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Commit 216ddd60 authored by Philipp Zabel's avatar Philipp Zabel Committed by Russell King
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imx-drm: imx-dp: when disabling the DP foreground channel, wait until the DP... 


imx-drm: imx-dp: when disabling the DP foreground channel, wait until the DP background channel is finished before disabling the IDMAC channel

Signed-off-by: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 285bbb01

drivers/staging/imx-drm/ipu-v3/ipu-dp.c

+3 −0
Original line number Diff line number Diff line
@@ -277,6 +277,9 @@ void ipu_dp_disable_channel(struct ipu_dp *dp) 
	writel(0, flow->base + DP_FG_POS);

	ipu_srm_dp_sync_update(priv->ipu);



	if (ipu_idmac_channel_busy(priv->ipu, IPUV3_CHANNEL_MEM_BG_SYNC))

		ipu_wait_interrupt(priv->ipu, IPU_IRQ_DP_SF_END, 50);



	mutex_unlock(&priv->mutex);

}

EXPORT_SYMBOL_GPL(ipu_dp_disable_channel);