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authorÁlvaro Fernández Rojas <noltari@gmail.com>2021-02-18 18:04:33 +0100
committerÁlvaro Fernández Rojas <noltari@gmail.com>2021-02-18 23:42:32 +0100
commitf07e572f6447465d8938679533d604e402b0f066 (patch)
treecb333bd2a67e59e7c07659514850a0fd55fc825e /target/linux/bcm27xx/patches-5.4/950-0744-drm-vc4-Add-FKMS-as-an-acceptable-node-for-dma-range.patch
parent5d3a6fd970619dfc55f8259035c3027d7613a2a6 (diff)
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bcm27xx: import latest patches from the RPi foundation
bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G bcm2710: boot tested on RPi 3B v1.2 bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0744-drm-vc4-Add-FKMS-as-an-acceptable-node-for-dma-range.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.4/950-0744-drm-vc4-Add-FKMS-as-an-acceptable-node-for-dma-range.patch27
1 files changed, 27 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0744-drm-vc4-Add-FKMS-as-an-acceptable-node-for-dma-range.patch b/target/linux/bcm27xx/patches-5.4/950-0744-drm-vc4-Add-FKMS-as-an-acceptable-node-for-dma-range.patch
new file mode 100644
index 0000000000..127c5aef11
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0744-drm-vc4-Add-FKMS-as-an-acceptable-node-for-dma-range.patch
@@ -0,0 +1,27 @@
+From 971a2bb14b459819db1bda8fcdf953e493242b42 Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.com>
+Date: Tue, 19 May 2020 16:20:30 +0100
+Subject: [PATCH] drm/vc4: Add FKMS as an acceptable node for dma
+ ranges.
+
+Under FKMS, the firmware (via FKMS) also requires the VideoCore cache
+aliases for image planes, as defined by the dma-ranges under /soc.
+
+Add rpi-firmware-kms to the list of acceptable nodes to look for
+to copy dma config from.
+
+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
+@@ -251,6 +251,7 @@ static void vc4_match_add_drivers(struct
+
+ const struct of_device_id vc4_dma_range_matches[] = {
+ { .compatible = "brcm,bcm2835-hvs" },
++ { .compatible = "raspberrypi,rpi-firmware-kms" },
+ { .compatible = "brcm,bcm2835-v3d" },
+ { .compatible = "brcm,cygnus-v3d" },
+ { .compatible = "brcm,vc4-v3d" },