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drm/i915: kill waiting_seqno

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The waiting_seqno is not terribly useful, and as such we can remove it
so that we'll be able to extract lockless code.

v2: Keep the information for error_state (Chris)
Check if ring is initialized in hangcheck (Chris)
Capture the waiting ring (Chris)

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
[danvet: add some bikeshed to clarify a comment.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ben Widawsky
2012-04-26 16:03:01 -07:00
committed by Daniel Vetter
parent be998e2e39
commit 9574b3fe29
5 changed files with 11 additions and 10 deletions
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drivers/gpu/drm/i915/intel_ringbuffer.h
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@@ -60,7 +60,6 @@ struct intel_ring_buffer {
u32 irq_enable_mask; /* bitmask to enable ring interrupt */
u32 irq_seqno; /* last seq seem at irq time */
u32 trace_irq_seqno;
u32 waiting_seqno;
u32 sync_seqno[I915_NUM_RINGS-1];
bool __must_check (*irq_get)(struct intel_ring_buffer *ring);
void (*irq_put)(struct intel_ring_buffer *ring);