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authorChris Wilson <chris@chris-wilson.co.uk>2016-06-30 15:33:32 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2016-06-30 15:42:28 +0100
commit2c2ccc3abc0b1eb16cdc44f1f7430ebe171e4b43 (patch)
tree025ccc677c5a8fe7b2b4d2c4b29b746265bd8fdb /drivers/gpu/drm/i915/intel_runtime_pm.c
parentd54fe4aad783ef68ffbd5e1bb7b4a33669b1b257 (diff)
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/1467297225-21379-49-git-send-email-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/intel_runtime_pm.c')
-rw-r--r--drivers/gpu/drm/i915/intel_runtime_pm.c7
1 files 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 22b46f5f0273..cc8766df8a37 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -365,8 +365,11 @@ static void hsw_set_power_well(struct drm_i915_private *dev_priv,
if (!is_enabled) {
DRM_DEBUG_KMS("Enabling power well\n");
- if (wait_for((I915_READ(HSW_PWR_WELL_DRIVER) &
- HSW_PWR_WELL_STATE_ENABLED), 20))
+ if (intel_wait_for_register(dev_priv,
+ HSW_PWR_WELL_DRIVER,
+ HSW_PWR_WELL_STATE_ENABLED,
+ HSW_PWR_WELL_STATE_ENABLED,
+ 20))
DRM_ERROR("Timeout enabling power well\n");
hsw_power_well_post_enable(dev_priv);
}