AMD General Looks ok to me . You can add me as RB .
Regards Shaoyun.liu -----Original Message----- From: Sun, Yongqiang <[email protected]> Sent: Wednesday, September 23, 2026 3:19 PM To: [email protected] Cc: Liu, Shaoyun <[email protected]>; Sun, Yongqiang <[email protected]> Subject: [PATCH 1/3] drm/amdgpu: update MES v11/v12 API for mes_dbgext Add the MES firmware debug-extension ("mes_dbgext") API definitions to the shared MES v11 and v12 interface headers: the MESAPI_MISC__SETUP_MES_DBGEXT misc opcode, the MES_DBGEXT_INIT_DATA struct (log buffer MC address + option bits), and the corresponding dbgext_init_data member of union MESAPI__MISC. These describe the SETUP_MES_DBGEXT packet the firmware expects and are consumed by the per-IP mes_dbgext wiring for gfx11 and gfx12. Signed-off-by: Yongqiang Sun <[email protected]> --- drivers/gpu/drm/amd/include/mes_v11_api_def.h | 18 ++++++++++++++++++ drivers/gpu/drm/amd/include/mes_v12_api_def.h | 17 +++++++++++++++++ 2 files changed, 35 insertions(+) diff --git a/drivers/gpu/drm/amd/include/mes_v11_api_def.h b/drivers/gpu/drm/amd/include/mes_v11_api_def.h index a8e6ccc7817c..e251ccc41f9c 100644 --- a/drivers/gpu/drm/amd/include/mes_v11_api_def.h +++ b/drivers/gpu/drm/amd/include/mes_v11_api_def.h @@ -622,6 +622,7 @@ enum MESAPI_MISC_OPCODE { MESAPI_MISC__NOTIFY_TO_UNMAP_PROCESSES, MESAPI_MISC__CHANGE_CONFIG, MESAPI_MISC__LAUNCH_CLEANER_SHADER, + MESAPI_MISC__SETUP_MES_DBGEXT, MESAPI_MISC__MAX, }; @@ -702,6 +703,22 @@ struct CHANGE_CONFIG { } tdr_config; }; +/* + * MES firmware debug extension ("mes_dbgext"): the driver hands the +MES a + * GART/GTT log buffer; the MES firmware writes text/binary log items +into a + * circular, zone-partitioned buffer that the driver drains and prints. + */ +struct MES_DBGEXT_INIT_DATA { + uint64_t dbg_ext_mc_addr; + union { + struct { + uint64_t trigger_interrupt_per_new_msg : 1; + uint64_t reserved : 63; + }; + uint64_t u64_all; + }; +}; + union MESAPI__MISC { struct { union MES_API_HEADER header; @@ -717,6 +734,7 @@ union MESAPI__MISC { struct SET_SHADER_DEBUGGER set_shader_debugger; enum MES_AMD_PRIORITY_LEVEL queue_sch_level; struct CHANGE_CONFIG change_config; + struct MES_DBGEXT_INIT_DATA dbgext_init_data; uint32_t data[MISC_DATA_MAX_SIZE_IN_DWORDS]; }; diff --git a/drivers/gpu/drm/amd/include/mes_v12_api_def.h b/drivers/gpu/drm/amd/include/mes_v12_api_def.h index cb7ebdfffeeb..3e214cb4f6e1 100644 --- a/drivers/gpu/drm/amd/include/mes_v12_api_def.h +++ b/drivers/gpu/drm/amd/include/mes_v12_api_def.h @@ -839,6 +839,22 @@ struct CHANGE_CONFIG { } tdr_config; }; +/* + * MES firmware debug extension ("mes_dbgext"): the driver hands the +MES a + * GART/GTT log buffer; the MES firmware writes text/binary log items +into a + * circular, zone-partitioned buffer that the driver drains and prints. + */ +struct MES_DBGEXT_INIT_DATA { + uint64_t dbg_ext_mc_addr; + union { + struct { + uint64_t trigger_interrupt_per_new_msg : 1; + uint64_t reserved : 63; + }; + uint64_t u64_all; + }; +}; + union MESAPI__MISC { struct { union MES_API_HEADER header; @@ -853,6 +869,7 @@ union MESAPI__MISC { struct SET_SHADER_DEBUGGER set_shader_debugger; enum MES_AMD_PRIORITY_LEVEL queue_sch_level; struct CHANGE_CONFIG change_config; + struct MES_DBGEXT_INIT_DATA dbgext_init_data; uint32_t data[MISC_DATA_MAX_SIZE_IN_DWORDS]; }; uint64_t timestamp; -- 2.43.0
