Op 11-05-15 om 19:11 schreef Daniel Vetter: > On Mon, May 11, 2015 at 04:24:40PM +0200, Maarten Lankhorst wrote: >> @@ -6079,26 +6059,29 @@ void intel_crtc_control(struct drm_crtc *crtc, bool >> enable) >> enum intel_display_power_domain domain; >> unsigned long domains; >> >> + if (enable == intel_crtc->active) >> + return; >> + >> + if (enable && !crtc->state->enable) >> + return; > I think we only need to check for !state->enable here. Changing dpms while > the crtc is fully of is totally legit. And at least -modesetting loves to > do just that iirc. > > I'll will be caught by state->active implying state->enable, but that's > hard to read imo. > -Daniel As discussed on irc it's not. :-)
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