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drm: define a new SDE custom IOCTL for early wakeup display feature

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Add this new IOCTL for user-space to wake up kernel display as soon
as it gets a new frame update.

Change-Id: Icd45b47e99ca0ea996e46ae8335a29f6636bf406
Signed-off-by: Lei Chen <chenlei@codeaurora.org>
This commit is contained in:
Lei Chen
2020-05-26 16:20:08 +08:00
parent 6d1c929a4d
commit 2bcfcab1cb
1 changed files with 33 additions and 0 deletions
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33
include/uapi/display/drm/sde_drm.h
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@@ -627,11 +627,34 @@ struct drm_msm_power_ctrl {
__u32 enable;
__u32 flags;
};
/**
* struct drm_msm_early_wakeup: Payload to early wake up display
* @wakeup_hint: early wakeup hint.
* @connector_id: connector id. e.g.: for connector pass connector id.
*/
struct drm_msm_early_wakeup {
__u32 wakeup_hint;
__u32 connector_id;
};
/**
* struct drm_msm_display_hint: Payload for display hint
* @hint_flags: display hint flags.
* @data: data struct. e.g.: for display hint parameter.
* Userspace pointer to struct base on hint flags.
*/
struct drm_msm_display_hint {
__u64 data;
__u32 hint_flags;
};
#define DRM_SDE_WB_CONFIG 0x40
#define DRM_MSM_REGISTER_EVENT 0x41
#define DRM_MSM_DEREGISTER_EVENT 0x42
#define DRM_MSM_RMFB2 0x43
#define DRM_MSM_POWER_CTRL 0x44
#define DRM_MSM_DISPLAY_HINT 0x45
/* sde custom events */
#define DRM_EVENT_HISTOGRAM 0x80000000
@@ -646,6 +669,14 @@ struct drm_msm_power_ctrl {
#define DRM_EVENT_LTM_WB_PB 0X80000009
#define DRM_EVENT_LTM_OFF 0X8000000A
/* display hint flags*/
#define DRM_MSM_DISPLAY_EARLY_WAKEUP_HINT 0x01
#define DRM_MSM_DISPLAY_POWER_COLLAPSE_HINT 0x02
#define DRM_MSM_DISPLAY_IDLE_TIMEOUT_HINT 0x04
#define DRM_MSM_DISPLAY_MODE_CHANGE_HINT 0x08
#define DRM_MSM_WAKE_UP_ALL_DISPLAYS 0xFFFFFFFF
#define DRM_IOCTL_SDE_WB_CONFIG \
DRM_IOW((DRM_COMMAND_BASE + DRM_SDE_WB_CONFIG), struct sde_drm_wb_cfg)
#define DRM_IOCTL_MSM_REGISTER_EVENT DRM_IOW((DRM_COMMAND_BASE + \
@@ -656,6 +687,8 @@ struct drm_msm_power_ctrl {
DRM_MSM_RMFB2), unsigned int)
#define DRM_IOCTL_MSM_POWER_CTRL DRM_IOW((DRM_COMMAND_BASE + \
DRM_MSM_POWER_CTRL), struct drm_msm_power_ctrl)
#define DRM_IOCTL_MSM_DISPLAY_HINT DRM_IOW((DRM_COMMAND_BASE + \
DRM_MSM_DISPLAY_HINT), struct drm_msm_display_hint)
#if defined(__cplusplus)
}