target/linux/bcm27xx/patches-5.4/950-0970-overlays-Add-extra-CMA-sizes-up-to-512M.patch

   1 From 43d90a5beafa788c629c41a22623d82c10a9bbb9 Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.com>
   3 Date: Mon, 21 Sep 2020 22:00:10 +0100
   4 Subject: [PATCH] overlays: Add extra CMA sizes (up to 512M)
   5
   6 Signed-off-by: Phil Elwell <phil@raspberrypi.com>
   7 ---
   8  arch/arm/boot/dts/overlays/README          | 24 ++++++++++++++++++----
   9  arch/arm/boot/dts/overlays/cma-overlay.dts |  4 ++++
  10  2 files changed, 24 insertions(+), 4 deletions(-)
  11
  12 --- a/arch/arm/boot/dts/overlays/README
  13 +++ b/arch/arm/boot/dts/overlays/README
  14 @@ -582,7 +582,11 @@ Name:   cma
  15  Info:   Set custom CMA sizes, only use if you know what you are doing, might
  16          clash with other overlays like vc4-fkms-v3d and vc4-kms-v3d.
  17  Load:   dtoverlay=cma,<param>=<val>
  18 -Params: cma-256                 CMA is 256MB (needs 1GB)
  19 +Params: cma-512                 CMA is 512MB (needs 1GB)
  20 +        cma-448                 CMA is 448MB (needs 1GB)
  21 +        cma-384                 CMA is 384MB (needs 1GB)
  22 +        cma-320                 CMA is 320MB (needs 1GB)
  23 +        cma-256                 CMA is 256MB (needs 1GB)
  24          cma-192                 CMA is 192MB (needs 1GB)
  25          cma-128                 CMA is 128MB
  26          cma-96                  CMA is 96MB
  27 @@ -2892,7 +2896,11 @@ Name:   vc4-fkms-v3d
  28  Info:   Enable Eric Anholt's DRM VC4 V3D driver on top of the dispmanx
  29          display stack.
  30  Load:   dtoverlay=vc4-fkms-v3d,<param>
  31 -Params: cma-256                 CMA is 256MB (needs 1GB)
  32 +Params: cma-512                 CMA is 512MB (needs 1GB)
  33 +        cma-448                 CMA is 448MB (needs 1GB)
  34 +        cma-384                 CMA is 384MB (needs 1GB)
  35 +        cma-320                 CMA is 320MB (needs 1GB)
  36 +        cma-256                 CMA is 256MB (needs 1GB)
  37          cma-192                 CMA is 192MB (needs 1GB)
  38          cma-128                 CMA is 128MB
  39          cma-96                  CMA is 96MB
  40 @@ -2911,7 +2919,11 @@ Params: <None>
  41  Name:   vc4-kms-v3d
  42  Info:   Enable Eric Anholt's DRM VC4 HDMI/HVS/V3D driver.
  43  Load:   dtoverlay=vc4-kms-v3d,<param>
  44 -Params: cma-256                 CMA is 256MB (needs 1GB)
  45 +Params: cma-512                 CMA is 512MB (needs 1GB)
  46 +        cma-448                 CMA is 448MB (needs 1GB)
  47 +        cma-384                 CMA is 384MB (needs 1GB)
  48 +        cma-320                 CMA is 320MB (needs 1GB)
  49 +        cma-256                 CMA is 256MB (needs 1GB)
  50          cma-192                 CMA is 192MB (needs 1GB)
  51          cma-128                 CMA is 128MB
  52          cma-96                  CMA is 96MB
  53 @@ -2925,7 +2937,11 @@ Params: cma-256                 CMA is 2
  54  Name:   vc4-kms-v3d-pi4
  55  Info:   Enable Eric Anholt's DRM VC4 HDMI/HVS/V3D driver for Pi4.
  56  Load:   dtoverlay=vc4-kms-v3d-pi4,<param>
  57 -Params: cma-256                 CMA is 256MB
  58 +Params: cma-512                 CMA is 512MB
  59 +        cma-448                 CMA is 448MB
  60 +        cma-384                 CMA is 384MB
  61 +        cma-320                 CMA is 320MB
  62 +        cma-256                 CMA is 256MB
  63          cma-192                 CMA is 192MB
  64          cma-128                 CMA is 128MB
  65          cma-96                  CMA is 96MB
  66 --- a/arch/arm/boot/dts/overlays/cma-overlay.dts
  67 +++ b/arch/arm/boot/dts/overlays/cma-overlay.dts
  68 @@ -21,6 +21,10 @@
  69         };
  70
  71         __overrides__ {
  72 +               cma-512 = <&frag0>,"size:0=",<0x20000000>;
  73 +               cma-448 = <&frag0>,"size:0=",<0x1c000000>;
  74 +               cma-384 = <&frag0>,"size:0=",<0x18000000>;
  75 +               cma-320 = <&frag0>,"size:0=",<0x14000000>;
  76                 cma-256 = <&frag0>,"size:0=",<0x10000000>;
  77                 cma-192 = <&frag0>,"size:0=",<0xC000000>;
  78                 cma-128 = <&frag0>,"size:0=",<0x8000000>;