Commit 89d7a79c authored by Hawking Zhang's avatar Hawking Zhang Committed by Alex Deucher
Browse files

drm/amdgpu: query vram type from atomfirmware vram_info 



vram_type is saved in member vram_module[0].memory_type

Signed-off-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: default avatarJack Xiao <Jack.Xiao@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 98cd7f5b

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

+7 −0
Original line number Diff line number Diff line
@@ -118,6 +118,7 @@ union umc_info { 


union vram_info {

	struct atom_vram_info_header_v2_3 v23;

	struct atom_vram_info_header_v2_4 v24;

};

/*

 * Return vram width from integrated system info table, if available,
@@ -179,6 +180,9 @@ static int convert_atom_mem_type_to_vram_type (struct amdgpu_device *adev, 
		case ATOM_DGPU_VRAM_TYPE_HBM2:

			vram_type = AMDGPU_VRAM_TYPE_HBM;

			break;

		case ATOM_DGPU_VRAM_TYPE_GDDR6:

			vram_type = AMDGPU_VRAM_TYPE_GDDR6;

			break;

		default:

			vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;

			break;
@@ -227,6 +231,9 @@ int amdgpu_atomfirmware_get_vram_type(struct amdgpu_device *adev) 
			case 3:

				mem_type = vram_info->v23.vram_module[0].memory_type;

				return convert_atom_mem_type_to_vram_type(adev, mem_type);

			case 4:

				mem_type = vram_info->v24.vram_module[0].memory_type;

				return convert_atom_mem_type_to_vram_type(adev, mem_type);

			default:

				return 0;

			}