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From: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
To: Hans Verkuil <hverkuil@xs4all.nl>
Cc: Tomasz Figa <tfiga@chromium.org>,
	Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
	Hans Verkuil <hans.verkuil@cisco.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Linux Media Mailing List <linux-media@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Sergey Senozhatsky <senozhatsky@chromium.org>
Subject: Re: [PATCH v6 03/14] videobuf2: handle V4L2 buffer cache flags
Date: Thu, 4 Jun 2020 13:36:13 +0900	[thread overview]
Message-ID: <20200604043613.GA98819@jagdpanzerIV.localdomain> (raw)
In-Reply-To: <cfb54bb3-a7dd-fafd-6b33-5500d6728a8f@xs4all.nl>

On (20/06/02 14:24), Hans Verkuil wrote:
[..]
> For vim2m (but looks the same for vivid/vimc/vicodec):
> 
> Streaming ioctls:
>         test read/write: OK (Not Supported)
>         test blocking wait: OK
>         Video Capture: Captured 8 buffers
>         test MMAP (no poll): OK
>         Video Capture: Captured 8 buffers
>         test MMAP (select): OK
>         Video Capture: Captured 8 buffers
>         test MMAP (epoll): OK
>         Video Capture: Captured 8 buffers
>         test USERPTR (no poll): OK
>         Video Capture: Captured 8 buffers
>         test USERPTR (select): OK
>                 fail: v4l2-test-buffers.cpp(1874): flags & V4L2_BUF_FLAG_NO_CACHE_INVALIDATE
>                 fail: v4l2-test-buffers.cpp(1937): setupDmaBuf(expbuf_node, node, q, exp_q)
>         test DMABUF (no poll): FAIL
>                 fail: v4l2-test-buffers.cpp(1874): flags & V4L2_BUF_FLAG_NO_CACHE_INVALIDATE
>                 fail: v4l2-test-buffers.cpp(1937): setupDmaBuf(expbuf_node, node, q, exp_q)
>         test DMABUF (select): FAIL

This helps. I'm probably "holding v4l2-compliance wrong", but I have
never seen that assertion triggering. The fix should be easy enough

---

diff --git a/utils/v4l2-compliance/v4l2-test-buffers.cpp b/utils/v4l2-compliance/v4l2-test-buffers.cpp
index 79b74e96..1ee12f96 100644
--- a/utils/v4l2-compliance/v4l2-test-buffers.cpp
+++ b/utils/v4l2-compliance/v4l2-test-buffers.cpp
@@ -1871,8 +1871,8 @@ static int setupDmaBuf(struct node *expbuf_node, struct node *node,
 				fail_on_test(!buf.g_bytesused(p));
 		}
 		flags = buf.g_flags();
-		fail_on_test(flags & V4L2_BUF_FLAG_NO_CACHE_INVALIDATE);
-		fail_on_test(flags & V4L2_BUF_FLAG_NO_CACHE_CLEAN);
+		fail_on_test(!(flags & V4L2_BUF_FLAG_NO_CACHE_INVALIDATE));
+		fail_on_test(!(flags & V4L2_BUF_FLAG_NO_CACHE_CLEAN));
 		fail_on_test(flags & V4L2_BUF_FLAG_DONE);
 		fail_on_test(buf.querybuf(node, i));
 		fail_on_test(buf.check(q, Queued, i));

  reply	other threads:[~2020-06-04  4:36 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-14 16:01 [PATCH v6 00/14] Implement V4L2_BUF_FLAG_NO_CACHE_* flags Sergey Senozhatsky
2020-05-14 16:01 ` [PATCH v6 01/14] videobuf2: use explicit unsigned int in vb2_queue Sergey Senozhatsky
2020-05-14 16:01 ` [PATCH v6 02/14] videobuf2: add cache management members Sergey Senozhatsky
2020-05-14 16:01 ` [PATCH v6 03/14] videobuf2: handle V4L2 buffer cache flags Sergey Senozhatsky
2020-06-02  9:51   ` Hans Verkuil
2020-06-02 10:18     ` Sergey Senozhatsky
2020-06-02 10:27       ` Hans Verkuil
2020-06-02 12:10         ` Sergey Senozhatsky
2020-06-02 12:21           ` Hans Verkuil
2020-06-02 12:22     ` Tomasz Figa
2020-06-02 12:24       ` Hans Verkuil
2020-06-04  4:36         ` Sergey Senozhatsky [this message]
2020-05-14 16:01 ` [PATCH v6 04/14] videobuf2: add V4L2_FLAG_MEMORY_NON_CONSISTENT flag Sergey Senozhatsky
2020-05-14 16:01 ` [PATCH v6 05/14] videobuf2: add queue memory consistency parameter Sergey Senozhatsky
2020-05-14 16:01 ` [PATCH v6 06/14] videobuf2: handle V4L2_FLAG_MEMORY_NON_CONSISTENT flag Sergey Senozhatsky
2020-05-14 16:01 ` [PATCH v6 07/14] videobuf2: factor out planes prepare/finish functions Sergey Senozhatsky
2020-05-14 16:01 ` [PATCH v6 08/14] videobuf2: do not sync caches when we are allowed not to Sergey Senozhatsky
2020-05-14 16:01 ` [PATCH v6 09/14] videobuf2: check ->synced flag in prepare() and finish() Sergey Senozhatsky
2020-05-14 16:01 ` [PATCH v6 10/14] videobuf2: add begin/end cpu_access callbacks to dma-contig Sergey Senozhatsky
2020-05-14 16:01 ` [PATCH v6 11/14] videobuf2: add begin/end cpu_access callbacks to dma-sg Sergey Senozhatsky
2020-05-14 16:01 ` [PATCH v6 12/14] videobuf2: don't test db_attach in dma-contig prepare and finish Sergey Senozhatsky
2020-05-14 16:01 ` [PATCH v6 13/14] videobuf2: remove redundant if-statement Sergey Senozhatsky
2020-05-14 16:01 ` [PATCH v6 14/14] media: vivid: add cache_hints module param Sergey Senozhatsky
2020-05-18 15:18 ` [PATCH v6 00/14] Implement V4L2_BUF_FLAG_NO_CACHE_* flags Hans Verkuil
2020-05-19  8:06   ` Sergey Senozhatsky

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