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[regression] Screen turns off after exiting UEFI boot services #52

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X547 opened this issue Aug 16, 2023 · 1 comment
Open

[regression] Screen turns off after exiting UEFI boot services #52

X547 opened this issue Aug 16, 2023 · 1 comment

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@X547
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X547 commented Aug 16, 2023 •
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Regression introduced in VisionFive2 Software v3.4.5, worked fine in v3.1.5.

Firmware should keep display engine enabled after exiting UEFI boot services according UEFI spec. Issue makes impossible to use display for operating systems that do not implements its own display engine driver.

Display 1920x1080 connected to HDMI port is used.
@X547
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X547 commented Aug 16, 2023

Regression seems caused by 26a31fa.

CC: @kJugg

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@X547