diff mbox

drm: vc4_hdmi: Replace long udelay with usleep_range

Message ID 1519475894-11701-1-git-send-email-stefan.wahren@i2se.com (mailing list archive)
State New, archived
Headers show

Commit Message

Stefan Wahren Feb. 24, 2018, 12:38 p.m. UTC 
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(-)

Comments

Eric Anholt March 5, 2018, 6:20 p.m. UTC | #1 
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!
diff mbox

Patch

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,