drivers/gpu/drm/amd/display/dc/dml/display_mode_lib.h

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

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/display/dc/dml/display_mode_lib.h
Extension
.h
Size
3657 bytes
Lines
110
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 dml_funcs {
	void (*rq_dlg_get_dlg_reg)(
			struct display_mode_lib *mode_lib,
			display_dlg_regs_st *dlg_regs,
			display_ttu_regs_st *ttu_regs,
			const display_e2e_pipe_params_st *e2e_pipe_param,
			const unsigned int num_pipes,
			const unsigned int pipe_idx,
			const bool cstate_en,
			const bool pstate_en,
			const bool vm_en,
			const bool ignore_viewport_pos,
			const bool immediate_flip_support);
	void (*rq_dlg_get_rq_reg)(
		struct display_mode_lib *mode_lib,
		display_rq_regs_st *rq_regs,
		const display_pipe_params_st *pipe_param);
	// DLG interfaces have different function parameters in DCN32.
	// Create new function pointers to address the changes
	void (*rq_dlg_get_dlg_reg_v2)(
			struct display_mode_lib *mode_lib,
			display_dlg_regs_st *dlg_regs,
			display_ttu_regs_st *ttu_regs,
			display_e2e_pipe_params_st *e2e_pipe_param,
			const unsigned int num_pipes,
			const unsigned int pipe_idx);
	void (*rq_dlg_get_rq_reg_v2)(display_rq_regs_st *rq_regs,
			struct display_mode_lib *mode_lib,
			const display_e2e_pipe_params_st *e2e_pipe_param,
			const unsigned int num_pipes,
			const unsigned int pipe_idx);
	void (*recalculate)(struct display_mode_lib *mode_lib);
	void (*validate)(struct display_mode_lib *mode_lib);
};

struct display_mode_lib {
	struct _vcs_dpi_ip_params_st ip;
	struct _vcs_dpi_soc_bounding_box_st soc;
	enum dml_project project;
	struct vba_vars_st vba;
	struct dal_logger *logger;
	struct dml_funcs funcs;
	struct _vcs_dpi_display_e2e_pipe_params_st dml_pipe_state[6];
	bool validate_max_state;
};

void dml_init_instance(struct display_mode_lib *lib,
		const struct _vcs_dpi_soc_bounding_box_st *soc_bb,
		const struct _vcs_dpi_ip_params_st *ip_params,
		enum dml_project project);

const char *dml_get_status_message(enum dm_validation_status status);

void dml_log_pipe_params(
		struct display_mode_lib *mode_lib,
		display_e2e_pipe_params_st *pipes,
		int pipe_cnt);

void dml_log_mode_support_params(struct display_mode_lib *mode_lib);
#endif

Annotation

Implementation Notes