers/gpu/drm/nouveau/Kconfig | 8 + drivers/gpu/drm/nouveau/Makefile | 3 + drivers/gpu/drm/nouveau/nouveau_drm.c | 33 ++-- drivers/gpu/drm/nouveau/nouveau_drm.h | 21 +++ drivers/gpu/drm/nouveau/nouveau_platform.c | 191 +++++++++++++++++++++ 9 files changed, 315 insertions(+), 17 deletions(-) create mode 100644 Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt create mode 100644 drivers/gpu/drm/nouveau/nouveau_platform.c