Signed-off-by: Philipp Zabel <[email protected]>
---
drivers/staging/imx-drm/ipu-v3/ipu-dp.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/staging/imx-drm/ipu-v3/ipu-dp.c
b/drivers/staging/imx-drm/ipu-v3/ipu-dp.c
index 6980fa1..d90f82a 100644
--- a/drivers/staging/imx-drm/ipu-v3/ipu-dp.c
+++ b/drivers/staging/imx-drm/ipu-v3/ipu-dp.c
@@ -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);
--
1.9.1
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