diff options
| author | Matthew Auld <matthew.auld@intel.com> | 2016-11-28 10:36:48 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-11-29 09:25:04 +0000 |
| commit | ddbb271aea87fc6004d3c8bcdb0710e980c7ec85 (patch) | |
| tree | 790032e8c6ed1712fa121d90f5f0c6e62d8091c7 /drivers/gpu/drm/i915/intel_dp_mst.c | |
| parent | 70cd14761d8aeb5db19a410a0a85155e88bb8ad0 (diff) | |
drm/i915: drop the struct_mutex when wedged or trying to reset
We grab the struct_mutex in intel_crtc_page_flip, but if we are wedged
or a reset is in progress we bail early but never seem to actually
release the lock.
Fixes: 7f1847ebf48b ("drm/i915: Simplify checking of GPU reset_counter in display pageflips")
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161128103648.9235-1-matthew.auld@intel.com
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: <stable@vger.kernel.org> # v4.7+
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp_mst.c')
0 files changed, 0 insertions, 0 deletions