linux-kernel - [PATCH] radeon: Use time

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Message-Id: <1400693977-21033-1-git-send-email-manuel.schoelling@gmx.de>
Date:	Wed, 21 May 2014 19:39:37 +0200
From:	Manuel Schölling <manuel.schoelling@....de>
To:	alexander.deucher@....com
Cc:	christian.koenig@....com, airlied@...ux.ie,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org,
	Manuel Schölling <manuel.schoelling@....de>
Subject: [PATCH] radeon: Use time_before()

To be future-proof and for better readability the time comparisons are modified
to use time_before() instead of plain, error-prone math.

Signed-off-by: Manuel Schölling <manuel.schoelling@....de>
---
 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 f30b842..b08db66 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -1592,7 +1592,7 @@ 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_before(rdev->pm.dynpm_action_timeout, jiffies)) {
 			radeon_pm_get_dynpm_state(rdev);
 			radeon_pm_set_clocks(rdev);
 		}
-- 
1.7.10.4

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