From: Subash Patel <subashrp@gmail.com>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Tomasz Stanislawski <t.stanislaws@samsung.com>,
linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org,
airlied@redhat.com, m.szyprowski@samsung.com,
kyungmin.park@samsung.com, sumit.semwal@ti.com,
daeinki@gmail.com, daniel.vetter@ffwll.ch, robdclark@gmail.com,
pawel@osciak.com, linaro-mm-sig@lists.linaro.org,
hverkuil@xs4all.nl, remi@remlab.net, mchehab@redhat.com,
linux-doc@vger.kernel.org, g.liakhovetski@gmx.de,
Andrzej Pietrasiewicz <andrzej.p@samsung.com>,
Kamil Debski <k.debski@samsung.com>
Subject: Re: [PATCHv5 08/13] v4l: vb2-dma-contig: add support for scatterlist in userptr mode
Date: Wed, 09 May 2012 12:16:31 +0530 [thread overview]
Message-ID: <4FAA12C7.8020307@gmail.com> (raw)
In-Reply-To: <4FA9005F.6020901@gmail.com>
[-- Attachment #1: Type: text/plain, Size: 2523 bytes --]
Hello Tomasz, Laurent,
I have printed some logs during the dmabuf export and attach for the SGT
issue below. Please find it in the attachment. I hope it will be useful.
Regards,
Subash
On 05/08/2012 04:45 PM, Subash Patel wrote:
> Hi Laurent,
>
> On 05/08/2012 02:44 PM, Laurent Pinchart wrote:
>> Hi Subash,
>>
>> On Monday 07 May 2012 20:08:25 Subash Patel wrote:
>>> Hello Thomasz, Laurent,
>>>
>>> I found an issue in the function vb2_dc_pages_to_sgt() below. I saw that
>>> during the attach, the size of the SGT and size requested mis-matched
>>> (by atleast 8k bytes). Hence I made a small correction to the code as
>>> below. I could then attach the importer properly.
>>
>> Thank you for the report.
>>
>> Could you print the content of the sglist (number of chunks and size
>> of each
>> chunk) before and after your modifications, as well as the values of
>> n_pages,
>> offset and size ?
> I will put back all the printk's and generate this. As of now, my setup
> has changed and will do this when I get sometime.
>>
>>> On 04/20/2012 08:15 PM, Tomasz Stanislawski wrote:
>>
>> [snip]
>>
>>>> +static struct sg_table *vb2_dc_pages_to_sgt(struct page **pages,
>>>> + unsigned int n_pages, unsigned long offset, unsigned long size)
>>>> +{
>>>> + struct sg_table *sgt;
>>>> + unsigned int chunks;
>>>> + unsigned int i;
>>>> + unsigned int cur_page;
>>>> + int ret;
>>>> + struct scatterlist *s;
>>>> +
>>>> + sgt = kzalloc(sizeof *sgt, GFP_KERNEL);
>>>> + if (!sgt)
>>>> + return ERR_PTR(-ENOMEM);
>>>> +
>>>> + /* compute number of chunks */
>>>> + chunks = 1;
>>>> + for (i = 1; i< n_pages; ++i)
>>>> + if (pages[i] != pages[i - 1] + 1)
>>>> + ++chunks;
>>>> +
>>>> + ret = sg_alloc_table(sgt, chunks, GFP_KERNEL);
>>>> + if (ret) {
>>>> + kfree(sgt);
>>>> + return ERR_PTR(-ENOMEM);
>>>> + }
>>>> +
>>>> + /* merging chunks and putting them into the scatterlist */
>>>> + cur_page = 0;
>>>> + for_each_sg(sgt->sgl, s, sgt->orig_nents, i) {
>>>> + unsigned long chunk_size;
>>>> + unsigned int j;
>>>
>>> size = PAGE_SIZE;
>>>
>>>> +
