drm: mxsfb: Support the alpha plane

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The LCDIF in the i.MX6SX and i.MX7 have a second plane called the alpha
plane. Support it.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20200727020654.8231-23-laurent.pinchart@ideasonboard.com

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Laurent Pinchart 2020-07-27 05:06:54 +03:00 • committed by Stefan Agner

parent b963ad95a0

commit 63aa581c30

4 changed files with 144 additions and 16 deletions

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3

drivers/gpu/drm/mxsfb/mxsfb_drv.c

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6

drivers/gpu/drm/mxsfb/mxsfb_drv.h

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129

drivers/gpu/drm/mxsfb/mxsfb_kms.c

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22

drivers/gpu/drm/mxsfb/mxsfb_regs.h

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