Hi, On Wed, Apr 15, 2020 at 10:35:07AM +0200, H. Nikolaus Schaller wrote: > * rebased to v5.7-rc1 > * added DTS for for a31, a31s, a83t - by Philipp Rossak <embed3d@xxxxxxxxx> > * added DTS for "samsung,s5pv210-sgx540-120" - by Jonathan Bakker <xc-racer2@xxxxxxx> > * bindings.yaml fixes: > - added a31, a31 > - fixes for omap4470 > - jz4780 contains an sgx540-130 and not -120 > - a83t contains an sgx544-115 and not -116 > - removed "additionalProperties: false" because some SoC may need additional properties > > PATCH V5 2020-03-29 19:38:32: > * reworked YAML bindings to pass dt_binding_check and be better grouped > * rename all nodes to "gpu: gpu@<address>" > * removed "img,sgx5" from example - suggested by Rob Herring <robh+dt@xxxxxxxxxx> > > PATCH V4 2019-12-17 19:02:11: > * MIPS: DTS: jz4780: removed "img,sgx5" from bindings > * YAML bindings: updated according to suggestions by Rob Herring > * MIPS: DTS: jz4780: insert-sorted gpu node by register address - suggested by Paul Cercueil > > PATCH V3 2019-11-24 12:40:33: > * reworked YAML format with help by Rob Herring > * removed .txt binding document > * change compatible "ti,am335x-sgx" to "ti,am3352-sgx" - suggested by Tony Lindgren > > PATCH V2 2019-11-07 12:06:17: > * tried to convert bindings to YAML format - suggested by Rob Herring > * added JZ4780 DTS node (proven to load the driver) > * removed timer and img,cores properties until we know we really need them - suggested by Rob Herring > > PATCH V1 2019-10-18 20:46:35: > > This patch series defines child nodes for the SGX5xx interface inside > different SoC so that a driver can be found and probed by the > compatible strings and can retrieve information about the SGX revision > that is included in a specific SoC. It also defines the interrupt number > to be used by the SGX driver. > > There is currently no mainline driver for these GPUs, but a project > [1] is ongoing with the goal to get the open-source part as provided > by TI/IMG and others into drivers/gpu/drm/pvrsgx. Just a heads up, DRM requires an open-source user-space, so if your plan is to move the open-source kernel driver while using the closed-source library (as that page seem to suggest), that might change a few things. > The kernel modules built from this project have successfully > demonstrated to work with the DTS definitions from this patch set on > AM335x BeagleBone Black, DM3730 and OMAP5 Pyra and Droid 4. They > partially work on OMAP3530 and PandaBoard ES but that is likely a > problem in the kernel driver or the (non-free) user-space libraries > and binaries. > > Wotk for JZ4780 (CI20 board) is in progress and there is potential > to extend this work to e.g. BananaPi-M3 (A83) and some Intel Poulsbo > and CedarView devices. If it's not been tested on any Allwinner board yet, I'll leave it aside until it's been properly shown to work. Maxime
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