提交 8807e55b 编写于 作者: J Jani Nikula 提交者: Daniel Vetter

drm/i915: do display power state notification on crtc enable/disable

The spec says to notify prior to power down and after power up. It is
unclear whether it makes a difference.
Signed-off-by: NJani Nikula <jani.nikula@intel.com>
Reviewed-by: NPaulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>
上级 ecbc5cf3
......@@ -3427,8 +3427,10 @@ static void haswell_crtc_enable(struct drm_crtc *crtc)
intel_update_fbc(dev);
mutex_unlock(&dev->struct_mutex);
for_each_encoder_on_crtc(dev, crtc, encoder)
for_each_encoder_on_crtc(dev, crtc, encoder) {
encoder->enable(encoder);
intel_opregion_notify_encoder(encoder, true);
}
/*
* There seems to be a race in PCH platform hw (at least on some
......@@ -3542,8 +3544,10 @@ static void haswell_crtc_disable(struct drm_crtc *crtc)
if (!intel_crtc->active)
return;
for_each_encoder_on_crtc(dev, crtc, encoder)
for_each_encoder_on_crtc(dev, crtc, encoder) {
intel_opregion_notify_encoder(encoder, false);
encoder->disable(encoder);
}
intel_crtc_wait_for_pending_flips(crtc);
drm_vblank_off(dev, pipe);
......
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