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.kuopp...@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
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