Maxime Ripard <maxime.rip...@bootlin.com> writes: > The preferred bpp for the fbdev emulation buffer has been 32 so far, which > means that by default we will allocate an 8MB buffer with a 1920x1080 > resolution. > > Worse this memory will be allocated from the CMA pool, and will never be > freed even if we don't use the fbdev emulation. Therefore, reducing it is a > big deal, and switching to 16bpp by default will gain us around 4MB at > 1920x1080, while keeping decent color depth. And users still have the > option to switch to 32bpp using the kernel command line.
Reviewed-by: Eric Anholt <e...@anholt.net> This matches the defaults used by the bcm2708 fbdev driver that we're trying to get people to switch off of.
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