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SubjectRe: [PATCH v4 0/8] Add support for DMA2D of STMicroelectronics STM32 Soc series
From
Date
On 14/10/2021 13:08, Dillon Min wrote:
> Hi Hans
>
> On Thu, 14 Oct 2021 at 19:02, Hans Verkuil <hverkuil-cisco@xs4all.nl> wrote:
>>
>> On 14/10/2021 12:24, dillon.minfei@gmail.com wrote:
>>> From: Dillon Min <dillon.minfei@gmail.com>
>>>
>>> This patchset introduces a basic support for DMA2D Interface
>>> of STMicroelectronics STM32 SoC series.
>>>
>>> This first basic support implements R2M, M2M, M2M_PFC
>>> M2M_BLEND support will be added later on.
>>>
>>> This has been tested on STM32469-DISCO board.
>>>
>>> history
>>> v4:
>>> - replace V4L2_COLORFX_SET_ARGB, V4L2_CID_COLORFX_ARGB to
>>> V4L2_COLORFX_SET_RGB, V4L2_CID_COLORFX_RGB since Alpha paramter not used
>>> in current. thanks Hans.
>>> v3 link:
>>> https://lore.kernel.org/lkml/1633689012-14492-1-git-send-email-dillon.minfei@gmail.com/
>>>
>>> v3:
>>> - use V4L2_COLORFX_SET_ARGB, V4L2_CID_COLORFX_ARGB to pass argb paramter to
>>> the dma2d driver, instead of add stm32 private ioctl.
>>> - some v2's patch are removed in this version.
>>> - "[PATCH v2 7/9] media: docs: add doc for the stm32 dma2d driver"
>>> - "[PATCH v2 8/9] media: v4l: uapi: Add user control base for stm32 dma2d
>>> controls"
>>> - dma2d's driver changes based on Hans's review result. detail can be found at
>>> "media: stm32-dma2d: STM32 DMA2D driver"
>>> - add stm32 clk drivers bugfix, ltdc clock disabled after kenerl boot up.
>>> v3 based on kernel and v4l-utils git:
>>>
>>> kernel:
>>> commit 9e1ff307c779ce1f0f810c7ecce3d95bbae40896
>>> Author: Linus Torvalds <torvalds@linux-foundation.org>
>>> Date: Sun Oct 3 14:08:47 2021 -0700
>>>
>>> Linux 5.15-rc4
>>>
>>> v4l-utils:
>>> commit 700f5ded9c6de2c6dfe5d1b453d85566f95b4f0c
>>> Author: Hans Verkuil <hverkuil-cisco@xs4all.nl>
>>> Date: Sat Oct 2 11:01:05 2021 +0200
>>>
>>> test-media: show version info earlier and show cmd args
>>>
>>> Log the version info earlier and also log the command line arguments.
>>>
>>> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
>>>
>>> v2 link:
>>> https://lore.kernel.org/lkml/1626341068-20253-11-git-send-email-dillon.minfei@gmail.com/
>>>
>>>
>>> v2:
>>> - update v4l2-compliance to SHA: a4f2e3a6f306 2021-07-13 08:04:15
>>> the test results at below [1].
>>> - introduce Documentation/userspace-api/media/drivers/stm32-uapi.rst
>>> to explain the detail of dma2d's ioctl.
>>> - reserved 16 ioctls from v4l2-controls.h for stm32, introduce stm32-media.h.
>>> - collect Reviewed-by tag from Rob Herring.
>>> - update dma2d driver from Hans's review. the details can be found
>>> at related patches.
>>> v1 link:
>>> https://lore.kernel.org/lkml/1621508727-24486-1-git-send-email-dillon.minfei@gmail.com/
>>>
>>> v1:
>>> The commit based on kernel(master): c3d0e3fd41b7f0f5d5d5b6022ab7e813f04ea727
>>>
>>> Note for v4l2-compliance tool on nu-mmu platform:
>>> I add two change based on v4l-utils since commit:
>>> f0c7e3d71eaf4182bae7eb3ee0e43b4eeb047ea9
>>>
>>> - change fork() to vfork() in v4l2-test-controls.cpp
>>> since no-mmu platform don't include fork().
>>>
>>> - bypass VIDIOC_QUERYCAP nullptr check
>>> I'm not sure if this is the bug from my cross compile tool
>>> which created by buildroot. user area's nullptr can't be
>>> detected by kernel side, i was try to add access_ok()
>>> in v4l2-ioctl.c, but no help
>>>
>>> If this case must be fixed, i will continue to debug it.
>>> the error log:
>>> ...
>>> fail: v4l2-compliance.cpp(623): doioctl(node, VIDIOC_QUERYCAP, nullptr) !=
>>> EFAULT
>>> ..
>>>
>>> My changes on v4l2-compliance:
>>>
>>> diff --git a/utils/v4l2-compliance/v4l2-compliance.cpp
>>> b/utils/v4l2-compliance/v4l2-compliance.cpp
>>> index 90a5036..a25fe4f 100644
>>> --- a/utils/v4l2-compliance/v4l2-compliance.cpp
>>> +++ b/utils/v4l2-compliance/v4l2-compliance.cpp
>>> @@ -620,7 +620,7 @@ static int testCap(struct node *node)
>>>
>>> memset(&vcap, 0xff, sizeof(vcap));
>>> // Must always be there
>>> - fail_on_test(doioctl(node, VIDIOC_QUERYCAP, nullptr) != EFAULT);
>>> + //fail_on_test(doioctl(node, VIDIOC_QUERYCAP, nullptr) != EFAULT);
>>
>> I believe the reason is that if CONFIG_MMU is not set, then access_ok will
>> always return true, thus allowing NULL pointers as arguments.
>
> Great.
>
>>
>> I think the media core needs to protect itself from that specific case.
>>
>> I'll post a separate RFC patch that fixes this for the various core ioctl
>> handlers in drivers media. Please test with it to verify that it will correctly
>> handle this corner case.
>
> Sure, no problem.
>
>>
>> <snip>
>>
>>> [ 175.899445] [U] Video Capture: Captured 8 buffers
>>> [ 175.904203] [U] BA24 (32-bit ARGB 8-8-8-8) 1x1 -> AR12 (16-bit ARGB 4-4-4-4) 1x1: OK
>>> [ 175.909257] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size -323584 failed
>>
>> Where does this error message come from? I'd like to know why the size is negative, it suggests
>> a wrong formatting string.
>
> for the negative size, i will add more traces to debug, then update.
>
> error message comes from drivers/media/common/videobuf2/videobuf2-dma-contig.c
>
> 156 if (!buf->cookie) {
> 157 dev_err(dev, "dma_alloc_coherent of size %ld
> failed\n", size);

Please rebase to the latest media_tree master branch, I see you are on an outdated version.

In any case, this error is still present. 'size' is unsigned long, so this format must be %lu, not %ld.

But that still means that size is a really weird value, so I suspect that there are other
problems as well.

