From 23bc598253fa8e9ede6ad29304ea4ed177e9fc23 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Wed, 29 Sep 2010 16:10:57 +0100 Subject: [PATCH] drm/i915/debug: Convert i915_verify_active() to scan all lists ... and check more regularly. Signed-off-by: Chris Wilson --- drivers/gpu/drm/i915/i915_drv.h | 8 +- drivers/gpu/drm/i915/i915_gem.c | 29 +++---- drivers/gpu/drm/i915/i915_gem_debug.c | 111 +++++++++++++++++++++--- drivers/gpu/drm/i915/intel_ringbuffer.c | 4 +- 4 files changed, 113 insertions(+), 39 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index cb4e9a63c835..5ccf98095389 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -77,7 +77,7 @@ enum plane { #define WATCH_COHERENCY 0 #define WATCH_EXEC 0 #define WATCH_RELOC 0 -#define WATCH_INACTIVE 0 +#define WATCH_LISTS 0 #define WATCH_PWRITE 0 #define I915_GEM_PHYS_CURSOR_0 1 @@ -1079,10 +1079,10 @@ bool i915_gem_object_fence_offset_ok(struct drm_gem_object *obj, /* i915_gem_debug.c */ void i915_gem_dump_object(struct drm_gem_object *obj, int len, const char *where, uint32_t mark); -#if WATCH_INACTIVE -void i915_verify_inactive(struct drm_device *dev, char *file, int line); +#if WATCH_LISTS +int i915_verify_lists(struct drm_device *dev); #else -#define i915_verify_inactive(dev, file, line) +#define i915_verify_lists(dev) 0 #endif void i915_gem_object_check_coherency(struct drm_gem_object *obj, int handle); void i915_gem_dump_object(struct drm_gem_object *obj, int len, diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index fe1424c6c3fa..c3a7065947ce 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -109,6 +109,7 @@ static int i915_mutex_lock_interruptible(struct drm_device *dev) return -EAGAIN; } + WARN_ON(i915_verify_lists(dev)); return 0; } @@ -1612,7 +1613,6 @@ i915_gem_object_move_to_inactive(struct drm_gem_object *obj) drm_i915_private_t *dev_priv = dev->dev_private; struct drm_i915_gem_object *obj_priv = to_intel_bo(obj); - i915_verify_inactive(dev, __FILE__, __LINE__); if (obj_priv->pin_count != 0) list_move_tail(&obj_priv->list, &dev_priv->mm.pinned_list); else @@ -1626,7 +1626,7 @@ i915_gem_object_move_to_inactive(struct drm_gem_object *obj) obj_priv->active = 0; drm_gem_object_unreference(obj); } - i915_verify_inactive(dev, __FILE__, __LINE__); + WARN_ON(i915_verify_lists(dev)); } static void @@ -1821,6 +1821,8 @@ i915_gem_retire_requests_ring(struct drm_device *dev, list_empty(&ring->request_list)) return; + WARN_ON(i915_verify_lists(dev)); + seqno = ring->get_seqno(dev, ring); while (!list_empty(&ring->request_list)) { struct drm_i915_gem_request *request; @@ -1865,6 +1867,8 @@ i915_gem_retire_requests_ring(struct drm_device *dev, ring->user_irq_put(dev, ring); dev_priv->trace_irq_seqno = 0; } + + WARN_ON(i915_verify_lists(dev)); } void @@ -3690,8 +3694,6 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, if (ret) goto pre_mutex_err; - i915_verify_inactive(dev, __FILE__, __LINE__); - if (dev_priv->mm.suspended) { mutex_unlock(&dev->struct_mutex); ret = -EBUSY; @@ -3811,8 +3813,6 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, goto err; } - i915_verify_inactive(dev, __FILE__, __LINE__); - /* Zero the global flush/invalidate