On 2022-02-14 19:59:08 [+0100], To intel-gfx@xxxxxxxxxxxxxxxxxxxxx wrote: > There are a few sections in the driver which are not compatible with > PREEMPT_RT. They trigger warnings and can lead to deadlocks at runtime. > > Disable the i915 driver on a PREEMPT_RT enabled kernel. This way > PREEMPT_RT itself can be enabled without needing to address the i915 > issues first. The RT related patches are still in RT queue and will be > handled later. > > Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> A gentle ping ;) > --- > drivers/gpu/drm/i915/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig > index a4c94dc2e2164..3aa719d5a0f0d 100644 > --- a/drivers/gpu/drm/i915/Kconfig > +++ b/drivers/gpu/drm/i915/Kconfig > @@ -3,6 +3,7 @@ config DRM_I915 > tristate "Intel 8xx/9xx/G3x/G4x/HD Graphics" > depends on DRM > depends on X86 && PCI > + depends on !PREEMPT_RT > select INTEL_GTT > select INTERVAL_TREE > # we need shmfs for the swappable backing store, and in particular Sebastian