diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 669d45e6e6d7..7aa5824b15d2 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -814,6 +814,25 @@ static bool intel_wm_plane_visible(const struct intel_crtc_state *crtc_state, return plane_state->uapi.visible; } +static bool intel_crtc_active(struct intel_crtc *crtc) +{ + /* Be paranoid as we can arrive here with only partial + * state retrieved from the hardware during setup. + * + * We can ditch the adjusted_mode.crtc_clock check as soon + * as Haswell has gained clock readout/fastboot support. + * + * We can ditch the crtc->primary->state->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 crtc->active && crtc->base.primary->state->fb && + crtc->config->hw.adjusted_mode.crtc_clock; +} + static struct intel_crtc *single_enabled_crtc(struct drm_i915_private *dev_priv) { struct intel_crtc *crtc, *enabled = NULL; |