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 <[email protected]> Reviewed-by: Tvrtko Ursulin <[email protected]> --- drivers/gpu/drm/i915/intel_display.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 1be0c02f5b4d..1c34d4039d7b 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1880,7 +1880,9 @@ static void ironlake_enable_pch_transcoder(struct drm_i915_private *dev_priv, val |= TRANS_PROGRESSIVE; I915_WRITE(reg, val | TRANS_ENABLE); - if (wait_for(I915_READ(reg) & TRANS_STATE_ENABLE, 100)) + if (intel_wait_for_register(dev_priv, + reg, TRANS_STATE_ENABLE, TRANS_STATE_ENABLE, + 100)) DRM_ERROR("failed to enable transcoder %c\n", pipe_name(pipe)); } -- 2.8.1 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
