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drm/vc4: Replace long HDMI udelay with usleep_range

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

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/1519475894-11701-1-git-send-email-stefan.wahren@i2se.com
This commit is contained in:
Stefan Wahren 2018-02-24 13:38:14 +01:00 committed by Eric Anholt
parent 423ad7b3cb
commit d8eb9de423
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/vc4/vc4_hdmi.c
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@ -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,