drivers/gpu/drm/amd/include/dm_pp_interface.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/include/dm_pp_interface.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/include/dm_pp_interface.h
Extension
.h
Size
5291 bytes
Lines
176
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 single_display_configuration {
	uint32_t controller_index;
	uint32_t controller_id;
	uint32_t signal_type;
	uint32_t display_state;
	/* phy id for the primary internal transmitter */
	uint8_t primary_transmitter_phyi_d;
	/* bitmap with the active lanes */
	uint8_t primary_transmitter_active_lanemap;
	/* phy id for the secondary internal transmitter (for dual-link dvi) */
	uint8_t secondary_transmitter_phy_id;
	/* bitmap with the active lanes */
	uint8_t secondary_transmitter_active_lanemap;
	/* misc phy settings for SMU. */
	uint32_t config_flags;
	uint32_t display_type;
	uint32_t view_resolution_cx;
	uint32_t view_resolution_cy;
	enum amd_pp_display_config_type displayconfigtype;
	uint32_t vertical_refresh; /* for active display */
	uint32_t pixel_clock; /* Pixel clock in KHz (for HDMI only: normalized) */
};

#define MAX_NUM_DISPLAY 32

struct amd_pp_display_configuration {
	bool nb_pstate_switch_disable;/* controls NB PState switch */
	bool cpu_cc6_disable; /* controls CPU CState switch ( on or off) */
	bool cpu_pstate_disable;
	uint32_t cpu_pstate_separation_time;

	uint32_t num_display;  /* total number of display*/
	uint32_t num_path_including_non_display;
	uint32_t crossfire_display_index;
	uint32_t min_mem_set_clock;
	uint32_t min_core_set_clock;
	/* unit 10KHz x bit*/
	uint32_t min_bus_bandwidth;
	/* minimum required stutter sclk, in 10khz uint32_t ulMinCoreSetClk;*/
	uint32_t min_core_set_clock_in_sr;

	struct single_display_configuration displays[MAX_NUM_DISPLAY];

	uint32_t vrefresh; /* for active display*/

	uint32_t min_vblank_time; /* for active display*/
	bool multi_monitor_in_sync;
	/* Controller Index of primary display - used in MCLK SMC switching hang
	 * SW Workaround*/
	uint32_t crtc_index;
	/* htotal*1000/pixelclk - used in MCLK SMC switching hang SW Workaround*/
	uint32_t line_time_in_us;
	bool invalid_vblank_time;

	uint32_t display_clk;
	/*
	 * for given display configuration if multimonitormnsync == false then
	 * Memory clock DPMS with this latency or below is allowed, DPMS with
	 * higher latency not allowed.
	 */
	uint32_t dce_tolerable_mclk_in_active_latency;
	uint32_t min_dcef_set_clk;
	uint32_t min_dcef_deep_sleep_set_clk;
};

struct amd_pp_simple_clock_info {
	uint32_t	engine_max_clock;
	uint32_t	memory_max_clock;
};

struct amd_pp_clock_info {
	uint32_t min_engine_clock;
	uint32_t max_engine_clock;
	uint32_t min_memory_clock;
	uint32_t max_memory_clock;
	uint32_t min_bus_bandwidth;
	uint32_t max_bus_bandwidth;
	uint32_t max_engine_clock_in_sr;
	uint32_t min_engine_clock_in_sr;
};

enum amd_pp_clock_type {
	amd_pp_disp_clock = 1,
	amd_pp_sys_clock,
	amd_pp_mem_clock,
	amd_pp_dcef_clock,
	amd_pp_soc_clock,
	amd_pp_pixel_clock,
	amd_pp_phy_clock,
	amd_pp_dcf_clock,

Annotation

Implementation Notes