drm/i915: Start exploiting drm_device subclassing

Baby step, update to_i915() conversion from drm_device to
drm_i915_private:

   text	   data	    bss	    dec	    hex	filename
1108812	  23207	    416	1132435	 114793	i915.ko (before)
1104999	  23207	    416	1128622	 1138ae	i915.ko (after)

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1466773227-7994-9-git-send-email-chris@chris-wilson.co.uk

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 520ee8a6bb7ababd6d389f4a0c15d81a0b3c55da..e0fc47b8b7ee77dd3e32e63b7e29cc5c828edd02 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2046,7 +2046,7 @@ struct drm_i915_private {
 
 static inline struct drm_i915_private *to_i915(const struct drm_device *dev)
 {
-       return dev->dev_private;
+       return container_of(dev, struct drm_i915_private, drm);
 }
 
 static inline struct drm_i915_private *dev_to_i915(struct device *dev)
@@ -2622,7 +2622,7 @@ struct drm_i915_cmd_table {
 #define INTEL_DEVID(p) (INTEL_INFO(p)->device_id)
 
 #define REVID_FOREVER          0xff
-#define INTEL_REVID(p) (__I915__(p)->dev->pdev->revision)
+#define INTEL_REVID(p) (__I915__(p)->drm.pdev->revision)
 
 #define GEN_FOREVER (0)
 /*
@@ -3501,7 +3501,7 @@ i915_gem_context_lookup(struct drm_i915_file_private *file_priv, u32 id)
 {
        struct i915_gem_context *ctx;
 
-       lockdep_assert_held(&file_priv->dev_priv->dev->struct_mutex);
+       lockdep_assert_held(&file_priv->dev_priv->drm.struct_mutex);
 
        ctx = idr_find(&file_priv->context_idr, id);
        if (!ctx)
@@ -3517,7 +3517,7 @@ static inline void i915_gem_context_reference(struct i915_gem_context *ctx)
 
 static inline void i915_gem_context_unreference(struct i915_gem_context *ctx)
 {
-       lockdep_assert_held(&ctx->i915->dev->struct_mutex);
+       lockdep_assert_held(&ctx->i915->drm.struct_mutex);
        kref_put(&ctx->ref, i915_gem_context_free);
 }
 
@@ -3593,7 +3593,7 @@ void i915_gem_shrinker_cleanup(struct drm_i915_private *dev_priv);
 /* i915_gem_tiling.c */
 static inline bool i915_gem_object_needs_bit17_swizzle(struct drm_i915_gem_object *obj)
 {
-       struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(obj->base.dev);
 
        return dev_priv->mm.bit_6_swizzle_x == I915_BIT_6_SWIZZLE_9_10_17 &&
                obj->tiling_mode != I915_TILING_NONE;