From f507cd22035fdadd5dbb476dd05e9e7ee21c3b84 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Fri, 6 Mar 2009 02:54:09 +0000 Subject: ps3/block: Replace mtd/ps3vram by block/ps3vram Convert the PS3 Video RAM Storage Driver from an MTD driver to a plain block device driver. The ps3vram driver exposes unused video RAM on the PS3 as a block device suitable for storage or swap. Fast data transfer is achieved using a local cache in system RAM and DMA transfers via the GPU. The new driver is ca. 50% faster for reading, and ca. 10% for writing. Signed-off-by: Geert Uytterhoeven Acked-by: Geoff Levand Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/ps3/Kconfig | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'arch/powerpc') diff --git a/arch/powerpc/platforms/ps3/Kconfig b/arch/powerpc/platforms/ps3/Kconfig index 920cf7a454b..740ef56a155 100644 --- a/arch/powerpc/platforms/ps3/Kconfig +++ b/arch/powerpc/platforms/ps3/Kconfig @@ -128,6 +128,13 @@ config PS3_FLASH be disabled on the kernel command line using "ps3flash=off", to not allocate this fixed buffer. +config PS3_VRAM + tristate "PS3 Video RAM Storage Driver" + depends on FB_PS3=y && BLOCK && m + help + This driver allows you to use excess PS3 video RAM as volatile + storage or system swap. + config PS3_LPM tristate "PS3 Logical Performance Monitor support" depends on PPC_PS3 -- cgit v1.2.3