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drm/lima: add pm resume/suspend ops

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Add driver pm system and runtime hardware resume/suspend ops.
Note this won't enable runtime pm of the device yet.

v2:
Do clock and power gating when suspend/resume.

Tested-by: Bhushan Shah <bshah@kde.org>
Reviewed-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200421133551.31481-10-yuq825@gmail.com
This commit is contained in:
Qiang Yu
2020-04-21 21:35:50 +08:00
parent 7a475eb470
commit 63945d5149
3 changed files with 100 additions and 0 deletions
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3
drivers/gpu/drm/lima/lima_device.h
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@@ -140,4 +140,7 @@ static inline int lima_poll_timeout(struct lima_ip *ip, lima_poll_func_t func,
return 0;
}
int lima_device_suspend(struct device *dev);
int lima_device_resume(struct device *dev);
#endif