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From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: [Intel-gfx] [PATCH 25/26] drm/i915: Ensure we hold the pin mutex
Date: Tue, 23 Jun 2020 16:28:42 +0200	[thread overview]
Message-ID: <20200623142843.423594-25-maarten.lankhorst@linux.intel.com> (raw)
In-Reply-To: <20200623142843.423594-1-maarten.lankhorst@linux.intel.com>

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
---
 drivers/gpu/drm/i915/gt/intel_renderstate.c | 2 +-
 drivers/gpu/drm/i915/i915_vma.c             | 9 ++++++++-
 drivers/gpu/drm/i915/i915_vma.h             | 3 +++
 3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_renderstate.c b/drivers/gpu/drm/i915/gt/intel_renderstate.c
index 76b39f4c29b5..22c54db3d3ca 100644
--- a/drivers/gpu/drm/i915/gt/intel_renderstate.c
+++ b/drivers/gpu/drm/i915/gt/intel_renderstate.c
@@ -196,7 +196,7 @@ int intel_renderstate_init(struct intel_renderstate *so,
 	if (err)
 		goto err_context;
 
-	err = i915_vma_pin(so->vma, 0, 0, PIN_GLOBAL | PIN_HIGH);
+	err = i915_vma_pin_ww(so->vma, &so->ww, 0, 0, PIN_GLOBAL | PIN_HIGH);
 	if (err)
 		goto err_context;
 
diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c
index d540bf45bdb0..4d797add5323 100644
--- a/drivers/gpu/drm/i915/i915_vma.c
+++ b/drivers/gpu/drm/i915/i915_vma.c
@@ -867,6 +867,8 @@ int i915_vma_pin_ww(struct i915_vma *vma, struct i915_gem_ww_ctx *ww,
 #ifdef CONFIG_PROVE_LOCKING
 	if (debug_locks && lockdep_is_held(&vma->vm->i915->drm.struct_mutex))
 		WARN_ON(!ww);
+	if (debug_locks && ww && vma->resv)
+		assert_vma_held(vma);
 #endif
 
 	BUILD_BUG_ON(PIN_GLOBAL != I915_VMA_GLOBAL_BIND);
@@ -1006,8 +1008,13 @@ int i915_ggtt_pin(struct i915_vma *vma, struct i915_gem_ww_ctx *ww,
 
 	GEM_BUG_ON(!i915_vma_is_ggtt(vma));
 
+	WARN_ON(!ww && vma->resv && dma_resv_held(vma->resv));
+
 	do {
-		err = i915_vma_pin_ww(vma, ww, 0, align, flags | PIN_GLOBAL);
+		if (ww)
+			err = i915_vma_pin_ww(vma, ww, 0, align, flags | PIN_GLOBAL);
+		else
+			err = i915_vma_pin(vma, 0, align, flags | PIN_GLOBAL);
 		if (err != -ENOSPC) {
 			if (!err) {
 				err = i915_vma_wait_for_bind(vma);
diff --git a/drivers/gpu/drm/i915/i915_vma.h b/drivers/gpu/drm/i915/i915_vma.h
index 5b3a3c653454..838bbbeb11cc 100644
--- a/drivers/gpu/drm/i915/i915_vma.h
+++ b/drivers/gpu/drm/i915/i915_vma.h
@@ -243,6 +243,9 @@ i915_vma_pin_ww(struct i915_vma *vma, struct i915_gem_ww_ctx *ww,
 static inline int __must_check
 i915_vma_pin(struct i915_vma *vma, u64 size, u64 alignment, u64 flags)
 {
+#ifdef CONFIG_LOCKDEP
+	WARN_ON_ONCE(vma->resv && dma_resv_held(vma->resv));
+#endif
 	return i915_vma_pin_ww(vma, NULL, size, alignment, flags);
 }
 
