Re: [PATCH 08/11] drm/i915: Start exploiting drm_device subclassing

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On 27/05/16 15:00, Chris Wilson wrote:
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)

This patch on its own? Impressive!


Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
---
  drivers/gpu/drm/i915/i915_drv.h | 10 +++++-----
  1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 3f6a3648c50a..b95a10fa002a 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2033,7 +2033,7 @@ 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)
@@ -2602,7 +2602,7 @@ 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)
  /*
@@ -3439,7 +3439,7 @@ 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)
@@ -3455,7 +3455,7 @@ 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);
  }

@@ -3531,7 +3531,7 @@ 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;


Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>

Regards,

Tvrtko
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