Regards,

Hans

> 158 kfree(buf);
> 159 return ERR_PTR(-ENOMEM);
> 160 }
>
> Best Regards
> Dillon
>
>>
>> Regards,
>>
>> Hans
>>
>>> [ 176.887971] [U] fail: v4l2-test-buffers.cpp(1349): q.reqbufs(node, 2)
>>> [ 176.891254] [U] BA24 (32-bit ARGB 8-8-8-8) 16383x65535 -> BA24 (32-bit ARGB 8-8-8-8) 16383x65535: FAIL
>>> [ 176.894591] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size -323584 failed
>>> [ 177.872809] [U] fail: v4l2-test-buffers.cpp(1349): q.reqbufs(node, 2)
>>> [ 177.875613] [U] BA24 (32-bit ARGB 8-8-8-8) 16383x65535 -> RGB3 (24-bit RGB 8-8-8) 16383x65535: FAIL
>>> [ 177.879358] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size -323584 failed
>>> [ 178.859498] [U] fail: v4l2-test-buffers.cpp(1349): q.reqbufs(node, 2)
>>> [ 178.863900] [U] BA24 (32-bit ARGB 8-8-8-8) 16383x65535 -> RGBP (16-bit RGB 5-6-5) 16383x65535: FAIL
>>> [ 178.877499] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size -323584 failed
>>> [ 179.861912] [U] fail: v4l2-test-buffers.cpp(1349): q.reqbufs(node, 2)
>>> [ 179.865414] [U] BA24 (32-bit ARGB 8-8-8-8) 16383x65535 -> AR15 (16-bit ARGB 1-5-5-5) 16383x65535: FAIL
>>> [ 179.869176] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size -323584 failed
>>> [ 180.847874] [U] fail: v4l2-test-buffers.cpp(1349): q.reqbufs(node, 2)
>>> [ 180.851154] [U] BA24 (32-bit ARGB 8-8-8-8) 16383x65535 -> AR12 (16-bit ARGB 4-4-4-4) 16383x65535: FAIL
>>> [ 181.012396] [U] Video Output: Frame #002 (select)
>>> [ 181.023820] [U] Video Output: Frame #003 (select)
>>> [ 181.027866] [U] Video Output: Frame #004 (select)
>>> [ 181.033480] [U] Video Output: Frame #005 (select)
>>> [ 181.039683] [U] Video Output: Frame #006 (select)
>>> [ 181.044731] [U] Video Output: Frame #007 (select)
>>> [ 181.054462] [U] Video Output: Frame #008 (select)
>>> [ 181.057047] [U] Video Output: Frame #009 (select)
>>> [ 181.060148] [U]
>>> [ 181.062534] [U] Video Capture: Captured 8 buffers
>>> [ 181.079381] [U] BA24 (32-bit ARGB 8-8-8-8) 240x320 -> BA24 (32-bit ARGB 8-8-8-8) 240x320: OK
>>> [ 181.211005] [U] Video Output: Frame #002 (select)
>>> [ 181.216086] [U] Video Output: Frame #003 (select)
>>> [ 181.221810] [U] Video Output: Frame #004 (select)
>>> [ 181.227030] [U] Video Output: Frame #005 (select)
>>> [ 181.232749] [U] Video Output: Frame #006 (select)
>>> [ 181.237824] [U] Video Output: Frame #007 (select)
>>> [ 181.243524] [U] Video Output: Frame #008 (select)
>>> [ 181.246555] [U] Video Output: Frame #009 (select)
>>> [ 181.247687] [U]
>>> [ 181.249550] [U] Video Capture: Captured 8 buffers
>>> [ 181.257051] [U] BA24 (32-bit ARGB 8-8-8-8) 240x320 -> RGB3 (24-bit RGB 8-8-8) 240x320: OK
>>> [ 181.379887] [U] Video Output: Frame #002 (select)
>>> [ 181.384861] [U] Video Output: Frame #003 (select)
>>> [ 181.390275] [U] Video Output: Frame #004 (select)
>>> [ 181.395316] [U] Video Output: Frame #005 (select)
>>> [ 181.400843] [U] Video Output: Frame #006 (select)
>>> [ 181.405823] [U] Video Output: Frame #007 (select)
>>> [ 181.411116] [U] Video Output: Frame #008 (select)
>>> [ 181.414056] [U] Video Output: Frame #009 (select)
>>> [ 181.415187] [U]
>>> [ 181.416633] [U] Video Capture: Captured 8 buffers
>>> [ 181.424542] [U] BA24 (32-bit ARGB 8-8-8-8) 240x320 -> RGBP (16-bit RGB 5-6-5) 240x320: OK
>>> [ 181.546524] [U] Video Output: Frame #002 (select)
>>> [ 181.551867] [U] Video Output: Frame #003 (select)
>>> [ 181.556967] [U] Video Output: Frame #004 (select)
>>> [ 181.562273] [U] Video Output: Frame #005 (select)
>>> [ 181.567476] [U] Video Output: Frame #006 (select)
>>> [ 181.572775] [U] Video Output: Frame #007 (select)
>>> [ 181.577885] [U] Video Output: Frame #008 (select)
>>> [ 181.581013] [U] Video Output: Frame #009 (select)
>>> [ 181.582141] [U]
>>> [ 181.583584] [U] Video Capture: Captured 8 buffers
>>> [ 181.591533] [U] BA24 (32-bit ARGB 8-8-8-8) 240x320 -> AR15 (16-bit ARGB 1-5-5-5) 240x320: OK
>>> [ 181.713820] [U] Video Output: Frame #002 (select)
>>> [ 181.719521] [U] Video Output: Frame #003 (select)
>>> [ 181.724220] [U] Video Output: Frame #004 (select)
>>> [ 181.729876] [U] Video Output: Frame #005 (select)
>>> [ 181.734685] [U] Video Output: Frame #006 (select)
>>> [ 181.740368] [U] Video Output: Frame #007 (select)
>>> [ 181.745185] [U] Video Output: Frame #008 (select)
>>> [ 181.748087] [U] Video Output: Frame #009 (select)
>>> [ 181.749610] [U]
>>> [ 181.751056] [U] Video Capture: Captured 8 buffers
>>> [ 181.759012] [U] BA24 (32-bit ARGB 8-8-8-8) 240x320 -> AR12 (16-bit ARGB 4-4-4-4) 240x320: OK
>>> [ 181.798926] [U] Video Output: Frame #002 (select)
>>> [ 181.802765] [U] Video Output: Frame #003 (select)
>>> [ 181.806506] [U] Video Output: Frame #004 (select)
>>> [ 181.810661] [U] Video Output: Frame #005 (select)
>>> [ 181.814404] [U] Video Output: Frame #006 (select)
>>> [ 181.818563] [U] Video Output: Frame #007 (select)
>>> [ 181.822249] [U] Video Output: Frame #008 (select)
>>> [ 181.824192] [U] Video Output: Frame #009 (select)
>>> [ 181.825320] [U]
>>> [ 181.826762] [U] Video Capture: Captured 8 buffers
>>> [ 181.831920] [U] RGB3 (24-bit RGB 8-8-8) 1x1 -> BA24 (32-bit ARGB 8-8-8-8) 1x1: OK
>>> [ 181.869600] [U] Video Output: Frame #002 (select)
