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authorJacopo Mondi <jacopo@jmondi.org>2021-03-17 14:06:30 +0100
committerJacopo Mondi <jacopo@jmondi.org>2021-05-20 10:58:52 +0200
commit630c83f82a6dfcac749469be62599b72c250b063 (patch)
tree21184972cf5b34ce354884e5a08e38f3d431ff88 /include/linux/dma-buf.h
parentc1b0e931a6f353d35d40f46e07832e8301f61a8a (diff)
libcamera: ipu3: imgu: Fix BDS height calculation
The IF rectangle height is iteratively computed by first subtracting the scaling factor to the estimated height, then in a successive loop by adding the same scaling factor until the maximum IF size is not reached. As the computed IF height is not cached in any variable, the second loop over-writes the result of the first one, even if the BDS alignment condition is not satisfied. Fix this by caching the result of the two iterations, and use the one that produced any result, with a preference for the one produced by the second loop, as implemented in the reference python script. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Tested-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com> Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Hirokazu Honda <hiroh@chromium.org>
Diffstat (limited to 'include/linux/dma-buf.h')
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