drivers/gpu/drm/amd/display/dc/hubp/dcn20/dcn20_hubp.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/display/dc/hubp/dcn20/dcn20_hubp.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/display/dc/hubp/dcn20/dcn20_hubp.h
Extension
.h
Size
15005 bytes
Lines
427
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 dcn_hubp2_registers {
	DCN401_HUBP_REG_COMMON_VARIABLE_LIST;
};

struct dcn_hubp2_shift {
	DCN401_HUBP_REG_FIELD_VARIABLE_LIST(uint8_t);
	DCN42_HUBP_REG_FIELD_VARIABLE_LIST(uint8_t);
};

struct dcn_hubp2_mask {
	DCN401_HUBP_REG_FIELD_VARIABLE_LIST(uint32_t);
	DCN42_HUBP_REG_FIELD_VARIABLE_LIST(uint32_t);
};

struct dcn20_hubp {
	struct hubp base;
	struct dcn_hubp_state state;
	const struct dcn_hubp2_registers *hubp_regs;
	const struct dcn_hubp2_shift *hubp_shift;
	const struct dcn_hubp2_mask *hubp_mask;
};

bool hubp2_construct(
		struct dcn20_hubp *hubp2,
		struct dc_context *ctx,
		uint32_t inst,
		const struct dcn_hubp2_registers *hubp_regs,
		const struct dcn_hubp2_shift *hubp_shift,
		const struct dcn_hubp2_mask *hubp_mask);

void hubp2_setup_interdependent(
		struct hubp *hubp,
		struct _vcs_dpi_display_dlg_regs_st *dlg_attr,
		struct _vcs_dpi_display_ttu_regs_st *ttu_attr);

void hubp2_vready_at_or_After_vsync(struct hubp *hubp,
		struct _vcs_dpi_display_pipe_dest_params_st *pipe_dest);

void hubp2_cursor_set_attributes(
		struct hubp *hubp,
		const struct dc_cursor_attributes *attr);

void hubp2_set_vm_system_aperture_settings(struct hubp *hubp,
		struct vm_system_aperture_param *apt);

enum cursor_lines_per_chunk hubp2_get_lines_per_chunk(
		unsigned int cursor_width,
		enum dc_cursor_color_format cursor_mode);

void hubp2_dmdata_set_attributes(
		struct hubp *hubp,
		const struct dc_dmdata_attributes *attr);

void hubp2_dmdata_load(
		struct hubp *hubp,
		uint32_t dmdata_sw_size,
		const uint32_t *dmdata_sw_data);

bool hubp2_dmdata_status_done(struct hubp *hubp);

void hubp2_enable_triplebuffer(
		struct hubp *hubp,
		bool enable);

bool hubp2_is_triplebuffer_enabled(
		struct hubp *hubp);

void hubp2_set_flip_control_surface_gsl(struct hubp *hubp, bool enable);

void hubp2_program_deadline(
		struct hubp *hubp,
		struct _vcs_dpi_display_dlg_regs_st *dlg_attr,
		struct _vcs_dpi_display_ttu_regs_st *ttu_attr);

bool hubp2_program_surface_flip_and_addr(
	struct hubp *hubp,
	const struct dc_plane_address *address,
	bool flip_immediate);

void hubp2_dcc_control(struct hubp *hubp, bool enable,
		enum hubp_ind_block_size independent_64b_blks);

void hubp2_program_size(
	struct hubp *hubp,
	enum surface_pixel_format format,
	const struct plane_size *plane_size,
	struct dc_plane_dcc_param *dcc);

void hubp2_program_rotation(
	struct hubp *hubp,

Annotation

Implementation Notes