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authorKieran Bingham <kieran.bingham@ideasonboard.com>2021-09-10 16:49:24 +0100
committerKieran Bingham <kieran.bingham@ideasonboard.com>2021-09-14 12:47:53 +0100
commit3bcb7a90c1b1404e51015bda9add4d2ba467c052 (patch)
treeb1e332499eea157d9add3f9ab2e54bd22cc1ca67 /Documentation
parent84acaac8b73ad4740ce0eff45421241f88ea0c7c (diff)
ipa: ipu3: Clear incoming parameter use flags
The incoming params buffer may contain uninitialised data, or the parameters of previously queued frames. Clearing the entire buffer may be an expensive operation, and the kernel will only read from structures which have their associated use-flag set. It is the responsibility of the algorithms to set the use flags accordingly for any data structure they update during prepare(). Clear the use flags of the parameter buffer before passing the buffer to the algorithms during their prepare() operations. Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com> Tested-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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