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/1467297225-21379-35-git-send-email-chris@chris-wilson.co.uk
diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
index a28dc18..448741d 100644
--- a/drivers/gpu/drm/i915/intel_dsi.c
+++ b/drivers/gpu/drm/i915/intel_dsi.c
@@ -679,8 +679,9 @@
/* Wait till Clock lanes are in LP-00 state for MIPI Port A
* only. MIPI Port C has no similar bit for checking
*/
- if (wait_for(((I915_READ(port_ctrl) & AFE_LATCHOUT)
- == 0x00000), 30))
+ if (intel_wait_for_register(dev_priv,
+ port_ctrl, AFE_LATCHOUT, 0,
+ 30))
DRM_ERROR("DSI LP not going Low\n");
/* Disable MIPI PHY transparent latch */