On Tue, May 12, 2020 at 2:29 PM Thomas Zimmermann <tzimmerm...@suse.de> wrote: > > Hi > > Am 11.05.20 um 19:17 schrieb Christian König: > > Hi guys, > > > > Well let's face it AGP is a total headache to maintain and dead for at > > least 10+ years. > > > > We have a lot of x86 specific stuff in the architecture independent > > graphics memory management to get the caching right, abusing the DMA API on > > multiple occasions, need to distinct between AGP and driver specific page > > tables etc etc... > > > > So the idea here is to just go ahead and remove the support from Radeon and > > Nouveau and then drop the necessary code from TTM. > > > > For Radeon this means that we just switch over to the driver specific page > > tables and everything should more or less continue to work. > > > > For Nouveau I'm not 100% sure, but from the code it of hand looks like we > > can do it similar to Radeon. > > > > Please comment what you think about this. > > There's some AGP support code in the DRM core. Can some of that declared > as legacy? > > Specifically, what about these AGP-related ioctl calls? Can they be > declared as legacy? It would appear to me that KMS-based drivers don't > have to manage AGP by themselves. (?)
The old drm core AGP code is mainly (only?) for the non-KMS drivers. E.g., mach64, r128, sis, savage, etc. Alex > > Best regards > Thomas > > > > > Regards, > > Christian. > > > > > > _______________________________________________ > > Nouveau mailing list > > nouv...@lists.freedesktop.org > > https://lists.freedesktop.org/mailman/listinfo/nouveau > > > > -- > Thomas Zimmermann > Graphics Driver Developer > SUSE Software Solutions Germany GmbH > Maxfeldstr. 5, 90409 Nürnberg, Germany > (HRB 36809, AG Nürnberg) > Geschäftsführer: Felix Imendörffer > > _______________________________________________ > amd-gfx mailing list > amd-gfx@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/amd-gfx _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx
