On Tue, May 19, 2015 at 08:10:46AM +0200, Maarten Lankhorst wrote: > Op 18-05-15 om 18:28 schreef Ville Syrjälä: > > On Mon, May 18, 2015 at 05:49:23PM +0200, Daniel Vetter wrote: > >> On Wed, May 13, 2015 at 10:23:46PM +0200, Maarten Lankhorst wrote: > >>> intel_crtc->config will be removed eventually, so use crtc->hwmode. > >>> drm_atomic_helper_update_legacy_modeset_state updates hwmode, > >>> but crtc->active will eventually be gone too. Set dotclock to zero > >>> to indicate the crtc is inactive. > >>> > >>> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx> > >> I think adding a code comment to our assignment of crtc->hw_mode that we > >> need this for i915_get_vblank_timestamp (and only for that) would be > >> really good. Especially since I can't find it with a quick grep, at least > >> in current upstream ;-) > > I don't particularly like resurrecting this zombie. Why we can't just use > > crtc->state->adjusted_mode (or wherever the current adjusted mode is kept)? > > > Because we want to get rid of intel_crtc->config, and if drm_atomic_swap_state > is moved to be done before any call to then crtc->state->adjusted_mode will not > be in sync with the hw state, and any wai tfor vblank will produce funny results. > > Since I don't think you should want to pass a state to vblank you would have to use > some crtc local variable somewhere, in this case I chose to use hwmode for that. I guess plan be could be to the required values (and only those we need, not the entire mode struct) in struct intel_crtc. Not sure whether that's worth the bother. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
