From: Dafna Hirschfeld <dafna.hirschfeld@collabora.com> To: Mauro Carvalho Chehab <mchehab@kernel.org>, helen.koike@collabora.com, hverkuil@xs4all.nl Cc: linux-media@vger.kernel.org, laurent.pinchart@ideasonboard.com, ezequiel@collabora.com, kernel@collabora.com, dafna3@gmail.com, sakari.ailus@linux.intel.com, linux-rockchip@lists.infradead.org, tfiga@chromium.org Subject: Re: [PATCH v3 12/12] media: staging: rkisp1: cap: protect access to buf with the spin lock Date: Sun, 27 Sep 2020 11:54:10 +0200 [thread overview] Message-ID: <672c5ca3-a5d1-a1dc-5cc8-3a802208310e@collabora.com> (raw) In-Reply-To: <20200927114326.7446d970@coco.lan> Am 27.09.20 um 11:43 schrieb Mauro Carvalho Chehab: > Em Tue, 22 Sep 2020 13:34:02 +0200 > Dafna Hirschfeld <dafna.hirschfeld@collabora.com> escreveu: > >> The function 'rkisp1_stream_start' calls 'rkisp1_set_next_buf' >> which access the buffers, so the call should be protected by >> taking the cap->buf.lock. >> After this patch, all locks are reviewed and commented so remove >> the TODO item "review and comment every lock" >> >> Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com> >> --- >> drivers/staging/media/rkisp1/TODO | 1 - >> drivers/staging/media/rkisp1/rkisp1-capture.c | 2 ++ >> 2 files changed, 2 insertions(+), 1 deletion(-) >> >> diff --git a/drivers/staging/media/rkisp1/TODO b/drivers/staging/media/rkisp1/TODO >> index f0c90d1c86a8..9662e9b51c7f 100644 >> --- a/drivers/staging/media/rkisp1/TODO >> +++ b/drivers/staging/media/rkisp1/TODO >> @@ -1,6 +1,5 @@ >> * Fix pad format size for statistics and parameters entities. >> * Fix checkpatch errors. >> -* Review and comment every lock >> * Handle quantization >> * streaming paths (mainpath and selfpath) check if the other path is streaming >> in several places of the code, review this, specially that it doesn't seem it > > > FYI, > > There was a trivial context conflict here. Basically, the upstream > version has this: > > > * Add uapi docs. Remember to add documentation of how quantization is handled. > > I solved the conflict, but as some patches for rkisp1 got merged > on a different pull request, and there were some uapi docs at the > other PR, maybe this would need to be revisited. I added the "Configuring Quantization" documentation in Documentation/admin-guide/media/rkisp1.rst so the TODO item "* Add uapi docs. Remember to add documentation of how quantization is handled." can be removed. Thanks, Dafna > > Thanks, > Mauro >
WARNING: multiple messages have this Message-ID (diff)
From: Dafna Hirschfeld <dafna.hirschfeld@collabora.com> To: Mauro Carvalho Chehab <mchehab@kernel.org>, helen.koike@collabora.com, hverkuil@xs4all.nl Cc: dafna3@gmail.com, tfiga@chromium.org, linux-rockchip@lists.infradead.org, laurent.pinchart@ideasonboard.com, sakari.ailus@linux.intel.com, kernel@collabora.com, ezequiel@collabora.com, linux-media@vger.kernel.org Subject: Re: [PATCH v3 12/12] media: staging: rkisp1: cap: protect access to buf with the spin lock Date: Sun, 27 Sep 2020 11:54:10 +0200 [thread overview] Message-ID: <672c5ca3-a5d1-a1dc-5cc8-3a802208310e@collabora.com> (raw) In-Reply-To: <20200927114326.7446d970@coco.lan> Am 27.09.20 um 11:43 schrieb Mauro Carvalho Chehab: > Em Tue, 22 Sep 2020 13:34:02 +0200 > Dafna Hirschfeld <dafna.hirschfeld@collabora.com> escreveu: > >> The function 'rkisp1_stream_start' calls 'rkisp1_set_next_buf' >> which access the buffers, so the call should be protected by >> taking the cap->buf.lock. >> After this patch, all locks are reviewed and commented so remove >> the TODO item "review and comment every lock" >> >> Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com> >> --- >> drivers/staging/media/rkisp1/TODO | 1 - >> drivers/staging/media/rkisp1/rkisp1-capture.c | 2 ++ >> 2 files changed, 2 insertions(+), 1 deletion(-) >> >> diff --git a/drivers/staging/media/rkisp1/TODO b/drivers/staging/media/rkisp1/TODO >> index f0c90d1c86a8..9662e9b51c7f 100644 >> --- a/drivers/staging/media/rkisp1/TODO >> +++ b/drivers/staging/media/rkisp1/TODO >> @@ -1,6 +1,5 @@ >> * Fix pad format size for statistics and parameters entities. >> * Fix