From: Maarten Lankhorst <dev@lankhorst.se>
To: intel-xe@lists.freedesktop.org, intel-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org, Maarten Lankhorst <dev@lankhorst.se>
Subject: [PATCH v8 23/27] PREEMPT_RT injection
Date: Mon, 15 Jun 2026 22:18:41 +0200 [thread overview]
Message-ID: <20260615201846.307297-24-dev@lankhorst.se> (raw)
In-Reply-To: <20260615201846.307297-1-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 52a3a59b4ba2c..5977d0b262b85 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 88c594c6d7fcd..11bec9be95405 100644
--- a/kernel/Kconfig.preempt
+++ b/kernel/Kconfig.preempt
@@ -90,9 +90,9 @@ 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
--
2.53.0
next prev parent reply other threads:[~2026-06-15 20:19 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-15 20:18 [PATCH v8 00/27] drm/i915/display: All patches to make PREEMPT_RT work on i915 + xe Maarten Lankhorst
2026-06-15 20:18 ` [PATCH v8 01/27] drm/vblank_work: Add methods to schedule vblank_work in 2 stages Maarten Lankhorst
2026-06-15 20:30 ` sashiko-bot
2026-06-15 20:18 ` [PATCH v8 02/27] drm/vblank: Add a 2-stage version of drm_crtc_arm_vblank_event Maarten Lankhorst
2026-06-15 20:31 ` sashiko-bot
2026-06-15 20:18 ` [PATCH v8 03/27] drm/intel/display: Make intel_crtc_arm_vblank_event static Maarten Lankhorst
2026-06-15 20:18 ` [PATCH v8 04/27] drm/intel/display: Convert vblank event handling to 2-stage arming Maarten Lankhorst
2026-06-15 20:35 ` sashiko-bot
2026-06-15 20:18 ` [PATCH v8 05/27] drm/i915/display: Move vblank put until after critical section Maarten Lankhorst
2026-06-15 20:25 ` sashiko-bot
2026-06-15 20:18 ` [PATCH v8 06/27] drm/i915/display: Remove locking from intel_vblank_evade " Maarten Lankhorst
2026-06-15 20:39 ` sashiko-bot
2026-06-15 20:18 ` [PATCH v8 07/27] drm/i915/display: Handle vlv dsi workaround in scanline_in_safe_range too Maarten Lankhorst
2026-06-15 20:29 ` sashiko-bot
2026-06-15 20:18 ` [PATCH v8 08/27] drm/i915: Use preempt_disable/enable_rt() where recommended Maarten Lankhorst
2026-06-15 20:32 ` sashiko-bot
2026-06-15 20:18 ` [PATCH v8 09/27] drm/i915/display: Make get_vblank_counter use intel_de_read_fw() Maarten Lankhorst
2026-06-15 20:39 ` sashiko-bot
2026-06-15 20:18 ` [PATCH v8 10/27] drm/i915/display: Do not take uncore lock in i915_get_vblank_counter Maarten Lankhorst
2026-06-15 20:35 ` sashiko-bot
2026-06-15 20:18 ` [PATCH v8 11/27] drm/i915/display: Make icl_dsi_frame_update use _fw too Maarten Lankhorst
2026-06-15 20:18 ` [PATCH v8 12/27] drm/i915/display: Use intel_de_read/write_fw in colorops Maarten Lankhorst
2026-06-15 20:18 ` [PATCH v8 13/27] drm/i915/display: Use intel_de_write_fw in intel_pipe_fastset Maarten Lankhorst
2026-06-15 20:46 ` sashiko-bot
2026-06-15 20:18 ` [PATCH v8 14/27] drm/i915/display: Make set_pipeconf use the fw variants Maarten Lankhorst
2026-06-15 20:44 ` sashiko-bot
2026-06-15 20:18 ` [PATCH v8 15/27] drm/i915/gt: Use spin_lock_irq() instead of local_irq_disable() + spin_lock() Maarten Lankhorst
2026-06-15 20:39 ` sashiko-bot
2026-06-15 20:18 ` [PATCH v8 16/27] drm/i915: Drop the irqs_disabled() check Maarten Lankhorst
2026-06-15 20:18 ` [PATCH v8 17/27] drm/i915/guc: Consider also RCU depth in busy loop Maarten Lankhorst
2026-06-15 20:18 ` [PATCH v8 18/27] drm/i915/gt: Fix selftests on PREEMPT_RT Maarten Lankhorst
2026-06-15 20:18 ` [PATCH v8 19/27] drm/i915/gt: Set stop_timeout() correctly on PREEMPT-RT Maarten Lankhorst
2026-06-15 20:18 ` [PATCH v8 20/27] drm/i915/display: Remove uncore lock from vlv_atomic_update_fifo Maarten Lankhorst
2026-06-15 20:36 ` sashiko-bot
2026-06-15 20:18 ` [PATCH v8 21/27] drm/i915: Use sleeping selftests for igt_atomic on PREEMPT_RT Maarten Lankhorst
2026-06-15 20:18 ` [PATCH v8 22/27] Revert "drm/i915: Depend on !PREEMPT_RT." Maarten Lankhorst
2026-06-15 20:18 ` Maarten Lankhorst [this message]
2026-06-15 20:39 ` [PATCH v8 23/27] PREEMPT_RT injection sashiko-bot
2026-06-15 20:18 ` [PATCH v8 24/27] FOR-CI: bump MAX_STACK_TRACE_ENTRIES Maarten Lankhorst
2026-06-15 20:35 ` sashiko-bot
2026-06-15 20:18 ` [PATCH v8 25/27] drm/i915/gt: Add a spinlock to prevent starvation of irq_work Maarten Lankhorst
2026-06-15 20:38 ` sashiko-bot
2026-06-15 20:18 ` [PATCH v8 26/27] drm/xe/display: Always use system memory on PREEMPT_RT for DPT Maarten Lankhorst
2026-06-15 20:39 ` sashiko-bot
2026-06-15 20:18 ` [PATCH v8 27/27] drm/xe/display: Prefer not to allocate a framebuffers in stolen memory Maarten Lankhorst
2026-06-15 20:41 ` sashiko-bot
2026-06-15 20:33 ` ✗ CI.checkpatch: warning for drm/i915/display: All patches to make PREEMPT_RT work on i915 + xe. (rev16) Patchwork
2026-06-15 20:34 ` ✓ CI.KUnit: success " Patchwork
2026-06-15 20:50 ` ✗ CI.checksparse: warning " Patchwork
2026-06-15 21:27 ` ✗ Xe.CI.BAT: failure " Patchwork
2026-06-15 21:48 ` ✗ i915.CI.BAT: " Patchwork
2026-06-15 23:22 ` ✗ Xe.CI.FULL: " Patchwork
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