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* [PATCH] drm: vc4_hdmi: Replace long udelay with usleep_range
@ 2018-02-24 12:38 Stefan Wahren
  2018-03-05 18:20 ` Eric Anholt
  0 siblings, 1 reply; 2+ messages in thread
From: Stefan Wahren @ 2018-02-24 12:38 UTC (permalink / raw)
  To: Eric Anholt, David Airlie; +Cc: Stefan Wahren, Boris Brezillon, dri-devel

Since we aren't in atomic context replace this long udelay with a
usleep_range.

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
---
 drivers/gpu/drm/vc4/vc4_hdmi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 984501e..1a6db29 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -681,7 +681,7 @@ static void vc4_hdmi_encoder_enable(struct drm_encoder *encoder)
 			   drift & ~VC4_HDMI_FIFO_CTL_RECENTER);
 		HDMI_WRITE(VC4_HDMI_FIFO_CTL,
 			   drift | VC4_HDMI_FIFO_CTL_RECENTER);
-		udelay(1000);
+		usleep_range(1000, 1100);
 		HDMI_WRITE(VC4_HDMI_FIFO_CTL,
 			   drift & ~VC4_HDMI_FIFO_CTL_RECENTER);
 		HDMI_WRITE(VC4_HDMI_FIFO_CTL,
-- 
2.7.4

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^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] drm: vc4_hdmi: Replace long udelay with usleep_range
  2018-02-24 12:38 [PATCH] drm: vc4_hdmi: Replace long udelay with usleep_range Stefan Wahren
@ 2018-03-05 18:20 ` Eric Anholt
  0 siblings, 0 replies; 2+ messages in thread
From: Eric Anholt @ 2018-03-05 18:20 UTC (permalink / raw)
  To: David Airlie; +Cc: Stefan Wahren, Boris Brezillon, dri-devel


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Stefan Wahren <stefan.wahren@i2se.com> writes:

> Since we aren't in atomic context replace this long udelay with a
> usleep_range.

Reviewed and pushed to drm-misc-next. Thanks!

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