[PATCH] drm/i915: Avoid setting timer->expires to 0

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We use timer->expires == 0 to detect if a timer had been cancelled, but
it's a valid expiration we could set. Just skip using 0 and set the
expiry for the next jiffie.

Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/i915_utils.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_utils.c b/drivers/gpu/drm/i915/i915_utils.c
index 029854ae65fc..9769d278e800 100644
--- a/drivers/gpu/drm/i915/i915_utils.c
+++ b/drivers/gpu/drm/i915/i915_utils.c
@@ -101,5 +101,5 @@ void set_timer_ms(struct timer_list *t, unsigned long timeout)
 	 */
 	barrier();
 
-	mod_timer(t, jiffies + timeout);
+	mod_timer(t, jiffies + timeout ?: 1);
 }
-- 
2.20.1

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