{"id":94585,"date":"2020-09-19T01:42:26","date_gmt":"2020-09-18T23:42:26","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/arm-nachinaet-podderzhivat-svobodnyj-drajver-panfrost"},"modified":"2020-09-19T01:42:26","modified_gmt":"2020-09-18T23:42:26","slug":"arm-nachinaet-podderzhivat-svobodnyj-drajver-panfrost","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/arm-nachinaet-podderzhivat-svobodnyj-drajver-panfrost","title":{"rendered":"ARM inizia a supportare il driver libero Panfrost","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Alla conferenza XDC2020 (X.Org Developers Conference) annunciato<\/a><\/noindex> sull'adesione dell'azienda ARM al processo di sviluppo del progetto Panfrost<\/a><\/noindex>, che sviluppa un driver open source per le GPU Mali. L'azienda ARM ha espresso disponibilit\u00e0<\/a><\/noindex> a fornire agli sviluppatori del driver le informazioni e la documentazione necessarie per una comprensione pi\u00f9 completa dell'hardware e per concentrare l'attenzione sullo sviluppo, senza perdere tempo a decifrare enigmi durante il reverse engineering dei driver binari. In precedenza, qualcosa di simile era accaduto con l'integrazione dell'azienda Qualcomm nel progetto Freedreno<\/a><\/noindex>, che sviluppa un driver libero per le GPU Qualcomm Adreno.<\/p>\n

La partecipazione dell'azienda ARM aiuter\u00e0 a portare la stabilit\u00e0 dell'implementazione a un livello pronto per un utilizzo diffuso e garantir\u00e0 un supporto pi\u00f9 completo per le istruzioni interne specifiche delle GPU Mali, grazie alla fornitura di informazioni sulle architetture dei chip direttamente. La disponibilit\u00e0 della documentazione interna consentir\u00e0 anche di raggiungere prestazioni ottimali, piena conformit\u00e0 con le specifiche e di sfruttare tutte le potenzialit\u00e0 delle GPU Midgard e Bifrost.<\/p>\n

Le prime modifiche, preparate sulla base delle informazioni ricevute da ARM, sono gi\u00e0 sono state trasferite<\/a><\/noindex> state implementate nel codice sorgente del driver. In particolare,
\n\u00e8 stato svolto un lavoro per portare a termine le operazioni di impacchettamento delle istruzioni in uno schema canonico e per una revisione completa del disassemblatore, al fine di riflettere in modo pi\u00f9 preciso l'architettura del set di istruzioni della GPU Bifrost e di rispettare la terminologia adottata da ARM.<\/p>\n

Il driver Panfrost \u00e8 stato fondato nel 2018 da Alyssa Rosenzweig, che lavora per l'azienda Collabora, e si \u00e8 sviluppato fino ad ora sulla base del reverse engineering dei driver originali di ARM. Attualmente, il driver supporta il funzionamento con chip basati sulle microarchitetture Midgard (Mali-T6xx, Mali-T7xx, Mali-T8xx) e Bifrost (Mali G3x, G5x, G7x). Per le GPU Mali 400\/450, utilizzate in molti vecchi chip basati su architettura ARM, \u00e8 in fase di sviluppo un driver separato. Lima<\/a><\/noindex>. <\/p>\n


\n
\r\n \"Guarda\r\n
<\/div>\r\n <\/div><\/center><\/p>\n

<\/a><\/noindex><\/p>\n

Fonte: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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