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drm/i915: change VLV IOSF sideband accessors to not return error code

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We never check the return values, and there's not much we could do on
errors anyway. Just simplify the signatures. No functional changes.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Jani Nikula
2013-05-22 15:36:20 +03:00
committed by Daniel Vetter
parent ae99258f02
commit 64936258d7
5 changed files with 27 additions and 36 deletions
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2
drivers/gpu/drm/i915/i915_sysfs.c
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@@ -214,7 +214,7 @@ static ssize_t gt_cur_freq_mhz_show(struct device *kdev,
mutex_lock(&dev_priv->rps.hw_lock);
if (IS_VALLEYVIEW(dev_priv->dev)) {
u32 freq;
vlv_punit_read(dev_priv, PUNIT_REG_GPU_FREQ_STS, &freq);
freq = vlv_punit_read(dev_priv, PUNIT_REG_GPU_FREQ_STS);
ret = vlv_gpu_freq(dev_priv->mem_freq, (freq >> 8) & 0xff);
} else {
ret = dev_priv->rps.cur_delay * GT_FREQUENCY_MULTIPLIER;