diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dsi.c | 17 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dsi.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c | 22 |
3 files changed, 40 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index edb6bea870d6..4009618a5b34 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -1489,11 +1489,28 @@ void intel_dsi_init(struct drm_device *dev) intel_dsi->dcs_backlight_ports = BIT(PORT_A) | BIT(PORT_C); break; } + + switch (dev_priv->vbt.dsi.config->dl_dcs_cabc_ports) { + case DL_DCS_PORT_A: + intel_dsi->dcs_cabc_ports = BIT(PORT_A); + break; + case DL_DCS_PORT_C: + intel_dsi->dcs_cabc_ports = BIT(PORT_C); + break; + default: + case DL_DCS_PORT_A_AND_C: + intel_dsi->dcs_cabc_ports = BIT(PORT_A) | BIT(PORT_C); + break; + } } else { intel_dsi->ports = BIT(port); intel_dsi->dcs_backlight_ports = BIT(port); + intel_dsi->dcs_cabc_ports = BIT(port); } + if (!dev_priv->vbt.dsi.config->cabc_supported) + intel_dsi->dcs_cabc_ports = 0; + /* Create a DSI host (and a device) for each port. */ for_each_dsi_port(port, intel_dsi->ports) { struct intel_dsi_host *host; diff --git a/drivers/gpu/drm/i915/intel_dsi.h b/drivers/gpu/drm/i915/intel_dsi.h index b00fb3fbb0b1..5967ea6d6045 100644 --- a/drivers/gpu/drm/i915/intel_dsi.h +++ b/drivers/gpu/drm/i915/intel_dsi.h @@ -80,6 +80,7 @@ struct intel_dsi { u8 dual_link; u16 dcs_backlight_ports; + u16 dcs_cabc_ports; u8 pixel_overlap; u32 port_bits; 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); } |