drm/nouveau/volt/gk104: add support for pwm and gpio modes
Most Keplers actually use the GPIO-based voltage management instead of the new
PWM-based one. Use the GPIO mode as a fallback as it already gracefully handles
the case where no GPIOs exist.
All the Maxwells seem to use the PWM method though.
v2:
- Do not forget to commit the PWM configuration change!
Signed-off-by:
Martin Peres <martin.peres@free.fr>
parent
4c58a05b
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