Tha one is really big, since it contains tons of comments explaining
how things work. Which is nice ;-)
Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
drivers/gpu/drm/i915/i915_drv.h | 212 ++++++++++++++++++++--------------------
1 file changed, 107 insertions(+), 105 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index db6d71c..1b0a464 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -612,6 +612,112 @@ struct intel_l3_parity {
struct work_struct error_work;
};
+struct i915_gem_mm {
+ /** Bridge to intel-gtt-ko */
+ struct intel_gtt *gtt;
+ /** Memory allocator for GTT stolen memory */
+ 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 bound_list;
+ /**
+ * List of objects which are not bound to the GTT (thus
+ * are idle and not used by the GPU) but still have
+ * (presumably uncached) pages still attached.
+ */
+ struct list_head unbound_list;
+
+ /** Usable portion of the GTT for GEM */
+ unsigned long gtt_start;
+ unsigned long gtt_mappable_end;
+ unsigned long gtt_end;
+
+ struct io_mapping *gtt_mapping;
+ phys_addr_t gtt_base_addr;
+ int gtt_mtrr;
+
+ /** PPGTT used for aliasing the PPGTT with the GTT */
+ struct i915_hw_ppgtt *aliasing_ppgtt;
+
+ struct shrinker inactive_shrinker;
+
+ /**
+ * List of objects currently involved in rendering.
+ *
+ * Includes buffers having the contents of their GPU caches
+ * flushed, not necessarily primitives. last_rendering_seqno
+ * represents when the rendering involved will be completed.
+ *
+ * A reference is held on the buffer while on this list.
+ */
+ struct list_head active_list;
+
+ /**
+ * LRU list of objects which are not in the ringbuffer and
+ * are ready to unbind, but are still in the GTT.
+ *
+ * last_rendering_seqno is 0 while an object is in this list.
+ *
+ * A reference is not held on the buffer while on this list,
+ * as merely being GTT-bound shouldn't prevent its being
+ * freed, and we'll pull it off the list in the free path.
+ */
+ struct list_head inactive_list;
+
+ /** LRU list of objects with fence regs on them. */
+ struct list_head fence_list;
+
+ /**
+ * We leave the user IRQ off as much as possible,
+ * but this means that requests will finish and never
+ * be retired once the system goes idle. Set a timer to
+ * fire periodically while the ring is running. When it
+ * fires, go retire requests.
+ */
+ struct delayed_work retire_work;
+
+ /**
+ * Are we in a non-interruptible section of code like
+ * modesetting?
+ */
+ bool interruptible;
+
+ /**
+ * Flag if the X Server, and thus DRM, is not currently in
+ * control of the device.
+ *
+ * This is set between LeaveVT and EnterVT. It needs to be
+ * replaced with a semaphore. It also needs to be
+ * transitioned away from for kernel modesetting.
+ */
+ int suspended;
+
+ /**
+ * Flag if the hardware appears to be wedged.
+ *
+ * This is set when attempts to idle the device timeout.
+ * It prevents command submission from occurring and makes
+ * every pending request fail
+ */
+ atomic_t wedged;
+
+ /** Bit 6 swizzling required for X tiling */
+ uint32_t bit_6_swizzle_x;
+ /** Bit 6 swizzling required for Y tiling */
+ uint32_t bit_6_swizzle_y;
+
+ /* storage for physical objects */
+ struct drm_i915_gem_phys_object *phys_objs[I915_MAX_PHYS_OBJECT];
+
+ /* accounting, useful for userland debugging */
+ size_t gtt_total;
+ size_t mappable_gtt_total;
+ size_t object_memory;
+ u32 object_count;
+};
+
typedef struct drm_i915_private {
struct drm_device *dev;
@@ -744,111 +850,7 @@ typedef struct drm_i915_private {
/* Register state */
bool modeset_on_lid;
- struct {
- /** Bridge to intel-gtt-ko */
- struct intel_gtt *gtt;
- /** Memory allocator for GTT stolen memory */
- 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 bound_list;
- /**
- * List of objects which are not bound to the GTT (thus
- * are idle and not used by the GPU) but still have
- * (presumably uncached) pages still attached.
- */
- struct list_head unbound_list;
-
- /** Usable portion of the GTT for GEM */
- unsigned long gtt_start;
- unsigned long gtt_mappable_end;
- unsigned long gtt_end;
-
- struct io_mapping *gtt_mapping;
- phys_addr_t gtt_base_addr;
- int gtt_mtrr;
-
- /** PPGTT used for aliasing the PPGTT with the GTT */
- struct i915_hw_ppgtt *aliasing_ppgtt;
-
- struct shrinker inactive_shrinker;
-
- /**
- * List of objects currently involved in rendering.
- *
- * Includes buffers having the contents of their GPU caches
- * flushed, not necessarily primitives. last_rendering_seqno
- * represents when the rendering involved will be completed.
- *
- * A reference is held on the buffer while on this list.
- */
- struct list_head active_list;
-
- /**
- * LRU list of objects which are not in the ringbuffer and
- * are ready to unbind, but are still in the GTT.
- *
- * last_rendering_seqno is 0 while an object is in this list.
- *
- * A reference is not held on the buffer while on this list,
- * as merely being GTT-bound shouldn't prevent its being
- * freed, and we'll pull it off the list in the free path.
- */
- struct list_head inactive_list;
-
- /** LRU list of objects with fence regs on them. */
- struct list_head fence_list;
-
- /**
- * We leave the user IRQ off as much as possible,
- * but this means that requests will finish and never
- * be retired once the system goes idle. Set a timer to
- * fire periodically while the ring is running. When it
- * fires, go retire requests.
- */
- struct delayed_work retire_work;
-
- /**
- * Are we in a non-interruptible section of code like
- * modesetting?
- */
- bool interruptible;
-
- /**
- * Flag if the X Server, and thus DRM, is not currently in
- * control of the device.
- *
- * This is set between LeaveVT and EnterVT. It needs to be
- * replaced with a semaphore. It also needs to be
- * transitioned away from for kernel modesetting.
- */
- int suspended;
-
- /**
- * Flag if the hardware appears to be wedged.
- *
- * This is set when attempts to idle the device timeout.
- * It prevents command submission from occurring and makes
- * every pending request fail
- */
- atomic_t wedged;
-
- /** Bit 6 swizzling required for X tiling */
- uint32_t bit_6_swizzle_x;
- /** Bit 6 swizzling required for Y tiling */
- uint32_t bit_6_swizzle_y;
-
- /* storage for physical objects */
- struct drm_i915_gem_phys_object *phys_objs[I915_MAX_PHYS_OBJECT];
-
- /* accounting, useful for userland debugging */
- size_t gtt_total;
- size_t mappable_gtt_total;
- size_t object_memory;
- u32 object_count;
- } mm;
+ struct i915_gem_mm mm;
/* Kernel Modesetting */
--
1.7.11.4
