€•a3Œsphinx.addnodes”Œdocument”“”)”}”(Œ rawsource”Œ”Œchildren”]”(Œ translations”Œ LanguagesNode”“”)”}”(hhh]”(hŒ pending_xref”“”)”}”(hhh]”Œdocutils.nodes”ŒText”“”ŒChinese (Simplified)”…””}”Œparent”hsbaŒ attributes”}”(Œids”]”Œclasses”]”Œnames”]”Œdupnames”]”Œbackrefs”]”Œ refdomain”Œstd”Œreftype”Œdoc”Œ reftarget”Œ/translations/zh_CN/fb/efifb”Œmodname”NŒ classname”NŒ refexplicit”ˆuŒtagname”hhh ubh)”}”(hhh]”hŒChinese (Traditional)”…””}”hh2sbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ/translations/zh_TW/fb/efifb”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒItalian”…””}”hhFsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ/translations/it_IT/fb/efifb”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒJapanese”…””}”hhZsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ/translations/ja_JP/fb/efifb”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒKorean”…””}”hhnsbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ/translations/ko_KR/fb/efifb”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubh)”}”(hhh]”hŒSpanish”…””}”hh‚sbah}”(h]”h ]”h"]”h$]”h&]”Œ refdomain”h)Œreftype”h+Œ reftarget”Œ/translations/sp_SP/fb/efifb”Œmodname”NŒ classname”NŒ refexplicit”ˆuh1hhh ubeh}”(h]”h ]”h"]”h$]”h&]”Œcurrent_language”ŒEnglish”uh1h hhŒ _document”hŒsource”NŒline”NubhŒsection”“”)”}”(hhh]”(hŒtitle”“”)”}”(hŒWhat is efifb?”h]”hŒWhat is efifb?”…””}”(hh¨hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¦hh£hžhhŸŒ6/var/lib/git/docbuild/linux/Documentation/fb/efifb.rst”h KubhŒ paragraph”“”)”}”(hXThis is a generic EFI platform driver for systems with UEFI firmware. The system must be booted via the EFI stub for this to be usable. efifb supports both firmware with Graphics Output Protocol (GOP) displays as well as older systems with only Universal Graphics Adapter (UGA) displays.”h]”hXThis is a generic EFI platform driver for systems with UEFI firmware. The system must be booted via the EFI stub for this to be usable. efifb supports both firmware with Graphics Output Protocol (GOP) displays as well as older systems with only Universal Graphics Adapter (UGA) displays.”…””}”(hh¹hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khh£hžhubh¢)”}”(hhh]”(h§)”}”(hŒSupported Hardware”h]”hŒSupported Hardware”…””}”(hhÊhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¦hhÇhžhhŸh¶h K ubhŒ bullet_list”“”)”}”(hhh]”(hŒ list_item”“”)”}”(hŒ iMac 17"/20"”h]”h¸)”}”(hháh]”hŒiMac 17â€/20—…””}”(hhãhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K hhßubah}”(h]”h ]”h"]”h$]”h&]”uh1hÝhhÚhžhhŸh¶h NubhÞ)”}”(hŒMacbook”h]”h¸)”}”(hhøh]”hŒMacbook”…””}”(hhúhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khhöubah}”(h]”h ]”h"]”h$]”h&]”uh1hÝhhÚhžhhŸh¶h NubhÞ)”}”(hŒMacbook Pro 15"/17"”h]”h¸)”}”(hjh]”hŒMacbook Pro 15â€/17—…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khj ubah}”(h]”h ]”h"]”h$]”h&]”uh1hÝhhÚhžhhŸh¶h NubhÞ)”}”(hŒMacMini”h]”h¸)”}”(hj&h]”hŒMacMini”…””}”(hj(hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khj$ubah}”(h]”h ]”h"]”h$]”h&]”uh1hÝhhÚhžhhŸh¶h NubhÞ)”}”(hŒ)ARM/ARM64/X86 