| Message ID | 20210530171802.23649-9-paul@crapouillou.net (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 0fe0fbc867115659bbd9a0ab107d1fe9bcc432e8 |
| Headers | show |
| Series | Misc Ingenic patches | expand |
diff --git a/arch/mips/boot/dts/ingenic/rs90.dts b/arch/mips/boot/dts/ingenic/rs90.dts index 4eb1edbfc155..74fee7f01352 100644 --- a/arch/mips/boot/dts/ingenic/rs90.dts +++ b/arch/mips/boot/dts/ingenic/rs90.dts @@ -16,6 +16,18 @@ memory { reg = <0x0 0x2000000>; }; + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + vmem: video-memory@1f00000 { + compatible = "shared-dma-pool"; + reg = <0x1f00000 0x100000>; + reusable; + }; + }; + vcc: regulator { compatible = "regulator-fixed"; @@ -300,6 +312,8 @@ &tcu { }; &lcd { + memory-region = <&vmem>; + pinctrl-names = "default"; pinctrl-0 = <&pins_lcd>; };
Add a 1 MiB memory area dedicated to the video driver. This area will be managed by Linux' CMA, so that the ingenic-drm driver can be sure to always be able to allocate contiguous buffers. Signed-off-by: Paul Cercueil <paul@crapouillou.net> --- arch/mips/boot/dts/ingenic/rs90.dts | 14 ++++++++++++++ 1 file changed, 14 insertions(+)