drm/fsl-dcu: introduce kernel parameter to specify fbdev depth

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Add a kernel parameter legancyfb_depth (like the i.MX drm driver)
to control the legancy fbdev depth. Default to the so far hard
coded depth of 24-bit. Currently changing the framebuffer depth
is not possible from user space when using the fbdev emulation
layer... This provides a rudimentary mechanism to change depth
without having to change kernel code.

Signed-off-by: Stefan Agner <stefan@agner.ch>

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This commit is contained in:

Stefan Agner 2016-11-16 17:23:27 -08:00

parent c162215f57

commit 73fe26a486

1 changed files with 15 additions and 1 deletions

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drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c

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