drm/vc4: Replace long HDMI udelay with usleep_range
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
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@ -681,7 +681,7 @@ static void vc4_hdmi_encoder_enable(struct drm_encoder *encoder)
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drift & ~VC4_HDMI_FIFO_CTL_RECENTER);
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HDMI_WRITE(VC4_HDMI_FIFO_CTL,
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drift | VC4_HDMI_FIFO_CTL_RECENTER);
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udelay(1000);
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usleep_range(1000, 1100);
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HDMI_WRITE(VC4_HDMI_FIFO_CTL,
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drift & ~VC4_HDMI_FIFO_CTL_RECENTER);
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HDMI_WRITE(VC4_HDMI_FIFO_CTL,
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