drm/imagination: Convert to use time_before macro

[ Upstream commit 7a5115b ]

Use time_*() macros instead of using jiffies directly to handle overflow
issues.

Fixes: cc1aeed ("drm/imagination: Implement firmware infrastructure and META FW support")
Signed-off-by: Chen Yufan <[email protected]>
Reviewed-by: Matt Coster <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Matt Coster <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>

Author: Chen Yufan

drivers/gpu/drm/imagination/pvr_ccb.c

@@ -321,7 +321,7 @@ static int pvr_kccb_reserve_slot_sync(struct pvr_device *pvr_dev)
 	bool reserved = false;
 	u32 retries = 0;
 
-	while ((jiffies - start_timestamp) < (u32)RESERVE_SLOT_TIMEOUT ||
+	while (time_before(jiffies, start_timestamp + RESERVE_SLOT_TIMEOUT) ||
 	       retries < RESERVE_SLOT_MIN_RETRIES) {
 		reserved = pvr_kccb_try_reserve_slot(pvr_dev);
 		if (reserved)