diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c | 158 |
1 files changed, 88 insertions, 70 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c index daf687428cdb..9feccec2ea5d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c @@ -120,65 +120,14 @@ 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, - * or 0 if not. - */ -int amdgpu_atomfirmware_get_vram_width(struct amdgpu_device *adev) -{ - struct amdgpu_mode_info *mode_info = &adev->mode_info; - 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)) { - 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; - } - } - } - return 0; -} +union vram_module { + struct atom_vram_module_v9 v9; + struct atom_vram_module_v10 v10; +}; -static int convert_atom_mem_type_to_vram_type (struct amdgpu_device *adev, - int atom_mem_type) +static int convert_atom_mem_type_to_vram_type(struct amdgpu_device *adev, + int atom_mem_type) { int vram_type; @@ -219,19 +168,23 @@ static int convert_atom_mem_type_to_vram_type (struct amdgpu_device *adev, return vram_type; } -/* - * Return vram type from either integrated system info table - * or umc info table, if available, or 0 (TYPE_UNKNOWN) if not - */ -int amdgpu_atomfirmware_get_vram_type(struct amdgpu_device *adev) + +static int +amdgpu_atomfirmware_get_vram_info(struct amdgpu_device *adev, + int *vram_width, int *vram_type) { struct amdgpu_mode_info *mode_info = &adev->mode_info; - int index; + int index, i = 0; u16 data_offset, size; union igp_info *igp_info; union vram_info *vram_info; + union vram_module *vram_module; u8 frev, crev; u8 mem_type; + u32 mem_channel_number; + u32 mem_channel_width; + u32 module_id; + if (adev->flags & AMD_IS_APU) index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1, @@ -239,6 +192,7 @@ int amdgpu_atomfirmware_get_vram_type(struct amdgpu_device *adev) else index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1, vram_info); + if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, &size, &frev, &crev, &data_offset)) { @@ -247,31 +201,95 @@ int amdgpu_atomfirmware_get_vram_type(struct amdgpu_device *adev) (mode_info->atom_context->bios + data_offset); switch (crev) { case 11: + mem_channel_number = igp_info->v11.umachannelnumber; + /* channel width is 64 */ + if (vram_width) + *vram_width = mem_channel_number * 64; mem_type = igp_info->v11.memorytype; - return convert_atom_mem_type_to_vram_type(adev, mem_type); + if (vram_type) + *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type); + break; default: - return 0; + return -EINVAL; } } else { vram_info = (union vram_info *) (mode_info->atom_context->bios + data_offset); + module_id = (RREG32(adev->bios_scratch_reg_offset + 4) & 0x00ff0000) >> 16; switch (crev) { case 3: - mem_type = vram_info->v23.vram_module[0].memory_type; - return convert_atom_mem_type_to_vram_type(adev, mem_type); + if (module_id > vram_info->v23.vram_module_num) + module_id = 0; + vram_module = (union vram_module *)vram_info->v23.vram_module; + while (i < module_id) { + vram_module = (union vram_module *) + ((u8 *)vram_module + vram_module->v9.vram_module_size); + i++; + } + mem_type = vram_module->v9.memory_type; + if (vram_type) + *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type); + mem_channel_number = vram_module->v9.channel_num; + mem_channel_width = vram_module->v9.channel_width; + if (vram_width) + *vram_width = mem_channel_number * (1 << mem_channel_width); + break; case 4: - mem_type = vram_info->v24.vram_module[0].memory_type; - return convert_atom_mem_type_to_vram_type(adev, mem_type); + if (module_id > vram_info->v24.vram_module_num) + module_id = 0; + vram_module = (union vram_module *)vram_info->v24.vram_module; + while (i < module_id) { + vram_module = (union vram_module *) + ((u8 *)vram_module + vram_module->v10.vram_module_size); + i++; + } + mem_type = vram_module->v10.memory_type; + if (vram_type) + *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type); + mem_channel_number = vram_module->v10.channel_num; + mem_channel_width = vram_module->v10.channel_width; + if (vram_width) + *vram_width = mem_channel_number * (1 << mem_channel_width); + break; default: - return 0; + return -EINVAL; } } + } return 0; } /* + * Return vram width from integrated system info table, if available, + * or 0 if not. + */ +int amdgpu_atomfirmware_get_vram_width(struct amdgpu_device *adev) +{ + int vram_width = 0, vram_type = 0; + int r = amdgpu_atomfirmware_get_vram_info(adev, &vram_width, &vram_type); + if (r) + return 0; + + return vram_width; +} + +/* + * Return vram type from either integrated system info table + * or umc info table, if available, or 0 (TYPE_UNKNOWN) if not + */ +int amdgpu_atomfirmware_get_vram_type(struct amdgpu_device *adev) +{ + int vram_width = 0, vram_type = 0; + int r = amdgpu_atomfirmware_get_vram_info(adev, &vram_width, &vram_type); + if (r) + return 0; + + return vram_type; +} + +/* * Return true if vbios enabled ecc by default, if umc info table is available * or false if ecc is not enabled or umc info table is not available */ |