>>> [ 181.873312] [U] Video Output: Frame #003 (select)
>>> [ 181.877055] [U] Video Output: Frame #004 (select)
>>> [ 181.881214] [U] Video Output: Frame #005 (select)
>>> [ 181.884958] [U] Video Output: Frame #006 (select)
>>> [ 181.890046] [U] Video Output: Frame #007 (select)
>>> [ 181.893793] [U] Video Output: Frame #008 (select)
>>> [ 181.895699] [U] Video Output: Frame #009 (select)
>>> [ 181.896828] [U]
>>> [ 181.898693] [U] Video Capture: Captured 8 buffers
>>> [ 181.903395] [U] RGB3 (24-bit RGB 8-8-8) 1x1 -> RGB3 (24-bit RGB 8-8-8) 1x1: OK
>>> [ 181.940908] [U] Video Output: Frame #002 (select)
>>> [ 181.944624] [U] Video Output: Frame #003 (select)
>>> [ 181.948778] [U] Video Output: Frame #004 (select)
>>> [ 181.952520] [U] Video Output: Frame #005 (select)
>>> [ 181.956269] [U] Video Output: Frame #006 (select)
>>> [ 181.960434] [U] Video Output: Frame #007 (select)
>>> [ 181.964171] [U] Video Output: Frame #008 (select)
>>> [ 181.966115] [U] Video Output: Frame #009 (select)
>>> [ 181.967247] [U]
>>> [ 181.969039] [U] Video Capture: Captured 8 buffers
>>> [ 181.973749] [U] RGB3 (24-bit RGB 8-8-8) 1x1 -> RGBP (16-bit RGB 5-6-5) 1x1: OK
>>> [ 182.011230] [U] Video Output: Frame #002 (select)
>>> [ 182.014969] [U] Video Output: Frame #003 (select)
>>> [ 182.019098] [U] Video Output: Frame #004 (select)
>>> [ 182.022842] [U] Video Output: Frame #005 (select)
>>> [ 182.026583] [U] Video Output: Frame #006 (select)
>>> [ 182.030919] [U] Video Output: Frame #007 (select)
>>> [ 182.034663] [U] Video Output: Frame #008 (select)
>>> [ 182.036602] [U] Video Output: Frame #009 (select)
>>> [ 182.037730] [U]
>>> [ 182.039583] [U] Video Capture: Captured 8 buffers
>>> [ 182.044294] [U] RGB3 (24-bit RGB 8-8-8) 1x1 -> AR15 (16-bit ARGB 1-5-5-5) 1x1: OK
>>> [ 182.081844] [U] Video Output: Frame #002 (select)
>>> [ 182.085683] [U] Video Output: Frame #003 (select)
>>> [ 182.089794] [U] Video Output: Frame #004 (select)
>>> [ 182.093529] [U] Video Output: Frame #005 (select)
>>> [ 182.097275] [U] Video Output: Frame #006 (select)
>>> [ 182.102306] [U] Video Output: Frame #007 (select)
>>> [ 182.106058] [U] Video Output: Frame #008 (select)
>>> [ 182.107993] [U] Video Output: Frame #009 (select)
>>> [ 182.109717] [U]
>>> [ 182.111164] [U] Video Capture: Captured 8 buffers
>>> [ 182.115800] [U] RGB3 (24-bit RGB 8-8-8) 1x1 -> AR12 (16-bit ARGB 4-4-4-4) 1x1: OK
>>> [ 182.120866] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size -1073983488 failed
>>> [ 183.101917] [U] fail: v4l2-test-buffers.cpp(1349): q.reqbufs(node, 2)
>>> [ 183.104837] [U] RGB3 (24-bit RGB 8-8-8) 16383x65535 -> BA24 (32-bit ARGB 8-8-8-8) 16383x65535: FAIL
>>> [ 183.108595] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size -1073983488 failed
>>> [ 184.088869] [U] fail: v4l2-test-buffers.cpp(1349): q.reqbufs(node, 2)
>>> [ 184.091774] [U] RGB3 (24-bit RGB 8-8-8) 16383x65535 -> RGB3 (24-bit RGB 8-8-8) 16383x65535: FAIL
>>> [ 184.095134] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size -1073983488 failed
>>> [ 185.076687] [U] fail: v4l2-test-buffers.cpp(1349): q.reqbufs(node, 2)
>>> [ 185.081734] [U] RGB3 (24-bit RGB 8-8-8) 16383x65535 -> RGBP (16-bit RGB 5-6-5) 16383x65535: FAIL
>>> [ 185.089520] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size -1073983488 failed
>>> [ 186.075117] [U] fail: v4l2-test-buffers.cpp(1349): q.reqbufs(node, 2)
>>> [ 186.078050] [U] RGB3 (24-bit RGB 8-8-8) 16383x65535 -> AR15 (16-bit ARGB 1-5-5-5) 16383x65535: FAIL
>>> [ 186.087047] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size -1073983488 failed
>>> [ 187.067454] [U] fail: v4l2-test-buffers.cpp(1349): q.reqbufs(node, 2)
>>> [ 187.070722] [U] RGB3 (24-bit RGB 8-8-8) 16383x65535 -> AR12 (16-bit ARGB 4-4-4-4) 16383x65535: FAIL
>>> [ 187.208952] [U] Video Output: Frame #002 (select)
>>> [ 187.213072] [U] Video Output: Frame #003 (select)
>>> [ 187.217909] [U] Video Output: Frame #004 (select)
>>> [ 187.230839] [U] Video Output: Frame #005 (select)
>>> [ 187.236159] [U] Video Output: Frame #006 (select)
>>> [ 187.241721] [U] Video Output: Frame #007 (select)
>>> [ 187.247706] [U] Video Output: Frame #008 (select)
>>> [ 187.250878] [U] Video Output: Frame #009 (select)
>>> [ 187.252028] [U]
>>> [ 187.253484] [U] Video Capture: Captured 8 buffers
>>> [ 187.263075] [U] RGB3 (24-bit RGB 8-8-8) 240x320 -> BA24 (32-bit ARGB 8-8-8-8) 240x320: OK
>>> [ 187.384437] [U] Video Output: Frame #002 (select)
>>> [ 187.390173] [U] Video Output: Frame #003 (select)
>>> [ 187.395043] [U] Video Output: Frame #004 (select)
>>> [ 187.400563] [U] Video Output: Frame #005 (select)
>>> [ 187.405436] [U] Video Output: Frame #006 (select)
>>> [ 187.410860] [U] Video Output: Frame #007 (select)
>>> [ 187.415903] [U] Video Output: Frame #008 (select)
>>> [ 187.419300] [U] Video Output: Frame #009 (select)
>>> [ 187.420445] [U]
>>> [ 187.421882] [U] Video Capture: Captured 8 buffers
>>> [ 187.428304] [U] RGB3 (24-bit RGB 8-8-8) 240x320 -> RGB3 (24-bit RGB 8-8-8) 240x320: OK
>>> [ 187.527404] [U] Video Output: Frame #002 (select)
>>> [ 187.532721] [U] Video Output: Frame #003 (select)
>>> [ 187.537565] [U] Video Output: Frame #004 (select)
>>> [ 187.542892] [U] Video Output: Frame #005 (select)
