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path: root/drivers/gpu/drm/i915/intel_ringbuffer.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index fc66af6a9448..f75806e5bff5 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -626,7 +626,7 @@ gen6_ring_get_seqno(struct intel_ring_buffer *ring)
/* Workaround to force correct ordering between irq and seqno writes on
* ivb (and maybe also on snb) by reading from a CS register (like
* ACTHD) before reading the status page. */
- if (IS_GEN7(dev))
+ if (IS_GEN6(dev) || IS_GEN7(dev))
intel_ring_get_active_head(ring);
return intel_read_status_page(ring, I915_GEM_HWS_INDEX);
}
@@ -1038,7 +1038,7 @@ int intel_init_ring_buffer(struct drm_device *dev,
* of the buffer.
*/
ring->effective_size = ring->size;
- if (IS_I830(ring->dev))
+ if (IS_I830(ring->dev) || IS_845G(ring->dev))
ring->effective_size -= 128;
return 0;