>>>> + for (j = cur_page + 1; j< n_pages; ++j)
>>>
>>> for (j = cur_page + 1; j< n_pages; ++j) {
>>>
>>>> + if (pages[j] != pages[j - 1] + 1)
>>>> + break;
>>>
>>> size += PAGE
>>> }
>>>
>>>> +
>>>> + chunk_size = ((j - cur_page)<< PAGE_SHIFT) - offset;
>>>> + sg_set_page(s, pages[cur_page], min(size, chunk_size), offset);
>>>
>>> [DELETE] size -= chunk_size;
>>>
>>>> + offset = 0;
>>>> + cur_page = j;
>>>> + }
>>>> +
>>>> + return sgt;
>>>> +}
>>
> Regards,
> Subash
[-- Attachment #2: vb2_log --]
[-- Type: text/plain, Size: 14436 bytes --]
[ 178.545000] vb2_dc_pages_to_sgt() sgt->orig_nents=2
[ 178.545000] vb2_dc_pages_to_sgt():83 cur_page=0
[ 178.550000] vb2_dc_pages_to_sgt():84 offset=0
[ 178.555000] vb2_dc_pages_to_sgt():86 chunk_size=131072
[ 178.560000] vb2_dc_pages_to_sgt():89 size=4294836224
[ 178.565000] vb2_dc_pages_to_sgt() sgt->orig_nents=2
[ 178.570000] vb2_dc_pages_to_sgt():83 cur_page=32
[ 178.575000] vb2_dc_pages_to_sgt():84 offset=0
[ 178.580000] vb2_dc_pages_to_sgt():86 chunk_size=262144
[ 178.585000] vb2_dc_pages_to_sgt():89 size=4294574080
[ 178.590000] vb2_dc_pages_to_sgt() sgt->orig_nents=1
[ 178.595000] vb2_dc_pages_to_sgt():83 cur_page=0
[ 178.600000] vb2_dc_pages_to_sgt():84 offset=0
[ 178.605000] vb2_dc_pages_to_sgt():86 chunk_size=8192
[ 178.610000] vb2_dc_pages_to_sgt():89 size=4294959104
[ 178.625000] vb2_dc_pages_to_sgt() sgt->orig_nents=1
[ 178.625000] vb2_dc_pages_to_sgt():83 cur_page=0
[ 178.630000] vb2_dc_pages_to_sgt():84 offset=0
[ 178.635000] vb2_dc_pages_to_sgt():86 chunk_size=131072
[ 178.640000] vb2_dc_pages_to_sgt():89 size=4294836224
[ 178.645000] vb2_dc_pages_to_sgt() sgt->orig_nents=1
[ 178.650000] vb2_dc_pages_to_sgt():83 cur_page=0
[ 178.655000] vb2_dc_pages_to_sgt():84 offset=0
[ 178.660000] vb2_dc_pages_to_sgt():86 chunk_size=131072
[ 178.665000] vb2_dc_pages_to_sgt():89 size=4294836224
[ 178.670000] vb2_dc_mmap: mapped dma addr 0x20060000 at 0xb6e01000, size 131072
[ 178.670000] vb2_dc_mmap: mapped dma addr 0x20080000 at 0xb6de1000, size 131072
[ 178.680000] vb2_dc_pages_to_sgt() sgt->orig_nents=2
[ 178.685000] vb2_dc_pages_to_sgt():83 cur_page=0
[ 178.690000] vb2_dc_pages_to_sgt():84 offset=0
[ 178.695000] vb2_dc_pages_to_sgt():86 chunk_size=4096
[ 178.700000] vb2_dc_pages_to_sgt():89 size=4294963200
[ 178.705000] vb2_dc_pages_to_sgt() sgt->orig_nents=2
[ 178.710000] vb2_dc_pages_to_sgt():83 cur_page=1
[ 178.715000] vb2_dc_pages_to_sgt():84 offset=0
[ 178.715000] vb2_dc_pages_to_sgt():86 chunk_size=8192
[ 178.720000] vb2_dc_pages_to_sgt():89 size=4294955008
[ 178.725000] vb2_dc_pages_to_sgt() sgt->orig_nents=1
[ 178.730000] vb2_dc_pages_to_sgt():83 cur_page=0
[ 178.735000] vb2_dc_pages_to_sgt():84 offset=0
[ 178.740000] vb2_dc_pages_to_sgt():86 chunk_size=8192
[ 178.745000] vb2_dc_pages_to_sgt():89 size=4294959104
[ 178.750000] vb2_dc_pages_to_sgt() sgt->orig_nents=1
[ 178.755000] vb2_dc_pages_to_sgt():83 cur_page=0
[ 178.760000] vb2_dc_pages_to_sgt():84 offset=0
