From: Maarten Lankhorst <dev@lankhorst.se>
To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org
Cc: Maarten Lankhorst <dev@lankhorst.se>
Subject: [i915-rt v5 20/21] PREEMPT_RT injection
Date: Wed, 21 Jan 2026 14:53:16 +0100 [thread overview]
Message-ID: <20260121135318.651622-21-dev@lankhorst.se> (raw)
In-Reply-To: <20260121135318.651622-1-dev@lankhorst.se>
Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>
---
drivers/gpu/drm/i915/Kconfig.debug | 15 ---------------
drivers/gpu/drm/xe/Kconfig.debug | 5 +++++
kernel/Kconfig.preempt | 4 ++--
3 files changed, 7 insertions(+), 17 deletions(-)
diff --git a/drivers/gpu/drm/i915/Kconfig.debug b/drivers/gpu/drm/i915/Kconfig.debug
index 3562a02ef7adc..0ab10ff41e38d 100644
--- a/drivers/gpu/drm/i915/Kconfig.debug
+++ b/drivers/gpu/drm/i915/Kconfig.debug
@@ -233,21 +233,6 @@ config DRM_I915_LOW_LEVEL_TRACEPOINTS
If in doubt, say "N".
-config DRM_I915_DEBUG_VBLANK_EVADE
- bool "Enable extra debug warnings for vblank evasion"
- depends on DRM_I915
- default n
- help
- Choose this option to turn on extra debug warnings for the
- vblank evade mechanism. This gives a warning every time the
- the deadline allotted for the vblank evade critical section
- is exceeded, even if there isn't an actual risk of missing
- the vblank.
-
- Recommended for driver developers only.
-
- If in doubt, say "N".
-
config DRM_I915_DEBUG_RUNTIME_PM
bool "Enable extra state checking for runtime PM"
depends on DRM_I915
diff --git a/drivers/gpu/drm/xe/Kconfig.debug b/drivers/gpu/drm/xe/Kconfig.debug
index 01227c77f6d70..1d5f11c6e88f3 100644
--- a/drivers/gpu/drm/xe/Kconfig.debug
+++ b/drivers/gpu/drm/xe/Kconfig.debug
@@ -30,6 +30,11 @@ config DRM_XE_DEBUG
If in doubt, say "N".
+config DRM_I915_DEBUG_VBLANK_EVADE
+ def_bool y
+ depends on DRM_XE
+
+
config DRM_XE_DEBUG_VM
bool "Enable extra VM debugging info"
default n
diff --git a/kernel/Kconfig.preempt b/kernel/Kconfig.preempt
index da326800c1c9b..68a6d42c55abe 100644
--- a/kernel/Kconfig.preempt
+++ b/kernel/Kconfig.preempt
@@ -87,9 +87,9 @@ config PREEMPT_LAZY
endchoice
config PREEMPT_RT
- bool "Fully Preemptible Kernel (Real-Time)"
- depends on EXPERT && ARCH_SUPPORTS_RT && !COMPILE_TEST
+ def_bool y
select PREEMPTION
+ depends on ARCH_SUPPORTS_RT
help
This option turns the kernel into a real-time kernel by replacing
various locking primitives (spinlocks, rwlocks, etc.) with
--
2.51.0
next prev parent reply other threads:[~2026-01-21 13:54 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-21 13:52 [i915-rt v5 00/21] drm/i915/display: All patches to make PREEMPT_RT work on i915 + xe Maarten Lankhorst
2026-01-21 13:52 ` [i915-rt v5 01/21] drm/i915/display: Fix intel_lpe_audio_irq_handler for PREEMPT-RT Maarten Lankhorst
2026-02-02 19:31 ` Shankar, Uma
2026-01-21 13:52 ` [i915-rt v5 02/21] drm/i915/display: Make get_vblank_counter use intel_de_read_fw() Maarten Lankhorst
2026-02-02 19:33 ` Shankar, Uma
2026-01-21 13:52 ` [i915-rt v5 03/21] drm/i915/display: Use intel_de_write_fw in intel_pipe_fastset Maarten Lankhorst
2026-02-02 19:43 ` Shankar, Uma
2026-01-21 13:53 ` [i915-rt v5 04/21] drm/i915/display: Make set_pipeconf use the fw variants Maarten Lankhorst
2026-02-02 19:45 ` Shankar, Uma
2026-01-21 13:53 ` [i915-rt v5 05/21] drm/i915/display: Move vblank put until after critical section Maarten Lankhorst