>>> [ 187.547735] [U] Video Output: Frame #006 (select)
>>> [ 187.552979] [U] Video Output: Frame #007 (select)
>>> [ 187.557815] [U] Video Output: Frame #008 (select)
>>> [ 187.560977] [U] Video Output: Frame #009 (select)
>>> [ 187.562108] [U]
>>> [ 187.563568] [U] Video Capture: Captured 8 buffers
>>> [ 187.570508] [U] RGB3 (24-bit RGB 8-8-8) 240x320 -> RGBP (16-bit RGB 5-6-5) 240x320: OK
>>> [ 187.669153] [U] Video Output: Frame #002 (select)
>>> [ 187.673836] [U] Video Output: Frame #003 (select)
>>> [ 187.679199] [U] Video Output: Frame #004 (select)
>>> [ 187.683921] [U] Video Output: Frame #005 (select)
>>> [ 187.690806] [U] Video Output: Frame #006 (select)
>>> [ 187.694700] [U] Video Output: Frame #007 (select)
>>> [ 187.700031] [U] Video Output: Frame #008 (select)
>>> [ 187.702729] [U] Video Output: Frame #009 (select)
>>> [ 187.703862] [U]
>>> [ 187.705315] [U] Video Capture: Captured 8 buffers
>>> [ 187.712301] [U] RGB3 (24-bit RGB 8-8-8) 240x320 -> AR15 (16-bit ARGB 1-5-5-5) 240x320: OK
>>> [ 187.810853] [U] Video Output: Frame #002 (select)
>>> [ 187.815718] [U] Video Output: Frame #003 (select)
>>> [ 187.820886] [U] Video Output: Frame #004 (select)
>>> [ 187.825738] [U] Video Output: Frame #005 (select)
>>> [ 187.830998] [U] Video Output: Frame #006 (select)
>>> [ 187.835854] [U] Video Output: Frame #007 (select)
>>> [ 187.840962] [U] Video Output: Frame #008 (select)
>>> [ 187.843658] [U] Video Output: Frame #009 (select)
>>> [ 187.844808] [U]
>>> [ 187.846267] [U] Video Capture: Captured 8 buffers
>>> [ 187.853233] [U] RGB3 (24-bit RGB 8-8-8) 240x320 -> AR12 (16-bit ARGB 4-4-4-4) 240x320: OK
>>> [ 187.892982] [U] Video Output: Frame #002 (select)
>>> [ 187.896722] [U] Video Output: Frame #003 (select)
>>> [ 187.901814] [U] Video Output: Frame #004 (select)
>>> [ 187.905570] [U] Video Output: Frame #005 (select)
>>> [ 187.909747] [U] Video Output: Frame #006 (select)
>>> [ 187.913502] [U] Video Output: Frame #007 (select)
>>> [ 187.917221] [U] Video Output: Frame #008 (select)
>>> [ 187.919598] [U] Video Output: Frame #009 (select)
>>> [ 187.920744] [U]
>>> [ 187.922187] [U] Video Capture: Captured 8 buffers
>>> [ 187.926949] [U] RGBP (16-bit RGB 5-6-5) 1x1 -> BA24 (32-bit ARGB 8-8-8-8) 1x1: OK
>>> [ 187.964548] [U] Video Output: Frame #002 (select)
>>> [ 187.968710] [U] Video Output: Frame #003 (select)
>>> [ 187.972450] [U] Video Output: Frame #004 (select)
>>> [ 187.976200] [U] Video Output: Frame #005 (select)
>>> [ 187.980386] [U] Video Output: Frame #006 (select)
>>> [ 187.984129] [U] Video Output: Frame #007 (select)
>>> [ 187.987832] [U] Video Output: Frame #008 (select)
>>> [ 187.990200] [U] Video Output: Frame #009 (select)
>>> [ 187.991334] [U]
>>> [ 187.992794] [U] Video Capture: Captured 8 buffers
>>> [ 187.997518] [U] RGBP (16-bit RGB 5-6-5) 1x1 -> RGB3 (24-bit RGB 8-8-8) 1x1: OK
>>> [ 188.035225] [U] Video Output: Frame #002 (select)
>>> [ 188.039367] [U] Video Output: Frame #003 (select)
>>> [ 188.043100] [U] Video Output: Frame #004 (select)
>>> [ 188.046869] [U] Video Output: Frame #005 (select)
>>> [ 188.051043] [U] Video Output: Frame #006 (select)
>>> [ 188.054779] [U] Video Output: Frame #007 (select)
>>> [ 188.058952] [U] Video Output: Frame #008 (select)
>>> [ 188.060869] [U] Video Output: Frame #009 (select)
>>> [ 188.062007] [U]
>>> [ 188.063481] [U] Video Capture: Captured 8 buffers
>>> [ 188.068199] [U] RGBP (16-bit RGB 5-6-5) 1x1 -> RGBP (16-bit RGB 5-6-5) 1x1: OK
>>> [ 188.105750] [U] Video Output: Frame #002 (select)
>>> [ 188.110628] [U] Video Output: Frame #003 (select)
>>> [ 188.114400] [U] Video Output: Frame #004 (select)
>>> [ 188.118583] [U] Video Output: Frame #005 (select)
>>> [ 188.122346] [U] Video Output: Frame #006 (select)
>>> [ 188.126112] [U] Video Output: Frame #007 (select)
>>> [ 188.130297] [U] Video Output: Frame #008 (select)
>>> [ 188.132256] [U] Video Output: Frame #009 (select)
>>> [ 188.133395] [U]
>>> [ 188.134832] [U] Video Capture: Captured 8 buffers
>>> [ 188.139980] [U] RGBP (16-bit RGB 5-6-5) 1x1 -> AR15 (16-bit ARGB 1-5-5-5) 1x1: OK
>>> [ 188.177179] [U] Video Output: Frame #002 (select)
>>> [ 188.181359] [U] Video Output: Frame #003 (select)
>>> [ 188.185092] [U] Video Output: Frame #004 (select)
>>> [ 188.189256] [U] Video Output: Frame #005 (select)
>>> [ 188.193014] [U] Video Output: Frame #006 (select)
>>> [ 188.196782] [U] Video Output: Frame #007 (select)
>>> [ 188.200966] [U] Video Output: Frame #008 (select)
>>> [ 188.202927] [U] Video Output: Frame #009 (select)
>>> [ 188.204076] [U]
>>> [ 188.205539] [U] Video Capture: Captured 8 buffers
>>> [ 188.210672] [U] RGBP (16-bit RGB 5-6-5) 1x1 -> AR12 (16-bit ARGB 4-4-4-4) 1x1: OK
>>> [ 188.215307] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed
>>> [ 189.195288] [U] fail: v4l2-test-buffers.cpp(1349): q.reqbufs(node, 2)
>>> [ 189.198221] [U] RGBP (16-bit RGB 5-6-5) 16383x65535 -> BA24 (32-bit ARGB 8-8-8-8) 16383x65535: FAIL
>>> [ 189.201999] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed
>>> [ 190.181652] [U] fail: v4l2-test-buffers.cpp(1349): q.reqbufs(node, 2)
>>> [ 190.184584] [U] RGBP (16-bit RGB 5-6-5) 16383x65535 -> RGB3 (24-bit RGB 8-8-8) 16383x65535: FAIL
