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N2 drmfix #376

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@OtherCrashOverride
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commented Jun 9, 2019

Note: FBDEV emulation needs to be enabled in the defconfig.

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commented Jun 10, 2019

hi @OtherCrashOverride if this actually fixes the fbdev emulation on DRM can you include in your PR a change on defconfig to enable it as well?

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commented Jun 11, 2019

@mdrjr,
Enabling the feature has the potential to cause an infinite boot loop if there are any issues. This condition can only be recovered by using a second device like a PC to modify the boot.ini:
drm_kms_helper.fbdev_emulation=0

I have only tested with 1080p currently. The behavior with 4K/HDR (2160p) needs to be verified on different monitors with different EDIDs. Therefore, I felt it best that HardKernel add the patch to enable it after they have tested it under various monitor configurations.

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