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Sanity checks were added to verify the v4l2_bt_timings blanking fields in order to avoid integer overflows when userspace passes weird values. But that assumed that userspace would correctly fill in the front porch, backporch and sync values, but sometimes all you know is the total blanking, which is then assigned to just one of these fields. And that can fail with these checks. So instead set a maximum for the total horizontal and vertical blanking and check that each field remains below that. That is still sufficient to avoid integer overflows, but it also allows for more flexibility in how userspace fills in these fields. Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Fixes: 4b6d66a ("media: v4l2-dv-timings: add sanity checks for blanking values") Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This reverts commit 753395e. It introduced a boot regression on colibri-imx7, and potentially any other i.MX7 boards with MTD partition list generated into the fdt by U-Boot. While the commit we are reverting here is not obviously wrong, it fixes only a dt binding checker warning that is non-functional, while it introduces a boot regression and there is no obvious fix ready. Fixes: 753395e ("ARM: dts: imx7: Fix NAND controller size-cells") Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com> Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com> Acked-by: Marek Vasut <marex@denx.de> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/all/Y4dgBTGNWpM6SQXI@francesco-nb.int.toradex.com/ Link: https://lore.kernel.org/all/20221205144917.6514168a@xps-13/ Signed-off-by: Arnd Bergmann <arnd@arndb.de>
…nel/git/soc/soc Pull ARM SoC fix from Arnd Bergmann: "One more last minute revert for a boot regression that was found on the popular colibri-imx7" * tag 'soc-fixes-6.1-6' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: Revert "ARM: dts: imx7: Fix NAND controller size-cells"
…/git/mchehab/linux-media Pull media fix from Mauro Carvalho Chehab: "A v4l-core fix related to validating DV timings related to video blanking values" * tag 'media/v6.1-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: media: v4l2-dv-timings.c: fix too strict blanking sanity checks
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