Hi, Rob: Rob Herring <robh+dt@xxxxxxxxxx> 於 2020年10月5日 週一 下午9:45寫道: > > On Sun, Oct 4, 2020 at 12:50 AM Phil Chang <phil.chang@xxxxxxxxxxxx> wrote: > > > > Certain SoCs need to support large amount of reserved memory > > regions, especially to follow the GKI rules from Google. > > In MTK new SoC requires more than 68 regions of reserved memory > > for each IP's usage, such as load firmware to specific sapce, > > typo > > > so that need to reserve more regisions > > typo. Missing punctuation. > > > > > Signed-off-by: Joe Liu <joe.liu@xxxxxxxxxxxx> > > Signed-off-by: YJ Chiang <yj.chiang@xxxxxxxxxxxx> > > Signed-off-by: Alix Wu <alix.wu@xxxxxxxxxxxx> > > Signed-off-by: Phil Chang <phil.chang@xxxxxxxxxxxx> > > --- > > drivers/of/of_reserved_mem.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c > > index 46b9371c8a33..595f0741dcef 100644 > > --- a/drivers/of/of_reserved_mem.c > > +++ b/drivers/of/of_reserved_mem.c > > @@ -22,7 +22,7 @@ > > #include <linux/slab.h> > > #include <linux/memblock.h> > > > > -#define MAX_RESERVED_REGIONS 64 > > +#define MAX_RESERVED_REGIONS 128 > > At some point, this starts to feel like abuse of reserved regions. > Please provide details on what the regions are. > > Also, this probably just needs to be dynamic. I think we're at that point. How about using a config like DRM_FBDEV_OVERALLOC [1] ? [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/gpu/drm/Kconfig?h=v5.9-rc8#n125 Regards, Chun-Kuang. > > Rob > > _______________________________________________ > Linux-mediatek mailing list > Linux-mediatek@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/linux-mediatek