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drm/i915/ringbuffer: Write the value passed in to the tail register

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This should fix the error along the reset path were we tried to clear the
tail register by setting it to 0, but were in fact setting it to the
current value and complaining when it did not reset to 0.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson
2010-10-22 17:02:41 +01:00
parent 85ccc35b7e
commit 297b0c5be3
2 changed files with 16 additions and 16 deletions
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6
drivers/gpu/drm/i915/intel_ringbuffer.h
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@@ -46,9 +46,9 @@ struct intel_ring_buffer {
int (*init)(struct drm_device *dev,
struct intel_ring_buffer *ring);
void (*set_tail)(struct drm_device *dev,
struct intel_ring_buffer *ring,
u32 value);
void (*write_tail)(struct drm_device *dev,
struct intel_ring_buffer *ring,
u32 value);
void (*flush)(struct drm_device *dev,
struct intel_ring_buffer *ring,
u32 invalidate_domains,