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author | Yakir Yang <ykk@rock-chips.com> | 2016-07-24 14:57:44 +0800 |
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committer | Sean Paul <seanpaul@chromium.org> | 2016-08-23 11:44:32 -0400 |
commit | 5182c1a556d7ff70e28516c4b9250a347b732af0 (patch) | |
tree | 60c2d74532993ab5f9623a43ce93d50c05044adf /drivers/gpu/drm/bridge | |
parent | 69c34e41f5d4e8a719d67673647b39f807ae8c71 (diff) |
drm/rockchip: add an common abstracted PSR driver
The PSR driver have exported four symbols for specific device driver, and
it's safe to call them in interrupt context:
- rockchip_drm_psr_register()
- rockchip_drm_psr_unregister()
- rockchip_drm_psr_enable()
- rockchip_drm_psr_disable()
- rockchip_drm_psr_flush()
Encoder driver should call the register/unregister interfaces to hook
itself into common PSR driver, encoder have implement the 'psr_set'
callback which use the set PSR state in hardware side.
Crtc driver would call the enable/disable interfaces when vblank is
enable/disable, after that the common PSR driver would call the encoder
registered callback to set the PSR state.
Fb driver would call the flush interface in 'fb->dirty' callback, this
helper function would force all PSR enabled encoders to exit from PSR
for 3 seconds.
Signed-off-by: Yakir Yang <ykk@rock-chips.com>
[seanpaul removed leftover psr_enabled/psr_work kruft from drm_vop.c]
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/bridge')
0 files changed, 0 insertions, 0 deletions