When USB drive is ported, it gets mounted as SCSI. Why?
with warm regards,
Lalita
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Subject: Davinci-linux-open-source Digest, Vol 12, Issue 28
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"Re: Contents of Davinci-linux-open-source digest..."
Today's Topics:
1. DMA controller CSL api's (Mandala Muneendra Kumar)
2. OSD shifted when executing code on DSP (Carlos Ojea)
3. Re: OSD shifted when executing code on DSP (Carlos Ojea)
4. Re: OSD shifted when executing code on DSP (Jean-Michel Mercier)
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Message: 1
Date: Tue, 12 Dec 2006 12:59:04 +0530
From: Mandala Muneendra Kumar <[EMAIL PROTECTED]>
Subject: DMA controller CSL api's
To: <[email protected]>
Message-ID: <[EMAIL PROTECTED]>
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Hi all,
I am trying to find the CSL (Chipset library) api documents for using the
DMA feature of C64x+ DSP in DaVinci processor.
Can anyone help me out in this regard to find some info about the same?
Regards,
Muneendra.
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Message: 2
Date: Tue, 12 Dec 2006 15:57:53 +0100
From: "Carlos Ojea" <[EMAIL PROTECTED]>
Subject: OSD shifted when executing code on DSP
To: [email protected]
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Hello !
I am drawing some graphics and video on a LCD (attached to DC5) while
executing a program on the DSP. There is no interaction between both and
they haven't any shared memory areas.
Sometimes I see the OSD 'shifted' to the right for an instant, specially
when the DSP is performing a memcpy on the DDR2.
This effect never appears on video windows, only on the OSD one.
This effect does not happen if I use the analog output, but it appears if I
use the LCD attached to DC5.
Has somebody any idea about what could be happening?
Many thanks,
Carlos
------------------------------
Message: 3
Date: Tue, 12 Dec 2006 16:09:43 +0100
From: "Carlos Ojea" <[EMAIL PROTECTED]>
Subject: Re: OSD shifted when executing code on DSP
To: [email protected]
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<[EMAIL PROTECTED]>
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The effect appears even if I don't execute any program on the arm.
(it happens only on the LCD attached to DC5 and specially when the DSP do
some memcpy) The 'shift' on the OSD is not always the whole screen...
Many thanks,
Carlos
------------------------------
Message: 4
Date: Tue, 12 Dec 2006 18:56:37 +0100
From: "Jean-Michel Mercier" <[EMAIL PROTECTED]>
Subject: Re: OSD shifted when executing code on DSP
To: "Carlos Ojea" <[EMAIL PROTECTED]>,
<[email protected]>
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=response
Carlos,
May be some bandwidth issue or bus sharing
Is that a big single memcpy() ?
If yes, can you try looping around smaller shots ?
If the DSP is doing a long copy, may be the bus is not released enough for
the OSD. But this would not really explain why it occurs only for the OSD
plane and not the
Jean-Michel.
----- Original Message -----
From: "Carlos Ojea" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Tuesday, December 12, 2006 4:09 PM
Subject: Re: OSD shifted when executing code on DSP
> The effect appears even if I don't execute any program on the arm.
> (it happens only on the LCD attached to DC5 and specially when the DSP
> do some memcpy)
> The 'shift' on the OSD is not always the whole screen...
>
> Many thanks,
> Carlos
> _______________________________________________
> Davinci-linux-open-source mailing list
> [email protected]
> http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
>
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