Commit 9b6a2d72 authored Jun 30, 2016 by Chris Wilson

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/1467297225-21379-30-git-send-email-chris@chris-wilson.co.uk

parent 27bf23a9

drivers/gpu/drm/i915/intel_dsi.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -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");
		}