diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_hdmi.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_hdmi.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 6e806c6..b0413e1 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -1344,6 +1344,13 @@ void intel_hdmi_init(struct drm_device *dev, int hdmi_reg, enum port port) intel_encoder->type = INTEL_OUTPUT_HDMI; intel_encoder->crtc_mask = (1 << 0) | (1 << 1) | (1 << 2); intel_encoder->cloneable = 1 << INTEL_OUTPUT_ANALOG; + /* + * BSpec is unclear about HDMI+HDMI cloning on g4x, but it seems + * to work on real hardware. And since g4x can send infoframes to + * only one port anyway, nothing is lost by allowing it. + */ + if (IS_G4X(dev)) + intel_encoder->cloneable |= 1 << INTEL_OUTPUT_HDMI; intel_dig_port->port = port; intel_dig_port->hdmi.hdmi_reg = hdmi_reg; |