On Wed, Aug 24, 2016 at 8:35 AM, Guodong Xu <[email protected]> wrote: > To support display in Debian on HiKey, cma heap is used to allocate > graphic buffers. The default size of CMA is 16 MB which is not enought.
s/enought/enough/ > > Increase the default CMA size to 128 MB. > > cc: Rob Herring <[email protected]> > cc: Fathi Boudra <[email protected]> > cc: John Stultz <[email protected]> > cc: Xinliang Liu <[email protected]> > Signed-off-by: Guodong Xu <[email protected]> > --- > arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts > b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts > index 4a51058..abb3434 100644 > --- a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts > +++ b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts > @@ -45,6 +45,20 @@ > <0x00000000 0x22000000 0x00000000 0x1c000000>; > }; > > + reserved-memory { > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; > + > + /* global autoconfigured region for contiguous allocations */ > + linux,cma { > + compatible = "shared-dma-pool"; > + reusable; > + size = <0x00000000 0x08000000>; > + linux,cma-default; > + }; > + }; > + > pstore: pstore@0x21f00000 { So what is upstream (as of 4.8) for ramoops also uses reserved-memory, so you should separately fix this. Acked-by: Rob Herring <[email protected]> Rob
