Re: [PATCH 3/8] DSPBRIDGE: Increased DMM size to 256MB

[Nishanth Menon <nm@ti.com>]

Ramirez Luna, Omar had written, on 01/07/2010 07:00 PM, the following:
> From: Hari Kanigeri <h-kanigeri2@ti.com>
> 
> This patch increases the DMM from 64MB to 256MB.

begs the question: Why?

> 
> Signed-off-by: Hari Kanigeri <h-kanigeri2@ti.com>
> Signed-off-by: Omar Ramirez Luna <omar.ramirez@ti.com>
> Signed-off-by: Leed Aguilar <leed.aguilar@ti.com>
> ---
>  arch/arm/plat-omap/include/dspbridge/dmm.h |    2 +-
>  drivers/dsp/bridge/pmgr/dmm.c              |    8 ++++----
>  2 files changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/arch/arm/plat-omap/include/dspbridge/dmm.h b/arch/arm/plat-omap/include/dspbridge/dmm.h
> index 335edf8..af0c35a 100644
> --- a/arch/arm/plat-omap/include/dspbridge/dmm.h
> +++ b/arch/arm/plat-omap/include/dspbridge/dmm.h
> @@ -41,7 +41,7 @@
>  		u32 reserved;
>  	} ;
>  
> -#define DMMPOOLSIZE      0x4000000
> +#define DMMPOOLSIZE      0x10000000
>  
>  /*
>   *  ======== DMM_GetHandle ========
> diff --git a/drivers/dsp/bridge/pmgr/dmm.c b/drivers/dsp/bridge/pmgr/dmm.c
> index 46c05c6..f878855 100644
> --- a/drivers/dsp/bridge/pmgr/dmm.c
> +++ b/drivers/dsp/bridge/pmgr/dmm.c
> @@ -103,10 +103,10 @@ static struct GT_Mask DMM_debugMask = { NULL, NULL };	/* GT trace variable */
>  
>  static u32 cRefs;		/* module reference count */
>  struct MapPage {
> -	u32   RegionSize:15;
> -	u32   MappedSize:15;
> -	u32   bReserved:1;
> -	u32   bMapped:1;
> +	u64   RegionSize:31;
> +	u64   MappedSize:31;
> +	u64   bReserved:1;
> +	u64   bMapped:1;
>  };
>  
>  /*  Create the free list */


-- 
Regards,
Nishanth Menon