[ 178.765000] vb2_dc_pages_to_sgt():86 chunk_size=131072
[ 178.770000] vb2_dc_pages_to_sgt():89 size=4294836224
[ 178.780000] vb2_dc_pages_to_sgt() sgt->orig_nents=2
[ 178.780000] vb2_dc_pages_to_sgt():83 cur_page=0
[ 178.785000] vb2_dc_pages_to_sgt():84 offset=0
[ 178.790000] vb2_dc_pages_to_sgt():86 chunk_size=65536
[ 178.795000] vb2_dc_pages_to_sgt():89 size=4294901760
[ 178.800000] vb2_dc_pages_to_sgt() sgt->orig_nents=2
[ 178.805000] vb2_dc_pages_to_sgt():83 cur_page=16
[ 178.810000] vb2_dc_pages_to_sgt():84 offset=0
[ 178.815000] vb2_dc_pages_to_sgt():86 chunk_size=393216
[ 178.820000] vb2_dc_pages_to_sgt():89 size=4294508544
[ 178.825000] vb2_dc_pages_to_sgt() sgt->orig_nents=3
[ 178.830000] vb2_dc_pages_to_sgt():83 cur_page=0
[ 178.835000] vb2_dc_pages_to_sgt():84 offset=0
[ 178.840000] vb2_dc_pages_to_sgt():86 chunk_size=32768
[ 178.845000] vb2_dc_pages_to_sgt():89 size=4294934528
[ 178.850000] vb2_dc_pages_to_sgt() sgt->orig_nents=3
[ 178.855000] vb2_dc_pages_to_sgt():83 cur_page=8
[ 178.855000] vb2_dc_pages_to_sgt():84 offset=0
[ 178.860000] vb2_dc_pages_to_sgt():86 chunk_size=65536
[ 178.865000] vb2_dc_pages_to_sgt():89 size=4294868992
[ 178.870000] vb2_dc_pages_to_sgt() sgt->orig_nents=3
[ 178.875000] vb2_dc_pages_to_sgt():83 cur_page=24
[ 178.880000] vb2_dc_pages_to_sgt():84 offset=0
[ 178.885000] vb2_dc_pages_to_sgt():86 chunk_size=131072
[ 178.890000] vb2_dc_pages_to_sgt():89 size=4294737920
[ 178.895000] vb2_dc_pages_to_sgt() sgt->orig_nents=2
[ 178.900000] vb2_dc_pages_to_sgt():83 cur_page=0
[ 178.905000] vb2_dc_pages_to_sgt():84 offset=0
[ 178.910000] vb2_dc_pages_to_sgt():86 chunk_size=65536
[ 178.915000] vb2_dc_pages_to_sgt():89 size=4294901760
[ 178.920000] vb2_dc_pages_to_sgt() sgt->orig_nents=2
[ 178.925000] vb2_dc_pages_to_sgt():83 cur_page=16
[ 178.930000] vb2_dc_pages_to_sgt():84 offset=0
[ 178.935000] vb2_dc_pages_to_sgt():86 chunk_size=393216
[ 178.940000] vb2_dc_pages_to_sgt():89 size=4294508544
[ 178.945000] vb2_dc_pages_to_sgt() sgt->orig_nents=3
[ 178.950000] vb2_dc_pages_to_sgt():83 cur_page=0
[ 178.955000] vb2_dc_pages_to_sgt():84 offset=0
[ 178.960000] vb2_dc_pages_to_sgt():86 chunk_size=32768
[ 178.965000] vb2_dc_pages_to_sgt():89 size=4294934528
[ 178.970000] vb2_dc_pages_to_sgt() sgt->orig_nents=3
[ 178.975000] vb2_dc_pages_to_sgt():83 cur_page=8
[ 178.975000] vb2_dc_pages_to_sgt():84 offset=0
[ 178.980000] vb2_dc_pages_to_sgt():86 chunk_size=65536
[ 178.985000] vb2_dc_pages_to_sgt():89 size=4294868992
[ 178.990000] vb2_dc_pages_to_sgt() sgt->orig_nents=3
[ 178.995000] vb2_dc_pages_to_sgt():83 cur_page=24
[ 179.000000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.005000] vb2_dc_pages_to_sgt():86 chunk_size=131072
[ 179.010000] vb2_dc_pages_to_sgt():89 size=4294737920
[ 179.015000] vb2_dc_pages_to_sgt() sgt->orig_nents=3
[ 179.020000] vb2_dc_pages_to_sgt():83 cur_page=0
[ 179.025000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.030000] vb2_dc_pages_to_sgt():86 chunk_size=65536
