From: Chris Wilson Date: Thu, 30 Jun 2016 14:33:26 +0000 (+0100) Subject: drm/i915: Convert wait_for(I915_READ(reg)) to intel_wait_for_register() X-Git-Tag: android-x86-7.1-r1~121^2~73^2~335 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=eb0241c14ee936ba98d3bdf43506ccb3bef9c21a;p=android-x86%2Fkernel.git 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 Reviewed-by: Tvrtko Ursulin Link: http://patchwork.freedesktop.org/patch/msgid/1467297225-21379-43-git-send-email-chris@chris-wilson.co.uk --- diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c index 29a09bf6bd18..d299a3d95cfa 100644 --- a/drivers/gpu/drm/i915/intel_psr.c +++ b/drivers/gpu/drm/i915/intel_psr.c @@ -501,8 +501,11 @@ static void vlv_psr_disable(struct intel_dp *intel_dp) if (dev_priv->psr.active) { /* Put VLV PSR back to PSR_state 0 that is PSR Disabled. */ - if (wait_for((I915_READ(VLV_PSRSTAT(intel_crtc->pipe)) & - VLV_EDP_PSR_IN_TRANS) == 0, 1)) + if (intel_wait_for_register(dev_priv, + VLV_PSRSTAT(intel_crtc->pipe), + VLV_EDP_PSR_IN_TRANS, + 0, + 1)) WARN(1, "PSR transition took longer than expected\n"); val = I915_READ(VLV_PSRCTL(intel_crtc->pipe));