2026-01-21 13:53 ` [i915-rt v5 06/21] drm/i915/display: Remove locking from intel_vblank_evade " Maarten Lankhorst
2026-02-02 20:17 ` Shankar, Uma
2026-01-21 13:53 ` [i915-rt v5 07/21] drm/i915/display: Handle vlv dsi workaround in scanline_in_safe_range too Maarten Lankhorst
2026-02-02 20:24 ` Shankar, Uma
2026-01-21 13:53 ` [i915-rt v5 08/21] drm/i915/display: Make icl_dsi_frame_update use _fw too Maarten Lankhorst
2026-02-02 20:31 ` Shankar, Uma
2026-01-21 13:53 ` [i915-rt v5 09/21] drm/i915/display: Enable interrupts earlier on PREEMPT_RT Maarten Lankhorst
2026-02-02 20:59 ` Shankar, Uma
2026-01-21 13:53 ` [i915-rt v5 10/21] drm/i915: Use preempt_disable/enable_rt() where recommended Maarten Lankhorst
2026-02-02 21:07 ` Shankar, Uma
2026-01-21 13:53 ` [i915-rt v5 11/21] drm/i915/display: Use intel_de_read/write_fw in colorops Maarten Lankhorst
2026-02-02 21:08 ` Shankar, Uma
2026-01-21 13:53 ` [i915-rt v5 12/21] drm/i915/gt: Use spin_lock_irq() instead of local_irq_disable() + spin_lock() Maarten Lankhorst
2026-01-21 13:53 ` [i915-rt v5 13/21] drm/i915: Drop the irqs_disabled() check Maarten Lankhorst
2026-01-21 13:53 ` [i915-rt v5 14/21] drm/i915/guc: Consider also RCU depth in busy loop Maarten Lankhorst
2026-01-21 13:53 ` [i915-rt v5 15/21] Revert "drm/i915: Depend on !PREEMPT_RT." Maarten Lankhorst
2026-01-21 13:53 ` [i915-rt v5 16/21] drm/i915/gt: Fix selftests on PREEMPT_RT Maarten Lankhorst
2026-01-21 13:53 ` [i915-rt v5 17/21] drm/i915/gt: Set stop_timeout() correctly on PREEMPT-RT Maarten Lankhorst
2026-01-21 13:53 ` [i915-rt v5 18/21] drm/i915/display: Do not take uncore lock in i915_get_vblank_counter Maarten Lankhorst
2026-01-21 13:53 ` [i915-rt v5 19/21] drm/i915/display: Remove uncore lock from vlv_atomic_update_fifo Maarten Lankhorst
2026-01-21 13:53 ` Maarten Lankhorst [this message]
2026-01-21 23:57 ` [i915-rt v5 20/21] PREEMPT_RT injection kernel test robot
2026-01-22 2:30 ` kernel test robot
2026-01-21 13:53 ` [i915-rt v5 21/21] FOR-CI: drm/i915: Reset lockdep after selftest unload Maarten Lankhorst
2026-01-21 16:56 ` [i915-rt v5] " Maarten Lankhorst
2026-01-22 0:04 ` [i915-rt v5] FOR-CI: try bumping MAX_STACK_TRACE_ENTRIES? Maarten Lankhorst
2026-01-21 14:03 ` ✗ CI.checkpatch: warning for drm/i915/display: All patches to make PREEMPT_RT work on i915 + xe. (rev9) Patchwork
2026-01-21 14:04 ` ✓ CI.KUnit: success " Patchwork
2026-01-21 17:19 ` ✗ CI.checkpatch: warning for drm/i915/display: All patches to make PREEMPT_RT work on i915 + xe. (rev10) Patchwork
2026-01-21 17:21 ` ✓ CI.KUnit: success " Patchwork
2026-01-21 17:36 ` ✗ CI.checksparse: warning " Patchwork
2026-01-21 17:59 ` ✓ Xe.CI.BAT: success " Patchwork
2026-01-22 1:48 ` ✗ CI.checkpatch: warning for drm/i915/display: All patches to make PREEMPT_RT work on i915 + xe. (rev11) Patchwork
2026-01-22 1:49 ` ✓ CI.KUnit: success " Patchwork
2026-01-22 2:04 ` ✗ CI.checksparse: warning " Patchwork
2026-01-22 2:27 ` ✓ Xe.CI.BAT: success " Patchwork
2026-01-22 3:03 ` ✗ Xe.CI.Full: failure for drm/i915/display: All patches to make PREEMPT_RT work on i915 + xe. (rev10) Patchwork
2026-01-22 13:27 ` ✗ Xe.CI.Full: failure for drm/i915/display: All patches to make PREEMPT_RT work on i915 + xe. (rev11) Patchwork
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