From 93a37f20eabeea4039130527b07453038c07f471 Mon Sep 17 00:00:00 2001 From: Daniel Vetter Date: Fri, 5 Nov 2010 20:24:53 +0100 Subject: [PATCH] drm/i915: track objects in the gtt This is required to restore gtt mappings on resume when agp is gone. The right way to do this would be to make sturct drm_mm_node embeddable and use the allocation list maintained by the drm memory manager. But that's a bigger project. Getting rid of the per bo agp_mem will save more memory than this wastes, anyway. Signed-off-by: Daniel Vetter Signed-off-by: Chris Wilson --- drivers/gpu/drm/i915/i915_drv.h | 4 ++++ drivers/gpu/drm/i915/i915_gem.c | 4 ++++ 2 files changed, 8 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index b62ff5d6fa7..67ec046aeb9 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -547,6 +547,9 @@ typedef struct drm_i915_private { struct drm_mm stolen; /** Memory allocator for GTT */ struct drm_mm gtt_space; + /** List of all objects in gtt_space. Used to restore gtt + * mappings on resume */ + struct list_head gtt_list; /** End of mappable part of GTT */ unsigned long gtt_mappable_end; @@ -714,6 +717,7 @@ struct drm_i915_gem_object { /** Current space allocated to this object in the GTT, if any. */ struct drm_mm_node *gtt_space; + struct list_head gtt_list; /** This object's place on the active/flushing/inactive lists */ struct list_head ring_list; diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index b663d2da1db..07e1b25f4a8 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -95,6 +95,7 @@ static void i915_gem_info_add_gtt(struct drm_i915_private *dev_priv, min_t(size_t, obj->gtt_space->size, dev_priv->mm.gtt_mappable_end - obj->gtt_offset); } + list_add_tail(&obj->gtt_list, &dev_priv->mm.gtt_list); } static void i915_gem_info_remove_gtt(struct drm_i915_private *dev_priv, @@ -107,6 +108,7 @@ static void i915_gem_info_remove_gtt(struct drm_i915_private *dev_priv, min_t(size_t, obj->gtt_space->size, dev_priv->mm.gtt_mappable_end - obj->gtt_offset); } + list_del_init(&obj->gtt_list); } /** @@ -4604,6 +4606,7 @@ struct drm_gem_object * i915_gem_alloc_object(struct drm_device *dev, obj->base.driver_private = NULL; obj->fence_reg = I915_FENCE_REG_NONE; INIT_LIST_HEAD(&obj->mm_list); + INIT_LIST_HEAD(&obj->gtt_list); INIT_LIST_HEAD(&obj->ring_list); INIT_LIST_HEAD(&obj->gpu_write_list); obj->madv = I915_MADV_WILLNEED; @@ -4916,6 +4919,7 @@ i915_gem_load(struct drm_device *dev) INIT_LIST_HEAD(&dev_priv->mm.pinned_list); INIT_LIST_HEAD(&dev_priv->mm.fence_list); INIT_LIST_HEAD(&dev_priv->mm.deferred_free_list); + INIT_LIST_HEAD(&dev_priv->mm.gtt_list); init_ring_lists(&dev_priv->render_ring); init_ring_lists(&dev_priv->bsd_ring); init_ring_lists(&dev_priv->blt_ring); -- 2.46.0