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Commit e94fbaa8 authored by Mika Kuoppala's avatar Mika Kuoppala Committed by Daniel Vetter
Browse files

drm/i915: Make next_seqno debugs entry to use i915_gem_set_seqno 



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: default avatarMika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent fca26bb4

drivers/gpu/drm/i915/i915_debugfs.c

+1 −10
Original line number Diff line number Diff line
@@ -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);