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authorNeil Armstrong <narmstrong@baylibre.com>2020-09-16 17:01:46 +0200
committerSteven Price <steven.price@arm.com>2020-09-21 11:13:50 +0200
commit110003002291525bb209f47e6dbf121a63249a97 (patch)
tree14b68b22485fac6bb72f397e99809b94ca9633f1 /virt
parentdrm/panfrost: add support for vendor quirk (diff)
downloadlinux-110003002291525bb209f47e6dbf121a63249a97.tar.xz
linux-110003002291525bb209f47e6dbf121a63249a97.zip
drm/panfrost: add amlogic reset quirk callback
The T820, G31 & G52 GPUs integrated by Amlogic in the respective GXM, G12A/SM1 & G12B SoCs needs a quirk in the PWR registers at the GPU reset time. Since the Amlogic's integration of the GPU cores with the SoC is not publicly documented we do not know what does these values, but they permit having a fully functional GPU running with Panfrost. Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> [Steven: Fix typo in commit log] Reviewed-by: Steven Price <steven.price@arm.com> Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Signed-off-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200916150147.25753-3-narmstrong@baylibre.com
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