For a lot of usecases, such as display, camera, media the Raspberry Pi needs a lot more CMA than distros configure as default so we should pass this parameter through so things work as expected. Fix a spelling mistake while we're at it.
Signed-off-by: Peter Robinson <[email protected]> --- v2: Update the cma string board/raspberrypi/rpi/rpi.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/board/raspberrypi/rpi/rpi.c b/board/raspberrypi/rpi/rpi.c index ab5ea85cf9f..dd5a318d239 100644 --- a/board/raspberrypi/rpi/rpi.c +++ b/board/raspberrypi/rpi/rpi.c @@ -540,12 +540,15 @@ void update_fdt_from_fw(void *fdt, void *fw_fdt) if (fdt == fw_fdt) return; - /* The firmware provides a more precie model; so copy that */ + /* The firmware provides a more precise model; so copy that */ copy_property(fdt, fw_fdt, "/", "model"); /* memory reserve as suggested by the firmware */ copy_property(fdt, fw_fdt, "/", "memreserve"); + /* copy the CMA memory setting from the firmware DT to linux */ + copy_property(fdt, fw_fdt, "/reserved-memory/linux,cma", "size"); + /* Adjust dma-ranges for the SD card and PCI bus as they can depend on * the SoC revision */ -- 2.47.0
