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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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4
msm/dsi/dsi_panel.h
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@@ -126,10 +126,14 @@ struct dsi_backlight_config {
u32 bl_min_level;
u32 bl_max_level;
u32 brightness_max_level;
/* current brightness value */
u32 brightness;
u32 bl_level;
u32 bl_scale;
u32 bl_scale_sv;
bool bl_inverted_dbv;
/* digital dimming backlight LUT */
struct drm_msm_dimming_bl_lut *dimming_bl_lut;
int en_gpio;
/* PWM params */