diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-06-30 15:33:02 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-06-30 15:42:09 +0100 |
| commit | b85c1ecf512b37ae16fc9bbd834ed67df345a69e (patch) | |
| tree | e4086c2a4a89b37136e58925cf404217110ae908 | |
| parent | 2ec9ba3cffd08c6d78e1ed1fd0188efe7fcaec1c (diff) | |
drm/i915: Convert wait_for(I915_READ(reg)) to intel_wait_for_register()
By using the out-of-line intel_wait_for_register() not only do we can
efficiency from using the hybrid wait_for() contained within, but we
avoid code bloat from the numerous inlined loops, in total (all patches):
text data bss dec hex filename
1078551 4557 416 1083524 108884 drivers/gpu/drm/i915/i915.ko
1070775 4557 416 1075748 106a24 drivers/gpu/drm/i915/i915.ko
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1467297225-21379-19-git-send-email-chris@chris-wilson.co.uk
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index cb7d49c34eb3..8658c02e92f1 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -4486,7 +4486,9 @@ void hsw_disable_ips(struct intel_crtc *crtc) WARN_ON(sandybridge_pcode_write(dev_priv, DISPLAY_IPS_CONTROL, 0)); mutex_unlock(&dev_priv->rps.hw_lock); /* wait for pcode to finish disabling IPS, which may take up to 42ms */ - if (wait_for((I915_READ(IPS_CTL) & IPS_ENABLE) == 0, 42)) + if (intel_wait_for_register(dev_priv, + IPS_CTL, IPS_ENABLE, 0, + 42)) DRM_ERROR("Timed out waiting for IPS disable\n"); } else { I915_WRITE(IPS_CTL, 0); |