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H A D | ipu-image-convert.c | fee77829 Thu Jun 13 20:02:55 CDT 2019 Steve Longerbeam <slongerbeam@gmail.com> gpu: ipu-v3: image-convert: Enable double write reduction
For the write channels with 4:2:0 subsampled YUV formats, avoid chroma overdraw by only writing chroma for even lines (skip odd chroma rows). This reduces necessary write memory bandwidth by at least 25% (more with rotation enabled).
Signed-off-by: Steve Longerbeam <slongerbeam@gmail.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> fee77829 Thu Jun 13 20:02:55 CDT 2019 Steve Longerbeam <slongerbeam@gmail.com> gpu: ipu-v3: image-convert: Enable double write reduction For the write channels with 4:2:0 subsampled YUV formats, avoid chroma overdraw by only writing chroma for even lines (skip odd chroma rows). This reduces necessary write memory bandwidth by at least 25% (more with rotation enabled). Signed-off-by: Steve Longerbeam <slongerbeam@gmail.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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