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Message-ID: <20250804092032.1639-1-tumic@gpxsee.org>
Date: Mon, 4 Aug 2025 11:20:32 +0200
From: tumic@...see.org
To: Mauro Carvalho Chehab <mchehab@...nel.org>,
Hans Verkuil <hverkuil@...all.nl>
Cc: linux-media@...r.kernel.org,
linux-kernel@...r.kernel.org,
Martin Tůma <martin.tuma@...iteqautomotive.com>
Subject: [PATCH] media: pci: mgb4: Fix timings comparison in VIDIOC_S_DV_TIMINGS
From: Martin Tůma <martin.tuma@...iteqautomotive.com>
Compare the whole v4l2_bt_timings struct, not just the width/height when
setting new timings. Timings with the same resolution and different
pixelclock can now be properly set.
Signed-off-by: Martin Tůma <martin.tuma@...iteqautomotive.com>
---
drivers/media/pci/mgb4/mgb4_vin.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/media/pci/mgb4/mgb4_vin.c b/drivers/media/pci/mgb4/mgb4_vin.c
index 989e93f67f75..15182549d108 100644
--- a/drivers/media/pci/mgb4/mgb4_vin.c
+++ b/drivers/media/pci/mgb4/mgb4_vin.c
@@ -610,8 +610,8 @@ static int vidioc_s_dv_timings(struct file *file, void *fh,
timings->bt.height < video_timings_cap.bt.min_height ||
timings->bt.height > video_timings_cap.bt.max_height)
return -EINVAL;
- if (timings->bt.width == vindev->timings.bt.width &&
- timings->bt.height == vindev->timings.bt.height)
+ if (!memcmp(&timings->bt, &vindev->timings.bt,
+ sizeof(struct v4l2_bt_timings)))
return 0;
if (vb2_is_busy(&vindev->queue))
return -EBUSY;
base-commit: d968e50b5c26642754492dea23cbd3592bde62d8
--
2.50.1
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