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Commit 2bcfcab1 authored by Lei Chen's avatar Lei Chen
Browse files

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



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: default avatarLei Chen <chenlei@codeaurora.org>
parent 6d1c929a

include/uapi/display/drm/sde_drm.h

+33 −0
Original line number Diff line number Diff line
@@ -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)

}