{"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\/hr\/blog\/news\/obyavleno-o-gotovnosti-panthor-otkrytogo-drajvera-dlya-10-pokoleniya-gpu-mali","title":{"rendered":"Objavljena je gotovost panthor, otvorenog drajvera za 10. generaciju GPU-a Mali","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Tvrtka Collabora je najavila dostupnost otvorenog drajvera panthor, razvijenog za desetu generaciju GPU Mali (G310, G510, G710), u kojem se koristi tehnologija CSF (Command Stream Frontend), koja prebacuje odre\u0111ene funkcije drajvera na stranu firmware-a kako bi se smanjilo optere\u0107enje CPU-a i pru\u017eila nova organizacijska paradigma izvr\u0161enja na GPU-u. DRM drajver (Direct Rendering Manager) panthor je prihva\u0107en u granu drm-misc i o\u010dekuje se da \u0107e biti uklju\u010den u kernel Linuxa 6.10. Izmjene za podr\u0161ku novom drajveru tako\u0111er su usvojene u Mesi i uklju\u010dene u Gallium drajver panfrost za GPU Mali.       <\/p>\n<p>U novoj generaciji GPU Mali, planira\u010d Job Manager zamijenjen je su\u010deljem CSF (Command Stream Frontend), koje umjesto modela temeljenog na slanju lanaca poslova primjenjuje model temeljen na toku komandi s planiranjem reda toka komandi na strani firmware-a. Za organizaciju rada planira\u010da u GPU-u ugra\u0111en je poseban mikrokontroler Cortex-M7, a za izvr\u0161avanje CSF instrukcija predvi\u0111ena je posebna jedinica za izvr\u0161avanje komandi (Command Execution Unit). Ove karakteristike zahtijevaju bitno druga\u010diju organizaciju prijenosa poslova u GPU iz korisni\u010dkog prostora.     <\/p>\n<p>Prvotno je poku\u0161ana implementacija podr\u0161ke za GPU Mali temeljenog na CSF-u u DRM drajveru Panfrost, no programeri su zaklju\u010dili da bi to dovelo do velikog kompliciranja postoje\u0107eg drajvera i da bi za CSF bilo optimalnije stvoriti novi drajver, izgra\u0111en koriste\u0107i druga\u010diju arhitekturu. U drajveru panthor implementiran je potpuno novi uAPI, nova logika planiranja poslova i nova logika upravljanja MMU\/GPU-VA. Kao osnova za novi drajver kori\u0161ten je postoje\u0107i kod DRM drajvera Panfrost, iz kojeg su preuzeti standardni obrasci inicijalizacije drajvera, upravljanja frekvencijom i upravljanja napajanjem.    <\/p>\n<p>U prvom trenutku razvoj novog drajvera provodio se kori\u0161tenjem in\u017eenjeringa obrnutog reda, ali se potom projektu pridru\u017eila tvrtka ARM, koja je pru\u017eila pristup dokumentaciji i sudjelovala u recenziranju koda. Dva zaposlenika ARM-a dobila su status pomo\u0107nika odr\u017eavatelja (co-maintainer) drajvera za kernel Linux. U budu\u0107nosti, nakon zavr\u0161etka OpenGL drajvera, rad \u0107e se usredoto\u010diti na implementaciju Vulkan drajvera za nove GPU Mali i modernizaciju postoje\u0107e Vulkan podr\u0161ke za starije GPU Mali.      <\/p>\n<p>Istaknuto je da pripremljeni voza\u010d panthor omogu\u0107uje podr\u0161ku GPU-ima na plo\u010dama s SoC Rockchip RK3588. Tvrtka Collabora tako\u0111er je radila na omogu\u0107avanju pokretanja plo\u010da temeljenih na Rockchip RK3588 pomo\u0107u potpuno otvorenog softverskog paketa. Za Rockchip RK3588 pripremljena je sistemska slika temeljena na Debi\u00e1nu i otvoreni bootloader za zamjenu proprietarnih komponenti BL31 (Boot Loader stage 3.1).<br \/>\n<br \/>Izvor: <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 5.0.4 - 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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