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9946a3a9db
But only if the highest pixel-clock frequency lower than requested is significantly less accurate than the lowest frequency higher than requested. I pulled "10 times" as the discriminator out of the hat, and went with that. This is useful, if e.g. the target pixel-clock is 65MHz and the sys_clk is 132MHz. In this case the highest possible pixel-clock lower than the requested 65MHz is 52.8MHz, which is almost 20% off (and outside the spec for the panel). The lowest possible pixel-clock higher than 65MHz is 66MHz, which is a *much* better match, and only 1.5% off. Signed-off-by: Peter Rosin <peda@axentia.se> Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180824092458.13165-3-peda@axentia.se |
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