Hi Hans,
On Wed, Sep 23, 2015 at 10:40:56AM +0200, Hans Verkuil wrote:
> Resent, hopefully without html this time.
>
> On September 22, 2015 11:10:15 PM GMT+02:00, Sakari Ailus
> wrote:
> >Hi Tiffany,
> >
> >(Robin and Hans cc'd.)
> >
> >On Mon, Sep 21, 2015 at 08:26:11PM +0800, Tiffany Lin wro
Resent, hopefully without html this time.
On September 22, 2015 11:10:15 PM GMT+02:00, Sakari Ailus
wrote:
>Hi Tiffany,
>
>(Robin and Hans cc'd.)
>
>On Mon, Sep 21, 2015 at 08:26:11PM +0800, Tiffany Lin wrote:
>> vb2_dc_prepare use the number of SG entries dma_map_sg_attrs return.
>> But in dma_
Hi Sakari,
On Wed, Sep 23, 2015 at 4:37 AM, Sakari Ailus wrote:
> Hi Robin,
>
> On Tue, Sep 22, 2015 at 04:37:17PM +0100, Robin Murphy wrote:
>> Hi Hans,
>>
>> On 21/09/15 14:13, Hans Verkuil wrote:
>> >Hi Tiffany!
>> >
>> >On 21-09-15 14:26, Tiffany Lin wrote:
>> >>vb2_dc_prepare use the number
Hi Tiffany,
(Robin and Hans cc'd.)
On Mon, Sep 21, 2015 at 08:26:11PM +0800, Tiffany Lin wrote:
> vb2_dc_prepare use the number of SG entries dma_map_sg_attrs return.
> But in dma_sync_sg_for_device, it use lengths of each SG entries
> before dma_map_sg_attrs. dma_map_sg_attrs will concatenate
>
Hi Robin,
On Tue, Sep 22, 2015 at 04:37:17PM +0100, Robin Murphy wrote:
> Hi Hans,
>
> On 21/09/15 14:13, Hans Verkuil wrote:
> >Hi Tiffany!
> >
> >On 21-09-15 14:26, Tiffany Lin wrote:
> >>vb2_dc_prepare use the number of SG entries dma_map_sg_attrs return.
> >>But in dma_sync_sg_for_device, it
Hi Hans,
On 21/09/15 14:13, Hans Verkuil wrote:
Hi Tiffany!
On 21-09-15 14:26, Tiffany Lin wrote:
vb2_dc_prepare use the number of SG entries dma_map_sg_attrs return.
But in dma_sync_sg_for_device, it use lengths of each SG entries
before dma_map_sg_attrs. dma_map_sg_attrs will concatenate
SGs
Hi Sakari,
On Tue, 2015-09-22 at 15:07 +0300, Sakari Ailus wrote:
> Hi Tiffany,
>
> On Tue, Sep 22, 2015 at 06:19:25PM +0800, tiffany lin wrote:
> > Hi Hans,
> >
> > On Mon, 2015-09-21 at 15:13 +0200, Hans Verkuil wrote:
> > > Hi Tiffany!
> > >
> > > On 21-09-15 14:26, Tiffany Lin wrote:
> > >
Hi Tiffany,
On Tue, Sep 22, 2015 at 06:19:25PM +0800, tiffany lin wrote:
> Hi Hans,
>
> On Mon, 2015-09-21 at 15:13 +0200, Hans Verkuil wrote:
> > Hi Tiffany!
> >
> > On 21-09-15 14:26, Tiffany Lin wrote:
> > > vb2_dc_prepare use the number of SG entries dma_map_sg_attrs return.
> > > But in dma
Hi Hans,
On Mon, 2015-09-21 at 15:13 +0200, Hans Verkuil wrote:
> Hi Tiffany!
>
> On 21-09-15 14:26, Tiffany Lin wrote:
> > vb2_dc_prepare use the number of SG entries dma_map_sg_attrs return.
> > But in dma_sync_sg_for_device, it use lengths of each SG entries
> > before dma_map_sg_attrs. dma_ma
Hi Tiffany!
On 21-09-15 14:26, Tiffany Lin wrote:
> vb2_dc_prepare use the number of SG entries dma_map_sg_attrs return.
> But in dma_sync_sg_for_device, it use lengths of each SG entries
> before dma_map_sg_attrs. dma_map_sg_attrs will concatenate
> SGs until dma length > dma seg bundary. sgt->ne
vb2_dc_prepare use the number of SG entries dma_map_sg_attrs return.
But in dma_sync_sg_for_device, it use lengths of each SG entries
before dma_map_sg_attrs. dma_map_sg_attrs will concatenate
SGs until dma length > dma seg bundary. sgt->nents will less than
sgt->orig_nents. Using SG entries after
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