| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.11 346/601] media: ipu3-cio2: Fix pixel-rate derived link frequency | Date | Wed, 12 May 2021 16:47:03 +0200 |
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From: Sakari Ailus <sakari.ailus@linux.intel.com>
[ Upstream commit a7de6eac6f6f73d48d97a6c93032107775f4593b ]
The driver uses v4l2_get_link_freq() helper to obtain the link frequency using the LINK_FREQ but also the PIXEL_RATE control. The divisor for the pixel rate derived link frequency was wrong, missing the bus uses double data rate. Fix this.
Reported-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Fixes: 4b6c129e87a3 ("media: ipu3-cio2: Use v4l2_get_link_freq helper") Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Bingbu Cao <bingbu.cao@intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/media/pci/intel/ipu3/ipu3-cio2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/pci/intel/ipu3/ipu3-cio2.c b/drivers/media/pci/intel/ipu3/ipu3-cio2.c index 143ba9d90342..325c1483f42b 100644 --- a/drivers/media/pci/intel/ipu3/ipu3-cio2.c +++ b/drivers/media/pci/intel/ipu3/ipu3-cio2.c @@ -302,7 +302,7 @@ static int cio2_csi2_calc_timing(struct cio2_device *cio2, struct cio2_queue *q, if (!q->sensor) return -ENODEV; - freq = v4l2_get_link_freq(q->sensor->ctrl_handler, bpp, lanes); + freq = v4l2_get_link_freq(q->sensor->ctrl_handler, bpp, lanes * 2); if (freq < 0) { dev_err(dev, "error %lld, invalid link_freq\n", freq); return freq; -- 2.30.2
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