drivers/gpu/drm/amd/pm/powerplay/smumgr/vega20_smumgr.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/pm/powerplay/smumgr/vega20_smumgr.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/pm/powerplay/smumgr/vega20_smumgr.h
Extension
.h
Size
2234 bytes
Lines
64
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct smu_table_entry {
	uint32_t version;
	uint32_t size;
	uint64_t mc_addr;
	void *table;
	struct amdgpu_bo *handle;
};

struct smu_table_array {
	struct smu_table_entry entry[TABLE_COUNT];
};

struct vega20_smumgr {
	struct smu_table_array            smu_tables;
};

#define SMU_FEATURES_LOW_MASK        0x00000000FFFFFFFF
#define SMU_FEATURES_LOW_SHIFT       0
#define SMU_FEATURES_HIGH_MASK       0xFFFFFFFF00000000
#define SMU_FEATURES_HIGH_SHIFT      32

int vega20_enable_smc_features(struct pp_hwmgr *hwmgr,
		bool enable, uint64_t feature_mask);
int vega20_get_enabled_smc_features(struct pp_hwmgr *hwmgr,
		uint64_t *features_enabled);
int vega20_set_activity_monitor_coeff(struct pp_hwmgr *hwmgr,
		uint8_t *table, uint16_t workload_type);
int vega20_get_activity_monitor_coeff(struct pp_hwmgr *hwmgr,
		uint8_t *table, uint16_t workload_type);
int vega20_set_pptable_driver_address(struct pp_hwmgr *hwmgr);

bool vega20_is_smc_ram_running(struct pp_hwmgr *hwmgr);

#endif

Annotation

Implementation Notes