| commit | 50aa253d820ad4577e2231202f2c8fd89f9dc4e6 | [log] [tgz] |
|---|---|---|
| author | Keith Packard <keithp@keithp.com> | Tue Oct 14 17:20:35 2008 -0700 |
| committer | Dave Airlie <airlied@linux.ie> | Sat Oct 18 07:10:53 2008 +1000 |
| tree | 2357e6f184456b44a9c38f57d5f2f16345219ba5 | |
| parent | 0cdad7e88a23910a911a3339ff2d70f8f952d7b8 [diff] |
i915: Fix up ring initialization to cover G45 oddities G45 appears quite sensitive to ring initialization register writes, sometimes leaving the HEAD register with the START register contents. Check to make sure HEAD is reset correctly when START is written, and fix it up, screaming loudly. Signed-off-by: Keith Packard <keithp@keithp.com> Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>