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disp: msm: sde: add support for digital dimming

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Add a new connector property to allow DC dimming feature to set
dimming backlight LUT. This change also adds a connector event
for client to register for backlight info needed for digital dimming
feature, including OS brightness, OS brightness_max, panel_backlight,
panel_backlight_max, and scale factors from ABA and LTM features.

Change-Id: I78f713fb2b965ca24effd973b4dfa9ff07a852f8
Signed-off-by: Ping Li <pingli@codeaurora.org>
This commit is contained in:
Ping Li
2021-01-20 15:36:37 -08:00
parent 72f7dfe428
commit 9a17c5783b
8 changed files with 113 additions and 0 deletions
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include/uapi/display/drm/sde_drm.h
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@@ -813,6 +813,7 @@ struct drm_msm_noise_layer_cfg {
#define DRM_EVENT_LTM_OFF 0X8000000A
#define DRM_EVENT_MMRM_CB 0X8000000B
#define DRM_EVENT_FRAME_DATA 0x8000000C
#define DRM_EVENT_DIMMING_BL 0X8000000D
#ifndef DRM_MODE_FLAG_VID_MODE_PANEL
#define DRM_MODE_FLAG_VID_MODE_PANEL 0x01