Forward to dri-devel and linux-mediatek.
Andy Chernyak <andy.chern...@gmail.com> 於 2025年7月2日 週三 下午11:12寫道: > > Kernel 6.16 has external video (both hdmi and displayport-over-usbc) broken > (black screen) on mt8173-based chromebooks (platform codename "oak", device > codename "hana"). Bisect points finger to following commit: > > From d6e25b3590a0679bca1a1becc04e3999f1dfd461 > From: Guillaume Ranquet <granq...@baylibre.com> > Date: Tue, 15 Apr 2025 12:43:05 +0200 > Subject: drm/mediatek: hdmi: Use regmap instead of iomem for main registers > In preparation for the addition of a new version of the HDMI IP > which will need to share its iospace between multiple subdrivers, > and in preparation for moving out the common bits between the two, > migrate this driver to fully use regmap. > > Reverting d6e25b3590 with "patch -R" on top of 6.16-rc4 fixes this.