From: Dafna Hirschfeld <dafna.hirschfeld@collabora.com> To: linux-media@vger.kernel.org Cc: laurent.pinchart@ideasonboard.com, dafna.hirschfeld@collabora.com, helen.koike@collabora.com, ezequiel@collabora.com, hverkuil@xs4all.nl, kernel@collabora.com, dafna3@gmail.com, sakari.ailus@linux.intel.com, linux-rockchip@lists.infradead.org, mchehab@kernel.org, tfiga@chromium.org Subject: [PATCH v3 05/12] media: staging: rkisp1: params: set vb.sequence to be the isp's frame_sequence + 1 Date: Tue, 22 Sep 2020 13:33:55 +0200 [thread overview] Message-ID: <20200922113402.12442-6-dafna.hirschfeld@collabora.com> (raw) In-Reply-To: <20200922113402.12442-1-dafna.hirschfeld@collabora.com> The params isr is called when the ISP finishes processing a frame (RKISP1_CIF_ISP_FRAME). Configurations performed in the params isr will be applied on the next frame. Since frame_sequence is updated on the vertical sync signal, we should use frame_sequence + 1 as the vb.sequence of the params buffer to indicate to userspace on which frame these parameters are being applied. Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com> Acked-by: Helen Koike <helen.koike@collabora.com> --- changes since v2: rephrase commit message and inline doc as suggested by Helen. --- drivers/staging/media/rkisp1/rkisp1-params.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/staging/media/rkisp1/rkisp1-params.c b/drivers/staging/media/rkisp1/rkisp1-params.c index e8049a50575f..24a49368df22 100644 --- a/drivers/staging/media/rkisp1/rkisp1-params.c +++ b/drivers/staging/media/rkisp1/rkisp1-params.c @@ -1213,7 +1213,14 @@ static void rkisp1_params_apply_params_cfg(struct rkisp1_params *params, void rkisp1_params_isr(struct rkisp1_device *rkisp1) { - unsigned int frame_sequence = atomic_read(&rkisp1->isp.frame_sequence); + /* + * This isr is called when the ISR finishes processing a frame (RKISP1_CIF_ISP_FRAME). + * Configurations performed here will be applied on the next frame. + * Since frame_sequence is updated on the vertical sync signal, we should use + * frame_sequence + 1 here to indicate to userspace on which frame these parameters + * are being applied. + */ + unsigned int frame_sequence = atomic_read(&rkisp1->isp.frame_sequence) + 1; struct rkisp1_params *params = &rkisp1->params; spin_lock(¶ms->config_lock); -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Dafna Hirschfeld <dafna.hirschfeld@collabora.com> To: linux-media@vger.kernel.org Cc: mchehab@kernel.org, dafna.hirschfeld@collabora.com, dafna3@gmail.com, tfiga@chromium.org, hverkuil@xs4all.nl, linux-rockchip@lists.infradead.org, helen.koike@collabora.com, laurent.pinchart@ideasonboard.com, sakari.ailus@linux.intel.com, kernel@collabora.com, ezequiel@collabora.com Subject: [PATCH v3 05/12] media: staging: rkisp1: params: set vb.sequence to be the isp's frame_sequence + 1 Date: Tue, 22 Sep 2020 13:33:55 +0200 [thread overview] Message-ID: <20200922113402.12442-6-dafna.hirschfeld@collabora.com> (raw) In-Reply-To: <20200922113402.12442-1-dafna.hirschfeld@collabora.com> The params isr is called when the ISP finishes processing a frame (RKISP1_CIF_ISP_FRAME). Configurations performed in the params isr will be applied on the next frame. Since frame_sequence is updated on the vertical sync signal, we should use frame_sequence + 1 as the vb.sequence of the params buffer to indicate to userspace on which frame these parameters are being applied. Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com> Acked-by: Helen Koike <helen.koike@collabora.com> --- changes since v2: rephrase commit message and inline doc as suggested by Helen. --- drivers/staging/media/rkisp1/rkisp1-params.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/staging/media/rkisp1/rkisp1-params.c b/drivers/staging/media/rkisp1/rkisp1-params.c index e8049a50575f..24a49368df22 100644 --- a/drivers/staging/media/rkisp1/rkisp1-params.c +++ b/drivers/staging/media/rkisp1/rkisp1-params.c @@ -1213,7 +1213,14 @@ static void rkisp1_params_apply_params_cfg(struct rkisp1_params *params, void rkisp1_params_isr(struct rkisp1_device *rkisp1) { - unsigned int frame_sequence = atomic_read(&rkisp1->isp.frame_sequence); + /* + * This isr is called when the ISR finishes processing a frame (RKISP1_CIF_ISP_FRAME). + * Configurations performed here will be applied on the next frame. + * Since frame_sequence is updated on the vertical sync signal, we should use + * frame_sequence + 1 here to indicate to userspace on which frame these parameters + * are being applied. + */ + unsigned int frame_sequence = atomic_read(&rkisp1->isp.frame_sequence) + 1; struct rkisp1_params *params = &rkisp1->params; spin_lock(¶ms->config_lock); -- 2.17.1 _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip
next prev parent reply other threads:[~2020-09-22 11:34 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 ` Dafna Hirschfeld [this message] 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 ` [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 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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