From: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
To: unlisted-recipients:; (no To-header on input)
Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>,
Sakari Ailus <sakari.ailus@linux.intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-media@vger.kernel.org, devel@driverdev.osuosl.org,
linux-kernel@vger.kernel.org
Subject: [PATCH v2 18/41] media: atomisp: add more comments about frame allocation
Date: Sat, 30 May 2020 08:55:35 +0200
Message-ID: <08a91029efbeccc3d7f9114bb435a02b67112ab8.1590821410.git.mchehab+huawei@kernel.org> (raw)
In-Reply-To: <cover.1590821410.git.mchehab+huawei@kernel.org>
The frame allocation logic happens differently for userptr
or normal mmap. On a quick look, this sounded to be unbalanced,
but the logic should actually work for both cases.
Add an extra comment to reflect it.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
drivers/staging/media/atomisp/pci/atomisp_ioctl.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
index 8783d4b59f6d..765e1a8c31fa 100644
--- a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
+++ b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
@@ -1052,7 +1052,7 @@ int __atomisp_reqbufs(struct file *file, void *fh,
atomisp_alloc_css_stat_bufs(asd, stream_id);
/*
- * for user pointer type, buffers are not really allcated here,
+ * for user pointer type, buffers are not really allocated here,
* buffers are setup in QBUF operation through v4l2_buffer structure
*/
if (req->memory == V4L2_MEMORY_USERPTR)
@@ -1225,6 +1225,10 @@ static int atomisp_qbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
buf->flags |= V4L2_BUF_FLAG_MAPPED;
buf->flags |= V4L2_BUF_FLAG_QUEUED;
buf->flags &= ~V4L2_BUF_FLAG_DONE;
+
+ /*
+ * For mmap, frames were allocated at request buffers
+ */
}
done:
--
2.26.2
next prev parent reply other threads:[~2020-05-30 6:56 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-30 6:55 [PATCH v2 00/41] More atomisp fixes and cleanups Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 01/41] media: atomisp: simplify hive_isp_css_mm_hrt wrapper Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 02/41] media: atomisp: get rid of the hrt/hive_isp_css_mm_hrt abstraction layer Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 03/41] media: atomisp: reduce abstraction at ia_css_memory_access Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 04/41] media: atomisp: go one step further to drop ia_css_memory_access.c Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 05/41] media: atomisp: get rid of mmgr_load and mmgr_store Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 06/41] media: atomisp: get rid of unused memory_realloc code Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 07/41] media: atomisp: change the type returned by mmgr alloc Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 08/41] media: atomisp: get rid of memory_access.c Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 09/41] media: atomisp: hmm_bo: untag user pointers Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 10/41] media: atomisp: add debug message to help debugging hmm code Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 11/41] media: atomisp: use Yocto Aero default hmm pool sizes Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 12/41] media: atomisp: get rid of a warning message Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 13/41] media: atomisp: fix driver caps Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 14/41] media: atomisp: use pin_user_pages() for memory allocation Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 15/41] media: atomisp: add debug for hmm alloc Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 16/41] media: atomisp: improve warning for IRQ enable function Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 17/41] media: atomisp: add debug functions for received events Mauro Carvalho Chehab
2020-05-30 6:55 ` Mauro Carvalho Chehab [this message]
2020-05-30 6:55 ` [PATCH v2 19/41] media: atomisp: remove kvmalloc/kvcalloc abstractions Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 20/41] media: atomisp: avoid OOPS due to non-existing ref_frames Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 21/41] media: atomisp: Clean up if block in sh_css_sp_init_stage Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 22/41] media: atomisp: Remove second increment of count in atomisp_subdev_probe Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 23/41] media: atomisp: Remove unnecessary NULL checks in ia_css_pipe_load_extension Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 24/41] media: atomisp: Remove unnecessary NULL check in atomisp_param Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 25/41] media: atomisp: Avoid overflow in compute_blending Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 26/41] media: atomisp: Remove binary_supports_input_format Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 27/41] media: atomisp: avoid an extra memset() when alloc memory Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 28/41] media: atomisp: remove some trivial wrappers from compat css20 Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 29/41] media: atomisp: do another round of coding style cleanup Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 31/41] media: atomisp: get rid of an error abstraction layer Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 32/41] media: atomisp: don't cause a warn if probe failed Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 33/41] media: atomisp: get rid of a bunch of other wrappers Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 34/41] media: atomisp: get rid of system_types.h Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 35/41] media: atomisp: provide more details about the firmware binaries Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 36/41] media: atomisp: print firmware data during load Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 37/41] media: atomisp: allow passing firmware name at modprobe time Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 38/41] media: atomisp: add a debug message at hmm free Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 39/41] media: atomisp: add some debug messages when binaries are used Mauro Carvalho Chehab
2020-05-30 6:55 ` [PATCH v2 40/41] media: atomisp: get rid of set_fs() dirty hacks Mauro Carvalho Chehab
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