systems with UEFI firmware ”h]”h¸)”}”(hŒ(ARM/ARM64/X86 systems with UEFI firmware”h]”hŒ(ARM/ARM64/X86 systems with UEFI firmware”…””}”(hj?hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khj;ubah}”(h]”h ]”h"]”h$]”h&]”uh1hÝhhÚhžhhŸh¶h Nubeh}”(h]”h ]”h"]”h$]”h&]”Œbullet”Œ-”uh1hØhŸh¶h K hhÇhžhubeh}”(h]”Œsupported-hardware”ah ]”h"]”Œsupported hardware”ah$]”h&]”uh1h¡hh£hžhhŸh¶h K ubh¢)”}”(hhh]”(h§)”}”(hŒHow to use it?”h]”hŒHow to use it?”…””}”(hjfhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¦hjchžhhŸh¶h Kubh¸)”}”(hŒPFor UGA displays, efifb does not have any kind of autodetection of your machine.”h]”hŒPFor UGA displays, efifb does not have any kind of autodetection of your machine.”…””}”(hjthžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khjchžhubh¸)”}”(hŒDYou have to add the following kernel parameters in your elilo.conf::”h]”hŒCYou have to add the following kernel parameters in your elilo.conf:”…””}”(hj‚hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h KhjchžhubhŒ literal_block”“”)”}”(hŒ°Macbook : video=efifb:macbook MacMini : video=efifb:mini Macbook Pro 15", iMac 17" : video=efifb:i17 Macbook Pro 17", iMac 20" : video=efifb:i20”h]”hŒ°Macbook : video=efifb:macbook MacMini : video=efifb:mini Macbook Pro 15", iMac 17" : video=efifb:i17 Macbook Pro 17", iMac 20" : video=efifb:i20”…””}”hj’sbah}”(h]”h ]”h"]”h$]”h&]”Œ xml:space”Œpreserve”uh1jhŸh¶h Khjchžhubh¸)”}”(hŒœFor GOP displays, efifb can autodetect the display's resolution and framebuffer address, so these should work out of the box without any special parameters.”h]”hŒžFor GOP displays, efifb can autodetect the display’s resolution and framebuffer address, so these should work out of the box without any special parameters.”…””}”(hj¢hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K$hjchžhubh¸)”}”(hŒAccepted options:”h]”hŒAccepted options:”…””}”(hj°hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K'hjchžhubhŒtable”“”)”}”(hhh]”hŒtgroup”“”)”}”(hhh]”(hŒcolspec”“”)”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œcolwidth”Kuh1jÈhjÅubjÉ)”}”(hhh]”h}”(h]”h ]”h"]”h$]”h&]”Œcolwidth”K;uh1jÈhjÅubhŒtbody”“”)”}”(hhh]”hŒrow”“”)”}”(hhh]”(hŒentry”“”)”}”(hhh]”h¸)”}”(hŒnowc”h]”hŒnowc”…””}”(hjíhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K*hjêubah}”(h]”h ]”h"]”h$]”h&]”uh1jèhjåubjé)”}”(hhh]”h¸)”}”(hŒ¦Don't map the framebuffer write combined. This can be used to workaround side-effects and slowdowns on other CPU cores when large amounts of console data are written.”h]”hŒ¨Don’t map the framebuffer write combined. This can be used to workaround side-effects and slowdowns on other CPU cores when large amounts of console data are written.”