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H A D | exynos_mixer.c | diff 2611015c7511106719bae904cac459383c55ffef Tue Apr 07 01:14:52 CEST 2015 Tobias Jakobi <tjakobi@math.uni-bielefeld.de> drm/exynos: mixer: add 2x scaling to mixer_graph_buffer
While the VP (video processor) supports arbitrary scaling of its input, the mixer just supports a simple 2x (line doubling) scaling. Expose this functionality and exit early when an unsupported scaling configuration is encountered.
This was tested with modetest's DRM plane test (from the libdrm test suite) on an Odroid-X2 (Exynos4412).
v2: Put if- and return-statement on different lines.
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de> Acked-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
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