>>> [ 190.187942] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed
>>> [ 191.169734] [U] fail: v4l2-test-buffers.cpp(1349): q.reqbufs(node, 2)
>>> [ 191.174128] [U] RGBP (16-bit RGB 5-6-5) 16383x65535 -> RGBP (16-bit RGB 5-6-5) 16383x65535: FAIL
>>> [ 191.187757] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed
>>> [ 192.173031] [U] fail: v4l2-test-buffers.cpp(1349): q.reqbufs(node, 2)
>>> [ 192.176513] [U] RGBP (16-bit RGB 5-6-5) 16383x65535 -> AR15 (16-bit ARGB 1-5-5-5) 16383x65535: FAIL
>>> [ 192.180243] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed
>>> [ 193.160460] [U] fail: v4l2-test-buffers.cpp(1349): q.reqbufs(node, 2)
>>> [ 193.163402] [U] RGBP (16-bit RGB 5-6-5) 16383x65535 -> AR12 (16-bit ARGB 4-4-4-4) 16383x65535: FAIL
>>> [ 193.274947] [U] Video Output: Frame #002 (select)
>>> [ 193.280280] [U] Video Output: Frame #003 (select)
>>> [ 193.285134] [U] Video Output: Frame #004 (select)
>>> [ 193.293553] [U] Video Output: Frame #005 (select)
>>> [ 193.301976] [U] Video Output: Frame #006 (select)
>>> [ 193.313308] [U] Video Output: Frame #007 (select)
>>> [ 193.321840] [U] Video Output: Frame #008 (select)
>>> [ 193.324248] [U] Video Output: Frame #009 (select)
>>> [ 193.325401] [U]
>>> [ 193.326861] [U] Video Capture: Captured 8 buffers
>>> [ 193.337747] [U] RGBP (16-bit RGB 5-6-5) 240x320 -> BA24 (32-bit ARGB 8-8-8-8) 240x320: OK
>>> [ 193.444950] [U] Video Output: Frame #002 (select)
>>> [ 193.450224] [U] Video Output: Frame #003 (select)
>>> [ 193.455052] [U] Video Output: Frame #004 (select)
>>> [ 193.460319] [U] Video Output: Frame #005 (select)
>>> [ 193.465127] [U] Video Output: Frame #006 (select)
>>> [ 193.470305] [U] Video Output: Frame #007 (select)
>>> [ 193.475099] [U] Video Output: Frame #008 (select)
>>> [ 193.477842] [U] Video Output: Frame #009 (select)
>>> [ 193.479391] [U]
>>> [ 193.480851] [U] Video Capture: Captured 8 buffers
>>> [ 193.487404] [U] RGBP (16-bit RGB 5-6-5) 240x320 -> RGB3 (24-bit RGB 8-8-8) 240x320: OK
>>> [ 193.571393] [U] Video Output: Frame #002 (select)
>>> [ 193.576229] [U] Video Output: Frame #003 (select)
>>> [ 193.581437] [U] Video Output: Frame #004 (select)
>>> [ 193.586293] [U] Video Output: Frame #005 (select)
>>> [ 193.591485] [U] Video Output: Frame #006 (select)
>>> [ 193.596283] [U] Video Output: Frame #007 (select)
>>> [ 193.601494] [U] Video Output: Frame #008 (select)
>>> [ 193.604143] [U] Video Output: Frame #009 (select)
>>> [ 193.605292] [U]
>>> [ 193.606751] [U] Video Capture: Captured 8 buffers
>>> [ 193.613713] [U] RGBP (16-bit RGB 5-6-5) 240x320 -> RGBP (16-bit RGB 5-6-5) 240x320: OK
>>> [ 193.697074] [U] Video Output: Frame #002 (select)
>>> [ 193.702220] [U] Video Output: Frame #003 (select)
>>> [ 193.707044] [U] Video Output: Frame #004 (select)
>>> [ 193.712181] [U] Video Output: Frame #005 (select)
>>> [ 193.716969] [U] Video Output: Frame #006 (select)
>>> [ 193.722108] [U] Video Output: Frame #007 (select)
>>> [ 193.726946] [U] Video Output: Frame #008 (select)
>>> [ 193.730038] [U] Video Output: Frame #009 (select)
>>> [ 193.731174] [U]
>>> [ 193.732631] [U] Video Capture: Captured 8 buffers
>>> [ 193.739533] [U] RGBP (16-bit RGB 5-6-5) 240x320 -> AR15 (16-bit ARGB 1-5-5-5) 240x320: OK
>>> [ 193.822311] [U] Video Output: Frame #002 (select)
>>> [ 193.827146] [U] Video Output: Frame #003 (select)
>>> [ 193.832330] [U] Video Output: Frame #004 (select)
>>> [ 193.837059] [U] Video Output: Frame #005 (select)
>>> [ 193.842231] [U] Video Output: Frame #006 (select)
>>> [ 193.847059] [U] Video Output: Frame #007 (select)
>>> [ 193.852850] [U] Video Output: Frame #008 (select)
>>> [ 193.855495] [U] Video Output: Frame #009 (select)
>>> [ 193.856643] [U]
>>> [ 193.858101] [U] Video Capture: Captured 8 buffers
>>> [ 193.865073] [U] RGBP (16-bit RGB 5-6-5) 240x320 -> AR12 (16-bit ARGB 4-4-4-4) 240x320: OK
>>> [ 193.904824] [U] Video Output: Frame #002 (select)
>>> [ 193.909125] [U] Video Output: Frame #003 (select)
>>> [ 193.912856] [U] Video Output: Frame #004 (select)
>>> [ 193.916610] [U] Video Output: Frame #005 (select)
>>> [ 193.920775] [U] Video Output: Frame #006 (select)
>>> [ 193.924532] [U] Video Output: Frame #007 (select)
>>> [ 193.928706] [U] Video Output: Frame #008 (select)
>>> [ 193.930651] [U] Video Output: Frame #009 (select)
>>> [ 193.931794] [U]
>>> [ 193.933234] [U] Video Capture: Captured 8 buffers
>>> [ 193.938007] [U] AR15 (16-bit ARGB 1-5-5-5) 1x1 -> BA24 (32-bit ARGB 8-8-8-8) 1x1: OK
>>> [ 193.975577] [U] Video Output: Frame #002 (select)
>>> [ 193.979749] [U] Video Output: Frame #003 (select)
>>> [ 193.983475] [U] Video Output: Frame #004 (select)
>>> [ 193.987350] [U] Video Output: Frame #005 (select)
>>> [ 193.991683] [U] Video Output: Frame #006 (select)
>>> [ 193.995434] [U] Video Output: Frame #007 (select)
>>> [ 193.999608] [U] Video Output: Frame #008 (select)
>>> [ 194.001553] [U] Video Output: Frame #009 (select)
>>> [ 194.002712] [U]
>>> [ 194.004171] [U] Video Capture: Captured 8 buffers
>>> [ 194.009333] [U] AR15 (16-bit ARGB 1-5-5-5) 1x1 -> RGB3 (24-bit RGB 8-8-8) 1x1: OK
>>> [ 194.046472] [U] Video Output: Frame #002 (select)
>>> [ 194.050656] [U] Video Output: Frame #003 (select)