[ 179.035000] vb2_dc_pages_to_sgt():89 size=4294901760
[ 179.040000] vb2_dc_pages_to_sgt() sgt->orig_nents=3
[ 179.045000] vb2_dc_pages_to_sgt():83 cur_page=16
[ 179.050000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.055000] vb2_dc_pages_to_sgt():86 chunk_size=131072
[ 179.060000] vb2_dc_pages_to_sgt():89 size=4294770688
[ 179.065000] vb2_dc_pages_to_sgt() sgt->orig_nents=3
[ 179.070000] vb2_dc_pages_to_sgt():83 cur_page=48
[ 179.075000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.080000] vb2_dc_pages_to_sgt():86 chunk_size=262144
[ 179.085000] vb2_dc_pages_to_sgt():89 size=4294508544
[ 179.090000] vb2_dc_pages_to_sgt() sgt->orig_nents=3
[ 179.095000] vb2_dc_pages_to_sgt():83 cur_page=0
[ 179.100000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.100000] vb2_dc_pages_to_sgt():86 chunk_size=32768
[ 179.105000] vb2_dc_pages_to_sgt():89 size=4294934528
[ 179.110000] vb2_dc_pages_to_sgt() sgt->orig_nents=3
[ 179.115000] vb2_dc_pages_to_sgt():83 cur_page=8
[ 179.120000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.125000] vb2_dc_pages_to_sgt():86 chunk_size=65536
[ 179.130000] vb2_dc_pages_to_sgt():89 size=4294868992
[ 179.135000] vb2_dc_pages_to_sgt() sgt->orig_nents=3
[ 179.140000] vb2_dc_pages_to_sgt():83 cur_page=24
[ 179.145000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.150000] vb2_dc_pages_to_sgt():86 chunk_size=131072
[ 179.155000] vb2_dc_pages_to_sgt():89 size=4294737920
[ 179.160000] vb2_dc_pages_to_sgt() sgt->orig_nents=2
[ 179.165000] vb2_dc_pages_to_sgt():83 cur_page=0
[ 179.170000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.175000] vb2_dc_pages_to_sgt():86 chunk_size=65536
[ 179.180000] vb2_dc_pages_to_sgt():89 size=4294901760
[ 179.185000] vb2_dc_pages_to_sgt() sgt->orig_nents=2
[ 179.190000] vb2_dc_pages_to_sgt():83 cur_page=16
[ 179.195000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.200000] vb2_dc_pages_to_sgt():86 chunk_size=393216
[ 179.205000] vb2_dc_pages_to_sgt():89 size=4294508544
[ 179.210000] vb2_dc_pages_to_sgt() sgt->orig_nents=3
[ 179.215000] vb2_dc_pages_to_sgt():83 cur_page=0
[ 179.220000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.220000] vb2_dc_pages_to_sgt():86 chunk_size=32768
[ 179.225000] vb2_dc_pages_to_sgt():89 size=4294934528
[ 179.230000] vb2_dc_pages_to_sgt() sgt->orig_nents=3
[ 179.235000] vb2_dc_pages_to_sgt():83 cur_page=8
[ 179.240000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.245000] vb2_dc_pages_to_sgt():86 chunk_size=65536
[ 179.250000] vb2_dc_pages_to_sgt():89 size=4294868992
[ 179.255000] vb2_dc_pages_to_sgt() sgt->orig_nents=3
[ 179.260000] vb2_dc_pages_to_sgt():83 cur_page=24
[ 179.265000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.270000] vb2_dc_pages_to_sgt():86 chunk_size=131072
[ 179.275000] vb2_dc_pages_to_sgt():89 size=4294737920
[ 179.280000] vb2_dc_pages_to_sgt() sgt->orig_nents=3
[ 179.285000] vb2_dc_pages_to_sgt():83 cur_page=0
