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 <[email protected]> Reviewed-by: Tvrtko Ursulin <[email protected]> --- drivers/gpu/drm/i915/intel_i2c.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c index 81de23098be7..6bc4c064df0b 100644 --- a/drivers/gpu/drm/i915/intel_i2c.c +++ b/drivers/gpu/drm/i915/intel_i2c.c @@ -298,15 +298,16 @@ gmbus_wait_idle(struct drm_i915_private *dev_priv) { int ret; -#define C ((I915_READ_NOTRACE(GMBUS2) & GMBUS_ACTIVE) == 0) - if (!HAS_GMBUS_IRQ(dev_priv)) - return wait_for(C, 10); + return intel_wait_for_register(dev_priv, + GMBUS2, GMBUS_ACTIVE, 0, + 10); /* Important: The hw handles only the first bit, so set only one! */ I915_WRITE(GMBUS4, GMBUS_IDLE_EN); - ret = wait_event_timeout(dev_priv->gmbus_wait_queue, C, + ret = wait_event_timeout(dev_priv->gmbus_wait_queue, + (I915_READ_NOTRACE(GMBUS2) & GMBUS_ACTIVE) == 0, msecs_to_jiffies_timeout(10)); I915_WRITE(GMBUS4, 0); @@ -315,7 +316,6 @@ gmbus_wait_idle(struct drm_i915_private *dev_priv) return 0; else return -ETIMEDOUT; -#undef C } static int -- 2.8.1 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
