On Wed, 14 Nov 2012 20:43:31 +0000 Jesse Barnes <jbar...@virtuousgeek.org> wrote:
> SNB graphics devices have a bug that prevent them from accessing certain > memory ranges, namely anything below 1M and in the pages listed in the > table. So reserve those at boot if set detect a SNB gfx device on the > CPU to avoid GPU hangs. What happens if the other addresses map to an external memory object - eg a PCI device which is a legitimate DMA source for video overlay etc ? I assume this is just for GPU fetches from main memory ? Alan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/