[ 179.290000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.295000] vb2_dc_pages_to_sgt():86 chunk_size=65536
[ 179.300000] vb2_dc_pages_to_sgt():89 size=4294901760
[ 179.305000] vb2_dc_pages_to_sgt() sgt->orig_nents=3
[ 179.310000] vb2_dc_pages_to_sgt():83 cur_page=16
[ 179.315000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.320000] vb2_dc_pages_to_sgt():86 chunk_size=131072
[ 179.325000] vb2_dc_pages_to_sgt():89 size=4294770688
[ 179.330000] vb2_dc_pages_to_sgt() sgt->orig_nents=3
[ 179.335000] vb2_dc_pages_to_sgt():83 cur_page=48
[ 179.340000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.340000] vb2_dc_pages_to_sgt():86 chunk_size=262144
[ 179.350000] vb2_dc_pages_to_sgt():89 size=4294508544
[ 179.355000] vb2_dc_pages_to_sgt() sgt->orig_nents=3
[ 179.355000] vb2_dc_pages_to_sgt():83 cur_page=0
[ 179.360000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.365000] vb2_dc_pages_to_sgt():86 chunk_size=32768
[ 179.370000] vb2_dc_pages_to_sgt():89 size=4294934528
[ 179.375000] vb2_dc_pages_to_sgt() sgt->orig_nents=3
[ 179.380000] vb2_dc_pages_to_sgt():83 cur_page=8
[ 179.385000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.390000] vb2_dc_pages_to_sgt():86 chunk_size=65536
[ 179.395000] vb2_dc_pages_to_sgt():89 size=4294868992
[ 179.400000] vb2_dc_pages_to_sgt() sgt->orig_nents=3
[ 179.405000] vb2_dc_pages_to_sgt():83 cur_page=24
[ 179.410000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.415000] vb2_dc_pages_to_sgt():86 chunk_size=131072
[ 179.420000] vb2_dc_pages_to_sgt():89 size=4294737920
[ 179.425000] vb2_dc_pages_to_sgt() sgt->orig_nents=2
[ 179.430000] vb2_dc_pages_to_sgt():83 cur_page=0
[ 179.435000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.440000] vb2_dc_pages_to_sgt():86 chunk_size=65536
[ 179.445000] vb2_dc_pages_to_sgt():89 size=4294901760
[ 179.450000] vb2_dc_pages_to_sgt() sgt->orig_nents=2
[ 179.455000] vb2_dc_pages_to_sgt():83 cur_page=16
[ 179.460000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.460000] vb2_dc_pages_to_sgt():86 chunk_size=393216
[ 179.470000] vb2_dc_pages_to_sgt():89 size=4294508544
[ 179.475000] vb2_dc_pages_to_sgt() sgt->orig_nents=3
[ 179.475000] vb2_dc_pages_to_sgt():83 cur_page=0
[ 179.480000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.485000] vb2_dc_pages_to_sgt():86 chunk_size=32768
[ 179.490000] vb2_dc_pages_to_sgt():89 size=4294934528
[ 179.495000] vb2_dc_pages_to_sgt() sgt->orig_nents=3
[ 179.500000] vb2_dc_pages_to_sgt():83 cur_page=8
[ 179.505000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.510000] vb2_dc_pages_to_sgt():86 chunk_size=65536
[ 179.515000] vb2_dc_pages_to_sgt():89 size=4294868992
[ 179.520000] vb2_dc_pages_to_sgt() sgt->orig_nents=3
[ 179.525000] vb2_dc_pages_to_sgt():83 cur_page=24
[ 179.530000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.535000] vb2_dc_pages_to_sgt():86 chunk_size=131072
[ 179.540000] vb2_dc_pages_to_sgt():89 size=4294737920
[ 179.545000] mmc0: Too large timeout requested for CMD25!
