[Intel-gfx] [PATCH 3/4] drm/i915: Introduce i915_gem_seqno_init

[Mika Kuoppala]

i915_gem_seqno_init can set seqno to arbitrary value.

Signed-off-by: Mika Kuoppala <mika.kuoppala at intel.com>
---
 drivers/gpu/drm/i915/i915_drv.h |    4 ++--
 drivers/gpu/drm/i915/i915_gem.c |    8 ++++----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 514aee8..5968340 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1479,8 +1479,8 @@ i915_seqno_passed(uint32_t seq1, uint32_t seq2)
 	return (int32_t)(seq1 - seq2) >= 0;
 }
 
-extern int i915_gem_get_seqno(struct drm_device *dev, u32 *seqno);
-
+int __must_check i915_gem_get_seqno(struct drm_device *dev, u32 *seqno);
+int __must_check i915_gem_init_seqno(struct drm_device *dev, u32 seqno);
 int __must_check i915_gem_object_get_fence(struct drm_i915_gem_object *obj);
 int __must_check i915_gem_object_put_fence(struct drm_i915_gem_object *obj);
 
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 0231fdb..13d2067 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1925,8 +1925,8 @@ i915_gem_object_move_to_inactive(struct drm_i915_gem_object *obj)
 	WARN_ON(i915_verify_lists(dev));
 }
 
-static int
-i915_gem_handle_seqno_wrap(struct drm_device *dev)
+int
+i915_gem_init_seqno(struct drm_device *dev, u32 seqno)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_ring_buffer *ring;
@@ -1942,7 +1942,7 @@ i915_gem_handle_seqno_wrap(struct drm_device *dev)
 
 	/* Finally reset hw state */
 	for_each_ring(ring, dev_priv, i) {
-		ret = intel_ring_init_seqno(ring, 0);
+		ret = intel_ring_init_seqno(ring, seqno);
 		if (ret)
 			return ret;
 
@@ -1960,7 +1960,7 @@ i915_gem_get_seqno(struct drm_device *dev, u32 *seqno)
 
 	/* reserve 0 for non-seqno */
 	if (dev_priv->next_seqno == 0) {
-		int ret = i915_gem_handle_seqno_wrap(dev);
+		int ret = i915_gem_init_seqno(dev, 0);
 		if (ret)
 			return ret;
 
-- 
1.7.9.5