Commit 4a8396d5 authored by Chun-Liang Chang's avatar Chun-Liang Chang Committed by Alex Deucher
Browse files

drm/amd/display: Add Read Histogram command header 



[Why]
Read the histogram for VariBright validation

[How]
Add dc/dmub functions to read histogram and ACE

Reviewed-by: default avatarJun Lei <jun.lei@amd.com>
Signed-off-by: default avatarChun-Liang Chang <Chun-Liang.Chang@amd.com>
Signed-off-by: default avatarAurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 8b8a602c

drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c

+2 −0
Original line number Diff line number Diff line
@@ -28,6 +28,8 @@ 
#include "dc.h"

#include "core_types.h"

#include "dmub_cmd.h"

#include "dc_dmub_srv.h"

#include "dmub/dmub_srv.h"



#define TO_DMUB_ABM(abm)\

	container_of(abm, struct dce_abm, base)

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

+59 −0
Original line number Diff line number Diff line
@@ -4360,6 +4360,11 @@ enum dmub_cmd_abm_type { 
	 * Get the current ACE curve.

	 */

	DMUB_CMD__ABM_GET_ACE_CURVE = 10,



	/**

	 * Get current histogram data

	 */

	DMUB_CMD__ABM_GET_HISTOGRAM_DATA = 11,

};



struct abm_ace_curve {
@@ -4953,6 +4958,20 @@ enum dmub_abm_ace_curve_type { 
	ABM_ACE_CURVE_TYPE__SW_IF = 1,

};



/**

 * enum dmub_abm_histogram_type - Histogram type.

 */

enum dmub_abm_histogram_type {

	/**

	 * ACE curve as defined by the SW layer.

	 */

	ABM_HISTOGRAM_TYPE__SW = 0,

	/**

	 * ACE curve as defined by the SW to HW translation interface layer.

	 */

	ABM_HISTOGRAM_TYPE__SW_IF = 1,

};



/**

 * Definition of a DMUB_CMD__ABM_GET_ACE_CURVE command.

 */
@@ -4988,6 +5007,41 @@ struct dmub_rb_cmd_abm_get_ace_curve { 
	uint8_t pad;

};



/**

 * Definition of a DMUB_CMD__ABM_GET_HISTOGRAM command.

 */

struct dmub_rb_cmd_abm_get_histogram {

	/**

	 * Command header.

	 */

	struct dmub_cmd_header header;



	/**

	 * Address where Histogram should be copied.

	 */

	union dmub_addr dest;



	/**

	 * Type of Histogram being queried.

	 */

	enum dmub_abm_histogram_type histogram_type;



	/**

	 * Indirect buffer length.

	 */

	uint16_t bytes;



	/**

	 * eDP panel instance.

	 */

	uint8_t panel_inst;



	/**

	 * Explicit padding to 4 byte boundary.

	 */

	uint8_t pad;

};



/**

 * Definition of a DMUB_CMD__ABM_SAVE_RESTORE command.

 */
@@ -5686,6 +5740,11 @@ union dmub_rb_cmd { 
	 */

	struct dmub_rb_cmd_abm_get_ace_curve abm_get_ace_curve;



	/**

	 * Definition of a DMUB_CMD__ABM_GET_HISTOGRAM command.

	 */

	struct dmub_rb_cmd_abm_get_histogram abm_get_histogram;



	/**

	 * Definition of a DMUB_CMD__ABM_SET_EVENT command.

	 */