Commit 186f1c5d 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/1467297225-21379-37-git-send-email-chris@chris-wilson.co.uk

parent 90a392c6

drivers/gpu/drm/i915/intel_dsi_pll.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -489,7 +489,11 @@ static void bxt_enable_dsi_pll(struct intel_encoder *encoder,
		I915_WRITE(BXT_DSI_PLL_ENABLE, val);

		/* Timeout and fail if PLL not locked */
		if (wait_for(I915_READ(BXT_DSI_PLL_ENABLE) & BXT_DSI_PLL_LOCKED, 1)) {
		if (intel_wait_for_register(dev_priv,
		BXT_DSI_PLL_ENABLE,
		BXT_DSI_PLL_LOCKED,
		BXT_DSI_PLL_LOCKED,
		1)) {
		DRM_ERROR("Timed out waiting for DSI PLL to lock\n");
		return;
		}