drm/radeon/kms: use udelay for short delays

For usec delays use udelay instead of scheduling, this should allow reclocking to happen faster. Signed-off-by: Dave Airlie <airlied@redhat.com>
git-mirror · Feb 8, 2010 · 20d6c34 · 20d6c34
1 parent 57fcab6
commit 20d6c34
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c
@@ -640,7 +640,8 @@ static void atom_op_delay(atom_exec_context *ctx, int *ptr, int arg)
 	uint8_t count = U8((*ptr)++);
 	SDEBUG("   count: %d\n", count);
 	if (arg == ATOM_UNIT_MICROSEC)
-		schedule_timeout_uninterruptible(usecs_to_jiffies(count));
+		udelay(count);
+	//	schedule_timeout_uninterruptible(usecs_to_jiffies(count));
 	else
 		schedule_timeout_uninterruptible(msecs_to_jiffies(count));
 }