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Message-ID: <Zff_p_f39dwBATDB@pyrite.rasen.tech>
Date: Mon, 18 Mar 2024 17:47:35 +0900
From: Paul Elder <paul.elder@...asonboard.com>
To: Ondřej Jirman <megi@....cz>
Cc: linux-kernel@...r.kernel.org, Dafna Hirschfeld <dafna@...tmail.com>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Heiko Stuebner <heiko@...ech.de>,
"open list:ROCKCHIP ISP V1 DRIVER" <linux-media@...r.kernel.org>,
"open list:ROCKCHIP ISP V1 DRIVER" <linux-rockchip@...ts.infradead.org>,
"moderated list:ARM/Rockchip SoC support" <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2] media: rkisp1: Adapt to different SoCs having
different size limits
Hi Ondrej,
On Sat, Mar 16, 2024 at 12:02:41AM +0100, Ondřej Jirman wrote:
> From: Ondrej Jirman <megi@....cz>
>
> - RK3399 has input/output limit of main path 4416 x 3312
> - PX30 has input/output limit of main path 3264 x 2448
> - i.MX8MP has input/output limit of main path 4096 x 3072
>
> Use rkisp1_info struct to encode the limits.
>
> Signed-off-by: Ondrej Jirman <megi@....cz>
Looks good to me.
Reviewed-by: Paul Elder <paul.elder@...asonboard.com>
> ---
> v2:
> - adapt to i.MX8MP merged for v6.9
>
> drivers/media/platform/rockchip/rkisp1/rkisp1-common.h | 6 ++++--
> drivers/media/platform/rockchip/rkisp1/rkisp1-csi.c | 5 +++--
> drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c | 6 ++++++
> drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c | 9 +++++----
> drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c | 4 ++--
> 5 files changed, 20 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h
> index 26573f6ae575..b4c958b93629 100644
> --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h
> +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h
> @@ -34,8 +34,6 @@ struct regmap;
> #define RKISP1_ISP_SD_SINK BIT(1)
>
> /* min and max values for the widths and heights of the entities */
> -#define RKISP1_ISP_MAX_WIDTH 4032
> -#define RKISP1_ISP_MAX_HEIGHT 3024
> #define RKISP1_ISP_MIN_WIDTH 32
> #define RKISP1_ISP_MIN_HEIGHT 32
>
> @@ -140,6 +138,8 @@ enum rkisp1_feature {
> * @isr_size: number of entries in the @isrs array
> * @isp_ver: ISP version
> * @features: bitmask of rkisp1_feature features implemented by the ISP
> + * @max_width: maximum input frame width
> + * @max_height: maximum input frame height
> *
> * This structure contains information about the ISP specific to a particular
> * ISP model, version, or integration in a particular SoC.
> @@ -151,6 +151,8 @@ struct rkisp1_info {
> unsigned int isr_size;
> enum rkisp1_cif_isp_version isp_ver;
> unsigned int features;
> + unsigned int max_width;
> + unsigned int max_height;
> };
>
> /*
> diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-csi.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-csi.c
> index 4202642e0523..841e58c20f7f 100644
> --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-csi.c
> +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-csi.c
> @@ -307,6 +307,7 @@ static int rkisp1_csi_set_fmt(struct v4l2_subdev *sd,
> struct v4l2_subdev_state *sd_state,
> struct v4l2_subdev_format *fmt)
> {
> + struct rkisp1_csi *csi = to_rkisp1_csi(sd);
> const struct rkisp1_mbus_info *mbus_info;
> struct v4l2_mbus_framefmt *sink_fmt, *src_fmt;
>
> @@ -326,10 +327,10 @@ static int rkisp1_csi_set_fmt(struct v4l2_subdev *sd,
>