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K*hjubah}”(h]”h ]”h"]”h$]”h&]”uh1jèhjåubeh}”(h]”h ]”h"]”h$]”h&]”uh1jãhjàubah}”(h]”h ]”h"]”h$]”h&]”uh1jÞhjÅubeh}”(h]”h ]”h"]”h$]”h&]”Œcols”Kuh1jÃhjÀubah}”(h]”h ]”h"]”h$]”h&]”uh1j¾hjchžhhŸh¶h Nubh¸)”}”(hŒOptions for GOP displays:”h]”hŒOptions for GOP displays:”…””}”(hj1hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K/hjchžhubhŒdefinition_list”“”)”}”(hhh]”(hŒdefinition_list_item”“”)”}”(hŒSmode=n The EFI stub will set the mode of the display to mode number n if possible. ”h]”(hŒterm”“”)”}”(hŒmode=n”h]”hŒmode=n”…””}”(hjLhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jJhŸh¶h K3hjFubhŒ definition”“”)”}”(hhh]”h¸)”}”(hŒKThe EFI stub will set the mode of the display to mode number n if possible.”h]”hŒKThe EFI stub will set the mode of the display to mode number n if possible.”…””}”(hj_hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K2hj\ubah}”(h]”h ]”h"]”h$]”h&]”uh1jZhjFubeh}”(h]”h ]”h"]”h$]”h&]”uh1jDhŸh¶h K3hjAubjE)”}”(hXdx[-(rgb|bgr|)] The EFI stub will search for a display mode that matches the specified horizontal and vertical resolution, and optionally bit depth, and set the mode of the display to it if one is found. The bit depth can either "rgb" or "bgr" to match specifically those pixel formats, or a number for a mode with matching bits per pixel. ”h]”(jK)”}”(hŒx[-(rgb|bgr|)]”h]”hŒx[-(rgb|bgr|)]”…””}”(hj}hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jJhŸh¶h K:hjyubj[)”}”(hhh]”h¸)”}”(hXCThe EFI stub will search for a display mode that matches the specified horizontal and vertical resolution, and optionally bit depth, and set the mode of the display to it if one is found. The bit depth can either "rgb" or "bgr" to match specifically those pixel formats, or a number for a mode with matching bits per pixel.”h]”hXKThe EFI stub will search for a display mode that matches the specified horizontal and vertical resolution, and optionally bit depth, and set the mode of the display to it if one is found. The bit depth can either “rgb†or “bgr†to match specifically those pixel formats, or a number for a mode with matching bits per pixel.”…””}”(hjŽhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K6hj‹ubah}”(h]”h ]”h"]”h$]”h&]”uh1jZhjyubeh}”(h]”h ]”h"]”h$]”h&]”uh1jDhŸh¶h K:hjAhžhubjE)”}”(hŒÞauto The EFI stub will choose the mode with the highest resolution (product of horizontal and vertical resolution). If there are multiple modes with the highest resolution, it will choose one with the highest color depth. ”h]”(jK)”}”(hŒauto”h]”hŒauto”…””}”(hj¬hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jJhŸh¶h K@hj¨ubj[)”}”(hhh]”h¸)”}”(hŒØThe EFI stub will choose the mode with the highest resolution (product of horizontal and vertical resolution). If there are multiple modes with the highest resolution, it will choose one with the highest color depth.”h]”hŒØThe EFI stub will choose the mode with the highest resolution (product of horizontal and vertical resolution). If there are multiple modes with the highest resolution, it will choose one with the highest color depth.”