target/linux/bcm27xx/patches-6.1/950-0587-overlays-vc4-kms-fkms-v3d-Raise-CMA-to-512MB.patch

   1 From d1f5ac4f1a999b010e043072bf5d26c80d382b33 Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.com>
   3 Date: Fri, 10 Mar 2023 15:07:10 +0000
   4 Subject: [PATCH] overlays: vc4-kms/fkms-v3d: Raise CMA to 512MB
   5
   6 On Pi 4, raise the requested CMA size to 512MB by default, on the
   7 understanding that the firmware will cap that to 256MB if it's a
   8 32-bit kernel with less than 2GB of RAM.
   9
  10 Signed-off-by: Phil Elwell <phil@raspberrypi.com>
  11 ---
  12  arch/arm/boot/dts/overlays/vc4-fkms-v3d-pi4-overlay.dts | 2 +-
  13  arch/arm/boot/dts/overlays/vc4-kms-v3d-pi4-overlay.dts  | 2 +-
  14  2 files changed, 2 insertions(+), 2 deletions(-)
  15
  16 --- a/arch/arm/boot/dts/overlays/vc4-fkms-v3d-pi4-overlay.dts
  17 +++ b/arch/arm/boot/dts/overlays/vc4-fkms-v3d-pi4-overlay.dts
  18 @@ -8,7 +8,7 @@
  19  #include "cma-overlay.dts"
  20
  21  &frag0 {
  22 -       size = <((320-4)*1024*1024)>;
  23 +       size = <((512-4)*1024*1024)>;
  24  };
  25
  26  / {
  27 --- a/arch/arm/boot/dts/overlays/vc4-kms-v3d-pi4-overlay.dts
  28 +++ b/arch/arm/boot/dts/overlays/vc4-kms-v3d-pi4-overlay.dts
  29 @@ -10,7 +10,7 @@
  30  #include "cma-overlay.dts"
  31
  32  &frag0 {
  33 -       size = <((320-4)*1024*1024)>;
  34 +       size = <((512-4)*1024*1024)>;
  35  };
  36
  37  / {