>>> [ 194.054421] [U] Video Output: Frame #004 (select)
>>> [ 194.059442] [U] Video Output: Frame #005 (select)
>>> [ 194.063218] [U] Video Output: Frame #006 (select)
>>> [ 194.066975] [U] Video Output: Frame #007 (select)
>>> [ 194.071160] [U] Video Output: Frame #008 (select)
>>> [ 194.073114] [U] Video Output: Frame #009 (select)
>>> [ 194.074265] [U]
>>> [ 194.075723] [U] Video Capture: Captured 8 buffers
>>> [ 194.080748] [U] AR15 (16-bit ARGB 1-5-5-5) 1x1 -> RGBP (16-bit RGB 5-6-5) 1x1: OK
>>> [ 194.117903] [U] Video Output: Frame #002 (select)
>>> [ 194.122071] [U] Video Output: Frame #003 (select)
>>> [ 194.125830] [U] Video Output: Frame #004 (select)
>>> [ 194.130014] [U] Video Output: Frame #005 (select)
>>> [ 194.133781] [U] Video Output: Frame #006 (select)
>>> [ 194.137536] [U] Video Output: Frame #007 (select)
>>> [ 194.141720] [U] Video Output: Frame #008 (select)
>>> [ 194.143679] [U] Video Output: Frame #009 (select)
>>> [ 194.144831] [U]
>>> [ 194.146297] [U] Video Capture: Captured 8 buffers
>>> [ 194.151510] [U] AR15 (16-bit ARGB 1-5-5-5) 1x1 -> AR15 (16-bit ARGB 1-5-5-5) 1x1: OK
>>> [ 194.189253] [U] Video Output: Frame #002 (select)
>>> [ 194.192994] [U] Video Output: Frame #003 (select)
>>> [ 194.196765] [U] Video Output: Frame #004 (select)
>>> [ 194.200932] [U] Video Output: Frame #005 (select)
>>> [ 194.204676] [U] Video Output: Frame #006 (select)
>>> [ 194.208846] [U] Video Output: Frame #007 (select)
>>> [ 194.212618] [U] Video Output: Frame #008 (select)
>>> [ 194.214580] [U] Video Output: Frame #009 (select)
>>> [ 194.215730] [U]
>>> [ 194.217192] [U] Video Capture: Captured 8 buffers
>>> [ 194.222410] [U] AR15 (16-bit ARGB 1-5-5-5) 1x1 -> AR12 (16-bit ARGB 4-4-4-4) 1x1: OK
>>> [ 194.226996] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed
>>> [ 195.208033] [U] fail: v4l2-test-buffers.cpp(1349): q.reqbufs(node, 2)
>>> [ 195.211335] [U] AR15 (16-bit ARGB 1-5-5-5) 16383x65535 -> BA24 (32-bit ARGB 8-8-8-8) 16383x65535: FAIL
>>> [ 195.214694] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed
>>> [ 196.195051] [U] fail: v4l2-test-buffers.cpp(1349): q.reqbufs(node, 2)
>>> [ 196.198000] [U] AR15 (16-bit ARGB 1-5-5-5) 16383x65535 -> RGB3 (24-bit RGB 8-8-8) 16383x65535: FAIL
>>> [ 196.201760] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed
>>> [ 197.187625] [U] fail: v4l2-test-buffers.cpp(1349): q.reqbufs(node, 2)
>>> [ 197.192418] [U] AR15 (16-bit ARGB 1-5-5-5) 16383x65535 -> RGBP (16-bit RGB 5-6-5) 16383x65535: FAIL
>>> [ 197.205998] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed
>>> [ 198.201823] [U] fail: v4l2-test-buffers.cpp(1349): q.reqbufs(node, 2)
>>> [ 198.205331] [U] AR15 (16-bit ARGB 1-5-5-5) 16383x65535 -> AR15 (16-bit ARGB 1-5-5-5) 16383x65535: FAIL
>>> [ 198.209147] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed
>>> [ 199.200108] [U] fail: v4l2-test-buffers.cpp(1349): q.reqbufs(node, 2)
>>> [ 199.203095] [U] AR15 (16-bit ARGB 1-5-5-5) 16383x65535 -> AR12 (16-bit ARGB 4-4-4-4) 16383x65535: FAIL
>>> [ 199.320434] [U] Video Output: Frame #002 (select)
>>> [ 199.331236] [U] Video Output: Frame #003 (select)
>>> [ 199.341665] [U] Video Output: Frame #004 (select)
>>> [ 199.347031] [U] Video Output: Frame #005 (select)
>>> [ 199.352378] [U] Video Output: Frame #006 (select)
>>> [ 199.358615] [U] Video Output: Frame #007 (select)
>>> [ 199.363360] [U] Video Output: Frame #008 (select)
>>> [ 199.366138] [U] Video Output: Frame #009 (select)
>>> [ 199.367286] [U]
>>> [ 199.369727] [U] Video Capture: Captured 8 buffers
>>> [ 199.382735] [U] AR15 (16-bit ARGB 1-5-5-5) 240x320 -> BA24 (32-bit ARGB 8-8-8-8) 240x320: OK
>>> [ 199.483770] [U] Video Output: Frame #002 (select)
>>> [ 199.489043] [U] Video Output: Frame #003 (select)
>>> [ 199.493805] [U] Video Output: Frame #004 (select)
>>> [ 199.499082] [U] Video Output: Frame #005 (select)
>>> [ 199.503887] [U] Video Output: Frame #006 (select)
>>> [ 199.509167] [U] Video Output: Frame #007 (select)
>>> [ 199.513904] [U] Video Output: Frame #008 (select)
>>> [ 199.516589] [U] Video Output: Frame #009 (select)
>>> [ 199.517738] [U]
>>> [ 199.519612] [U] Video Capture: Captured 8 buffers
>>> [ 199.526169] [U] AR15 (16-bit ARGB 1-5-5-5) 240x320 -> RGB3 (24-bit RGB 8-8-8) 240x320: OK
>>> [ 199.610204] [U] Video Output: Frame #002 (select)
>>> [ 199.614310] [U] Video Output: Frame #003 (select)
>>> [ 199.619549] [U] Video Output: Frame #004 (select)
>>> [ 199.624324] [U] Video Output: Frame #005 (select)
>>> [ 199.629555] [U] Video Output: Frame #006 (select)
>>> [ 199.634317] [U] Video Output: Frame #007 (select)
>>> [ 199.639537] [U] Video Output: Frame #008 (select)
>>> [ 199.642094] [U] Video Output: Frame #009 (select)
>>> [ 199.643240] [U]
>>> [ 199.644701] [U] Video Capture: Captured 8 buffers
>>> [ 199.651701] [U] AR15 (16-bit ARGB 1-5-5-5) 240x320 -> RGBP (16-bit RGB 5-6-5) 240x320: OK
>>> [ 199.734579] [U] Video Output: Frame #002 (select)
>>> [ 199.739783] [U] Video Output: Frame #003 (select)
>>> [ 199.744573] [U] Video Output: Frame #004 (select)
>>> [ 199.749801] [U] Video Output: Frame #005 (select)
>>> [ 199.754565] [U] Video Output: Frame #006 (select)
>>> [ 199.760306] [U] Video Output: Frame #007 (select)
