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drm/amd/powerplay: add new sysfs interface for retrieving gpu metrics(V2)

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A new interface for UMD to retrieve gpu metrics data.

V2: rich the documentation

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Evan Quan
2020-07-23 18:03:35 +08:00
committed by Alex Deucher
parent 39c5a1cef8
commit 25c933b1c4
6 changed files with 90 additions and 0 deletions
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1
drivers/gpu/drm/amd/include/kgd_pp_interface.h
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@ -322,6 +322,7 @@ struct amd_pm_funcs {
int (*asic_reset_mode_2)(void *handle);
int (*set_df_cstate)(void *handle, enum pp_df_cstate state);
int (*set_xgmi_pstate)(void *handle, uint32_t pstate);
ssize_t (*get_gpu_metrics)(void *handle, void **table);
};
struct metrics_table_header {