checkpatch errors. >> -* Review and comment every lock >> * Handle quantization >> * streaming paths (mainpath and selfpath) check if the other path is streaming >> in several places of the code, review this, specially that it doesn't seem it > > > FYI, > > There was a trivial context conflict here. Basically, the upstream > version has this: > > > * Add uapi docs. Remember to add documentation of how quantization is handled. > > I solved the conflict, but as some patches for rkisp1 got merged > on a different pull request, and there were some uapi docs at the > other PR, maybe this would need to be revisited. I added the "Configuring Quantization" documentation in Documentation/admin-guide/media/rkisp1.rst so the TODO item "* Add uapi docs. Remember to add documentation of how quantization is handled." can be removed. Thanks, Dafna > > Thanks, > Mauro > _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip
next prev parent reply other threads:[~2020-09-27 9:54 UTC|newest] Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-09-22 11:33 [PATCH v3 00/12] media: staging: rkisp1: various bug fixes Dafna Hirschfeld 2020-09-22 11:33 ` Dafna Hirschfeld 2020-09-22 11:33 ` [PATCH v3 01/12] media: staging: rkisp1: params: upon stream stop, iterate a local list to return the buffers Dafna Hirschfeld 2020-09-22 11:33 ` Dafna Hirschfeld 2020-09-25 19:08 ` Tomasz Figa 2020-09-25 19:08 ` Tomasz Figa 2020-09-22 11:33 ` [PATCH v3 02/12] media: staging: rkisp1: params: in the isr, return if buffer list is empty Dafna Hirschfeld 2020-09-22 11:33 ` Dafna Hirschfeld 2020-09-22 11:33 ` [PATCH v3 03/12] media: staging: rkisp1: params: use the new effect value in cproc config Dafna Hirschfeld 2020-09-22 11:33 ` Dafna Hirschfeld 2020-09-22 11:33 ` [PATCH v3 04/12] media: staging: rkisp1: params: avoid using buffer if params is not streaming Dafna Hirschfeld 2020-09-22 11:33 ` Dafna Hirschfeld 2020-09-25 20:16 ` Tomasz Figa 2020-09-25 20:16 ` Tomasz Figa 2020-09-22 11:33 ` [PATCH v3 05/12] media: staging: rkisp1: params: set vb.sequence to be the isp's frame_sequence + 1 Dafna Hirschfeld 2020-09-22 11:33 ` Dafna Hirschfeld 2020-09-22 11:33 ` [PATCH v3 06/12] media: staging: rkisp1: remove atomic operations for frame sequence Dafna Hirschfeld 2020-09-22 11:33 ` Dafna Hirschfeld 2020-09-25 20:42 ` Tomasz Figa 2020-09-25 20:42 ` Tomasz Figa 2020-10-02 9:16 ` Dafna Hirschfeld 2020-10-02 9:16 ` Dafna Hirschfeld 2020-10-02 15:30 ` Tomasz Figa 2020-10-02 15:30 ` Tomasz Figa 2020-11-06 14:43 ` Helen Koike 2020-11-06 14:43 ` Helen Koike 2020-11-10 10:40 ` Tomasz Figa 2020-11-10 10:40 ` Tomasz Figa 2020-09-22 11:33 ` [PATCH v3 07/12] media: staging: rkisp1: isp: add a warning and debugfs var for irq delay Dafna Hirschfeld 2020-09-22 11:33 ` Dafna Hirschfeld 2020-09-22 11:33 ` [PATCH v3 08/12] media: staging: rkisp1: isp: don't enable signal RKISP1_CIF_ISP_FRAME_IN Dafna Hirschfeld 2020-09-22 11:33 ` Dafna Hirschfeld 2020-09-22 11:33 ` [PATCH v3 09/12] media: staging: rkisp1: stats: protect write to 'is_streaming' in start_streaming cb Dafna Hirschfeld 2020-09-22 11:33 ` Dafna Hirschfeld 2020-09-25 20:47 ` Tomasz Figa 2020-09-25 20:47 ` Tomasz Figa 2020-09-22 11:34 ` [PATCH v3 10/12] media: staging: rkisp1: params: no need to lock default config Dafna Hirschfeld 2020-09-22 11:34 ` Dafna Hirschfeld 2020-09-22 11:34 ` [PATCH v3 11/12] media: staging: rkisp1: use the right variants of spin_lock Dafna Hirschfeld 2020-09-22 11:34 ` Dafna Hirschfeld 2020-09-25 20:51 ` Tomasz Figa 2020-09-25 20:51 ` Tomasz Figa 2020-09-22 11:34 ` [PATCH v3 12/12] media: staging: rkisp1: cap: protect access to buf with the spin lock Dafna Hirschfeld 2020-09-22 11:34 ` Dafna Hirschfeld 2020-09-25 20:53 ` Tomasz Figa 2020-09-25 20:53 ` Tomasz Figa 2020-09-27 9:43 ` Mauro Carvalho Chehab 2020-09-27 9:43 ` Mauro Carvalho Chehab 2020-09-27 9:54 ` Dafna Hirschfeld [this message] 2020-09-27 9:54 ` Dafna Hirschfeld 2020-09-27 11:05 ` Mauro Carvalho Chehab 2020-09-27 11:05 ` Mauro Carvalho Chehab 2020-09-28 15:29 ` Dafna Hirschfeld 2020-09-28 15:29 ` Dafna Hirschfeld
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