diff options
| author | Chris Wilson <[email protected]> | 2010-12-09 12:56:37 +0000 |
|---|---|---|
| committer | Chris Wilson <[email protected]> | 2010-12-09 12:53:19 +0000 |
| commit | 8c0a6bfef165ccdbf5d73afb9dd660107b0c98d5 (patch) | |
| tree | 09455156e4e46ac5137ddab9ec3aed65bc6a8c59 /tools/perf/util/trace-event-scripting.c | |
| parent | 8316f33766a82907c694267ff911e45e256f09f9 (diff) | |
drm/i915/ringbuffer: Handle wrapping of the autoreported HEAD
If the tail advances beyond the autoreport HEAD value, then we need to
fallback to an uncached read of the HEAD register in order to ascertain
the correct amount of remaining space in the ringbuffer.
Reported-by: Fang, Xun <[email protected]>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=32259
Signed-off-by: Chris Wilson <[email protected]>
Diffstat (limited to 'tools/perf/util/trace-event-scripting.c')
0 files changed, 0 insertions, 0 deletions