This migrates the fence tracking onto the existing seqno infrastructure so that the later conversion to tracking via requests is simplified.
Signed-off-by: Chris Wilson <[email protected]> --- drivers/gpu/drm/i915/i915_drv.h | 7 ------ drivers/gpu/drm/i915/i915_gem.c | 17 --------------- drivers/gpu/drm/i915/i915_gem_execbuffer.c | 34 +++++++++++++++++------------- drivers/gpu/drm/i915/i915_gem_tiling.c | 2 +- 4 files changed, 20 insertions(+), 40 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index fab97bc3215f..5c3f033ff928 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1777,13 +1777,6 @@ struct drm_i915_gem_object { * Only honoured if hardware has relevant pte bit */ unsigned long gt_ro:1; - - /* - * Is the GPU currently using a fence to access this buffer, - */ - unsigned int pending_fenced_gpu_access:1; - unsigned int fenced_gpu_access:1; - unsigned int cache_level:3; unsigned int has_aliasing_ppgtt_mapping:1; diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 6366230c4e32..e808b449ac75 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2163,8 +2163,6 @@ static void i915_gem_object_move_to_active(struct drm_i915_gem_object *obj, struct intel_engine_cs *ring) { - struct drm_device *dev = obj->base.dev; - struct drm_i915_private *dev_priv = dev->dev_private; u32 seqno = intel_ring_get_seqno(ring); BUG_ON(ring == NULL); @@ -2183,19 +2181,6 @@ i915_gem_object_move_to_active(struct drm_i915_gem_object *obj, list_move_tail(&obj->ring_list, &ring->active_list); obj->last_read_seqno = seqno; - - if (obj->fenced_gpu_access) { - obj->last_fenced_seqno = seqno; - - /* Bump MRU to take account of the delayed flush */ - if (obj->fence_reg != I915_FENCE_REG_NONE) { - struct drm_i915_fence_reg *reg; - - reg = &dev_priv->fence_regs[obj->fence_reg]; - list_move_tail(®->lru_list, - &dev_priv->mm.fence_list); - } - } } void i915_vma_move_to_active(struct i915_vma *vma, @@ -2231,7 +2216,6 @@ i915_gem_object_move_to_inactive(struct drm_i915_gem_object *obj) obj->base.write_domain = 0; obj->last_fenced_seqno = 0; - obj->fenced_gpu_access = false; obj->active = 0; drm_gem_object_unreference(&obj->base); @@ -3176,7 +3160,6 @@ i915_gem_object_wait_fence(struct drm_i915_gem_object *obj) obj->last_fenced_seqno = 0; } - obj->fenced_gpu_access = false; return 0; } diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index 87e9599f9e4b..fbac7b51736c 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -542,7 +542,6 @@ i915_gem_execbuffer_reserve_vma(struct i915_vma *vma, { struct drm_i915_gem_object *obj = vma->obj; struct drm_i915_gem_exec_object2 *entry = vma->exec_entry; - bool has_fenced_gpu_access = INTEL_INFO(ring->dev)->gen < 4; uint64_t flags; int ret; @@ -560,17 +559,13 @@ i915_gem_execbuffer_reserve_vma(struct i915_vma *vma, entry->flags |= __EXEC_OBJECT_HAS_PIN; - if (has_fenced_gpu_access) { - if (entry->flags & EXEC_OBJECT_NEEDS_FENCE) { - ret = i915_gem_object_get_fence(obj); - if (ret) - return ret; - - if (i915_gem_object_pin_fence(obj)) - entry->flags |= __EXEC_OBJECT_HAS_FENCE; + if (entry->flags & EXEC_OBJECT_NEEDS_FENCE) { + ret = i915_gem_object_get_fence(obj); + if (ret) + return ret; - obj->pending_fenced_gpu_access = true; - } + if (i915_gem_object_pin_fence(obj)) + entry->flags |= __EXEC_OBJECT_HAS_FENCE; } if (entry->offset != vma->node.start) { @@ -658,8 +653,9 @@ i915_gem_execbuffer_reserve(struct intel_engine_cs *ring, obj = vma->obj; entry = vma->exec_entry; + if (!has_fenced_gpu_access) + entry->flags &= ~EXEC_OBJECT_NEEDS_FENCE; need_fence = - has_fenced_gpu_access && entry->flags & EXEC_OBJECT_NEEDS_FENCE && obj->tiling_mode != I915_TILING_NONE; need_mappable = need_fence || need_reloc_mappable(vma); @@ -672,7 +668,6 @@ i915_gem_execbuffer_reserve(struct intel_engine_cs *ring, obj->base.pending_read_domains = I915_GEM_GPU_DOMAINS & ~I915_GEM_DOMAIN_COMMAND; obj->base.pending_write_domain = 0; - obj->pending_fenced_gpu_access = false; } list_splice(&ordered_vmas, vmas); @@ -959,9 +954,11 @@ static void i915_gem_execbuffer_move_to_active(struct list_head *vmas, struct intel_engine_cs *ring) { + u32 seqno = intel_ring_get_seqno(ring); struct i915_vma *vma; list_for_each_entry(vma, vmas, exec_list) { + struct drm_i915_gem_exec_object2 *entry = vma->exec_entry; struct drm_i915_gem_object *obj = vma->obj; u32 old_read = obj->base.read_domains; u32 old_write = obj->base.write_domain; @@ -970,18 +967,25 @@ i915_gem_execbuffer_move_to_active(struct list_head *vmas, if (obj->base.write_domain == 0) obj->base.pending_read_domains |= obj->base.read_domains; obj->base.read_domains = obj->base.pending_read_domains; - obj->fenced_gpu_access = obj->pending_fenced_gpu_access; i915_vma_move_to_active(vma, ring); if (obj->base.write_domain) { obj->dirty = 1; - obj->last_write_seqno = intel_ring_get_seqno(ring); + obj->last_write_seqno = seqno; intel_fb_obj_invalidate(obj, ring); /* update for the implicit flush after a batch */ obj->base.write_domain &= ~I915_GEM_GPU_DOMAINS; } + if (entry->flags & EXEC_OBJECT_NEEDS_FENCE) { + obj->last_fenced_seqno = seqno; + if (entry->flags & __EXEC_OBJECT_HAS_FENCE) { + struct drm_i915_private *dev_priv = to_i915(ring->dev); + list_move_tail(&dev_priv->fence_regs[obj->fence_reg].lru_list, + &dev_priv->mm.fence_list); + } + } trace_i915_gem_object_change_domain(obj, old_read, old_write); } diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c index cb150e8b4336..7e623bf097a1 100644 --- a/drivers/gpu/drm/i915/i915_gem_tiling.c +++ b/drivers/gpu/drm/i915/i915_gem_tiling.c @@ -376,7 +376,7 @@ i915_gem_set_tiling(struct drm_device *dev, void *data, if (ret == 0) { obj->fence_dirty = - obj->fenced_gpu_access || + obj->last_fenced_seqno || obj->fence_reg != I915_FENCE_REG_NONE; obj->tiling_mode = args->tiling_mode; -- 2.1.0.rc1 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