…””}”(hj½hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h K=hjºubah}”(h]”h ]”h"]”h$]”h&]”uh1jZhj¨ubeh}”(h]”h ]”h"]”h$]”h&]”uh1jDhŸh¶h K@hjAhžhubjE)”}”(hŒŸlist The EFI stub will list out all the display modes that are available. A specific mode can then be chosen using one of the above options for the next boot. ”h]”(jK)”}”(hŒlist”h]”hŒlist”…””}”(hjÛhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1jJhŸh¶h KEhj×ubj[)”}”(hhh]”h¸)”}”(hŒ™The EFI stub will list out all the display modes that are available. A specific mode can then be chosen using one of the above options for the next boot.”h]”hŒ™The EFI stub will list out all the display modes that are available. A specific mode can then be chosen using one of the above options for the next boot.”…””}”(hjìhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h KChjéubah}”(h]”h ]”h"]”h$]”h&]”uh1jZhj×ubeh}”(h]”h ]”h"]”h$]”h&]”uh1jDhŸh¶h KEhjAhžhubeh}”(h]”h ]”h"]”h$]”h&]”uh1j?hjchžhhŸh¶h Nubh¸)”}”(hŒ"Edgar Hucek ”h]”(hŒ Edgar Hucek <”…””}”(hj hžhhŸNh NubhŒ reference”“”)”}”(hŒgimli@dark-green.com”h]”hŒgimli@dark-green.com”…””}”(hjhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”Œmailto:gimli@dark-green.com”uh1jhj ubhŒ>”…””}”(hj hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h KGhjchžhubeh}”(h]”Œ how-to-use-it”ah ]”h"]”Œhow to use it?”ah$]”h&]”uh1h¡hh£hžhhŸh¶h Kubeh}”(h]”Œ what-is-efifb”ah ]”h"]”Œwhat is efifb?”ah$]”h&]”uh1h¡hhhžhhŸh¶h Kubeh}”(h]”h ]”h"]”h$]”h&]”Œsource”h¶uh1hŒcurrent_source”NŒ current_line”NŒsettings”Œdocutils.frontend”ŒValues”“”)”}”(h¦NŒ generator”NŒ datestamp”NŒ source_link”NŒ source_url”NŒ toc_backlinks”jèŒfootnote_backlinks”KŒ sectnum_xform”KŒstrip_comments”NŒstrip_elements_with_classes”NŒ strip_classes”NŒ report_level”KŒ halt_level”KŒexit_status_level”KŒdebug”NŒwarning_stream”NŒ traceback”ˆŒinput_encoding”Œ utf-8-sig”Œinput_encoding_error_handler”Œstrict”Œoutput_encoding”Œutf-8”Œoutput_encoding_error_handler”jbŒerror_encoding”Œutf-8”Œerror_encoding_error_handler”Œbackslashreplace”Œ language_code”Œen”Œrecord_dependencies”NŒconfig”NŒ id_prefix”hŒauto_id_prefix”Œid”Œ dump_settings”NŒdump_internals”NŒdump_transforms”NŒdump_pseudo_xml”NŒexpose_internals”NŒstrict_visitor”NŒ_disable_config”NŒ_source”h¶Œ _destination”NŒ _config_files”]”Œ7/var/lib/git/docbuild/linux/Documentation/docutils.conf”aŒfile_insertion_enabled”ˆŒ raw_enabled”KŒline_length_limit”M'Œpep_references”NŒ pep_base_url”Œhttps://peps.python.org/”Œpep_file_url_template”Œpep-%04d”Œrfc_references”NŒ rfc_base_url”Œ&https://datatracker.ietf.org/doc/html/”Œ tab_width”KŒtrim_footnote_reference_space”‰Œsyntax_highlight”Œlong”Œ smart_quotes”ˆŒsmartquotes_locales”]”Œcharacter_level_inline_markup”‰Œdoctitle_xform”‰Œ docinfo_xform”KŒsectsubtitle_xform”‰Œ image_loading”Œlink”Œembed_stylesheet”‰Œcloak_email_addresses”ˆŒsection_self_link”‰Œenv”NubŒreporter”NŒindirect_targets”]”Œsubstitution_defs”}”Œsubstitution_names”}”Œrefnames”}”Œrefids”}”Œnameids”}”(j=j:j`j]j5j2uŒ nametypes”}”(j=‰j`‰j5‰uh}”(j:h£j]hÇj2jcuŒ footnote_refs”}”Œ citation_refs”}”Œ autofootnotes”]”Œautofootnote_refs”]”Œsymbol_footnotes”]”Œsymbol_footnote_refs”]”Œ footnotes”]”Œ citations”]”Œautofootnote_start”KŒsymbol_footnote_start”KŒ id_counter”Œ collections”ŒCounter”“”}”…”R”Œparse_messages”]”Œtransform_messages”]”Œ transformer”NŒ include_log”]”Œ decoration”Nhžhub.