This debugs entry can be used to set arbitrary value to next_seqno. Use i915_gem_set_seqno instead of poking next_seqno. v2: nasty details of next_seqno and last_seqno handling moved inside i915_gem_set_seqno as suggested by Chris Wilson. Signed-off-by: Mika Kuoppala <mika.kuoppala at intel.com> --- drivers/gpu/drm/i915/i915_debugfs.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 7047c4a..882a735 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -878,7 +878,6 @@ i915_next_seqno_write(struct file *filp, loff_t *ppos) { struct drm_device *dev = filp->private_data; - drm_i915_private_t *dev_priv = dev->dev_private; char buf[20]; u32 val = 1; int ret; @@ -896,19 +895,11 @@ i915_next_seqno_write(struct file *filp, return ret; } - if (val == 0) - return -EINVAL; - ret = mutex_lock_interruptible(&dev->struct_mutex); if (ret) return ret; - if (i915_seqno_passed(val, dev_priv->next_seqno)) { - dev_priv->next_seqno = val; - DRM_DEBUG_DRIVER("Advancing seqno to %u\n", val); - } else { - ret = -EINVAL; - } + ret = i915_gem_set_seqno(dev, val); mutex_unlock(&dev->struct_mutex); -- 1.7.9.5