On Tue, Aug 13, 2013 at 06:59:34PM +0100, Chris Wilson wrote: > If the CRTC for this modeset is not attached to any encoder, it will be > off. In this case, we will need to turn it on as well as update its > base. This requires a full modeset sequence. > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=68030 > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> > --- > drivers/gpu/drm/i915/intel_display.c | 14 +++++++------- > 1 file changed, 7 insertions(+), 7 deletions(-) > > diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c > index 4f9c3d8..30bd919 100644 > --- a/drivers/gpu/drm/i915/intel_display.c > +++ b/drivers/gpu/drm/i915/intel_display.c > @@ -8836,9 +8836,8 @@ is_crtc_connector_off(struct drm_mode_set *set) > > for (i = 0; i < set->num_connectors; i++) > if (set->connectors[i]->encoder && > - set->connectors[i]->encoder->crtc == set->crtc && > - set->connectors[i]->dpms != DRM_MODE_DPMS_ON) > - return true; > + set->connectors[i]->encoder->crtc == set->crtc) > + return set->connectors[i]->dpms != DRM_MODE_DPMS_ON; > > return false; > } > @@ -8853,11 +8852,10 @@ intel_set_config_compute_mode_changes(struct drm_mode_set *set, > if (is_crtc_connector_off(set)) { > config->mode_changed = true; > } else if (set->crtc->fb != set->fb) { > - /* If we have no fb then treat it as a full mode set */ > - if (set->crtc->fb == NULL) { > - struct intel_crtc *intel_crtc = > - to_intel_crtc(set->crtc); > + struct intel_crtc *intel_crtc = to_intel_crtc(set->crtc); > > + /* If we have no fb (or off) then treat it as a full mode set */ > + if (set->crtc->fb == NULL) { > if (intel_crtc->active && i915_fastboot) { > DRM_DEBUG_KMS("crtc has no fb, will flip\n"); > config->fb_changed = true; > @@ -8870,6 +8868,8 @@ intel_set_config_compute_mode_changes(struct drm_mode_set *set, > } else if (set->fb->pixel_format != > set->crtc->fb->pixel_format) { > config->mode_changed = true; > + } else if (!intel_crtc->active) { > + config->mode_changed = true; This hunk here /should/ be redundant, at least if we don't botch up the connector iteration above. Also can you please pimp the commit message a bit to trace the epic multi-chapter train wreak this has become? -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx