Am Dienstag, den 12.01.2016, 23:40 +0100 schrieb Daniel Vetter: > On Tue, Jan 12, 2016 at 11:02 PM, Rob Herring <robh+dt@xxxxxxxxxx> wrote: > > On Tue, Jan 12, 2016 at 9:15 AM, Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> wrote: > >> From: CK Hu <ck.hu@xxxxxxxxxxxx> > >> > >> Add an interface to allocate Mediatek GEM buffers, allow the IOCTLs > >> to be used by render nodes. > >> This patch also sets the RENDER driver feature. > > > > But it should not a be render node unless it has a GPU AFAIK. Then > > again, I still don't understand the madness of every driver defining > > their own buffer ioctls either. The only line remotely h/w specific > > here is mtk_drm_gem_create call. > > Support gem_create/mmap_offet alone is indeed pointless without some > real support for gpu workloads. For plain display drivers the dumb > buffer api, plus prime/dma-buf import should be plenty enough. > > The usual reason for doing this is some blob driver for opengl that > can't be open-source, which is a big no-go for upstream. > > Imo best to just rip this out, consider it nacked without full-blown > userspace and whatever else is needing these buffers. > -Daniel Yes, I'll drop this one. thanks Philipp -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