>>> [ 199.764463] [U] Video Output: Frame #008 (select)
>>> [ 199.767129] [U] Video Output: Frame #009 (select)
>>> [ 199.768671] [U]
>>> [ 199.770128] [U] Video Capture: Captured 8 buffers
>>> [ 199.776725] [U] AR15 (16-bit ARGB 1-5-5-5) 240x320 -> AR15 (16-bit ARGB 1-5-5-5) 240x320: OK
>>> [ 199.860726] [U] Video Output: Frame #002 (select)
>>> [ 199.865549] [U] Video Output: Frame #003 (select)
>>> [ 199.870735] [U] Video Output: Frame #004 (select)
>>> [ 199.875558] [U] Video Output: Frame #005 (select)
>>> [ 199.880566] [U] Video Output: Frame #006 (select)
>>> [ 199.885390] [U] Video Output: Frame #007 (select)
>>> [ 199.890633] [U] Video Output: Frame #008 (select)
>>> [ 199.893191] [U] Video Output: Frame #009 (select)
>>> [ 199.894336] [U]
>>> [ 199.895803] [U] Video Capture: Captured 8 buffers
>>> [ 199.902832] [U] AR15 (16-bit ARGB 1-5-5-5) 240x320 -> AR12 (16-bit ARGB 4-4-4-4) 240x320: OK
>>> [ 199.942759] [U] Video Output: Frame #002 (select)
>>> [ 199.946516] [U] Video Output: Frame #003 (select)
>>> [ 199.950683] [U] Video Output: Frame #004 (select)
>>> [ 199.954398] [U] Video Output: Frame #005 (select)
>>> [ 199.958570] [U] Video Output: Frame #006 (select)
>>> [ 199.962304] [U] Video Output: Frame #007 (select)
>>> [ 199.966066] [U] Video Output: Frame #008 (select)
>>> [ 199.968022] [U] Video Output: Frame #009 (select)
>>> [ 199.969581] [U]
>>> [ 199.971038] [U] Video Capture: Captured 8 buffers
>>> [ 199.975816] [U] AR12 (16-bit ARGB 4-4-4-4) 1x1 -> BA24 (32-bit ARGB 8-8-8-8) 1x1: OK
>>> [ 200.013529] [U] Video Output: Frame #002 (select)
>>> [ 200.017282] [U] Video Output: Frame #003 (select)
>>> [ 200.021558] [U] Video Output: Frame #004 (select)
>>> [ 200.025307] [U] Video Output: Frame #005 (select)
>>> [ 200.030378] [U] Video Output: Frame #006 (select)
>>> [ 200.034117] [U] Video Output: Frame #007 (select)
>>> [ 200.037879] [U] Video Output: Frame #008 (select)
>>> [ 200.040251] [U] Video Output: Frame #009 (select)
>>> [ 200.041403] [U]
>>> [ 200.042867] [U] Video Capture: Captured 8 buffers
>>> [ 200.047628] [U] AR12 (16-bit ARGB 4-4-4-4) 1x1 -> RGB3 (24-bit RGB 8-8-8) 1x1: OK
>>> [ 200.085144] [U] Video Output: Frame #002 (select)
>>> [ 200.089329] [U] Video Output: Frame #003 (select)
>>> [ 200.093098] [U] Video Output: Frame #004 (select)
>>> [ 200.096844] [U] Video Output: Frame #005 (select)
>>> [ 200.100998] [U] Video Output: Frame #006 (select)
>>> [ 200.104759] [U] Video Output: Frame #007 (select)
>>> [ 200.108913] [U] Video Output: Frame #008 (select)
>>> [ 200.110872] [U] Video Output: Frame #009 (select)
>>> [ 200.112025] [U]
>>> [ 200.113496] [U] Video Capture: Captured 8 buffers
>>> [ 200.118262] [U] AR12 (16-bit ARGB 4-4-4-4) 1x1 -> RGBP (16-bit RGB 5-6-5) 1x1: OK
>>> [ 200.155831] [U] Video Output: Frame #002 (select)
>>> [ 200.160021] [U] Video Output: Frame #003 (select)
>>> [ 200.163785] [U] Video Output: Frame #004 (select)
>>> [ 200.167532] [U] Video Output: Frame #005 (select)
>>> [ 200.171854] [U] Video Output: Frame #006 (select)
>>> [ 200.175597] [U] Video Output: Frame #007 (select)
>>> [ 200.179764] [U] Video Output: Frame #008 (select)
>>> [ 200.181727] [U] Video Output: Frame #009 (select)
>>> [ 200.182877] [U]
>>> [ 200.184354] [U] Video Capture: Captured 8 buffers
>>> [ 200.189552] [U] AR12 (16-bit ARGB 4-4-4-4) 1x1 -> AR15 (16-bit ARGB 1-5-5-5) 1x1: OK
>>> [ 200.226713] [U] Video Output: Frame #002 (select)
>>> [ 200.230895] [U] Video Output: Frame #003 (select)
>>> [ 200.234668] [U] Video Output: Frame #004 (select)
>>> [ 200.239766] [U] Video Output: Frame #005 (select)
>>> [ 200.243529] [U] Video Output: Frame #006 (select)
>>> [ 200.247253] [U] Video Output: Frame #007 (select)
>>> [ 200.251598] [U] Video Output: Frame #008 (select)
>>> [ 200.253548] [U] Video Output: Frame #009 (select)
>>> [ 200.254697] [U]
>>> [ 200.256156] [U] Video Capture: Captured 8 buffers
>>> [ 200.261363] [U] AR12 (16-bit ARGB 4-4-4-4) 1x1 -> AR12 (16-bit ARGB 4-4-4-4) 1x1: OK
>>> [ 200.266028] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed
>>> [ 201.257011] [U] fail: v4l2-test-buffers.cpp(1349): q.reqbufs(node, 2)
>>> [ 201.260312] [U] AR12 (16-bit ARGB 4-4-4-4) 16383x65535 -> BA24 (32-bit ARGB 8-8-8-8) 16383x65535: FAIL
>>> [ 201.263677] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed
>>> [ 202.253784] [U] fail: v4l2-test-buffers.cpp(1349): q.reqbufs(node, 2)
>>> [ 202.256738] [U] AR12 (16-bit ARGB 4-4-4-4) 16383x65535 -> RGB3 (24-bit RGB 8-8-8) 16383x65535: FAIL
>>> [ 202.260626] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed
>>> [ 203.252427] [U] fail: v4l2-test-buffers.cpp(1349): q.reqbufs(node, 2)
>>> [ 203.256851] [U] AR12 (16-bit ARGB 4-4-4-4) 16383x65535 -> RGBP (16-bit RGB 5-6-5) 16383x65535: FAIL
>>> [ 203.269821] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed
>>> [ 204.266713] [U] fail: v4l2-test-buffers.cpp(1349): q.reqbufs(node, 2)
>>> [ 204.270659] [U] AR12 (16-bit ARGB 4-4-4-4) 16383x65535 -> AR15 (16-bit ARGB 1-5-5-5) 16383x65535: FAIL
>>> [ 204.274034] stm-dma2d 4002b000.dma2d: dma_alloc_coherent of size 2147323904 failed
>>> [ 205.265063] [U] fail: v4l2-test-buffers.cpp(1349): q.reqbufs(node, 2)
