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 v7 19/26] drm/i915/gt: Fix selftests on PREEMPT_RT
Date: Tue, 10 Mar 2026 12:57:01 +0100 [thread overview]
Message-ID: <20260310115709.2276203-20-dev@lankhorst.se> (raw)
In-Reply-To: <20260310115709.2276203-1-dev@lankhorst.se>
Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>
---
drivers/gpu/drm/i915/gt/selftest_engine_pm.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/selftest_engine_pm.c b/drivers/gpu/drm/i915/gt/selftest_engine_pm.c
index 10e556a7eac45..c1eff9edd8a5e 100644
--- a/drivers/gpu/drm/i915/gt/selftest_engine_pm.c
+++ b/drivers/gpu/drm/i915/gt/selftest_engine_pm.c
@@ -277,11 +277,11 @@ static int live_engine_busy_stats(void *arg)
st_engine_heartbeat_disable(engine);
ENGINE_TRACE(engine, "measuring idle time\n");
- preempt_disable();
+ migrate_disable();
de = intel_engine_get_busy_time(engine, &t[0]);
udelay(100);
de = ktime_sub(intel_engine_get_busy_time(engine, &t[1]), de);
- preempt_enable();
+ migrate_enable();
dt = ktime_sub(t[1], t[0]);
if (de < 0 || de > 10) {
pr_err("%s: reported %lldns [%d%%] busyness while sleeping [for %lldns]\n",
@@ -316,11 +316,11 @@ static int live_engine_busy_stats(void *arg)
}
ENGINE_TRACE(engine, "measuring busy time\n");
- preempt_disable();
+ migrate_disable();
de = intel_engine_get_busy_time(engine, &t[0]);
mdelay(100);
de = ktime_sub(intel_engine_get_busy_time(engine, &t[1]), de);
- preempt_enable();
+ migrate_enable();
dt = ktime_sub(t[1], t[0]);
if (100 * de < 95 * dt || 95 * de > 100 * dt) {
pr_err("%s: reported %lldns [%d%%] busyness while spinning [for %lldns]\n",
--
2.51.0
next prev parent reply other threads:[~2026-03-10 11:57 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-10 11:56 [PATCH v7 00/26] drm/i915/display: All patches to make PREEMPT_RT work on i915 + xe Maarten Lankhorst
2026-03-10 11:56 ` [PATCH v7 01/26] drm/vblank_work: Add methods to schedule vblank_work in 2 stages Maarten Lankhorst
2026-03-10 11:56 ` [PATCH v7 02/26] drm/vblank: Add a 2-stage version of drm_crtc_arm_vblank_event Maarten Lankhorst
2026-03-10 11:56 ` [PATCH v7 03/26] drm/intel/display: Make intel_crtc_arm_vblank_event static Maarten Lankhorst
2026-03-10 11:56 ` [PATCH v7 04/26] drm/intel/display: Convert vblank event handling to 2-stage arming Maarten Lankhorst
2026-03-10 11:56 ` [PATCH v7 05/26] drm/i915/display: Move vblank put until after critical section Maarten Lankhorst
2026-03-10 11:56 ` [PATCH v7 06/26] drm/i915/display: Remove locking from intel_vblank_evade " Maarten Lankhorst
2026-03-10 11:56 ` [PATCH v7 07/26] drm/i915/display: Handle vlv dsi workaround in scanline_in_safe_range too Maarten Lankhorst
2026-03-10 11:56 ` [PATCH v7 08/26] drm/i915: Use preempt_disable/enable_rt() where recommended Maarten Lankhorst
2026-03-10 11:56 ` [PATCH v7 09/26] drm/i915/display: Make get_vblank_counter use intel_de_read_fw() Maarten Lankhorst
2026-03-10 11:56 ` [PATCH v7 10/26] drm/i915/display: Do not take uncore lock in i915_get_vblank_counter Maarten Lankhorst
2026-03-10 11:56 ` [PATCH v7 11/26] drm/i915/display: Make icl_dsi_frame_update use _fw too Maarten Lankhorst
2026-03-10 11:56 ` [PATCH v7 12/26] drm/i915/display: Use intel_de_read/write_fw in colorops Maarten Lankhorst
2026-03-10 11:56 ` [PATCH v7 13/26] drm/i915/display: Use intel_de_write_fw in intel_pipe_fastset Maarten Lankhorst
2026-03-10 11:56 ` [PATCH v7 14/26] drm/i915/display: Make set_pipeconf use the fw variants Maarten Lankhorst
2026-03-10 11:56 ` [PATCH v7 15/26] drm/i915/display: Fix intel_lpe_audio_irq_handler for PREEMPT-RT Maarten Lankhorst
2026-03-10 11:56 ` [PATCH v7 16/26] drm/i915/gt: Use spin_lock_irq() instead of local_irq_disable() + spin_lock() Maarten Lankhorst
2026-03-10 11:56 ` [PATCH v7 17/26] drm/i915: Drop the irqs_disabled() check Maarten Lankhorst
2026-03-10 11:57 ` [PATCH v7 18/26] drm/i915/guc: Consider also RCU depth in busy loop Maarten Lankhorst
2026-03-10 11:57 ` Maarten Lankhorst [this message]
2026-03-10 11:57 ` [PATCH v7 20/26] drm/i915/gt: Set stop_timeout() correctly on PREEMPT-RT Maarten Lankhorst
2026-03-10 11:57 ` [PATCH v7 21/26] drm/i915/display: Remove uncore lock from vlv_atomic_update_fifo Maarten Lankhorst
2026-03-10 11:57 ` [PATCH v7 22/26] drm/i915: Use sleeping selftests for igt_atomic on PREEMPT_RT Maarten Lankhorst
2026-03-10 11:57 ` [PATCH v7 23/26] Revert "drm/i915: Depend on !PREEMPT_RT." Maarten Lankhorst
2026-03-10 11:57 ` [PATCH v7 24/26] PREEMPT_RT injection Maarten Lankhorst
2026-03-10 11:57 ` [PATCH v7 25/26] FOR-CI: bump MAX_STACK_TRACE_ENTRIES Maarten Lankhorst
2026-03-10 11:57 ` [PATCH v7 26/26] drm/i915/gt: Add a spinlock to prevent starvation of irq_work Maarten Lankhorst
2026-03-10 17:04 ` Sebastian Andrzej Siewior
2026-03-10 18:14 ` Maarten Lankhorst
2026-03-10 17:22 ` Sebastian Andrzej Siewior
2026-03-10 19:03 ` Maarten Lankhorst
2026-03-11 3:21 ` Claude review: drm/i915/display: All patches to make PREEMPT_RT work on i915 + xe Claude Code Review Bot
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