Commit 053065a4 authored by Aurabindo Pillai's avatar Aurabindo Pillai Committed by Alex Deucher
Browse files

drm/amd/display: Add FAMS related definitions and documenation for enum fields 



[Why&How]
Add Enum and documenation related to FAMS (Firmware Assisted Memclk
Switching) and CAB (Cache As Buffer)

Reviewed-by: default avatarQingqing Zhuo <qingqing.zhuo@amd.com>
Reviewed-by: default avatarLeo Li <sunpeng.li@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 87c2213e

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

+15 −2
Original line number Diff line number Diff line
@@ -376,6 +376,7 @@ enum dmub_fw_boot_status_bit { 
	DMUB_FW_BOOT_STATUS_BIT_OPTIMIZED_INIT_DONE = (1 << 2), /**< 1 if init done */

	DMUB_FW_BOOT_STATUS_BIT_RESTORE_REQUIRED = (1 << 3), /**< 1 if driver should call restore */

	DMUB_FW_BOOT_STATUS_BIT_DEFERRED_LOADED = (1 << 4), /**< 1 if VBIOS data is deferred programmed */

	DMUB_FW_BOOT_STATUS_BIT_FAMS_ENABLED = (1 << 5), /**< 1 if FAMS is enabled*/

	DMUB_FW_BOOT_STATUS_BIT_DETECTION_REQUIRED = (1 << 6), /**< 1 if detection need to be triggered by driver*/

	DMUB_FW_BOOT_STATUS_BIT_HW_POWER_INIT_DONE = (1 << 7), /**< 1 if hw power init is completed */

};
@@ -989,16 +990,25 @@ struct dmub_rb_cmd_mall { 
};



/**

 * enum dmub_cmd_cab_type - TODO:

 * enum dmub_cmd_cab_type - CAB command data.

 */

enum dmub_cmd_cab_type {

	/**

	 * No idle optimizations (i.e. no CAB)

	 */

	DMUB_CMD__CAB_NO_IDLE_OPTIMIZATION = 0,

	/**

	 * No DCN requests for memory

	 */

	DMUB_CMD__CAB_NO_DCN_REQ = 1,

	/**

	 * Fit surfaces in CAB (i.e. CAB enable)

	 */

	DMUB_CMD__CAB_DCN_SS_FIT_IN_CAB = 2,

};



/**

 * struct dmub_rb_cmd_cab_for_ss - TODO:

 * struct dmub_rb_cmd_cab - CAB command data.

 */

struct dmub_rb_cmd_cab_for_ss {

	struct dmub_cmd_header header;
@@ -1006,6 +1016,9 @@ struct dmub_rb_cmd_cab_for_ss { 
	uint8_t debug_bits;     /* debug bits */

};



/**

 * Enum for indicating which MCLK switch mode per pipe

 */

enum mclk_switch_mode {

	NONE = 0,

	FPO = 1,