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53 lines
1.7 KiB
Diff
53 lines
1.7 KiB
Diff
From e5c39181d39d310db2f002d738137ad5674c51ce Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Tue, 19 May 2020 11:46:47 +0100
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Subject: [PATCH 302/634] media: bcm2835-unicam: Retain packing information on
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G_FMT
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The change to retrieve the pixel format always on g_fmt didn't
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check whether the native or unpacked version of the format
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had been requested, and always returned the packed one.
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Correct this so that the packing setting is retained whereever
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possible.
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Fixes "9d59e89 media: bcm2835-unicam: Re-fetch mbus code from subdev
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on a g_fmt call"
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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.../media/platform/bcm2835/bcm2835-unicam.c | 19 +++++++++++++++++--
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1 file changed, 17 insertions(+), 2 deletions(-)
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diff --git a/drivers/media/platform/bcm2835/bcm2835-unicam.c b/drivers/media/platform/bcm2835/bcm2835-unicam.c
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index 7dc96c3e8e83..98ae97c367ea 100644
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--- a/drivers/media/platform/bcm2835/bcm2835-unicam.c
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+++ b/drivers/media/platform/bcm2835/bcm2835-unicam.c
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@@ -980,8 +980,23 @@ static int unicam_g_fmt_vid_cap(struct file *file, void *priv,
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if (!fmt)
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return -EINVAL;
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- node->fmt = fmt;
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- node->v_fmt.fmt.pix.pixelformat = fmt->fourcc;
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+ if (node->fmt != fmt) {
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+ /*
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+ * The sensor format has changed so the pixelformat needs to
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+ * be updated. Try and retain the packed/unpacked choice if
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+ * at all possible.
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+ */
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+ if (node->fmt->repacked_fourcc ==
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+ node->v_fmt.fmt.pix.pixelformat)
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+ /* Using the repacked format */
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+ node->v_fmt.fmt.pix.pixelformat = fmt->repacked_fourcc;
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+ else
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+ /* Using the native format */
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+ node->v_fmt.fmt.pix.pixelformat = fmt->fourcc;
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+
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+ node->fmt = fmt;
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+ }
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+
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*f = node->v_fmt;
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return 0;
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--
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2.33.1
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