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27 lines
1.0 KiB
Diff
27 lines
1.0 KiB
Diff
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From 1b61bce3ec65be520e45cf29431650d23a7b5d33 Mon Sep 17 00:00:00 2001
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From: Naushir Patuck <naush@raspberrypi.com>
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Date: Tue, 30 Nov 2021 10:39:41 +0000
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Subject: [PATCH] drivers: bcm2835_unicam: Add logging message when a
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frame is dropped.
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If a dummy buffer is still active on a frame start, it indicates that this frame
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will be dropped. The explicit logging helps users identify performance issues.
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Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
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---
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drivers/media/platform/bcm2835/bcm2835-unicam.c | 3 +++
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1 file changed, 3 insertions(+)
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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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@@ -952,6 +952,9 @@ static irqreturn_t unicam_isr(int irq, v
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if (unicam->node[i].cur_frm)
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unicam->node[i].cur_frm->vb.vb2_buf.timestamp =
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ts;
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+ else
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+ unicam_dbg(2, unicam, "ISR: [%d] Dropping frame, buffer not available at FS\n",
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+ i);
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/*
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* Set the next frame output to go to a dummy frame
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* if we have not managed to obtain another frame
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