flags. These * will be modified as new domains are computed * for each object @@ -3828,8 +3828,6 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, i915_gem_object_set_to_gpu_domain(obj); } - i915_verify_inactive(dev, __FILE__, __LINE__); - if (dev->invalidate_domains | dev->flush_domains) { #if WATCH_EXEC DRM_INFO("%s: invalidate_domains %08x flush_domains %08x\n", @@ -3860,8 +3858,6 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, old_write_domain); } - i915_verify_inactive(dev, __FILE__, __LINE__); - #if WATCH_COHERENCY for (i = 0; i < args->buffer_count; i++) { i915_gem_object_check_coherency(object_list[i], @@ -3890,8 +3886,6 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, */ i915_retire_commands(dev, ring); - i915_verify_inactive(dev, __FILE__, __LINE__); - for (i = 0; i < args->buffer_count; i++) { struct drm_gem_object *obj = object_list[i]; obj_priv = to_intel_bo(obj); @@ -3902,8 +3896,6 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, i915_add_request(dev, file_priv, request, ring); request = NULL; - i915_verify_inactive(dev, __FILE__, __LINE__); - err: for (i = 0; i < pinned; i++) i915_gem_object_unpin(object_list[i]); @@ -4094,8 +4086,7 @@ i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment) int ret; BUG_ON(obj_priv->pin_count == DRM_I915_GEM_OBJECT_MAX_PIN_COUNT); - - i915_verify_inactive(dev, __FILE__, __LINE__); + WARN_ON(i915_verify_lists(dev)); if (obj_priv->gtt_space != NULL) { if (alignment == 0) @@ -4129,8 +4120,8 @@ i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment) list_move_tail(&obj_priv->list, &dev_priv->mm.pinned_list); } - i915_verify_inactive(dev, __FILE__, __LINE__); + WARN_ON(i915_verify_lists(dev)); return 0; } @@ -4141,7 +4132,7 @@ i915_gem_object_unpin(struct drm_gem_object *obj) drm_i915_private_t *dev_priv = dev->dev_private; struct drm_i915_gem_object *obj_priv = to_intel_bo(obj); - i915_verify_inactive(dev, __FILE__, __LINE__); + WARN_ON(i915_verify_lists(dev)); obj_priv->pin_count--; BUG_ON(obj_priv->pin_count < 0); BUG_ON(obj_priv->gtt_space == NULL); @@ -4157,7 +4148,7 @@ i915_gem_object_unpin(struct drm_gem_object *obj) atomic_dec(&dev->pin_count); atomic_sub(obj->size, &dev->pin_memory); } - i915_verify_inactive(dev, __FILE__, __LINE__); + WARN_ON(i915_verify_lists(dev)); } int diff --git a/drivers/gpu/drm/i915/i915_gem_debug.c b/drivers/gpu/drm/i915/i915_gem_debug.c index 2732c909a948..48644b840a8d 100644 --- a/drivers/gpu/drm/i915/i915_gem_debug.c +++ b/drivers/gpu/drm/i915/i915_gem_debug.c @@ -30,24 +30,107 @@ #include "i915_drm.h" #include "i915_drv.h" -#if WATCH_INACTIVE -void -i915_verify_inactive(struct drm_device *dev, char *file, int line) +#if WATCH_LISTS +int +i915_verify_lists(struct drm_device *dev) { + static int warned; drm_i915_private_t *dev_priv = dev->dev_private; - struct drm_gem_object *obj; - struct drm_i915_gem_object *obj_priv; - - list_for_each_entry(obj_priv, &dev_priv->mm.inactive_list, list) { - obj = &obj_priv->base; - if (obj_priv->pin_count || obj_priv->active || - (obj->write_domain & ~(I915_GEM_DOMAIN_CPU | - I915_GEM_DOMAIN_GTT))) - DRM_ERROR("inactive %p (p %d a %d w %x) %s:%d\n", + struct drm_i915_gem_object *obj; + int err = 0; + + if (warned) + return 0; + + list_for_each_entry(obj, &dev_priv->render_ring.active_list, list) { + if (obj->base.dev != dev || + !atomic_read(&obj->base.refcount.refcount)) { + DRM_ERROR("freed render active %p\n", obj); + err++; + break; + } else if (!obj->active || + (obj->base.read_domains & I915_GEM_GPU_DOMAINS) == 0) { + DRM_ERROR("invalid render active %p (a %d r %x)\n", + obj, + obj->active, + obj->base.read_domains); + err++; + } else if (obj->base.write_domain && list_empty(&obj->gpu_write_list)) { + DRM_ERROR("invalid render active %p (w %x, gwl %d)\n", + obj, + obj->base.write_domain, + !list_empty(&obj->gpu_write_list)); + err++; + } + } + + list_for_each_entry(obj, &dev_priv->mm.flushing_list, list) { + if (obj->base.dev != dev || + !atomic_read(&obj->base.refcount.refcount)) { + DRM_ERROR("freed flushing %p\n", obj); + err++; + break; + } else if (!obj->active || + (obj->base.write_domain & I915_GEM_GPU_DOMAINS) == 0 || + list_empty(&obj->gpu_write_list)){ + DRM_ERROR("invalid flushing %p (a %d w %x gwl %d)\n", + obj, + obj->active, + obj->base.write_domain, + !list_empty(&obj->gpu_write_list)); + err++; + } + } + + list_for_each_entry(obj, &dev_priv->mm.gpu_write_list, gpu_write_list) { + if (obj->base.dev != dev || + !atomic_read(&obj->base.refcount.refcount)) { + DRM_ERROR("freed gpu write %p\n", obj); + err++; + break; + } else if (!obj->active || + (obj->base.write_domain & I915_GEM_GPU_DOMAINS) == 0) { + DRM_ERROR("invalid gpu write %p (a %d w %x)\n", obj, - obj_priv->pin_count, obj_priv->active, - obj->write_domain, file, line); + obj->active, + obj->base.write_domain); + err++; + } + } + + list_for_each_entry(obj, &dev_priv->mm.inactive_list, list) { + if (obj->base.dev != dev || + !atomic_read(&obj->base.refcount.refcount)) { + DRM_ERROR("freed inactive %p\n", obj); + err++; + break; + } else if (obj->pin_count || obj->active || + (obj->base.write_domain & I915_GEM_GPU_DOMAINS)) { + DRM_ERROR("invalid inactive %p (p %d a %d w %x)\n", + obj, + obj->pin_count, obj->active, + obj->base.write_domain); + err++; + } } + + list_for_each_entry(obj, &dev_priv->mm.pinned_list, list) { + if (obj->base.dev != dev || + !atomic_read(&obj->base.refcount.refcount)) { + DRM_ERROR("freed pinned %p\n", obj); + err++; + break; + } else if (!obj->pin_count || obj->active || + (obj->base.write_domain & I915_GEM_GPU_DOMAINS)) { + DRM_ERROR("invalid pinned %p (p %d a %d w %x)\n", + obj, + obj->pin_count, obj->active, + obj->base.write_domain); + err++; + } + } + + return warned = err; } #endif /* WATCH_INACTIVE */ diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 5103b95cea93..d89b88791aac 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -579,6 +579,8 @@ int intel_init_ring_buffer(struct drm_device *dev, int ret; ring->dev = dev; + INIT_LIST_HEAD(&ring->active_list); + INIT_LIST_HEAD(&ring->request_list); if (I915_NEED_GFX_HWS(dev)) { ret = init_status_page(dev, ring); @@ -627,8 +629,6 @@ int intel_init_ring_buffer(struct drm_device *dev, if (ring->space < 0) ring->space += ring->size; } - INIT_LIST_HEAD(&ring->active_list); - INIT_LIST_HEAD(&ring->request_list); return ret; err_unmap: -- 2.39.2