Linux kernel bug fix: drm/vc4: hdmi: Add a spinlock to protect register access
Subsystem: gpu (drivers/gpu/drm/vc4/vc4_hdmi_regs.h)
Bug type: crash, severity: high
Files changed: drivers/gpu/drm/vc4/vc4_hdmi.c;drivers/gpu/drm/vc4/vc4_hdmi.h;drivers/gpu/drm/vc4/vc4_hdmi_phy.c;drivers/gpu/drm/vc4/vc4_hdmi_regs.h
Introduced by Eric Anholt on 2015-10-21 10:33:12 +0100; fixed by Maxime Ripard on 2021-11-05 12:53:24 +0100 (lifetime: 2207 days)