[PATCH] drm/radeon: use time_after(a,b) to replace "a>b"

[Yu Zhe]

time_after() deals with timer wrapping correctly.

Signed-off-by: Yu Zhe <yu...@nfschina.com>
---
 drivers/gpu/drm/radeon/radeon_pm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_pm.c 
b/drivers/gpu/drm/radeon/radeon_pm.c
index e765abcb3b01..04c693ca419a 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -1899,7 +1899,7 @@ static void radeon_dynpm_idle_work_handler(struct 
work_struct *work)
                 * to false since we want to wait for vbl to avoid flicker.
                 */
                if (rdev->pm.dynpm_planned_action != DYNPM_ACTION_NONE &&
-                   jiffies > rdev->pm.dynpm_action_timeout) {
+                   time_after(jiffies, rdev->pm.dynpm_action_timeout)) {
                        radeon_pm_get_dynpm_state(rdev);
                        radeon_pm_set_clocks(rdev);
                }
-- 
2.11.0