drm/fsl-dcu: implement irq_preinstall/uninstall callbacks

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Make use of the irq_preinstall/uninstall callback to clear and
mask all interrupts. Use write 1 to clear as documented by the
data sheet (writing a 0 seems to have cleared interrupt status
too). Remove fsl_dcu_drm_irq_init and call drm_irq_install
directly from fsl_dcu_load makes error handling a bit simpler.
Do not set irq_enabled since drm_irq_install is taking care of
it.

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

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Stefan Agner 2017-06-01 19:43:30 -07:00

parent ffe881fba1

commit 685ec6ebcd

1 changed files with 8 additions and 12 deletions

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

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