diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/hw/panel_cntl.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/hw/panel_cntl.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/panel_cntl.h b/drivers/gpu/drm/amd/display/dc/inc/hw/panel_cntl.h index 5a75d035f1fa..f9ab5abb6462 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/panel_cntl.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/panel_cntl.h @@ -32,11 +32,23 @@ #include "dc_types.h" +#define MAX_BACKLIGHT_LEVEL 0xFFFF + +struct panel_cntl_backlight_registers { + unsigned int BL_PWM_CNTL; + unsigned int BL_PWM_CNTL2; + unsigned int BL_PWM_PERIOD_CNTL; + unsigned int LVTMA_PWRSEQ_REF_DIV_BL_PWM_REF_DIV; +}; + struct panel_cntl_funcs { void (*destroy)(struct panel_cntl **panel_cntl); - void (*hw_init)(struct panel_cntl *panel_cntl); + uint32_t (*hw_init)(struct panel_cntl *panel_cntl); bool (*is_panel_backlight_on)(struct panel_cntl *panel_cntl); bool (*is_panel_powered_on)(struct panel_cntl *panel_cntl); + void (*store_backlight_level)(struct panel_cntl *panel_cntl); + void (*driver_set_backlight)(struct panel_cntl *panel_cntl, + uint32_t backlight_pwm_u16_16); }; struct panel_cntl_init_data { @@ -48,6 +60,8 @@ struct panel_cntl { const struct panel_cntl_funcs *funcs; struct dc_context *ctx; uint32_t inst; + /* registers setting needs to be saved and restored at InitBacklight */ + struct panel_cntl_backlight_registers stored_backlight_registers; }; #endif /* DC_PANEL_CNTL_H_ */ |