Commit 8b41903a authored by Hawking Zhang's avatar Hawking Zhang Committed by Alex Deucher
Browse files

drm/amdgpu: support query vram info for sienna_cichlid 



support query vram_module v11 and vram_info v2_5
for sienna_cichlid

Signed-off-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: default avatarLikun Gao <Likun.Gao@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 9d370816

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

+22 −0
Original line number Diff line number Diff line
@@ -120,11 +120,13 @@ union umc_info { 
union vram_info {

	struct atom_vram_info_header_v2_3 v23;

	struct atom_vram_info_header_v2_4 v24;

	struct atom_vram_info_header_v2_5 v25;

};



union vram_module {

	struct atom_vram_module_v9 v9;

	struct atom_vram_module_v10 v10;

	struct atom_vram_module_v11 v11;

};



static int convert_atom_mem_type_to_vram_type(struct amdgpu_device *adev,
@@ -260,6 +262,26 @@ amdgpu_atomfirmware_get_vram_info(struct amdgpu_device *adev, 
				if (vram_vendor)

					*vram_vendor = mem_vendor;

				break;

			case 5:

				if (module_id > vram_info->v25.vram_module_num)

					module_id = 0;

				vram_module = (union vram_module *)vram_info->v25.vram_module;

				while (i < module_id) {

					vram_module = (union vram_module *)

						((u8 *)vram_module + vram_module->v11.vram_module_size);

					i++;

				}

				mem_type = vram_module->v11.memory_type;

				if (vram_type)

					*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);

				mem_channel_number = vram_module->v11.channel_num;

				mem_channel_width = vram_module->v11.channel_width;

				if (vram_width)

					*vram_width = mem_channel_number * (1 << mem_channel_width);

				mem_vendor = (vram_module->v11.vender_rev_id) & 0xF;

				if (vram_vendor)

					*vram_vendor = mem_vendor;

				break;

			default:

				return -EINVAL;

			}