mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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4cba7071b7
The setup code for color space conversion is a bit messy. This patch cleans it up. For some reason the TRM uses values in YCrCb order, which is also used in the current driver, whereas everywhere else it's YCbCr (which also matches YUV order). This patch changes the tables to use the common order to avoid confusion. The tables are split into separate lines, and comments added for clarity. WB color conversion registers are similar but different than non-WB, but the same function was used to write both. It worked fine because the coef table was adjusted accordingly, but that was rather confusing. This patch adds a separate function to write the WB values so that the coef table can be written in an understandable way. Recalculation also showed that 'bcb' value in yuv-to-rgb conversion had been rounded wrongly, and it should be 516 instead of 517. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
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