diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0421-ARM-dts-Remove-CMA-allocation-from-Pi-4-dts.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0421-ARM-dts-Remove-CMA-allocation-from-Pi-4-dts.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0421-ARM-dts-Remove-CMA-allocation-from-Pi-4-dts.patch b/target/linux/bcm27xx/patches-5.4/950-0421-ARM-dts-Remove-CMA-allocation-from-Pi-4-dts.patch new file mode 100644 index 0000000000..2c093459da --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0421-ARM-dts-Remove-CMA-allocation-from-Pi-4-dts.patch @@ -0,0 +1,32 @@ +From 1a66f120abddf36eaf2540532ddeb7f7767442c5 Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.com> +Date: Sat, 1 Feb 2020 08:58:11 +0000 +Subject: [PATCH] ARM: dts: Remove CMA allocation from Pi 4 dts + +The 5.5 tree includes a patch to disable the CMA command line +parameter and replace it with properties from a DT node. +The upstream Pi 4 .dts, now used downstream with modifications, +includes the "linux,cma" node, but only reserves 32MB which is +often not enough. + +Temporarily remove the "linux,cma" node to reenable the command line +parameter. + +Signed-off-by: Phil Elwell <phil@raspberrypi.com> +--- + arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 4 ++++ + 1 file changed, 4 insertions(+) + +--- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts ++++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts +@@ -167,6 +167,10 @@ + }; + + /delete-node/ wifi-pwrseq; ++ ++ reserved-memory { ++ /delete-node/ linux,cma; ++ }; + }; + + &mmcnr { |