On Tue, Oct 08, 2013 at 05:27:28PM +0200, Daniel Vetter wrote: > Adding drm/i915 into the vga arbiter chain means that X (in a piece of > well-meant paranoia) will do a get/put on the vga decoding around > _every_ accel call down into the ddx. Which results in some nice > performance disasters [1]. And disables DRI for the system, interferring with the use of OpenGL compositors, playing games, PRIME, etc. This effect is not limited to users of i915, but any system with a dGPU and an igfx enabled Core CPU. I still think we are downplaying the complete and utter disaster caused by X and the patch, and why the revert is required. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx