openwrt/target/linux/bcm27xx/patches-5.15/950-0428-drm-vc4-Add-the-2711-HVS-as-a-suitable-DMA-node.patch

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From b7737b9299e9636e8ec2acaddf34300eb378ce50 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Mon, 26 Oct 2020 12:38:27 +0000
Subject: [PATCH] drm/vc4: Add the 2711 HVS as a suitable DMA node
With vc4-drv node not being under /soc on Pi4, we need to
adopt the correct DMA parameters from a suitable sub-component.
Add "brcm,bcm2711-hvs" to that list of components.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
drivers/gpu/drm/vc4/vc4_drv.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/gpu/drm/vc4/vc4_drv.c
+++ b/drivers/gpu/drm/vc4/vc4_drv.c
@@ -219,6 +219,7 @@ static void vc4_match_add_drivers(struct
static const struct of_device_id vc4_dma_range_matches[] = {
{ .compatible = "brcm,bcm2711-hvs" },
{ .compatible = "brcm,bcm2835-hvs" },
+ { .compatible = "brcm,bcm2711-hvs" },
{ .compatible = "raspberrypi,rpi-firmware-kms" },
{ .compatible = "brcm,bcm2835-v3d" },
{ .compatible = "brcm,cygnus-v3d" },