[ 179.545000] vb2_dc_pages_to_sgt() sgt->orig_nents=2
[ 179.550000] vb2_dc_pages_to_sgt():83 cur_page=0
[ 179.555000] mmc0: Too large timeout requested for CMD25!
[ 179.555000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.560000] vb2_dc_pages_to_sgt():86 chunk_size=65536
[ 179.565000] mmc0: Too large timeout requested for CMD25!
[ 179.565000] vb2_dc_pages_to_sgt():89 size=4294901760
[ 179.570000] vb2_dc_pages_to_sgt() sgt->orig_nents=2
[ 179.575000] vb2_dc_pages_to_sgt():83 cur_page=16
[ 179.580000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.580000] vb2_dc_pages_to_sgt():86 chunk_size=262144
[ 179.590000] vb2_dc_pages_to_sgt():89 size=4294639616
[ 179.595000] vb2_dc_mmap: mapped dma addr 0x40000000 at 0xb6d71000, size 458752
[ 179.595000] vb2_dc_mmap: mapped dma addr 0x20100000 at 0xb6d39000, size 229376
[ 179.595000] vb2_dc_mmap: mapped dma addr 0x40080000 at 0xb6cc9000, size 458752
[ 179.595000] vb2_dc_mmap: mapped dma addr 0x20140000 at 0xb6c91000, size 229376
[ 179.595000] vb2_dc_mmap: mapped dma addr 0x40100000 at 0xb6c21000, size 458752
[ 179.595000] vb2_dc_mmap: mapped dma addr 0x20180000 at 0xb6be9000, size 229376
[ 179.595000] vb2_dc_mmap: mapped dma addr 0x40180000 at 0xb6b79000, size 458752
[ 179.595000] vb2_dc_mmap: mapped dma addr 0x201c0000 at 0xb6b41000, size 229376
[ 179.595000] vb2_dc_mmap: mapped dma addr 0x40200000 at 0xb6ad1000, size 458752
[ 179.595000] vb2_dc_mmap: mapped dma addr 0x20200000 at 0xb6a99000, size 229376
[ 179.600000] vb2_dc_mmap: mapped dma addr 0x40280000 at 0xb6a29000, size 458752
[ 179.600000] vb2_dc_mmap: mapped dma addr 0x20240000 at 0xb69f1000, size 229376
[ 179.600000] vb2_dc_pages_to_sgt() sgt->orig_nents=4
[ 179.605000] vb2_dc_pages_to_sgt():83 cur_page=0
[ 179.610000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.615000] vb2_dc_pages_to_sgt():86 chunk_size=8192
[ 179.620000] vb2_dc_pages_to_sgt():89 size=4294959104
[ 179.625000] vb2_dc_pages_to_sgt() sgt->orig_nents=4
[ 179.630000] vb2_dc_pages_to_sgt():83 cur_page=2
[ 179.635000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.635000] vb2_dc_pages_to_sgt():86 chunk_size=16384
[ 179.640000] vb2_dc_pages_to_sgt():89 size=4294942720
[ 179.645000] vb2_dc_pages_to_sgt() sgt->orig_nents=4
[ 179.650000] vb2_dc_pages_to_sgt():83 cur_page=6
[ 179.655000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.660000] vb2_dc_pages_to_sgt():86 chunk_size=65536
[ 179.665000] vb2_dc_pages_to_sgt():89 size=4294877184
[ 179.670000] vb2_dc_pages_to_sgt() sgt->orig_nents=4
[ 179.675000] vb2_dc_pages_to_sgt():83 cur_page=22
[ 179.680000] vb2_dc_pages_to_sgt():84 offset=0
[ 179.685000] vb2_dc_pages_to_sgt():86 chunk_size=524288
[ 179.690000] vb2_dc_pages_to_sgt():89 size=4294352896
[ 179.695000] vb2_dc_mmap: mapped dma addr 0x20000000 at 0xb695b000, size 614400
[ 180.000000] mmc0: Too large timeout requested for CMD25!
