On Tue, Sep 29, 2020 at 8:44 PM Daniel Vetter <daniel@xxxxxxxx> wrote: > On Tue, Sep 29, 2020 at 7:49 PM Peter Collingbourne <pcc@xxxxxxxxxx> wrote: > But aside from all this, why is this blocking the migration from fbdev > to drm? With fbdev you don't have buffer allocations, nor dma-buf > support, and somehow android can boot. I do not know how Android does things these days but back in the days it would request a virtual framebuffer twice the height of the physical framebuffer and then pan that up/down between composing frames, thus achieving a type of double-buffering from userspace. Given the type of bugs Peter is seeing this seems to still be the case, Peter can you confirm? Yours, Linus Walleij _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel