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-rw-r--r--drivers/gpu/drm/i915/intel_display.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index e8f76be555df..1ef715303cc6 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -15355,6 +15355,7 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc)
WARN_ON(drm_atomic_set_mode_for_crtc(crtc->base.state, NULL) < 0);
crtc->base.state->active = crtc->active;
crtc->base.enabled = crtc->active;
+ crtc->base.state->connector_mask = 0;
/* Because we only establish the connector -> encoder ->
* crtc links if something is active, this means the
@@ -15557,7 +15558,21 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
for_each_intel_connector(dev, connector) {
if (connector->get_hw_state(connector)) {
connector->base.dpms = DRM_MODE_DPMS_ON;
- connector->base.encoder = &connector->encoder->base;
+
+ encoder = connector->encoder;
+ connector->base.encoder = &encoder->base;
+
+ if (encoder->base.crtc &&
+ encoder->base.crtc->state->active) {
+ /*
+ * This has to be done during hardware readout
+ * because anything calling .crtc_disable may
+ * rely on the connector_mask being accurate.
+ */
+ encoder->base.crtc->state->connector_mask |=
+ 1 << drm_connector_index(&connector->base);
+ }
+
} else {
connector->base.dpms = DRM_MODE_DPMS_OFF;
connector->base.encoder = NULL;