We need to ensure that we feed valid memory into the display plane
attached to the pipe when switching the pipe on. Otherwise, the display
engine may read through an invalid PTE and so throw an PGTBL_ER
exception.
As we need to perform load detection before even the first object is
allocated for
On Tue, 19 Apr 2011 14:26:04 -0700, Keith Packard kei...@keithp.com wrote:
On Tue, 19 Apr 2011 21:32:02 +0100, Chris Wilson ch...@chris-wilson.co.uk
wrote:
We need to ensure that we feed valid memory into the display plane
attached to the pipe when switching the pipe on. Otherwise, the
We need to ensure that we feed valid memory into the display plane
attached to the pipe when switching the pipe on. Otherwise, the display
engine may read through an invalid PTE and so throw an PGTBL_ER
exception.
For bonus amusement value, we perform the first load detect before even
On Tue, 19 Apr 2011 21:32:02 +0100, Chris Wilson ch...@chris-wilson.co.uk
wrote:
We need to ensure that we feed valid memory into the display plane
attached to the pipe when switching the pipe on. Otherwise, the display
engine may read through an invalid PTE and so throw an PGTBL_ER