> sink_fmt->width = clamp_t(u32, fmt->format.width,
> RKISP1_ISP_MIN_WIDTH,
> - RKISP1_ISP_MAX_WIDTH);
> + csi->rkisp1->info->max_width);
> sink_fmt->height = clamp_t(u32, fmt->format.height,
> RKISP1_ISP_MIN_HEIGHT,
> - RKISP1_ISP_MAX_HEIGHT);
> + csi->rkisp1->info->max_height);
>
> fmt->format = *sink_fmt;
>
> diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> index bb0202386c70..0535ce57e862 100644
> --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> @@ -510,6 +510,8 @@ static const struct rkisp1_info px30_isp_info = {
> .features = RKISP1_FEATURE_MIPI_CSI2
> | RKISP1_FEATURE_SELF_PATH
> | RKISP1_FEATURE_DUAL_CROP,
> + .max_width = 3264,
> + .max_height = 2448,
> };
>
> static const char * const rk3399_isp_clks[] = {
> @@ -531,6 +533,8 @@ static const struct rkisp1_info rk3399_isp_info = {
> .features = RKISP1_FEATURE_MIPI_CSI2
> | RKISP1_FEATURE_SELF_PATH
> | RKISP1_FEATURE_DUAL_CROP,
> + .max_width = 4416,
> + .max_height = 3312,
> };
>
> static const char * const imx8mp_isp_clks[] = {
> @@ -551,6 +555,8 @@ static const struct rkisp1_info imx8mp_isp_info = {
> .isp_ver = RKISP1_V_IMX8MP,
> .features = RKISP1_FEATURE_MAIN_STRIDE
> | RKISP1_FEATURE_DMA_34BIT,
> + .max_width = 4096,
> + .max_height = 3072,
> };
>
> static const struct of_device_id rkisp1_of_match[] = {
> diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
> index e45a213baf49..f787a7e91e3e 100644
> --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
> +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
> @@ -517,6 +517,7 @@ static int rkisp1_isp_enum_frame_size(struct v4l2_subdev *sd,
> struct v4l2_subdev_state *sd_state,
> struct v4l2_subdev_frame_size_enum *fse)
> {
> + struct rkisp1_isp *isp = to_rkisp1_isp(sd);
> const struct rkisp1_mbus_info *mbus_info;
>
> if (fse->pad == RKISP1_ISP_PAD_SINK_PARAMS ||
> @@ -539,9 +540,9 @@ static int rkisp1_isp_enum_frame_size(struct v4l2_subdev *sd,
> return -EINVAL;
>
> fse->min_width = RKISP1_ISP_MIN_WIDTH;
> - fse->max_width = RKISP1_ISP_MAX_WIDTH;
> + fse->max_width = isp->rkisp1->info->max_width;
> fse->min_height = RKISP1_ISP_MIN_HEIGHT;
> - fse->max_height = RKISP1_ISP_MAX_HEIGHT;
> + fse->max_height = isp->rkisp1->info->max_height;
>
> return 0;
> }
> @@ -772,10 +773,10 @@ static void rkisp1_isp_set_sink_fmt(struct rkisp1_isp *isp,
>
> sink_fmt->width = clamp_t(u32, format->width,
> RKISP1_ISP_MIN_WIDTH,
> - RKISP1_ISP_MAX_WIDTH);
> + isp->rkisp1->info->max_width);
> sink_fmt->height = clamp_t(u32, format->height,
> RKISP1_ISP_MIN_HEIGHT,
> - RKISP1_ISP_MAX_HEIGHT);
> + isp->rkisp1->info->max_height);
>
> /*
> * Adjust the color space fields. Accept any color primaries and
> diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c
> index 6f3931ca5b51..e22cc2db24cf 100644
> --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c
> +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c
> @@ -494,10 +494,10 @@ static void rkisp1_rsz_set_sink_fmt(struct rkisp1_resizer *rsz,
>
> sink_fmt->width = clamp_t(u32, format->width,
> RKISP1_ISP_MIN_WIDTH,
> - RKISP1_ISP_MAX_WIDTH);
> + rsz->rkisp1->info->max_width);
> sink_fmt->height = clamp_t(u32, format->height,
> RKISP1_ISP_MIN_HEIGHT,
> - RKISP1_ISP_MAX_HEIGHT);
> + rsz->rkisp1->info->max_height);
>
> /*
> * Adjust the color space fields. Accept any color primaries and
> --
> 2.44.0
>
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