drivers/gpu/drm/amd/pm/powerplay/inc/hwmgr.h

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

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/pm/powerplay/inc/hwmgr.h
Extension
.h
Size
29668 bytes
Lines
833
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 vi_dpm_level {
	bool enabled;
	uint32_t value;
	uint32_t param1;
};

struct vi_dpm_table {
	uint32_t count;
	struct vi_dpm_level dpm_level[];
};

#define PCIE_PERF_REQ_REMOVE_REGISTRY   0
#define PCIE_PERF_REQ_FORCE_LOWPOWER    1
#define PCIE_PERF_REQ_GEN1         2
#define PCIE_PERF_REQ_GEN2         3
#define PCIE_PERF_REQ_GEN3         4

enum PHM_BackEnd_Magic {
	PHM_Dummy_Magic       = 0xAA5555AA,
	PHM_RV770_Magic       = 0xDCBAABCD,
	PHM_Kong_Magic        = 0x239478DF,
	PHM_NIslands_Magic    = 0x736C494E,
	PHM_Sumo_Magic        = 0x8339FA11,
	PHM_SIslands_Magic    = 0x369431AC,
	PHM_Trinity_Magic     = 0x96751873,
	PHM_CIslands_Magic    = 0x38AC78B0,
	PHM_Kv_Magic          = 0xDCBBABC0,
	PHM_VIslands_Magic    = 0x20130307,
	PHM_Cz_Magic          = 0x67DCBA25,
	PHM_Rv_Magic          = 0x20161121
};

struct phm_set_power_state_input {
	const struct pp_hw_power_state *pcurrent_state;
	const struct pp_hw_power_state *pnew_state;
};

struct phm_clock_array {
	uint32_t count;
	uint32_t values[];
};

struct phm_clock_voltage_dependency_record {
	uint32_t clk;
	uint32_t v;
};

struct phm_vceclock_voltage_dependency_record {
	uint32_t ecclk;
	uint32_t evclk;
	uint32_t v;
};

struct phm_uvdclock_voltage_dependency_record {
	uint32_t vclk;
	uint32_t dclk;
	uint32_t v;
};

struct phm_samuclock_voltage_dependency_record {
	uint32_t samclk;
	uint32_t v;
};

struct phm_acpclock_voltage_dependency_record {
	uint32_t acpclk;
	uint32_t v;
};

struct phm_clock_voltage_dependency_table {
	uint32_t count;
	struct phm_clock_voltage_dependency_record entries[];
};

struct phm_phase_shedding_limits_record {
	uint32_t  Voltage;
	uint32_t    Sclk;
	uint32_t    Mclk;
};

struct phm_uvd_clock_voltage_dependency_record {
	uint32_t vclk;
	uint32_t dclk;
	uint32_t v;
};

struct phm_uvd_clock_voltage_dependency_table {
	uint8_t count;
	struct phm_uvd_clock_voltage_dependency_record entries[];
};

Annotation

Implementation Notes