From eaeb5ff20f7663738cea2a415a7d923febf7ff85 Mon Sep 17 00:00:00 2001 From: Lakshmanan M Date: Mon, 7 Nov 2016 15:49:00 +0530 Subject: gpu: nvgpu: Add thermal alert event handling * Added the thermal alert event handling * Added the thermal alert event PMU RPC JIRA DNVGPU-130 Bug 200231080 Change-Id: If5ff2704e5aa6ad2f25123f72c3049a311dae5dc Signed-off-by: Lakshmanan M Reviewed-on: http://git-master/r/1248964 (cherry picked from commit 1850e5a9b9dfa2f9df634e2f284ab282ad9f7fc8) Reviewed-on: http://git-master/r/1253452 Reviewed-by: mobile promotions Tested-by: mobile promotions --- drivers/gpu/nvgpu/gk20a/gk20a.h | 1 + drivers/gpu/nvgpu/gk20a/pmu_gk20a.c | 21 +++++++++++++++++++++ drivers/gpu/nvgpu/pmuif/gpmuiftherm.h | 22 ++++++++++++++++++++++ 3 files changed, 44 insertions(+) (limited to 'drivers') diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h index 9e0dd64a..b955a84a 100644 --- a/drivers/gpu/nvgpu/gk20a/gk20a.h +++ b/drivers/gpu/nvgpu/gk20a/gk20a.h @@ -593,6 +593,7 @@ struct gpu_ops { int (*get_internal_sensor_curr_temp)(struct gk20a *g, u32 *temp_f24_8); void (*get_internal_sensor_limits)(s32 *max_24_8, s32 *min_24_8); + u32 (*configure_therm_alert)(struct gk20a *g, s32 curr_warn_temp); } therm; struct { bool (*is_pmu_supported)(struct gk20a *g); diff --git a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c index 56ebda1a..58dd6f43 100644 --- a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c +++ b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c @@ -4029,6 +4029,24 @@ static int pmu_handle_perfmon_event(struct pmu_gk20a *pmu, } +static int pmu_handle_therm_event(struct pmu_gk20a *pmu, + struct nv_pmu_therm_msg *msg) +{ + gk20a_dbg_fn(""); + + switch (msg->msg_type) { + case NV_PMU_THERM_MSG_ID_EVENT_HW_SLOWDOWN_NOTIFICATION: + gk20a_dbg_pmu("received asserted event mask %d", + msg->hw_slct_msg.mask); + break; + default: + gk20a_dbg_pmu("unkown therm event received %d", msg->msg_type); + break; + } + + return 0; +} + static int pmu_handle_event(struct pmu_gk20a *pmu, struct pmu_msg *msg) { int err = 0; @@ -4048,6 +4066,9 @@ static int pmu_handle_event(struct pmu_gk20a *pmu, struct pmu_msg *msg) WARN_ON(1); } break; + case PMU_UNIT_THERM: + err = pmu_handle_therm_event(pmu, &msg->msg.therm); + break; default: break; } diff --git a/drivers/gpu/nvgpu/pmuif/gpmuiftherm.h b/drivers/gpu/nvgpu/pmuif/gpmuiftherm.h index 9c10e93c..c87fe8a8 100644 --- a/drivers/gpu/nvgpu/pmuif/gpmuiftherm.h +++ b/drivers/gpu/nvgpu/pmuif/gpmuiftherm.h @@ -18,8 +18,12 @@ #define NV_PMU_THERM_CMD_ID_RPC 0x00000002 #define NV_PMU_THERM_MSG_ID_RPC 0x00000002 +#define NV_PMU_THERM_RPC_ID_SLCT 0x00000000 #define NV_PMU_THERM_RPC_ID_SLCT_EVENT_TEMP_TH_SET 0x00000006 #define NV_PMU_THERM_EVENT_THERMAL_1 0x00000004 +#define NV_PMU_THERM_CMD_ID_HW_SLOWDOWN_NOTIFICATION 0x00000001 +#define NV_RM_PMU_THERM_HW_SLOWDOWN_NOTIFICATION_REQUEST_ENABLE 0x00000001 +#define NV_PMU_THERM_MSG_ID_EVENT_HW_SLOWDOWN_NOTIFICATION 0x00000001 struct nv_pmu_therm_rpc_slct_event_temp_th_set { s32 temp_threshold; @@ -27,10 +31,16 @@ struct nv_pmu_therm_rpc_slct_event_temp_th_set { flcn_status flcn_stat; }; +struct nv_pmu_therm_rpc_slct { + u32 mask_enabled; + flcn_status flcn_stat; +}; + struct nv_pmu_therm_rpc { u8 function; bool b_supported; union { + struct nv_pmu_therm_rpc_slct slct; struct nv_pmu_therm_rpc_slct_event_temp_th_set slct_event_temp_th_set; } params; }; @@ -41,6 +51,11 @@ struct nv_pmu_therm_cmd_rpc { struct nv_pmu_allocation request; }; +struct nv_pmu_therm_cmd_hw_slowdown_notification { + u8 cmd_type; + u8 request; +}; + #define NV_PMU_THERM_CMD_RPC_ALLOC_OFFSET \ offsetof(struct nv_pmu_therm_cmd_rpc, request) @@ -48,6 +63,7 @@ struct nv_pmu_therm_cmd { union { u8 cmd_type; struct nv_pmu_therm_cmd_rpc rpc; + struct nv_pmu_therm_cmd_hw_slowdown_notification hw_slct_notification; }; }; @@ -57,6 +73,11 @@ struct nv_pmu_therm_msg_rpc { struct nv_pmu_allocation response; }; +struct nv_pmu_therm_msg_event_hw_slowdown_notification { + u8 msg_type; + u32 mask; +}; + #define NV_PMU_THERM_MSG_RPC_ALLOC_OFFSET \ offsetof(struct nv_pmu_therm_msg_rpc, response) @@ -64,6 +85,7 @@ struct nv_pmu_therm_msg { union { u8 msg_type; struct nv_pmu_therm_msg_rpc rpc; + struct nv_pmu_therm_msg_event_hw_slowdown_notification hw_slct_msg; }; }; -- cgit v1.2.2