Hi 2012/11/20 Damien Lespiau <[email protected]>: >> + 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 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
