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| author | J. Bruce Fields <bfields@redhat.com> | 2010-12-17 13:29:07 -0500 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2010-12-17 13:29:07 -0500 |
| commit | ec66ee3797e5848356cf593c6ec7aabf30a00cf1 (patch) | |
| tree | 7ed5c84cc914644ffa1cd1b6a2b45db53fc224e8 /drivers/gpu/drm/i915/intel_ringbuffer.c | |
| parent | 1205065764f2eda3216ebe213143f69891ee3460 (diff) | |
| parent | b0c3844d8af6b9f3f18f31e1b0502fbefa2166be (diff) | |
| download | op-kernel-dev-ec66ee3797e5848356cf593c6ec7aabf30a00cf1.zip op-kernel-dev-ec66ee3797e5848356cf593c6ec7aabf30a00cf1.tar.gz | |
Merge commit 'v2.6.37-rc6' into for-2.6.38
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index b83306f..89a65be 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -156,23 +156,25 @@ static int init_ring_common(struct drm_device *dev, /* G45 ring initialization fails to reset head to zero */ if (head != 0) { - DRM_ERROR("%s head not reset to zero " - "ctl %08x head %08x tail %08x start %08x\n", - ring->name, - I915_READ_CTL(ring), - I915_READ_HEAD(ring), - I915_READ_TAIL(ring), - I915_READ_START(ring)); + DRM_DEBUG_KMS("%s head not reset to zero " + "ctl %08x head %08x tail %08x start %08x\n", + ring->name, + I915_READ_CTL(ring), + I915_READ_HEAD(ring), + I915_READ_TAIL(ring), + I915_READ_START(ring)); I915_WRITE_HEAD(ring, 0); - DRM_ERROR("%s head forced to zero " - "ctl %08x head %08x tail %08x start %08x\n", - ring->name, - I915_READ_CTL(ring), - I915_READ_HEAD(ring), - I915_READ_TAIL(ring), - I915_READ_START(ring)); + if (I915_READ_HEAD(ring) & HEAD_ADDR) { + DRM_ERROR("failed to set %s head to zero " + "ctl %08x head %08x tail %08x start %08x\n", + ring->name, + I915_READ_CTL(ring), + I915_READ_HEAD(ring), + I915_READ_TAIL(ring), + I915_READ_START(ring)); + } } I915_WRITE_CTL(ring, |
