[Intel-gfx] [CI 50/62] drm/i915: Convert wait_for(I915_READ(reg)) to intel_wait_for_register()
Chris Wilson
chris at chris-wilson.co.uk
Thu Jun 30 14:33:33 UTC 2016
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 at chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
---
drivers/gpu/drm/i915/intel_runtime_pm.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index cc8766df8a37..9625d0326d64 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -703,8 +703,11 @@ static void skl_set_power_well(struct drm_i915_private *dev_priv,
switch (power_well->data) {
case SKL_DISP_PW_1:
- if (wait_for((I915_READ(SKL_FUSE_STATUS) &
- SKL_FUSE_PG0_DIST_STATUS), 1)) {
+ if (intel_wait_for_register(dev_priv,
+ SKL_FUSE_STATUS,
+ SKL_FUSE_PG0_DIST_STATUS,
+ SKL_FUSE_PG0_DIST_STATUS,
+ 1)) {
DRM_ERROR("PG0 not enabled\n");
return;
}
--
2.8.1
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