diff options
| author | Eugeni Dodonov <eugeni.dodonov@intel.com> | 2012-05-09 15:37:13 -0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-05-19 22:39:45 +0200 |
| commit | 6e4c1677fef47a5f538e8d031998a68aaf87275a (patch) | |
| tree | fb010caf0d6a9aab8da0c4be660b351ae0519d5d | |
| parent | 5826eca5ac58469a704984bceaebfda5bcb383db (diff) | |
| download | linux-6e4c1677fef47a5f538e8d031998a68aaf87275a.tar.gz linux-6e4c1677fef47a5f538e8d031998a68aaf87275a.tar.xz linux-6e4c1677fef47a5f538e8d031998a68aaf87275a.zip | |
drm/i915: show unknown sdvox registers on hdmi init
This will throw a BUG() 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@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/intel_hdmi.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 4a9d553719f6..8da8dfe1b4fa 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -661,6 +661,10 @@ 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 { + /* If we got an unknown sdvox_reg, things are pretty much broken + * in a way that we should let the kernel know about it */ + BUG(); } intel_hdmi->sdvox_reg = sdvox_reg; |