r300_mc_wait_for_idle
if (r300_mc_wait_for_idle(rdev))
if (r300_mc_wait_for_idle(rdev)) {
.mc_wait_for_idle = &r300_mc_wait_for_idle,
.mc_wait_for_idle = &r300_mc_wait_for_idle,
.mc_wait_for_idle = &r300_mc_wait_for_idle,
extern int r300_mc_wait_for_idle(struct radeon_device *rdev);