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ENGR00240988: ARM: imx6q: add dma_zone_size for GPU limit
authorShawn Guo <shawn.guo@freescale.com>
Wed, 31 Jul 2013 02:24:07 +0000 (10:24 +0800)
committerJason Liu <r64343@freescale.com>
Wed, 30 Oct 2013 01:54:01 +0000 (09:54 +0800)
commit989240eeeb0db5e21bf40e0fb2dd669eea0fa12a
tree3a28abe1f8a9be0b84b13dec0aa4615b084b4e87tree | snapshot
parent52f87c5c1b8a6ac259d64fe89201fc6f55a89e46commit | diff
ENGR00240988: ARM: imx6q: add dma_zone_size for GPU limit

GPU has a limit on physical address that it accesses, which must be
below 2GiB.  Since i.MX6Q/DL maps system memory at 0x10000000 (offset
256MiB), we set dma_zone_size as (SZ_2G - SZ_256M) to ensure that.

Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
arch/arm/mach-imx/Kconfig diff | blob | history
arch/arm/mach-imx/mach-imx6q.c diff | blob | history
Linux kernel for KaRo TX COM modules