From 92681fe7e98eb8c0a3ef6e850db399b2de192562 Mon Sep 17 00:00:00 2001 From: Lucas Stach Date: Wed, 8 Mar 2017 12:13:18 +0100 Subject: [PATCH] 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: Lucas Stach Signed-off-by: Philipp Zabel --- drivers/gpu/ipu-v3/ipu-common.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c index 4c84539..7aefcce 100644 --- a/drivers/gpu/ipu-v3/ipu-common.c +++ b/drivers/gpu/ipu-v3/ipu-common.c @@ -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); -- 2.7.4