| commit | 1ccccbd4ce3463edb459eb193feb572938fce19e | [log] [tgz] |
|---|---|---|
| author | Ben Skeggs <skeggsb@gmail.com> | Fri Mar 07 15:08:59 2008 +1100 |
| committer | Ben Skeggs <skeggsb@gmail.com> | Fri Mar 07 15:18:34 2008 +1100 |
| tree | ace23a5bff45a664b2e8f4242883398e1ed9db99 | |
| parent | cd924de02927a091c517b0ac6b9cd8f065ce448c [diff] |
nouveau: redo channel idle detection Will hopefully work a bit better than previous code, which depended on knowing the channel's most recent PUT value. Some chips always return 0 on reading these regs, and currently userspace is the only other entity which knows the value.