Commit 2b950ac9 authored by Shaoyun Liu's avatar Shaoyun Liu Committed by Alex Deucher
Browse files

drm/amd/include : Update MES v12 comments on RESET API 



Added comments for the layout of contents that addressed by doorbell_offset_addr
in RESET API

Signed-off-by: default avatarShaoyun Liu <shaoyun.liu@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent f24e96d6

drivers/gpu/drm/amd/include/mes_v12_api_def.h

+20 −1
Original line number Diff line number Diff line
@@ -563,7 +563,26 @@ union MESAPI__RESET { 
		/* valid only if reset_queue_only = true */

		uint32_t			doorbell_offset;



		/* valid only if hang_detect_then_reset = true */

		/*

		 * valid only if hang_detect_then_reset or hang_detect_only = true

		 * doorbell_offset_addr will store the structure as follows

		 * struct

		 * {

		 *	uint32_t db_offset[list_size];

		 *	uint32_t hqd_id[list_size];

		 * }

		 * The hqd_id has following defines :

		 * struct

		 * {

		 *	uint32 queue_type : 3;  Type of the queue

		 *	uint32 pipe_index : 4;  pipe Index

		 *	uint32 hqd_index  : 8;  This is queue_index within the pipe

		 *	uint32 reserved   : 17;

		 * };

		 * The list_size is the total queue numbers that been managed by mes.

		 * It can be calculated from all hqd_masks(including gfX, compute and sdma)

		 * on set_hw_resource API

	         */

		uint64_t			doorbell_offset_addr;

		enum MES_QUEUE_TYPE		queue_type;