{"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\/sv\/blog\/news\/arm-nachinaet-podderzhivat-svobodnyj-drajver-panfrost","title":{"rendered":"ARM b\u00f6rjar st\u00f6dja den fria drivrutinen Panfrost","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

P\u00e5 konferensen XDC2020 (X.Org Developers Conference) meddelats<\/a><\/noindex> om f\u00f6retaget ARMs anslutning till utvecklingsprocessen av projektet Panfrost<\/a><\/noindex>, som utvecklar en \u00f6ppen drivrutin f\u00f6r Mali-grafikprocessorer. F\u00f6retaget ARM har uttryckt sin beredskap<\/a><\/noindex> att f\u00f6rse drivrutinsutvecklarna med n\u00f6dv\u00e4ndig information och dokumentation f\u00f6r en b\u00e4ttre f\u00f6rst\u00e5else av h\u00e5rdvaran och f\u00f6r att fokusera p\u00e5 utvecklingen, utan att sl\u00f6sa tid p\u00e5 att l\u00f6sa g\u00e5tor i processen f\u00f6r omv\u00e4nd ingenj\u00f6rskonst av bin\u00e4ra drivrutiner. Tidigare har liknande skett med f\u00f6retaget Qualcomms anslutning till projektet Freedreno<\/a><\/noindex>, som utvecklar en fri drivrutin f\u00f6r Qualcomm Adreno GPU.<\/p>\n

Deltagandet av f\u00f6retaget ARM kommer att hj\u00e4lpa till att n\u00e5 stabiliteten i implementeringen s\u00e5 att den \u00e4r redo f\u00f6r allm\u00e4nt bruk och s\u00e4kerst\u00e4lla en mer fullst\u00e4ndig support f\u00f6r GPU Mali-specifika interna instruktioner genom att tillhandah\u00e5lla information om chiparkitekturen fr\u00e5n f\u00f6rsta hand. Tillg\u00e5ngen till intern dokumentation kommer ocks\u00e5 att m\u00f6jligg\u00f6ra maximal prestanda, fullst\u00e4ndig \u00f6verensst\u00e4mmelse med specifikationerna och utnyttjande av alla tillg\u00e4ngliga funktioner hos GPU Midgard och Bifrost.<\/p>\n

De f\u00f6rsta \u00e4ndringarna, baserade p\u00e5 information fr\u00e5n ARM, har redan har \u00f6verf\u00f6rts<\/a><\/noindex> lagts till den befintliga kodbasen f\u00f6r drivrutinen. I synnerhet
\nhar arbetet genomf\u00f6rts f\u00f6r att standardisera operationspaketering och helt omarbeta disassemblern, f\u00f6r en mer exakt avbildning av GPU Bifrosts instruktionsupps\u00e4ttning och \u00f6verensst\u00e4mmelse med den terminologi som anv\u00e4nds av ARM.<\/p>\n

Drivrutinen Panfrost grundades 2018 av Alyssa Rosenzweig, som arbetar p\u00e5 Collabora, och har sedan dess utvecklats genom omv\u00e4nd ingenj\u00f6rskonst av de ursprungliga drivrutinerna fr\u00e5n ARM. F\u00f6r n\u00e4rvarande st\u00f6djer drivrutinen chip baserade p\u00e5 mikroarkitekturerna Midgard (Mali-T6xx, Mali-T7xx, Mali-T8xx) och Bifrost (Mali G3x, G5x, G7x). F\u00f6r GPU Mali 400\/450, som anv\u00e4nds i m\u00e5nga \u00e4ldre chip baserade p\u00e5 ARM-arkitekturen, utvecklas en separat drivrutin. Lima<\/a><\/noindex>. <\/p>\n


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\r\n \"Spela\r\n
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K\u00e4lla: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041d\u0430 \u043a\u043e\u043d\u0444\u0435\u0440\u0435\u043d\u0446\u0438\u0438 XDC2020 (X.Org Developers Conference) \u043e\u0431\u044a\u044f\u0432\u043b\u0435\u043d\u043e \u043e \u043f\u0440\u0438\u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0438 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 ARM \u043a \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0443 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Panfrost, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u0439 \u0434\u0440\u0430\u0439\u0432\u0435\u0440 \u0434\u043b\u044f \u0432\u0438\u0434\u0435\u043e\u044f\u0434\u0435\u0440 Mali. \u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f ARM \u0432\u044b\u0440\u0430\u0437\u0438\u043b\u0430 \u0433\u043e\u0442\u043e\u0432\u043d\u043e\u0441\u0442\u044c \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u0438\u0442\u044c \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430\u043c \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u0443\u044e \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044e \u0438 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u044e \u0434\u043b\u044f \u0431\u043e\u043b\u0435\u0435 \u043f\u043e\u043b\u043d\u043e\u0433\u043e \u043f\u043e\u043d\u0438\u043c\u0430\u043d\u0438\u044f \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044f \u0438 \u0444\u043e\u043a\u0443\u0441\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u044f \u043d\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435, \u0431\u0435\u0437 \u0442\u0440\u0430\u0442\u044b \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u043d\u0430 \u0440\u0430\u0437\u0433\u0430\u0434\u044b\u0432\u0430\u043d\u0438\u0435 \u0437\u0430\u0433\u0430\u0434\u043e\u043a \u0432 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435 \u043e\u0431\u0440\u0430\u0442\u043d\u043e\u0433\u043e \u0438\u043d\u0436\u0438\u043d\u0438\u0440\u0438\u043d\u0433\u0430 \u0431\u0438\u043d\u0430\u0440\u043d\u044b\u0445 \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u043e\u0432. 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