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drm/i915: Convert wait_for(I915_READ(reg)) to intel_wait_for_register()

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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/1467297225-21379-30-git-send-email-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2016-06-30 15:33:13 +01:00
parent 27bf23a911
commit 9b6a2d72d9
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/i915/intel_dsi.c
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@ -90,7 +90,9 @@ static void wait_for_dsi_fifo_empty(struct intel_dsi *intel_dsi, enum port port)
mask = LP_CTRL_FIFO_EMPTY | HS_CTRL_FIFO_EMPTY |
LP_DATA_FIFO_EMPTY | HS_DATA_FIFO_EMPTY;
if (wait_for((I915_READ(MIPI_GEN_FIFO_STAT(port)) & mask) == mask, 100))
if (intel_wait_for_register(dev_priv,
MIPI_GEN_FIFO_STAT(port), mask, mask,
100))
DRM_ERROR("DPI FIFOs are not empty\n");
}