Hi
2012/11/20 Damien Lespiau <damien.lespiau at intel.com>:
>> + if (IS_HASWELL(dev_priv->dev) && (I915_READ_NOTRACE(GEN7_ERR_INT) & ERR_INT_MMIO_UNCLAIMED)) { \
>> + DRM_ERROR("Unknown unclaimed register before writing to %x\n", reg); \
>> + I915_WRITE_NOTRACE(GEN7_ERR_INT, ERR_INT_MMIO_UNCLAIMED); \
>> + } \
>
> Do we really have to DRM_ERROR here? this bit being set seems to be
> beyond things we can fix (BIOS leaving that behind?)
If we do I915_WRITE_NOTRACE or I915_READ_NOTRACE to a register that
does not exist I believe the unclaimed bit will be set.
>
> --
> Damien
--
Paulo Zanoni
