drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_top/dml2_top_interfaces.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_top/dml2_top_interfaces.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/display/dc/dml2_0/dml21/src/dml2_top/dml2_top_interfaces.c
Extension
.c
Size
1335 bytes
Lines
51
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

// SPDX-License-Identifier: MIT
//
// Copyright 2024 Advanced Micro Devices, Inc.

#include "dml_top.h"
#include "dml2_internal_shared_types.h"
#include "dml2_top_soc15.h"

unsigned int dml2_get_instance_size_bytes(void)
{
	return sizeof(struct dml2_instance);
}

bool dml2_initialize_instance(struct dml2_initialize_instance_in_out *in_out)
{
	switch (in_out->options.project_id) {
	case dml2_project_dcn4x_stage1:
	case dml2_project_dcn4x_stage2:
	case dml2_project_dcn4x_stage2_auto_drr_svp:
	case dml2_project_dcn42:
		return dml2_top_soc15_initialize_instance(in_out);
	case dml2_project_invalid:
	default:
		return false;
	}
}

bool dml2_check_mode_supported(struct dml2_check_mode_supported_in_out *in_out)
{
	if (!in_out->dml2_instance->funcs.check_mode_supported)
		return false;

	return in_out->dml2_instance->funcs.check_mode_supported(in_out);
}

bool dml2_build_mode_programming(struct dml2_build_mode_programming_in_out *in_out)
{
	if (!in_out->dml2_instance->funcs.build_mode_programming)
		return false;

	return in_out->dml2_instance->funcs.build_mode_programming(in_out);
}

bool dml2_build_mcache_programming(struct dml2_build_mcache_programming_in_out *in_out)
{
	if (!in_out->dml2_instance->funcs.build_mcache_programming)
		return false;

	return in_out->dml2_instance->funcs.build_mcache_programming(in_out);
}

Annotation

Implementation Notes