drivers/gpu/drm/amd/pm/powerplay/inc/smu8_fusion.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/pm/powerplay/inc/smu8_fusion.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/pm/powerplay/inc/smu8_fusion.h
Extension
.h
Size
4173 bytes
Lines
136
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 SMU8_GfxCuPgScoreboard {
    uint8_t Enabled;
    uint8_t spare[3];
};

struct SMU8_Port80MonitorTable {
	uint32_t MmioAddress;
	uint32_t MemoryBaseHi;
	uint32_t MemoryBaseLo;
	uint16_t MemoryBufferSize;
	uint16_t MemoryPosition;
	uint16_t PollingInterval;
	uint8_t  EnableCsrShadow;
	uint8_t  EnableDramShadow;
};

/*  Display specific power management parameters */
#define PWRMGT_SEPARATION_TIME_SHIFT            0
#define PWRMGT_SEPARATION_TIME_MASK             0xFFFF
#define PWRMGT_DISABLE_CPU_CSTATES_SHIFT        16
#define PWRMGT_DISABLE_CPU_CSTATES_MASK         0x1
#define PWRMGT_DISABLE_CPU_PSTATES_SHIFT        24
#define PWRMGT_DISABLE_CPU_PSTATES_MASK         0x1

/* Clock Table Definitions */
#define NUM_SCLK_LEVELS     8
#define NUM_LCLK_LEVELS     8
#define NUM_UVD_LEVELS      8
#define NUM_ECLK_LEVELS     8
#define NUM_ACLK_LEVELS     8

struct SMU8_Fusion_ClkLevel {
	uint8_t		GnbVid;
	uint8_t		GfxVid;
	uint8_t		DfsDid;
	uint8_t		DeepSleepDid;
	uint32_t	DfsBypass;
	uint32_t	Frequency;
};

struct SMU8_Fusion_SclkBreakdownTable {
	struct SMU8_Fusion_ClkLevel ClkLevel[NUM_SCLK_LEVELS];
	struct SMU8_Fusion_ClkLevel DpmOffLevel;
	/* SMU8_Fusion_ClkLevel PwrOffLevel; */
	uint32_t    SclkValidMask;
	uint32_t    MaxSclkIndex;
};

struct SMU8_Fusion_LclkBreakdownTable {
	struct SMU8_Fusion_ClkLevel ClkLevel[NUM_LCLK_LEVELS];
	struct SMU8_Fusion_ClkLevel DpmOffLevel;
    /* SMU8_Fusion_ClkLevel PwrOffLevel; */
	uint32_t    LclkValidMask;
	uint32_t    MaxLclkIndex;
};

struct SMU8_Fusion_EclkBreakdownTable {
	struct SMU8_Fusion_ClkLevel ClkLevel[NUM_ECLK_LEVELS];
	struct SMU8_Fusion_ClkLevel DpmOffLevel;
	struct SMU8_Fusion_ClkLevel PwrOffLevel;
	uint32_t    EclkValidMask;
	uint32_t    MaxEclkIndex;
};

struct SMU8_Fusion_VclkBreakdownTable {
	struct SMU8_Fusion_ClkLevel ClkLevel[NUM_UVD_LEVELS];
	struct SMU8_Fusion_ClkLevel DpmOffLevel;
	struct SMU8_Fusion_ClkLevel PwrOffLevel;
	uint32_t    VclkValidMask;
	uint32_t    MaxVclkIndex;
};

struct SMU8_Fusion_DclkBreakdownTable {
	struct SMU8_Fusion_ClkLevel ClkLevel[NUM_UVD_LEVELS];
	struct SMU8_Fusion_ClkLevel DpmOffLevel;
	struct SMU8_Fusion_ClkLevel PwrOffLevel;
	uint32_t    DclkValidMask;
	uint32_t    MaxDclkIndex;
};

struct SMU8_Fusion_AclkBreakdownTable {
	struct SMU8_Fusion_ClkLevel ClkLevel[NUM_ACLK_LEVELS];
	struct SMU8_Fusion_ClkLevel DpmOffLevel;
	struct SMU8_Fusion_ClkLevel PwrOffLevel;
	uint32_t    AclkValidMask;
	uint32_t    MaxAclkIndex;
};


struct SMU8_Fusion_ClkTable {

Annotation

Implementation Notes