diff options
| author | Vinay Belgaumkar <[email protected]> | 2023-11-09 11:21:48 -0800 |
|---|---|---|
| committer | John Harrison <[email protected]> | 2023-11-15 17:09:48 -0800 |
| commit | d7b4832cbeb85075293b1211a9c89fad4fdda1f1 (patch) | |
| tree | 44d804b14c6f1c2b8db31307daa0ee504a9898ce /tools/perf/util/trace-event-scripting.c | |
| parent | 968853033d8aa4dbb80fbafa6f5d9b6a0ea21272 (diff) | |
drm/i915: Read a shadowed mmio register for ggtt flush
We read RENDER_HEAD as a part of the flush. If GT is in
deeper sleep states, this could lead to read errors since we are
not using a forcewake. Safer to read a shadowed register instead.
Cc: John Harrison <[email protected]>
Cc: Daniele Ceraolo Spurio <[email protected]>
Signed-off-by: Vinay Belgaumkar <[email protected]>
Reviewed-by: Radhakrishna Sripada <[email protected]>
Signed-off-by: John Harrison <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Diffstat (limited to 'tools/perf/util/trace-event-scripting.c')
0 files changed, 0 insertions, 0 deletions