drm/meson: add resume/suspend hooks

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Add the suspend and resume hooks to:
- save and disable the entire DRM driver on suspend
- re-init the entire VPU subsystem on resume, to recover CRTC and pixel
generator functionnal usage after DDR suspend, then recover DRM driver
state

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: Kevin Hilman <khilman@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190827095825.21015-3-narmstrong@baylibre.com

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Neil Armstrong 2019-08-27 11:58:25 +02:00

parent 1374b8375c

commit cf3d4e5347

1 changed files with 32 additions and 0 deletions

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drivers/gpu/drm/meson/meson_drv.c

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