diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c | 53 |
1 files changed, 44 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c index a2dbdf13c4c7..daf687428cdb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c @@ -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, @@ -126,22 +127,50 @@ union vram_info { int amdgpu_atomfirmware_get_vram_width(struct amdgpu_device *adev) { struct amdgpu_mode_info *mode_info = &adev->mode_info; - int index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1, - integratedsysteminfo); + int index; u16 data_offset, size; union igp_info *igp_info; + union vram_info *vram_info; + u32 mem_channel_number; + u32 mem_channel_width; u8 frev, crev; + if (adev->flags & AMD_IS_APU) + index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1, + integratedsysteminfo); + else + index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1, + vram_info); + /* get any igp specific overrides */ if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, &size, &frev, &crev, &data_offset)) { - igp_info = (union igp_info *) - (mode_info->atom_context->bios + data_offset); - switch (crev) { - case 11: - return igp_info->v11.umachannelnumber * 64; - default: - return 0; + if (adev->flags & AMD_IS_APU) { + igp_info = (union igp_info *) + (mode_info->atom_context->bios + data_offset); + switch (crev) { + case 11: + mem_channel_number = igp_info->v11.umachannelnumber; + /* channel width is 64 */ + return mem_channel_number * 64; + default: + return 0; + } + } else { + vram_info = (union vram_info *) + (mode_info->atom_context->bios + data_offset); + switch (crev) { + case 3: + mem_channel_number = vram_info->v23.vram_module[0].channel_num; + mem_channel_width = vram_info->v23.vram_module[0].channel_width; + return mem_channel_number * (1 << mem_channel_width); + case 4: + mem_channel_number = vram_info->v24.vram_module[0].channel_num; + mem_channel_width = vram_info->v24.vram_module[0].channel_width; + return mem_channel_number * (1 << mem_channel_width); + default: + return 0; + } } } @@ -179,6 +208,9 @@ 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 +259,9 @@ 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; } |