From: Maarten Lankhorst <dev@lankhorst.se>
To: intel-xe@lists.freedesktop.org, intel-gfx@lists.freedesktop.org
Subject: [i915-rt v4 11/20] PREEMPT_RT injection
Date: Thu, 18 Dec 2025 17:33:59 +0100 [thread overview]
Message-ID: <20251218163408.97508-12-dev@lankhorst.se> (raw)
In-Reply-To: <20251218163408.97508-1-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:[~2025-12-18 16:33 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-18 16:33 [i915-rt v4 00/20] drm/i915/display: All patches to make PREEMPT_RT work on i915 + xe Maarten Lankhorst
2025-12-18 16:33 ` [i915-rt v4 01/20] drm/i915/display: Fix intel_lpe_audio_irq_handler for PREEMPT-RT Maarten Lankhorst
2025-12-18 16:33 ` [i915-rt v4 02/20] drm/i915/display: Make get_vblank_counter use intel_de_read_fw() Maarten Lankhorst
2025-12-18 16:33 ` [i915-rt v4 03/20] drm/i915/display: Use intel_de_write_fw in intel_pipe_fastset Maarten Lankhorst
2025-12-18 16:33 ` [i915-rt v4 04/20] drm/i915/display: Make set_pipeconf use the fw variants Maarten Lankhorst
2025-12-18 16:33 ` [i915-rt v4 05/20] drm/i915/display: Move vblank put until after critical section Maarten Lankhorst
2025-12-18 16:33 ` [i915-rt v4 06/20] drm/i915/display: Remove locking from intel_vblank_evade " Maarten Lankhorst
2025-12-18 16:33 ` [i915-rt v4 07/20] drm/i915/display: Handle vlv dsi workaround in scanline_in_safe_range too Maarten Lankhorst
2025-12-18 16:33 ` [i915-rt v4 08/20] drm/i915/display: Make icl_dsi_frame_update use _fw too Maarten Lankhorst
2025-12-18 16:33 ` [i915-rt v4 09/20] drm/i915/display: Enable interrupts earlier on PREEMPT_RT Maarten Lankhorst
2025-12-18 16:33 ` [i915-rt v4 10/20] drm/i915: Use preempt_disable/enable_rt() where recommended Maarten Lankhorst
2025-12-18 16:33 ` Maarten Lankhorst [this message]
2025-12-18 16:34 ` [i915-rt v4 12/20] drm/i915/display: Use intel_de_read_fw in colorops Maarten Lankhorst
2025-12-18 16:34 ` [i915-rt v4 13/20] drm/i915/gt: Use spin_lock_irq() instead of local_irq_disable() + spin_lock() Maarten Lankhorst
2025-12-18 16:34 ` [i915-rt v4 14/20] drm/i915: Drop the irqs_disabled() check Maarten Lankhorst
2025-12-18 16:34 ` [i915-rt v4 15/20] drm/i915/guc: Consider also RCU depth in busy loop Maarten Lankhorst
2025-12-18 16:34 ` [i915-rt v4 16/20] Revert "drm/i915: Depend on !PREEMPT_RT." Maarten Lankhorst
2025-12-18 16:34 ` [i915-rt v4 17/20] drm/i915/gt: Fix selftests on PREEMPT_RT Maarten Lankhorst
2025-12-18 16:34 ` [i915-rt v4 18/20] drm/i915/gt: Set stop_timeout() correctly on PREEMPT-RT Maarten Lankhorst
2025-12-18 16:34 ` [i915-rt v4 19/20] drm/i915/display: Do not take uncore lock in i915_get_vblank_counter Maarten Lankhorst
2025-12-18 19:33 ` [i915-rt v4.1] " Maarten Lankhorst
2025-12-20 15:20 ` [i915-rt v4 19/20] " kernel test robot
2025-12-20 15:43 ` kernel test robot
2025-12-21 0:35 ` kernel test robot
2025-12-18 16:34 ` [i915-rt v4 20/20] drm/i915/display: Remove uncore lock from vlv_atomic_update_fifo Maarten Lankhorst
2025-12-18 21:06 ` [i915-rt v4.1] " Maarten Lankhorst
2025-12-18 21:50 ` [i915-rt v4.2] " Maarten Lankhorst
2025-12-20 18:23 ` [i915-rt v4 20/20] " kernel test robot
2025-12-18 17:42 ` ✗ Fi.CI.BUILD: failure for drm/i915/display: All patches to make PREEMPT_RT work on i915 + xe. (rev5) Patchwork
2025-12-18 20:08 ` ✗ Fi.CI.BUILD: failure for drm/i915/display: All patches to make PREEMPT_RT work on i915 + xe. (rev6) Patchwork
2025-12-18 21:28 ` ✗ Fi.CI.BUILD: failure for drm/i915/display: All patches to make PREEMPT_RT work on i915 + xe. (rev7) Patchwork
2025-12-18 23:31 ` ✗ i915.CI.BAT: failure for drm/i915/display: All patches to make PREEMPT_RT work on i915 + xe. (rev8) Patchwork
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