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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2017-03-25 13:47:35 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2017-03-27 15:36:10 +0100 |
| commit | 598b6b5ada3f8a3ecd7bd821f7df87ca8ea0f053 (patch) | |
| tree | fcbc471ca49b04f3dd804a95c384aa96ea041045 | |
| parent | ed1501d45136da125a89b1a5728a783564e6491f (diff) | |
| download | linux-598b6b5ada3f8a3ecd7bd821f7df87ca8ea0f053.tar.bz2 | |
drm/i915: Mark manually wedged engines as guilty
Use the incoming value from debugfs/i915_wedged to select which engines
to marked as guilty in order to force us to reset those requests
(required to quickly bypass simulated hangs).
Testcase: igt/gem_exec_capture
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170325134735.30581-1-chris@chris-wilson.co.uk
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 3ebdbc798f33..316bc47a8eea 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -4126,7 +4126,9 @@ i915_wedged_get(void *data, u64 *val) static int i915_wedged_set(void *data, u64 val) { - struct drm_i915_private *dev_priv = data; + struct drm_i915_private *i915 = data; + struct intel_engine_cs *engine; + unsigned int tmp; /* * There is no safeguard against this debugfs entry colliding @@ -4136,13 +4138,17 @@ i915_wedged_set(void *data, u64 val) * while it is writing to 'i915_wedged' */ - if (i915_reset_backoff(&dev_priv->gpu_error)) + if (i915_reset_backoff(&i915->gpu_error)) return -EAGAIN; - i915_handle_error(dev_priv, val, - "Manually setting wedged to %llu", val); + for_each_engine_masked(engine, i915, val, tmp) { + engine->hangcheck.seqno = intel_engine_get_seqno(engine); + engine->hangcheck.stalled = true; + } + + i915_handle_error(i915, val, "Manually setting wedged to %llu", val); - wait_on_bit(&dev_priv->gpu_error.flags, + wait_on_bit(&i915->gpu_error.flags, I915_RESET_HANDOFF, TASK_UNINTERRUPTIBLE); |