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drm/i915: Update intel_crtc_active() to use state values (v2)

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With the switch to atomic plumbing for planes, some of our commit-time
work (e.g., watermarks) is done after the new atomic state is swapped
into the relevant DRM object, but before the DRM core has a chance to
update its legacy state values.  Switch intel_crtc_active() to look at
the state objects rather than legacy fields to ensure we operate on the
proper values.

Note that we're continuing to use intel_crtc->active here for the time
being since crtc->state isn't really hooked up yet.  Once CRTC states
are wired up properly, we'll want to switch this over to use
crtc->state->active instead.

v2: Switch back to intel_crtc->active for now; when Ander's work on CRTC
    states is ready, we can flip this over to use crtc->state->active
    instead. (Ville)

Cc: Ander Conselvan De Oliveira <conselvan2@gmail.com>
Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Matt Roper 2015-03-09 10:19:23 -07:00 committed by Daniel Vetter
parent 3553a8eadb
commit c3d1f43601
1 changed files with 5 additions and 1 deletions
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6
drivers/gpu/drm/i915/intel_display.c
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@ -896,8 +896,12 @@ bool intel_crtc_active(struct drm_crtc *crtc)
*
* We can ditch the crtc->primary->fb check as soon as we can
* properly reconstruct framebuffers.
*
* FIXME: The intel_crtc->active here should be switched to
* crtc->state->active once we have proper CRTC states wired up
* for atomic.
*/
return intel_crtc->active && crtc->primary->fb &&
return intel_crtc->active && crtc->primary->state->fb &&
intel_crtc->config->base.adjusted_mode.crtc_clock;
}