drm/i915: Allow HDMI+VGA cloning

HDMI+VGA cloning should be supported on all platforms. The only real
obstacle is the 1.5x clock adjustment for 12bpc HDMI, but that is now
taken care of, so we can allow HDMI+VGA cloning.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=73850
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 32b7d49..4b4e8f0 100644 (file)
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -839,7 +839,7 @@ void intel_crt_init(struct drm_device *dev)
        intel_connector_attach_encoder(intel_connector, &crt->base);
 
        crt->base.type = INTEL_OUTPUT_ANALOG;
-       crt->base.cloneable = 1 << INTEL_OUTPUT_DVO;
+       crt->base.cloneable = (1 << INTEL_OUTPUT_DVO) | (1 << INTEL_OUTPUT_HDMI);
        if (IS_I830(dev))
                crt->base.crtc_mask = (1 << 0);
        else

diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index a89e15a..6e806c6 100644 (file)
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -1343,7 +1343,7 @@ 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 = 0;
+       intel_encoder->cloneable = 1 << INTEL_OUTPUT_ANALOG;
 
        intel_dig_port->port = port;
        intel_dig_port->hdmi.hdmi_reg = hdmi_reg;