>>> [ 205.268019] [U] AR12 (16-bit ARGB 4-4-4-4) 16383x65535 -> AR12 (16-bit ARGB 4-4-4-4) 16383x65535: FAIL
>>> [ 205.389607] [U] Video Output: Frame #002 (select)
>>> [ 205.393699] [U] Video Output: Frame #003 (select)
>>> [ 205.401589] [U] Video Output: Frame #004 (select)
>>> [ 205.411222] [U] Video Output: Frame #005 (select)
>>> [ 205.416545] [U] Video Output: Frame #006 (select)
>>> [ 205.421934] [U] Video Output: Frame #007 (select)
>>> [ 205.427680] [U] Video Output: Frame #008 (select)
>>> [ 205.430785] [U] Video Output: Frame #009 (select)
>>> [ 205.431939] [U]
>>> [ 205.433409] [U] Video Capture: Captured 8 buffers
>>> [ 205.443284] [U] AR12 (16-bit ARGB 4-4-4-4) 240x320 -> BA24 (32-bit ARGB 8-8-8-8) 240x320: OK
>>> [ 205.547396] [U] Video Output: Frame #002 (select)
>>> [ 205.553106] [U] Video Output: Frame #003 (select)
>>> [ 205.557856] [U] Video Output: Frame #004 (select)
>>> [ 205.563067] [U] Video Output: Frame #005 (select)
>>> [ 205.567939] [U] Video Output: Frame #006 (select)
>>> [ 205.573170] [U] Video Output: Frame #007 (select)
>>> [ 205.578047] [U] Video Output: Frame #008 (select)
>>> [ 205.581229] [U] Video Output: Frame #009 (select)
>>> [ 205.582360] [U]
>>> [ 205.583814] [U] Video Capture: Captured 8 buffers
>>> [ 205.590802] [U] AR12 (16-bit ARGB 4-4-4-4) 240x320 -> RGB3 (24-bit RGB 8-8-8) 240x320: OK
>>> [ 205.673784] [U] Video Output: Frame #002 (select)
>>> [ 205.680126] [U] Video Output: Frame #003 (select)
>>> [ 205.684166] [U] Video Output: Frame #004 (select)
>>> [ 205.689508] [U] Video Output: Frame #005 (select)
>>> [ 205.694186] [U] Video Output: Frame #006 (select)
>>> [ 205.699520] [U] Video Output: Frame #007 (select)
>>> [ 205.704031] [U] Video Output: Frame #008 (select)
>>> [ 205.706640] [U] Video Output: Frame #009 (select)
>>> [ 205.707786] [U]
>>> [ 205.709661] [U] Video Capture: Captured 8 buffers
>>> [ 205.716234] [U] AR12 (16-bit ARGB 4-4-4-4) 240x320 -> RGBP (16-bit RGB 5-6-5) 240x320: OK
>>> [ 205.799699] [U] Video Output: Frame #002 (select)
>>> [ 205.804297] [U] Video Output: Frame #003 (select)
>>> [ 205.809609] [U] Video Output: Frame #004 (select)
>>> [ 205.814253] [U] Video Output: Frame #005 (select)
>>> [ 205.819548] [U] Video Output: Frame #006 (select)
>>> [ 205.824186] [U] Video Output: Frame #007 (select)
>>> [ 205.829483] [U] Video Output: Frame #008 (select)
>>> [ 205.832055] [U] Video Output: Frame #009 (select)
>>> [ 205.833181] [U]
>>> [ 205.834645] [U] Video Capture: Captured 8 buffers
>>> [ 205.841668] [U] AR12 (16-bit ARGB 4-4-4-4) 240x320 -> AR15 (16-bit ARGB 1-5-5-5) 240x320: OK
>>> [ 205.925108] [U] Video Output: Frame #002 (select)
>>> [ 205.930444] [U] Video Output: Frame #003 (select)
>>> [ 205.935130] [U] Video Output: Frame #004 (select)
>>> [ 205.940509] [U] Video Output: Frame #005 (select)
>>> [ 205.945191] [U] Video Output: Frame #006 (select)
>>> [ 205.950506] [U] Video Output: Frame #007 (select)
>>> [ 205.955182] [U] Video Output: Frame #008 (select)
>>> [ 205.957826] [U] Video Output: Frame #009 (select)
>>> [ 205.959371] [U]
>>> [ 205.960829] [U] Video Capture: Captured 8 buffers
>>> [ 205.967428] [U] AR12 (16-bit ARGB 4-4-4-4) 240x320 -> AR12 (16-bit ARGB 4-4-4-4) 240x320: OK
>>> [ 205.977020] [U] Total for stm-dma2d device /dev/video0: 121, Succeeded: 96, Failed: 25, Warnings: 0
>>> *** BLURB HERE ***
>>>
>>> Dillon Min (8):
>>> media: admin-guide: add stm32-dma2d description
>>> media: dt-bindings: media: add document for STM32 DMA2d bindings
>>> ARM: dts: stm32: Add DMA2D support for STM32F429 series soc
>>> ARM: dts: stm32: Enable DMA2D on STM32F469-DISCO board
>>> media: v4l2-mem2mem: add v4l2_m2m_get_unmapped_area for no-mmu
>>> platform
>>> media: v4l2-ctrls: Add RGB color effects control
>>> clk: stm32: Fix ltdc's clock turn off by clk_disable_unused() after
>>> system enter shell
>>> media: stm32-dma2d: STM32 DMA2D driver
>>>
>>> .../admin-guide/media/platform-cardlist.rst | 1 +
>>> .../devicetree/bindings/media/st,stm32-dma2d.yaml | 71 ++
>>> Documentation/userspace-api/media/v4l/control.rst | 9 +
>>> arch/arm/boot/dts/stm32f429.dtsi | 10 +
>>> arch/arm/boot/dts/stm32f469-disco.dts | 4 +
>>> drivers/clk/clk-stm32f4.c | 4 -
>>> drivers/media/platform/Kconfig | 9 +
>>> drivers/media/platform/Makefile | 1 +
>>> drivers/media/platform/stm32/Makefile | 2 +
>>> drivers/media/platform/stm32/dma2d/dma2d-hw.c | 143 ++++
>>> drivers/media/platform/stm32/dma2d/dma2d-regs.h | 113 ++++
>>> drivers/media/platform/stm32/dma2d/dma2d.c | 748 +++++++++++++++++++++
>>> drivers/media/platform/stm32/dma2d/dma2d.h | 135 ++++
>>> drivers/media/v4l2-core/v4l2-ctrls-defs.c | 2 +
>>> drivers/media/v4l2-core/v4l2-mem2mem.c | 21 +
>>> include/media/v4l2-mem2mem.h | 5 +
>>> include/uapi/linux/v4l2-controls.h | 4 +-
>>> 17 files changed, 1277 insertions(+), 5 deletions(-)
>>> create mode 100644 Documentation/devicetree/bindings/media/st,stm32-dma2d.yaml
>>> create mode 100644 drivers/media/platform/stm32/dma2d/dma2d-hw.c
>>> create mode 100644 drivers/media/platform/stm32/dma2d/dma2d-regs.h
>>> create mode 100644 drivers/media/platform/stm32/dma2d/dma2d.c
>>> create mode 100644 drivers/media/platform/stm32/dma2d/dma2d.h
>>>
>>

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