{"id":114118,"date":"2024-03-05T12:25:48","date_gmt":"2024-03-05T10:25:48","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obyavleno-o-gotovnosti-panthor-otkrytogo-drajvera-dlya-10-pokoleniya-gpu-mali"},"modified":"2024-03-05T12:25:48","modified_gmt":"2024-03-05T10:25:48","slug":"obyavleno-o-gotovnosti-panthor-otkrytogo-drajvera-dlya-10-pokoleniya-gpu-mali","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/obyavleno-o-gotovnosti-panthor-otkrytogo-drajvera-dlya-10-pokoleniya-gpu-mali","title":{"rendered":"Og\u0142oszono gotowo\u015b\u0107 panthor, otwartego sterownika dla 10. generacji GPU Mali","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Firma Collabora og\u0142osi\u0142a gotowo\u015b\u0107 otwartego sterownika panthor, rozwijanego dla dziesi\u0105tej generacji GPU Mali (G310, G510, G710), w kt\u00f3rym zastosowano technologi\u0119 CSF (Command Stream Frontend), przenosz\u0105c\u0105 na stron\u0119 oprogramowania uk\u0142adowego niekt\u00f3re funkcje sterownika w celu zmniejszenia obci\u0105\u017cenia CPU oraz oferuj\u0105c\u0105 nowy model organizacji wykonywania zada\u0144 na GPU. Sterownik DRM (Direct Rendering Manager) panthor zosta\u0142 przyj\u0119ty do ga\u0142\u0119zi drm-misc i przypuszczalnie wejdzie w sk\u0142ad j\u0105dra Linux 6.10. Zmiany w celu wsparcia nowego sterownika r\u00f3wnie\u017c zosta\u0142y przyj\u0119te w Mesa i uwzgl\u0119dnione w sterowniku Gallium panfrost dla GPU Mali.       <\/p>\n<p>W nowej generacji GPU Mali, planista Job Manager zosta\u0142 zast\u0105piony interfejsem CSF (Command Stream Frontend), w kt\u00f3rym zamiast modelu opartego na przesy\u0142aniu \u0142a\u0144cucha zada\u0144 zastosowano model oparty na strumieniu polece\u0144 z planowaniem kolejki strumienia polece\u0144 po stronie oprogramowania uk\u0142adowego. Do organizacji pracy planisty w GPU wbudowano oddzielny mikrokontroler Cortex-M7, a do wykonywania instrukcji CSF przewidziano specjalny blok wykonawczy polece\u0144 (Command Execution Unit). Takie cechy wymagaj\u0105 zasadniczo innej organizacji transmisji zada\u0144 do GPU z przestrzeni u\u017cytkownika.     <\/p>\n<p>Pocz\u0105tkowo podj\u0119to pr\u00f3b\u0119 wdro\u017cenia wsparcia GPU Mali opartego na CSF w sterowniku DRM Panfrost, ale deweloperzy doszli do wniosku, \u017ce prowadzi to do znacznego skomplikowania istniej\u0105cego sterownika i dla CSF bardziej optymalne jest stworzenie nowego sterownika, opartego na innej architekturze. W sterowniku panthor wprowadzono zupe\u0142nie nowe uAPI, now\u0105 logik\u0119 planowania zada\u0144 oraz now\u0105 logik\u0119 zarz\u0105dzania MMU\/GPU-VA. Jako podstaw\u0119 dla nowego sterownika wykorzystano istniej\u0105cy kod sterownika DRM Panfrost, z kt\u00f3rego zaadaptowano typowe wzorce inicjalizacji sterownika, zarz\u0105dzania cz\u0119stotliwo\u015bci\u0105 oraz zarz\u0105dzania zasilaniem.    <\/p>\n<p>Na pocz\u0105tku rozw\u00f3j nowego sterownika prowadzono z wykorzystaniem in\u017cynierii odwrotnej, ale p\u00f3\u017aniej do projektu do\u0142\u0105czy\u0142a firma ARM, zapewniaj\u0105c dost\u0119p do dokumentacji oraz uczestnicz\u0105c w przegl\u0105dzie kodu. Dwaj pracownicy ARM uzyskali status wsp\u00f3\u0142przewodnicz\u0105cego (co-maintainer) sterownika dla j\u0105dra Linux. W dalszej kolejno\u015bci, po uko\u0144czeniu sterownika OpenGL, prace zostan\u0105 skoncentrowane na realizacji sterownika Vulkan dla nowych GPU Mali oraz modernizacji istniej\u0105cego sterownika Vulkan dla starych GPU Mali.      <\/p>\n<p>Zg\u0142oszono, \u017ce opracowany sterownik panthor umo\u017cliwia wsparcie dla GPU na p\u0142ytach z SoC Rockchip RK3588. Firma Collabora tak\u017ce wykona\u0142a prace nad zapewnieniem uruchamiania p\u0142yt opartych na Rockchip RK3588 z wykorzystaniem w pe\u0142ni otwartego stosu oprogramowania. Dla Rockchip RK3588 przygotowano obraz systemu oparty na Debiana oraz otwarty bootloader do zast\u0105pienia zastrze\u017conych komponent\u00f3w BL31 (Boot Loader stage 3.1).<br \/>\n<br \/>\u0179r\u00f3d\u0142o: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60728\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Collabora \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e \u0433\u043e\u0442\u043e\u0432\u043d\u043e\u0441\u0442\u0438 \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0433\u043e \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 panthor, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u0433\u043e \u0434\u043b\u044f \u0434\u0435\u0441\u044f\u0442\u043e\u0433\u043e \u043f\u043e\u043a\u043e\u043b\u0435\u043d\u0438\u044f GPU Mali (G310, G510, G710), \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044f CSF (\u0421ommand Stream Frontend), \u0432\u044b\u043d\u043e\u0441\u044f\u0449\u0430\u044f \u043d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u0443 \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0438 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 \u0434\u043b\u044f \u0441\u043d\u0438\u0436\u0435\u043d\u0438\u044f \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u043d\u0430 CPU \u0438 \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u044e\u0449\u0430\u044f \u043d\u043e\u0432\u0443\u044e \u043c\u043e\u0434\u0435\u043b\u044c \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0440\u0430\u0431\u043e\u0442 \u043d\u0430 GPU. DRM-\u0434\u0440\u0430\u0439\u0432\u0435\u0440 (Direct Rendering Manager) panthor \u043f\u0440\u0438\u043d\u044f\u0442 \u0432 \u0432\u0435\u0442\u043a\u0443 drm-misc [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-114118","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Collabora \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e \u0433\u043e\u0442\u043e\u0432\u043d\u043e\u0441\u0442\u0438 \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0433\u043e \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 panthor, 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