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Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0354-drm-vc4-Add-the-2711-HVS-as-a-suitable-DMA-node.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.10/950-0354-drm-vc4-Add-the-2711-HVS-as-a-suitable-DMA-node.patch24
1 files changed, 24 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0354-drm-vc4-Add-the-2711-HVS-as-a-suitable-DMA-node.patch b/target/linux/bcm27xx/patches-5.10/950-0354-drm-vc4-Add-the-2711-HVS-as-a-suitable-DMA-node.patch
new file mode 100644
index 0000000000..dbef01b24f
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.10/950-0354-drm-vc4-Add-the-2711-HVS-as-a-suitable-DMA-node.patch
@@ -0,0 +1,24 @@
+From 2b8894c7231f02a03e13c1785ed706471d511f8d 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
+@@ -248,6 +248,7 @@ static void vc4_match_add_drivers(struct
+
+ const struct of_device_id vc4_dma_range_matches[] = {
+ { .compatible = "brcm,bcm2835-hvs" },
++ { .compatible = "brcm,bcm2711-hvs" },
+ { .compatible = "raspberrypi,rpi-firmware-kms" },
+ { .compatible = "brcm,bcm2835-v3d" },
+ { .compatible = "brcm,cygnus-v3d" },