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Commit 92681fe7 authored by Lucas Stach's avatar Lucas Stach Committed by Philipp Zabel
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gpu: ipu-v3: hook up PRG unit 



The i.MX6 QuadPlus IPU needs to PRG unit to gain access to the
data bus. Make sure it is present and available to be used.

Signed-off-by: default avatarLucas Stach <l.stach@pengutronix.de>
Signed-off-by: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
parent 0d6c9a42

drivers/gpu/ipu-v3/ipu-common.c

+10 −1
Original line number Diff line number Diff line
@@ -939,6 +939,7 @@ static const struct of_device_id imx_ipu_dt_ids[] = { 
	{ .compatible = "fsl,imx51-ipu", .data = &ipu_type_imx51, },

	{ .compatible = "fsl,imx53-ipu", .data = &ipu_type_imx53, },

	{ .compatible = "fsl,imx6q-ipu", .data = &ipu_type_imx6q, },

	{ .compatible = "fsl,imx6qp-ipu", .data = &ipu_type_imx6q, },

	{ /* sentinel */ }

};

MODULE_DEVICE_TABLE(of, imx_ipu_dt_ids);
@@ -1398,11 +1399,19 @@ static int ipu_probe(struct platform_device *pdev) 
	if (!ipu)

		return -ENODEV;



	ipu->id = of_alias_get_id(np, "ipu");



	if (of_device_is_compatible(np, "fsl,imx6qp-ipu")) {

		ipu->prg_priv = ipu_prg_lookup_by_phandle(&pdev->dev,

							  "fsl,prg", ipu->id);

		if (!ipu->prg_priv)

			return -EPROBE_DEFER;

	}



	for (i = 0; i < 64; i++)

		ipu->channel[i].ipu = ipu;

	ipu->devtype = devtype;

	ipu->ipu_type = devtype->type;

	ipu->id = of_alias_get_id(np, "ipu");



	spin_lock_init(&ipu->lock);

	mutex_init(&ipu->channel_lock);