| commit | a99b32a6fff7e482a267c72e565c8c410ce793d7 | [log] [tgz] |
|---|---|---|
| author | Chris Wilson <chris@chris-wilson.co.uk> | Tue Aug 14 18:18:57 2018 +0100 |
| committer | Chris Wilson <chris@chris-wilson.co.uk> | Wed Aug 15 10:15:28 2018 +0100 |
| tree | 92bd3fdd4d402c9264c09da8b966e911b4ef0117 | |
| parent | 08ea70a417baa1c0e5faa580070cd2ffd04e6285 [diff] |
drm/i915: Clear stop-engine for a pardoned reset If we pardon a per-engine reset, we may leave the STOP_RING bit asserted in RING_MI_MODE resulting in the engine hanging. Unconditionally clear it on the per-engine exit path as we know that either we skipped the reset and so need the cancellation, or the reset was successful and the cancellation is a no-op, or there was an error and we will follow up with a full-reset or wedging (both of which will stop the engines again as required). Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107188 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=106560 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180814171857.24673-1-chris@chris-wilson.co.uk