Kanigeri, Hari had written, on 01/07/2010 11:16 PM, the following:
Nishant,
With 64MB we were seeing cases of running out of DSP virtual memory when running multiple Multimedia use cases in parallel at a time.
Would it be better that we make this as a board specific memory
requirement? not all boards will have the same needs right?
Thank you,
Best regards,
Hari
-----Original Message-----
From: Menon, Nishanth
Sent: Friday, January 08, 2010 7:48 AM
To: Ramirez Luna, Omar
Cc: linux-omap; Hiroshi Doyu; Ameya Palande; Felipe Contreras; Guzman Lugo,
Fernando; Ramos Falcon, Ernesto; Kanigeri, Hari; Aguilar Pena, Leed
Subject: Re: [PATCH 3/8] DSPBRIDGE: Increased DMM size to 256MB
Ramirez Luna, Omar had written, on 01/07/2010 07:00 PM, the following:
From: Hari Kanigeri <[email protected]>
This patch increases the DMM from 64MB to 256MB.
begs the question: Why?
Signed-off-by: Hari Kanigeri <[email protected]>
Signed-off-by: Omar Ramirez Luna <[email protected]>
Signed-off-by: Leed Aguilar <[email protected]>
---
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;
this does not make much sense meanwhile.. what does this have to do with
the dmmpool size increase and what are these unused fields being used for?
};
/* Create the free list */
--
Regards,
Nishanth Menon
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