On Mon, 29 Oct 2018 at 19:11, Christian Gmeiner <christian.gmei...@gmail.com> wrote: > > This reverts commit 773d6ea6e715d207bda3a53a9dfc8acf686035b0. > > Since kernel 4.17 (drm/etnaviv: remove the need for a gpu-subsystem DT > node) the etnaviv DRM driver doesn't have an associated DT node > anymore. This is technically correct, as the etnaviv device is a > virtual device driving multiple hardware devices. > > Before 4.17 the userspace had access to the following information: > DRIVER=etnaviv > OF_NAME=gpu-subsystem > OF_FULLNAME=/gpu-subsystem > OF_COMPATIBLE_0=fsl,imx-gpu-subsystem > OF_COMPATIBLE_N=1 > MODALIAS=of:Ngpu-subsystemT<NULL>Cfsl,imx-gpu-subsystem > DRIVER=imx-drm > OF_NAME=display-subsystem > OF_FULLNAME=/display-subsystem > OF_COMPATIBLE_0=fsl,imx-display-subsystem > OF_COMPATIBLE_N=1 > > Afer 4.17: > DRIVER=etnaviv > MODALIAS=platform:etnaviv > > The OF node has never been part of the etnaviv UABI, simply due to the > fact that it's still possible to instantiate the etnaviv driver from a > platform file, instead of a devicetree node. > > A patch set to fix this problem was send out [1] but it looks like > that a proper solution needs more time to bake. > > [1] https://lists.freedesktop.org/archives/dri-devel/2018-October/194651.html > > Suggested-by: Emil Velikov <emil.l.veli...@gmail.com> > Signed-off-by: Christian Gmeiner <christian.gmei...@gmail.com>
Acked-by: Emil Velikov <emil.l.veli...@gmail.com> -Emil _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev