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f07e572f64
bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G bcm2710: boot tested on RPi 3B v1.2 bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
47 lines
1.5 KiB
Diff
47 lines
1.5 KiB
Diff
From 0a47c61cee411b3ada4413f6cebae8cdb06f062e Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Tue, 7 Jul 2020 10:31:53 +0100
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Subject: [PATCH] media: i2c: imx290: Explicitly set v&h blank on
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mode change
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__v4l2_ctrl_modify_range only updates the current value should
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it be invalid within the new range. That can leave modes producing
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odd frame rates.
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Explicitly update the HBLANK and VBLANK values so that on mode
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change we revert to the default frame rate for the mode.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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drivers/media/i2c/imx290.c | 10 ++++++++--
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1 file changed, 8 insertions(+), 2 deletions(-)
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--- a/drivers/media/i2c/imx290.c
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+++ b/drivers/media/i2c/imx290.c
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@@ -796,17 +796,23 @@ static int imx290_set_fmt(struct v4l2_su
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__v4l2_ctrl_s_ctrl_int64(imx290->pixel_rate,
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imx290_calc_pixel_rate(imx290));
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- if (imx290->hblank)
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+ if (imx290->hblank) {
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__v4l2_ctrl_modify_range(imx290->hblank,
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imx290->hmax_min - mode->width,
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IMX290_HMAX_MAX - mode->width,
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1, mode->hmax - mode->width);
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- if (imx290->vblank)
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+ __v4l2_ctrl_s_ctrl(imx290->hblank,
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+ mode->hmax - mode->width);
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+ }
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+ if (imx290->vblank) {
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__v4l2_ctrl_modify_range(imx290->vblank,
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mode->vmax - mode->height,
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IMX290_VMAX_MAX - mode->height,
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1,
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mode->vmax - mode->height);
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+ __v4l2_ctrl_s_ctrl(imx290->vblank,
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+ mode->vmax - mode->height);
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+ }
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if (imx290->exposure)
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__v4l2_ctrl_modify_range(imx290->exposure,
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mode->vmax - mode->height,
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