drivers/gpu/drm/amd/amdgpu/gfxhub_v1_1.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_1.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/amdgpu/gfxhub_v1_1.c
Extension
.c
Size
3663 bytes
Lines
112
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

if (adev->asic_type == CHIP_ALDEBARAN) {
			adev->gmc.xgmi.physical_node_id =
				REG_GET_FIELD(xgmi_lfb_cntl, MC_VM_XGMI_LFB_CNTL_ALDE,
						PF_LFB_REGION);
		} else {
			adev->gmc.xgmi.physical_node_id =
				REG_GET_FIELD(xgmi_lfb_cntl, MC_VM_XGMI_LFB_CNTL,
						PF_LFB_REGION);
		}

		if (adev->gmc.xgmi.physical_node_id > max_physical_node_id)
			return -EINVAL;

		adev->gmc.xgmi.node_segment_size = seg_size;
	}

	return 0;
}

Annotation

Implementation Notes