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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-12-02 00:03:59 +0400 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-12-06 16:19:13 +0400 |
| commit | ef04f00d12312e43b13ba8f79435763e25aaff5c (patch) | |
| tree | 6cd60c6a4ac2f562c768afd0b6901c2af39920b4 /drivers/gpu/drm/i915/intel_i2c.c | |
| parent | 9ee32fea5fe810ec06af3a15e4c65478de56d4f5 (diff) | |
| download | linux-ef04f00d12312e43b13ba8f79435763e25aaff5c.tar.xz | |
drm/i915: use _NOTRACE for gmbus/dp aux wait loops
Less clutter in the traces. And in both cases we yell rather loud
into the logs if we time out. Patch suggested by Chris Wilson.
v2: Annotate another I915_READ in dp_aux to be consistent - we filter
out all register io in wait_for and similar loops. Chris also
suggested to mark all dp_aux register access as _NOTRACE, but I think
we should keep all functionally relevant access around, and filter
unneeded bits in userspace after the trace is captured.
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_i2c.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_i2c.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c index 1fc31191b910..7f0904170963 100644 --- a/drivers/gpu/drm/i915/intel_i2c.c +++ b/drivers/gpu/drm/i915/intel_i2c.c @@ -223,7 +223,7 @@ gmbus_wait_hw_status(struct drm_i915_private *dev_priv, prepare_to_wait(&dev_priv->gmbus_wait_queue, &wait, TASK_UNINTERRUPTIBLE); - gmbus2 = I915_READ(GMBUS2 + reg_offset); + gmbus2 = I915_READ_NOTRACE(GMBUS2 + reg_offset); if (gmbus2 & (GMBUS_SATOER | gmbus2_status)) break; @@ -246,7 +246,7 @@ gmbus_wait_idle(struct drm_i915_private *dev_priv) int ret; int reg_offset = dev_priv->gpio_mmio_base; -#define C ((I915_READ(GMBUS2 + reg_offset) & GMBUS_ACTIVE) == 0) +#define C ((I915_READ_NOTRACE(GMBUS2 + reg_offset) & GMBUS_ACTIVE) == 0) if (!HAS_GMBUS_IRQ(dev_priv->dev)) return wait_for(C, 10); |