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drm/i915: Depend on !PREEMPT_RT.

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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@linutronix.de>
Acked-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YgqmfKhwU5spS069@linutronix.de
This commit is contained in:
Sebastian Andrzej Siewior
2022-02-14 19:59:08 +01:00
committed by Tvrtko Ursulin
parent e2a1e7abae
commit a8b2b8b06e
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/i915/Kconfig
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@@ -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