summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm
diff options
context:
space:
mode:
authorChris Wilson <chris@chris-wilson.co.uk>2016-06-30 15:33:41 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2016-06-30 15:42:32 +0100
commit84a6e1d729ecb8828b22c3c951af5d6d427d3158 (patch)
tree13f48e0572d29e640414b00f48123b4b37d097d2 /drivers/gpu/drm
parent41e8a1e8647a325ce801fbfa9f0f186a4c970a2d (diff)
downloadblackbird-op-linux-84a6e1d729ecb8828b22c3c951af5d6d427d3158.tar.gz
blackbird-op-linux-84a6e1d729ecb8828b22c3c951af5d6d427d3158.zip
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/1467297225-21379-58-git-send-email-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/i915/intel_sideband.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_sideband.c b/drivers/gpu/drm/i915/intel_sideband.c
index 6841e2315b1b..11a25ab4d8a2 100644
--- a/drivers/gpu/drm/i915/intel_sideband.c
+++ b/drivers/gpu/drm/i915/intel_sideband.c
@@ -240,8 +240,9 @@ void intel_sbi_write(struct drm_i915_private *dev_priv, u16 reg, u32 value,
WARN_ON(!mutex_is_locked(&dev_priv->sb_lock));
- if (wait_for((I915_READ(SBI_CTL_STAT) & SBI_BUSY) == 0,
- 100)) {
+ if (intel_wait_for_register(dev_priv,
+ SBI_CTL_STAT, SBI_BUSY, 0,
+ 100)) {
DRM_ERROR("timeout waiting for SBI to become ready\n");
return;
}
OpenPOWER on IntegriCloud