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From: Anatolij Gustschin <agust@denx.de>
To: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: linux-media@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	Dan Williams <dan.j.williams@intel.com>,
	Detlev Zundel <dzu@denx.de>, Markus Niebel <Markus.Niebel@tqs.de>
Subject: Re: [PATCH 2/2 v2] dma: ipu_idmac: do not lose valid received data in the irq handler
Date: Fri, 4 Feb 2011 10:35:09 +0100	[thread overview]
Message-ID: <20110204103509.4465f23e@wker> (raw)
In-Reply-To: <Pine.LNX.4.64.1102031104090.21719@axis700.grange>

Hi all,

On Thu, 3 Feb 2011 11:09:54 +0100 (CET)
Guennadi Liakhovetski <g.liakhovetski@gmx.de> wrote:
...
> Yes, the first interrupt is different, that's where I'm dropping / 
> postponing it. With your patch only N (equal to the number of buffers 
> used, I think) first interrupts toggle, then always only one buffer is 
> used:
> 
> idmac_interrupt(): IDMAC irq 177, buf 0, current 0
> idmac_interrupt(): IDMAC irq 177, buf 1, current 1
> idmac_interrupt(): IDMAC irq 177, buf 0, current 0
> idmac_interrupt(): IDMAC irq 177, buf 1, current 1
> idmac_interrupt(): IDMAC irq 177, buf 0, current 0
> idmac_interrupt(): IDMAC irq 177, buf 1, current 1
> idmac_interrupt(): IDMAC irq 177, buf 0, current 0
> idmac_interrupt(): IDMAC irq 177, buf 0, current 0
> idmac_interrupt(): IDMAC irq 177, buf 0, current 0
> ...
> 
> Verified with both capture.c and mplayer. Could you, please, verify 
> whether you get the same behaviour and what the problem could be?

Currently I'm quite busy, but I'll look at it this week end.

Thanks,
Anatolij

WARNING: multiple messages have this Message-ID (diff)
From: agust@denx.de (Anatolij Gustschin)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2 v2] dma: ipu_idmac: do not lose valid received data in the irq handler
Date: Fri, 4 Feb 2011 10:35:09 +0100	[thread overview]
Message-ID: <20110204103509.4465f23e@wker> (raw)
In-Reply-To: <Pine.LNX.4.64.1102031104090.21719@axis700.grange>

Hi all,

On Thu, 3 Feb 2011 11:09:54 +0100 (CET)
Guennadi Liakhovetski <g.liakhovetski@gmx.de> wrote:
...
> Yes, the first interrupt is different, that's where I'm dropping / 
> postponing it. With your patch only N (equal to the number of buffers 
> used, I think) first interrupts toggle, then always only one buffer is 
> used:
> 
> idmac_interrupt(): IDMAC irq 177, buf 0, current 0
> idmac_interrupt(): IDMAC irq 177, buf 1, current 1
> idmac_interrupt(): IDMAC irq 177, buf 0, current 0
> idmac_interrupt(): IDMAC irq 177, buf 1, current 1
> idmac_interrupt(): IDMAC irq 177, buf 0, current 0
> idmac_interrupt(): IDMAC irq 177, buf 1, current 1
> idmac_interrupt(): IDMAC irq 177, buf 0, current 0
> idmac_interrupt(): IDMAC irq 177, buf 0, current 0
> idmac_interrupt(): IDMAC irq 177, buf 0, current 0
> ...
> 
> Verified with both capture.c and mplayer. Could you, please, verify 
> whether you get the same behaviour and what the problem could be?

Currently I'm quite busy, but I'll look at it this week end.

Thanks,
Anatolij

  parent reply	other threads:[~2011-02-04  9:34 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-26  8:49 [PATCH 0/2] Fix issues with frame reception from CSI on i.MX31 Anatolij Gustschin
2011-01-26  8:49 ` Anatolij Gustschin
2011-01-26  8:49 ` [PATCH 1/2] v4l: soc-camera: start stream after queueing the buffers Anatolij Gustschin
2011-01-26  8:49   ` Anatolij Gustschin
2011-01-29 19:16   ` Guennadi Liakhovetski
2011-01-29 19:16     ` Guennadi Liakhovetski
2011-01-29 19:24     ` Anatolij Gustschin
2011-01-29 19:24       ` Anatolij Gustschin
2011-01-31 12:19   ` [PATCH 1/2 v2] " Anatolij Gustschin
2011-01-31 12:19     ` Anatolij Gustschin
2011-01-26  8:49 ` [PATCH 2/2] dma: ipu_idmac: do not lose valid received data in the irq handler Anatolij Gustschin
2011-01-26  8:49   ` Anatolij Gustschin
2011-01-27  8:22   ` Anatolij Gustschin
2011-01-27  8:22     ` Anatolij Gustschin
2011-01-31  5:56     ` Dan Williams
2011-01-31  5:56       ` Dan Williams
2011-01-31 12:22   ` [PATCH 2/2 v2] " Anatolij Gustschin
2011-01-31 12:22     ` Anatolij Gustschin
2011-02-03 10:09     ` Guennadi Liakhovetski
2011-02-03 10:09       ` Guennadi Liakhovetski
2011-02-04  9:19       ` Markus Niebel
2011-02-04  9:19         ` Markus Niebel
2011-02-04  9:37         ` Guennadi Liakhovetski
2011-02-04  9:37           ` Guennadi Liakhovetski
2011-02-04 11:37           ` Markus Niebel
2011-02-04 11:37             ` Markus Niebel
2011-02-04  9:35       ` Anatolij Gustschin [this message]
2011-02-04  9:35         ` Anatolij Gustschin
2011-02-05 13:35       ` Anatolij Gustschin
2011-02-05 13:35         ` Anatolij Gustschin
2011-02-05 16:36         ` Guennadi Liakhovetski
2011-02-05 16:36           ` Guennadi Liakhovetski
2011-02-05 20:04           ` Anatolij Gustschin
2011-02-05 20:04             ` Anatolij Gustschin
2011-02-07 11:09             ` Guennadi Liakhovetski
2011-02-07 11:09               ` Guennadi Liakhovetski
2011-02-07 11:21               ` Anatolij Gustschin
2011-02-07 11:21                 ` Anatolij Gustschin
2011-02-07 11:35                 ` Guennadi Liakhovetski
2011-02-07 11:35                   ` Guennadi Liakhovetski
2011-02-07 13:01                   ` Detlev Zundel
2011-02-07 13:01                     ` Detlev Zundel
2011-02-07 13:35                     ` Guennadi Liakhovetski
2011-02-07 13:35                       ` Guennadi Liakhovetski
2011-02-07 14:43                       ` Detlev Zundel
2011-02-07 14:43                         ` Detlev Zundel
2011-02-07 13:45                   ` Anatolij Gustschin
2011-02-07 13:45                     ` Anatolij Gustschin
2011-02-07 14:00                     ` Guennadi Liakhovetski
2011-02-07 14:00                       ` Guennadi Liakhovetski
2011-02-07 16:49                     ` Guennadi Liakhovetski
2011-02-07 16:49                       ` Guennadi Liakhovetski
2011-02-14  9:57                       ` Dan Williams
2011-02-14  9:57                         ` Dan Williams
2011-01-28  7:46 ` [PATCH 0/2] Fix issues with frame reception from CSI on i.MX31 Anatolij Gustschin
2011-01-28  7:46   ` Anatolij Gustschin

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