Hi Am 21.01.20 um 10:36 schrieb Gerd Hoffmann: > On Mon, Jan 20, 2020 at 01:20:47PM +0100, Thomas Zimmermann wrote: >> Instead of faking VBLANK events by themselves, drivers without VBLANK >> support can enable drm_crtc_vblank.no_vblank and let DRM do the rest. >> The patchset makes this official and converts over drivers. >> >> The current implementation looks at the number of initialized CRTCs >> wrt vblanking. If vblanking has been initialized for a CRTC, the driver >> is responsible for sending out VBLANK events. Otherwise, DRM will send >> out the event. The behaviour selected by initializing no_vblank as part >> of drm_atomic_helper_check_modeset(). >> >> I went through all drivers, looking for those that call send out VBLANK >> events but do not call drm_vblank_init(). These are converted to the new >> semantics. This affects tiny drivers; drivers for virtual hardware; and >> a few others, which do not support interrupts. Xen comes with its >> own VBLANK logic and disables no_vblank explictly. > > Acked-by: Gerd Hoffmann <kraxel@xxxxxxxxxx> Thanks a lot. v4 will mostly reorganize the patches so I'll keep your A-b. Best regards Thomas > > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/dri-devel > -- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Maxfeldstr. 5, 90409 Nürnberg, Germany (HRB 36809, AG Nürnberg) Geschäftsführer: Felix Imendörffer
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