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).
Signed-off-by: Chris Wilson <[email protected]> Cc: Mika Kuoppala <[email protected]> --- drivers/gpu/drm/i915/i915_debugfs.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index dbd97fd52b00..db5d8efd07d1 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -4031,7 +4031,9 @@ 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 @@ -4041,13 +4043,17 @@ 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); -- 2.11.0 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
