This will throw a DRM_ERROR message when an unknown sdvox register is
given to intel_hdmi_init. When this happens, things could going to be pretty
much broken afterwards, so we better detect this as soon as possible.
Signed-off-by: Eugeni Dodonov <eugeni.dodonov at intel.com>
---
drivers/gpu/drm/i915/intel_hdmi.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index f6a9b83..d73a16c 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -606,6 +606,8 @@ void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
intel_encoder->clone_mask = (1 << INTEL_HDMIF_CLONE_BIT);
intel_hdmi->ddc_bus = GMBUS_PORT_DPD;
dev_priv->hotplug_supported_mask |= HDMID_HOTPLUG_INT_STATUS;
+ } else {
+ DRM_ERROR("Unknown sdvox register on HDMI init: %x\n", sdvox_reg);
}
intel_hdmi->sdvox_reg = sdvox_reg;
--
1.7.10