-- 
2.27.0

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  parent reply	other threads:[~2020-06-23 14:29 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-23 14:28 [Intel-gfx] [PATCH 01/26] Revert "drm/i915/gem: Async GPU relocations only" Maarten Lankhorst
2020-06-23 14:28 ` [Intel-gfx] [PATCH 02/26] drm/i915: Revert relocation chaining commits Maarten Lankhorst
2020-06-23 14:28 ` [Intel-gfx] [PATCH 03/26] Revert "drm/i915/gem: Drop relocation slowpath" Maarten Lankhorst
2020-06-23 14:28 ` [Intel-gfx] [PATCH 04/26] drm/i915: Add an implementation for i915_gem_ww_ctx locking, v2 Maarten Lankhorst
2020-06-24  7:10   ` Thomas Hellström (Intel)
2020-06-24  7:43     ` Chris Wilson
2020-06-24  7:49       ` Thomas Hellström (Intel)
2020-06-24  8:27         ` Chris Wilson
2020-06-29 12:07   ` Tvrtko Ursulin
2020-06-29 12:32   ` Tvrtko Ursulin
2020-06-29 13:44     ` Maarten Lankhorst
2020-06-23 14:28 ` [Intel-gfx] [PATCH 05/26] drm/i915: Remove locking from i915_gem_object_prepare_read/write Maarten Lankhorst
2020-06-26 13:32   ` Thomas Hellström (Intel)
2020-06-29 12:56   ` Tvrtko Ursulin
2020-06-23 14:28 ` [Intel-gfx] [PATCH 06/26] drm/i915: Parse command buffer earlier in eb_relocate(slow) Maarten Lankhorst
2020-06-26 14:41   ` Thomas Hellström (Intel)
2020-06-29 10:40     ` Maarten Lankhorst
2020-06-29 11:15       ` Thomas Hellström (Intel)
2020-06-29 11:18         ` Maarten Lankhorst
2020-06-29 14:42   ` Tvrtko Ursulin
2020-06-23 14:28 ` [Intel-gfx] [PATCH 07/26] Revert "drm/i915/gem: Split eb_vma into its own allocation" Maarten Lankhorst
2020-06-29 15:08   ` Tvrtko Ursulin
2020-06-30 11:52     ` Maarten Lankhorst
2020-06-30 12:31       ` Tvrtko Ursulin
2020-06-30 14:07         ` Maarten Lankhorst
2020-06-23 14:28 ` [Intel-gfx] [PATCH 08/26] drm/i915/gem: Make eb_add_lut interruptible wait on object lock Maarten Lankhorst
2020-06-26 13:52   ` Thomas Hellström (Intel)
2020-06-29 15:14   ` Tvrtko Ursulin
2020-06-30 11:56     ` Maarten Lankhorst
2020-06-23 14:28 ` [Intel-gfx] [PATCH 09/26] drm/i915: Use per object locking in execbuf, v12 Maarten Lankhorst
2020-06-23 14:28 ` [Intel-gfx] [PATCH 10/26] drm/i915: Use ww locking in intel_renderstate Maarten Lankhorst
2020-06-23 14:28 ` [Intel-gfx] [PATCH 11/26] drm/i915: Add ww context handling to context_barrier_task Maarten Lankhorst
2020-06-23 14:28 ` [Intel-gfx] [PATCH 12/26] drm/i915: Nuke arguments to eb_pin_engine Maarten Lankhorst
2020-06-23 14:28 ` [Intel-gfx] [PATCH 13/26] drm/i915: Pin engine before pinning all objects, v4 Maarten Lankhorst
2020-06-23 14:28 ` [Intel-gfx] [PATCH 14/26] drm/i915: Rework intel_context pinning to do everything outside of pin_mutex Maarten Lankhorst
2020-06-23 14:28 ` [Intel-gfx] [PATCH 15/26] drm/i915: Make sure execbuffer always passes ww state to i915_vma_pin Maarten Lankhorst
2020-06-25 14:32   ` Thomas Hellström (Intel)
2020-06-23 14:28 ` [Intel-gfx] [PATCH 16/26] drm/i915: Convert i915_gem_object/client_blt.c to use ww locking as well, v2 Maarten Lankhorst
2020-06-23 14:28 ` [Intel-gfx] [PATCH 17/26] drm/i915: Kill last user of intel_context_create_request outside of selftests Maarten Lankhorst
2020-06-23 14:28 ` [Intel-gfx] [PATCH 18/26] drm/i915: Convert i915_perf to ww locking as well Maarten Lankhorst
2020-06-23 14:28 ` [Intel-gfx] [PATCH 19/26] drm/i915: Dirty hack to fix selftests locking inversion Maarten Lankhorst
2020-06-23 14:28 ` [Intel-gfx] [PATCH 20/26] drm/i915/selftests: Fix locking inversion in lrc selftest Maarten Lankhorst
2020-06-23 14:28 ` [Intel-gfx] [PATCH 21/26] drm/i915: Use ww pinning for intel_context_create_request() Maarten Lankhorst
2020-06-23 14:28 ` [Intel-gfx] [PATCH 22/26] drm/i915: Move i915_vma_lock in the selftests to avoid lock inversion, v2 Maarten Lankhorst
2020-06-23 14:28 ` [Intel-gfx] [PATCH 23/26] drm/i915: Add ww locking to vm_fault_gtt Maarten Lankhorst
2020-06-23 14:28 ` [Intel-gfx] [PATCH 24/26] drm/i915: Add ww locking to pin_to_display_plane Maarten Lankhorst
2020-06-23 14:28 ` Maarten Lankhorst [this message]
2020-06-23 14:28 ` [Intel-gfx] [PATCH 26/26] drm/i915: Kill context before taking ctx->mutex Maarten Lankhorst
2020-06-24 11:05   ` [Intel-gfx] [PATCH] " Maarten Lankhorst
2020-06-30 14:16     ` Tvrtko Ursulin
2020-07-02 13:26       ` Maarten Lankhorst
2020-07-02 14:51         ` Tvrtko Ursulin
2020-07-03 10:35           ` Maarten Lankhorst
2020-06-23 15:23 ` [Intel-gfx] [PATCH 01/26] Revert "drm/i915/gem: Async GPU relocations only" Chris Wilson
2020-06-24 11:19   ` Chris Wilson
2020-06-23 15:39 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for series starting with [01/26] " Patchwork
2020-06-24 11:58 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for series starting with [01/26] Revert "drm/i915/gem: Async GPU relocations only" (rev2) Patchwork
2020-06-24 11:59 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2020-06-24 12:48 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork
2020-07-01 13:10 ` [Intel-gfx] ✗ Fi.CI.IGT: " Patchwork

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