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Message-Id: <1397488895-17930-7-git-send-email-p.zabel@pengutronix.de> Date: Mon, 14 Apr 2014 17:21:34 +0200 From: Philipp Zabel <p.zabel@...gutronix.de> To: devel@...verdev.osuosl.org, Russell King <rmk+kernel@....linux.org.uk> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, kernel@...gutronix.de, Philipp Zabel <p.zabel@...gutronix.de> Subject: [PATCH 6/7] 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: Philipp Zabel <p.zabel@...gutronix.de> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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