diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c b/drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c index 7f9bbffa7f8c..f0dc427743f8 100644 --- a/drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c +++ b/drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c @@ -33,6 +33,12 @@ #define CONTROL_DISPLAY_DD (1 << 3) #define CONTROL_DISPLAY_BL (1 << 2) +#define POWER_SAVE_OFF (0 << 0) +#define POWER_SAVE_LOW (1 << 0) +#define POWER_SAVE_MEDIUM (2 << 0) +#define POWER_SAVE_HIGH (3 << 0) +#define POWER_SAVE_OUTDOOR_MODE (4 << 0) + #define PANEL_PWM_MAX_VALUE 0xFF static u32 dcs_get_backlight(struct intel_connector *connector) @@ -79,6 +85,14 @@ static void dcs_disable_backlight(struct intel_connector *connector) dcs_set_backlight(connector, 0); + for_each_dsi_port(port, intel_dsi->dcs_cabc_ports) { + u8 cabc = POWER_SAVE_OFF; + + dsi_device = intel_dsi->dsi_hosts[port]->device; + mipi_dsi_dcs_write(dsi_device, MIPI_DCS_WRITE_POWER_SAVE, + &cabc, sizeof(cabc)); + } + for_each_dsi_port(port, intel_dsi->dcs_backlight_ports) { u8 ctrl = 0; @@ -120,6 +134,14 @@ static void dcs_enable_backlight(struct intel_connector *connector) &ctrl, sizeof(ctrl)); } + for_each_dsi_port(port, intel_dsi->dcs_cabc_ports) { + u8 cabc = POWER_SAVE_MEDIUM; + + dsi_device = intel_dsi->dsi_hosts[port]->device; + mipi_dsi_dcs_write(dsi_device, MIPI_DCS_WRITE_POWER_SAVE, + &cabc, sizeof(cabc)); + } + dcs_set_backlight(connector, panel->backlight.level); } |