From: Ben Widawsky Date: Fri, 6 Dec 2013 22:10:55 +0000 (-0800) Subject: drm/i915: Make pin count per VMA X-Git-Tag: v3.15-rc1~51^2~62^2~80^2~46 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d7f46fc4e7323887494db13f063a8e59861fefb0;p=pandora-kernel.git drm/i915: Make pin count per VMA Signed-off-by: Ben Widawsky Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 13accf795548..4c610eeb5459 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -100,7 +100,7 @@ static const char *get_pin_flag(struct drm_i915_gem_object *obj) { if (obj->user_pin_count > 0) return "P"; - else if (obj->pin_count > 0) + else if (i915_gem_obj_is_pinned(obj)) return "p"; else return " "; @@ -125,6 +125,8 @@ static void describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) { struct i915_vma *vma; + int pin_count = 0; + seq_printf(m, "%pK: %s%s%s %8zdKiB %02x %02x %u %u %u%s%s%s", &obj->base, get_pin_flag(obj), @@ -141,8 +143,10 @@ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) obj->madv == I915_MADV_DONTNEED ? " purgeable" : ""); if (obj->base.name) seq_printf(m, " (name: %d)", obj->base.name); - if (obj->pin_count) - seq_printf(m, " (pinned x %d)", obj->pin_count); + list_for_each_entry(vma, &obj->vma_list, vma_link) + if (vma->pin_count > 0) + pin_count++; + seq_printf(m, " (pinned x %d)", pin_count); if (obj->pin_display) seq_printf(m, " (display)"); if (obj->fence_reg != I915_FENCE_REG_NONE) @@ -439,7 +443,7 @@ static int i915_gem_gtt_info(struct seq_file *m, void *data) total_obj_size = total_gtt_size = count = 0; list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) { - if (list == PINNED_LIST && obj->pin_count == 0) + if (list == PINNED_LIST && !i915_gem_obj_is_pinned(obj)) continue; seq_puts(m, " "); @@ -2843,7 +2847,7 @@ i915_drop_caches_set(void *data, u64 val) list_for_each_entry(vm, &dev_priv->vm_list, global_link) { list_for_each_entry_safe(vma, x, &vm->inactive_list, mm_list) { - if (vma->obj->pin_count) + if (vma->pin_count) continue; ret = i915_vma_unbind(vma); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 780f815b6c9f..bf022c4a5773 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -651,6 +651,19 @@ struct i915_vma { unsigned long exec_handle; struct drm_i915_gem_exec_object2 *exec_entry; + /** + * How many users have pinned this object in GTT space. The following + * users can each hold at most one reference: pwrite/pread, pin_ioctl + * (via user_pin_count), execbuffer (objects are not allowed multiple + * times for the same batchbuffer), and the framebuffer code. When + * switching/pageflipping, the framebuffer code has at most two buffers + * pinned per crtc. + * + * In the worst case this is 1 + 1 + 1 + 2*2 = 7. That would fit into 3 + * bits with absolutely no headroom. So use 4 bits. + */ + unsigned int pin_count:4; +#define DRM_I915_GEM_OBJECT_MAX_PIN_COUNT 0xf }; struct i915_ctx_hang_stats { @@ -1617,18 +1630,6 @@ struct drm_i915_gem_object { */ unsigned int fence_dirty:1; - /** How many users have pinned this object in GTT space. The following - * users can each hold at most one reference: pwrite/pread, pin_ioctl - * (via user_pin_count), execbuffer (objects are not allowed multiple - * times for the same batchbuffer), and the framebuffer code. When - * switching/pageflipping, the framebuffer code has at most two buffers - * pinned per crtc. - * - * In the worst case this is 1 + 1 + 1 + 2*2 = 7. That would fit into 3 - * bits with absolutely no headroom. So use 4 bits. */ - unsigned int pin_count:4; -#define DRM_I915_GEM_OBJECT_MAX_PIN_COUNT 0xf - /** * Is the object at the current location in the gtt mappable and * fenceable? Used to avoid costly recalculations. @@ -2005,7 +2006,7 @@ int __must_check i915_gem_object_pin(struct drm_i915_gem_object *obj, uint32_t alignment, bool map_and_fenceable, bool nonblocking); -void i915_gem_object_unpin(struct drm_i915_gem_object *obj); +void i915_gem_object_ggtt_unpin(struct drm_i915_gem_object *obj); int __must_check i915_vma_unbind(struct i915_vma *vma); int __must_check i915_gem_object_ggtt_unbind(struct drm_i915_gem_object *obj); int i915_gem_object_put_pages(struct drm_i915_gem_object *obj); @@ -2168,6 +2169,13 @@ i915_gem_obj_lookup_or_create_vma(struct drm_i915_gem_object *obj, struct i915_address_space *vm); struct i915_vma *i915_gem_obj_to_ggtt(struct drm_i915_gem_object *obj); +static inline bool i915_gem_obj_is_pinned(struct drm_i915_gem_object *obj) { + struct i915_vma *vma; + list_for_each_entry(vma, &obj->vma_list, vma_link) + if (vma->pin_count > 0) + return true; + return false; +} /* Some GGTT VM helpers */ #define obj_to_ggtt(obj) \ Reading git-diff-tree failed