Nur ein kurzer Hinweis für alle Intel-GPU-Nutzer, die sehnlich auf den Import der KMS / GEM Infrastruktur warten: Konstantin Belousov bittet darum, einige abschließende Fragen zu klären, bevor der Import stattfinden kann. Es geht hauptsächlich um die Frage, ob KMS / GEM unabhängig zur bisherigen DRM1-Infrastruktur existieren soll, oder ob diese ersetzt, bzw. verändert werden soll. Beides hat Vor- und Nachteile. Code: From: Konstantin Belousov <firstname.lastname@example.org> To: email@example.com Cc: firstname.lastname@example.org Subject: Intel GPU driver import Date: Sun, 13 May 2012 00:39:50 +0300 Sender: email@example.com User-Agent: Mutt/220.127.116.11i With r235375, all required VM support for new Intel GPU driver was committed into HEAD. There are still some things to improve and change, but now the all.14.9.patch does not touch anything outside agp or drm. This allows to start the process of importing the new Intel GPU driver into HEAD. I am writing this as initial head-up and to discuss some questions, for which I do have answers but would prefer to have additional feedback from people doing Xorg work. The patch as-is just replaces the Intel DRI1 bits with DRI2 driver. Patch added most of the KMS infrastructure into DRM core. Also, patch completely changed the locking model used by Intel driver. I made absolutely minimal efforts needed to keep other DRI1 drivers compilable. Despite that, I got several surpising reports that Radeon DRI1 still works. That said, for import I can (first choice) just apply the patch, replacing the Intel driver with new one. Or (second choice) I may create another directory, say sys/dev/drm2, and import _only_ Intel driver together with updated DRM core, there. The positive points to the second approach is that we still have older kernel drivers around. Also, I have more freedom in changing the DRM core, without fearing breakage in the DRI1 land. Since I do not really want to deal with Gen2-3 hardware, and VGA console does not work with new driver (yet), there are definite advantages. On the other hand, driver automatic loading will not work with dev/drm2 approach. New driver have to use different module name to co-exist with dri1 driver, so ddx driver cannot load new driver by old name. As result, users need to manually kldload new driver before starting Xorg. My own preference is to implement second choice and put the driver into dev/drm2.