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_lrc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 62b0dc6c2642..339d8041075f 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -929,7 +929,10 @@ void intel_logical_ring_stop(struct intel_engine_cs *engine) /* TODO: Is this correct with Execlists enabled? */ I915_WRITE_MODE(engine, _MASKED_BIT_ENABLE(STOP_RING)); - if (wait_for((I915_READ_MODE(engine) & MODE_IDLE) != 0, 1000)) { + if (intel_wait_for_register(dev_priv, + RING_MI_MODE(engine->mmio_base), + MODE_IDLE, MODE_IDLE, + 1000)) { DRM_ERROR("%s :timed out trying to stop ring\n", engine->name); return; } -- 2.8.1 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
