diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-08-16 13:10:00 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-08-16 18:02:07 +0100 |
| commit | 25ffd4b11d069300f018f7b04c3c6b8814a128d6 (patch) | |
| tree | 89d886ba3888822c63fd7b6581cdfb7e9461f89b /drivers/gpu/drm/i915/gt/selftest_timeline.c | |
| parent | 6c69a45445af924378371ce3ae3fbe20c4657b94 (diff) | |
drm/i915: Markup expected timeline locks for i915_active
As every i915_active_request should be serialised by a dedicated lock,
i915_active consists of a tree of locks; one for each node. Markup up
the i915_active_request with what lock is supposed to be guarding it so
that we can verify that the serialised updated are indeed serialised.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190816121000.8507-2-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gt/selftest_timeline.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/selftest_timeline.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/selftest_timeline.c b/drivers/gpu/drm/i915/gt/selftest_timeline.c index d54113697745..321481403165 100644 --- a/drivers/gpu/drm/i915/gt/selftest_timeline.c +++ b/drivers/gpu/drm/i915/gt/selftest_timeline.c @@ -689,7 +689,9 @@ static int live_hwsp_wrap(void *arg) tl->seqno = -4u; + mutex_lock_nested(&tl->mutex, SINGLE_DEPTH_NESTING); err = intel_timeline_get_seqno(tl, rq, &seqno[0]); + mutex_unlock(&tl->mutex); if (err) { i915_request_add(rq); goto out; @@ -704,7 +706,9 @@ static int live_hwsp_wrap(void *arg) } hwsp_seqno[0] = tl->hwsp_seqno; + mutex_lock_nested(&tl->mutex, SINGLE_DEPTH_NESTING); err = intel_timeline_get_seqno(tl, rq, &seqno[1]); + mutex_unlock(&tl->mutex); if (err) { i915_request_add(rq); goto out; |