[ 180.075000] Entering vb2_dc_get_contiguous_size()
[ 180.080000] sg_dma_address=0x20100000, sg_dma_len=393216
[ 180.085000] expected=0x20160000
[ 180.090000] Leaving vb2_dc_get_contiguous_size()
[ 180.095000] vb2_dc_map_dmabuf():671contig_size=393216, buf->size=430080
[ 180.100000] contiguous chunk is too small 393216/430080 b
next prev parent reply other threads:[~2012-05-09 6:46 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-20 14:45 [PATCHv5 00/13] Integration of videobuf2 with dmabuf Tomasz Stanislawski
2012-04-20 14:45 ` [PATCHv5 01/13] v4l: Add DMABUF as a memory type Tomasz Stanislawski
2012-04-20 14:45 ` [PATCHv5 02/13] Documentation: media: description of DMABUF importing in V4L2 Tomasz Stanislawski
2012-04-20 14:45 ` [PATCHv5 03/13] v4l: vb2: add support for shared buffer (dma_buf) Tomasz Stanislawski
2012-04-20 14:45 ` [PATCHv5 04/13] v4l: vb: remove warnings about MEMORY_DMABUF Tomasz Stanislawski
2012-04-20 14:45 ` [PATCHv5 05/13] v4l: vb2-dma-contig: Shorten vb2_dma_contig prefix to vb2_dc Tomasz Stanislawski
2012-04-20 14:45 ` [PATCHv5 06/13] v4l: vb2-dma-contig: Remove unneeded allocation context structure Tomasz Stanislawski
2012-04-20 14:45 ` [PATCHv5 07/13] v4l: vb2-dma-contig: Reorder functions Tomasz Stanislawski
2012-04-20 14:45 ` [PATCHv5 08/13] v4l: vb2-dma-contig: add support for scatterlist in userptr mode Tomasz Stanislawski
2012-04-21 17:24 ` Laurent Pinchart
2012-05-07 14:38 ` Subash Patel
2012-05-07 15:11 ` Tomasz Stanislawski
2012-05-08 5:41 ` Subash Patel
2012-05-08 9:14 ` Laurent Pinchart
2012-05-08 11:15 ` Subash Patel
2012-05-09 6:46 ` Subash Patel [this message]
2012-05-09 9:58 ` Tomasz Stanislawski
2012-04-20 14:45 ` [PATCHv5 09/13] v4l: vb2: add prepare/finish callbacks to allocators Tomasz Stanislawski
2012-04-20 14:45 ` [PATCHv5 10/13] v4l: vb2-dma-contig: add prepare/finish to dma-contig allocator Tomasz Stanislawski
2012-04-20 14:45 ` [PATCHv5 11/13] v4l: vb2-dma-contig: add support for dma_buf importing Tomasz Stanislawski
2012-04-20 14:45 ` [PATCHv5 12/13] v4l: s5p-tv: mixer: support for dmabuf importing Tomasz Stanislawski
2012-04-20 14:45 ` [PATCHv5 13/13] v4l: s5p-fimc: " Tomasz Stanislawski
2012-04-21 15:59 ` [PATCHv5 00/13] Integration of videobuf2 with dmabuf Rob Landley
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