linux-kernel - [PATCH] gpu: drm: radeon: use time_after

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Message-Id: <1644481817-14624-1-git-send-email-wangqing@vivo.com>
Date:   Thu, 10 Feb 2022 00:30:17 -0800
From:   Qing Wang <wangqing@...o.com>
To:     Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, amd-gfx@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Cc:     Wang Qing <wangqing@...o.com>
Subject: [PATCH] gpu: drm: radeon: use time_after_eq() instead of jiffies judgment

From: Wang Qing <wangqing@...o.com>

It is better to use time_xxx() directly instead of jiffies judgment
for understanding.

Signed-off-by: Wang Qing <wangqing@...o.com>
---
 drivers/gpu/drm/radeon/radeon_pm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index c67b6dd..53d536a
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -25,6 +25,7 @@
 #include <linux/hwmon.h>
 #include <linux/pci.h>
 #include <linux/power_supply.h>
+#include <linux/jiffies.h>
 
 #include <drm/drm_vblank.h>
 
@@ -1899,7 +1900,7 @@ 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);
 		}
-- 
2.7.4