drivers/gpu/drm/amd/display/dc/dml2_0/display_mode_core.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/display/dc/dml2_0/display_mode_core.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/display/dc/dml2_0/display_mode_core.h
Extension
.h
Size
10662 bytes
Lines
205
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

#ifndef __DISPLAY_MODE_CORE_H__
#define __DISPLAY_MODE_CORE_H__

#include "display_mode_core_structs.h"

struct display_mode_lib_st;

dml_bool_t dml_core_mode_support(struct display_mode_lib_st *mode_lib);
void dml_core_mode_support_partial(struct display_mode_lib_st *mode_lib);
void dml_core_mode_programming(struct display_mode_lib_st *mode_lib, const struct dml_clk_cfg_st *clk_cfg);

void dml_core_get_row_heights(
						dml_uint_t *dpte_row_height,
						dml_uint_t *meta_row_height,
						const struct display_mode_lib_st *mode_lib,
						dml_bool_t is_plane1,
						enum dml_source_format_class SourcePixelFormat,
						enum dml_swizzle_mode SurfaceTiling,
						enum dml_rotation_angle ScanDirection,
						dml_uint_t pitch,
						dml_uint_t GPUVMMinPageSizeKBytes);

dml_float_t dml_get_return_bw_mbps_vm_only(
									const struct soc_bounding_box_st *soc,
									dml_bool_t use_ideal_dram_bw_strobe,
									dml_bool_t HostVMEnable,
									dml_float_t DCFCLK,
									dml_float_t FabricClock,
									dml_float_t DRAMSpeed);

dml_float_t dml_get_return_bw_mbps(
							const struct soc_bounding_box_st *soc,
							dml_bool_t use_ideal_dram_bw_strobe,
							dml_bool_t HostVMEnable,
							dml_float_t DCFCLK,
							dml_float_t FabricClock,
							dml_float_t DRAMSpeed);

dml_bool_t dml_mode_support(
	struct display_mode_lib_st *mode_lib,
	dml_uint_t state_idx,
	const struct dml_display_cfg_st *display_cfg);

dml_bool_t dml_mode_programming(
	struct display_mode_lib_st *mode_lib,
	dml_uint_t state_idx,
	const struct dml_display_cfg_st *display_cfg,
	bool call_standalone);

dml_uint_t dml_mode_support_ex(
	struct dml_mode_support_ex_params_st *in_out_params);

dml_bool_t dml_get_is_phantom_pipe(struct display_mode_lib_st *mode_lib, dml_uint_t pipe_idx);

#define dml_get_per_surface_var_decl(variable, type) type dml_get_##variable(struct display_mode_lib_st *mode_lib, dml_uint_t surface_idx)
#define dml_get_var_decl(var, type) type dml_get_##var(struct display_mode_lib_st *mode_lib)

dml_get_var_decl(wm_urgent, dml_float_t);
dml_get_var_decl(wm_stutter_exit, dml_float_t);
dml_get_var_decl(wm_stutter_enter_exit, dml_float_t);
dml_get_var_decl(wm_memory_trip, dml_float_t);
dml_get_var_decl(wm_dram_clock_change, dml_float_t);
dml_get_var_decl(wm_z8_stutter_enter_exit, dml_float_t);
dml_get_var_decl(wm_z8_stutter, dml_float_t);
dml_get_var_decl(urgent_latency, dml_float_t);
dml_get_var_decl(clk_dcf_deepsleep, dml_float_t);
dml_get_var_decl(wm_fclk_change, dml_float_t);
dml_get_var_decl(wm_usr_retraining, dml_float_t);
dml_get_var_decl(urgent_latency, dml_float_t);

dml_get_var_decl(wm_writeback_dram_clock_change, dml_float_t);
dml_get_var_decl(wm_writeback_urgent, dml_float_t);
dml_get_var_decl(stutter_efficiency_no_vblank, dml_float_t);
dml_get_var_decl(stutter_efficiency, dml_float_t);
dml_get_var_decl(stutter_efficiency_z8, dml_float_t);
dml_get_var_decl(stutter_num_bursts_z8, dml_float_t);
dml_get_var_decl(stutter_period, dml_float_t);
dml_get_var_decl(stutter_efficiency_z8_bestcase, dml_float_t);
dml_get_var_decl(stutter_num_bursts_z8_bestcase, dml_float_t);
dml_get_var_decl(stutter_period_bestcase, dml_float_t);
dml_get_var_decl(urgent_latency, dml_float_t);
dml_get_var_decl(urgent_extra_latency, dml_float_t);
dml_get_var_decl(fclk_change_latency, dml_float_t);
dml_get_var_decl(nonurgent_latency, dml_float_t);
dml_get_var_decl(dispclk_calculated, dml_float_t);
dml_get_var_decl(total_data_read_bw, dml_float_t);
dml_get_var_decl(return_bw, dml_float_t);
dml_get_var_decl(return_dram_bw, dml_float_t);
dml_get_var_decl(tcalc, dml_float_t);
dml_get_var_decl(fraction_of_urgent_bandwidth, dml_float_t);

Annotation

Implementation Notes