drm/amd/display: 3.2.309

This version brings along the following:

- DML2 fixes
- DP fixes
- DPMS fix
- HPD fixes
- Misc cleanup
- ODM fix
- Replay fix
- SPL fix

Reviewed-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Author: AMD-aric

drivers/gpu/drm/amd/display/dc/dc.h

@@ -55,7 +55,7 @@ struct aux_payload;
 struct set_config_cmd_payload;
 struct dmub_notification;
 
-#define DC_VER "3.2.308"
+#define DC_VER "3.2.309"
 
 #define MAX_SURFACES 3
 #define MAX_PLANES 6

drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c

@@ -653,7 +653,8 @@ static void dmub_abm_set_backlight(struct dc_context *dc,
 	cmd.abm_set_backlight.header.sub_type = DMUB_CMD__ABM_SET_BACKLIGHT;
 	cmd.abm_set_backlight.abm_set_backlight_data.frame_ramp = backlight_level_params->frame_ramp;
 	cmd.abm_set_backlight.abm_set_backlight_data.backlight_user_level = backlight_level_params->backlight_pwm_u16_16;
-	cmd.abm_set_backlight.abm_set_backlight_data.backlight_control_type = backlight_level_params->control_type;
+	cmd.abm_set_backlight.abm_set_backlight_data.backlight_control_type =
+		(enum dmub_backlight_control_type) backlight_level_params->control_type;
 	cmd.abm_set_backlight.abm_set_backlight_data.min_luminance = backlight_level_params->min_luminance;
 	cmd.abm_set_backlight.abm_set_backlight_data.max_luminance = backlight_level_params->max_luminance;
 	cmd.abm_set_backlight.abm_set_backlight_data.min_backlight_pwm = backlight_level_params->min_backlight_pwm;

drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h

@@ -4426,6 +4426,24 @@ struct dmub_rb_cmd_abm_set_pipe {
 	struct dmub_cmd_abm_set_pipe_data abm_set_pipe_data;
 };
 
+/**
+ * Type of backlight control method to be used by ABM module
+ */
+enum dmub_backlight_control_type {
+	/**
+	 * PWM Backlight control
+	 */
+	DMU_BACKLIGHT_CONTROL_PWM = 0,
+	/**
+	 * VESA Aux-based backlight control
+	 */
+	DMU_BACKLIGHT_CONTROL_VESA_AUX = 1,
+	/**
+	 * AMD DPCD Aux-based backlight control
+	 */
+	DMU_BACKLIGHT_CONTROL_AMD_AUX = 2,
+};
+
 /**
  * Data passed from driver to FW in a DMUB_CMD__ABM_SET_BACKLIGHT command.
  */
@@ -4452,18 +4470,23 @@ struct dmub_cmd_abm_set_backlight_data {
 	 */
 	uint8_t panel_mask;
 
+	/**
+	 * AUX HW Instance.
+	 */
+	uint8_t aux_inst;
+
+	/**
+	 * Explicit padding to 4 byte boundary.
+	 */
+	uint8_t pad[1];
+
 	/**
 	 * Backlight control type.
 	 * Value 0 is PWM backlight control.
 	 * Value 1 is VAUX backlight control.
 	 * Value 2 is AMD DPCD AUX backlight control.
 	 */
-	uint8_t backlight_control_type;
-
-	/**
-	 * AUX HW instance.
-	 */
-	uint8_t aux_inst;
+	enum dmub_backlight_control_type backlight_control_type;
 
 	/**
 	 * Minimum luminance in nits.