drm/i915: Remove 'outstanding_lazy_seqno'

The OLS value is now obsolete. Exactly the same value is guarateed to be always
available as PLR->seqno. Thus it is safe to remove the OLS completely. And also
to rename the PLR to OLR to keep the 'outstanding lazy ...' naming convention
valid.

For: VIZ-4377
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: Thomas Daniel <Thomas.Daniel@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 3 insertions, 10 deletions

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index dbac132a5cdf..2a84bd9688a8 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -267,8 +267,7 @@ struct  intel_engine_cs {
 	/**
 	 * Do we have some not yet emitted requests outstanding?
 	 */
-	struct drm_i915_gem_request *preallocated_lazy_request;
-	u32 outstanding_lazy_seqno;
+	struct drm_i915_gem_request *outstanding_lazy_request;
 	bool gpu_caches_dirty;
 	bool fbc_dirty;
 
@@ -436,17 +435,11 @@ static inline u32 intel_ring_get_tail(struct intel_ringbuffer *ringbuf)
 	return ringbuf->tail;
 }
 
-static inline u32 intel_ring_get_seqno(struct intel_engine_cs *ring)
-{
-	BUG_ON(ring->outstanding_lazy_seqno == 0);
-	return ring->outstanding_lazy_seqno;
-}
-
 static inline struct drm_i915_gem_request *
 intel_ring_get_request(struct intel_engine_cs *ring)
 {
-	BUG_ON(ring->preallocated_lazy_request == NULL);
-	return ring->preallocated_lazy_request;
+	BUG_ON(ring->outstanding_lazy_request == NULL);
+	return ring->outstanding_lazy_request;
 }
 
 static inline void i915_trace_irq_get(struct intel_engine_cs *ring, u32 seqno)