drm/i915/gvt: Detect 64K gtt entry by IPS bit of PDE

This change help us detect the real entry type per PSE and IPS setting.
For 64K entry, we also need to check reg GEN8_GAMW_ECO_DEV_RW_IA.

v2: Extend IPS mmio control to Gen10. (Matthew Auld)

Signed-off-by: Changbin Du <changbin.du@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
This commit is contained in:
Changbin Du 2018-05-15 10:35:36 +08:00 • committed by Zhenyu Wang
commit 40b271767d
2 changed files with 51 additions and 21 deletions