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

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

Signed-off-by: Shaoyun Liu <shaoyun.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Shaoyun Liu
2025-11-04 11:27:12 -05:00
committed by Alex Deucher
parent f24e96d69f
commit 2b950ac913
1 changed files with 20 additions and 1 deletions
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21
drivers/gpu/drm/amd/include/mes_v12_api_def.h
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@@ -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;