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| /openbmc/linux/drivers/gpu/ipu-v3/ |
| H A D | ipu-image-convert.c | 64fbae5e Tue Sep 18 04:34:15 CDT 2018 Philipp Zabel <p.zabel@pengutronix.de> gpu: ipu-v3: image-convert: select optimal seam positions
Select seam positions that minimize distortions during seam hiding while
satifying input and output IDMAC, rotator, and image format constraints.
This code looks for aligned output seam positions that minimize the
difference between the fractional corresponding ideal input positions
and the input positions rounded to alignment requirements.
Since now tiles can be sized differently, alignment restrictions of the
complete image can be relaxed in the next step.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Steve Longerbeam <slongerbeam@gmail.com>
Tested-by: Steve Longerbeam <slongerbeam@gmail.com>
64fbae5e Tue Sep 18 04:34:15 CDT 2018 Philipp Zabel <p.zabel@pengutronix.de> gpu: ipu-v3: image-convert: select optimal seam positions
Select seam positions that minimize distortions during seam hiding while
satifying input and output IDMAC, rotator, and image format constraints.
This code looks for aligned output seam positions that minimize the
difference between the fractional corresponding ideal input positions
and the input positions rounded to alignment requirements.
Since now tiles can be sized differently, alignment restrictions of the
complete image can be relaxed in the next step.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Steve Longerbeam <slongerbeam@gmail.com>
Tested-by: Steve Longerbeam <slongerbeam@gmail.com>
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