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author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-06-30 15:33:32 +0100 |
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committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-06-30 15:42:28 +0100 |
commit | 2c2ccc3abc0b1eb16cdc44f1f7430ebe171e4b43 (patch) | |
tree | 025ccc677c5a8fe7b2b4d2c4b29b746265bd8fdb /drivers/gpu/drm/i915/intel_runtime_pm.c | |
parent | d54fe4aad783ef68ffbd5e1bb7b4a33669b1b257 (diff) | |
download | linux-next-2c2ccc3abc0b1eb16cdc44f1f7430ebe171e4b43.tar.gz |
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.c | 7 |
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); } |