drm/i915: add dev_priv to intel_gmbus

This way we can free up the bus->adaptor.algo_data pointer and make it
available for use with the bitbanging fallback algo.

Reviewed-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

2 files changed, 11 insertions, 8 deletions

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 35833fc350de..3cc2694a2b93 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -298,6 +298,13 @@ enum intel_pch {
 struct intel_fbdev;
 struct intel_fbc_work;
 
+struct intel_gmbus {
+        struct i2c_adapter adapter;
+        struct i2c_adapter *force_bit;
+        u32 reg0;
+        struct drm_i915_private *dev_priv;
+};
+
 typedef struct drm_i915_private {
         struct drm_device *dev;
 
@@ -315,11 +322,7 @@ typedef struct drm_i915_private {
         /** gt_lock is also taken in irq contexts. */
         struct spinlock gt_lock;
 
-        struct intel_gmbus {
-                struct i2c_adapter adapter;
-                struct i2c_adapter *force_bit;
-                u32 reg0;
-        } *gmbus;
+        struct intel_gmbus *gmbus;
 
         /** gmbus_mutex protects against concurrent usage of the single hw gmbus
          * controller on different i2c buses. */
diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c
index 4e4ddd5d1f51..89346cc0bc4b 100644
--- a/drivers/gpu/drm/i915/intel_i2c.c
+++ b/drivers/gpu/drm/i915/intel_i2c.c
@@ -232,7 +232,7 @@ gmbus_xfer(struct i2c_adapter *adapter,
         struct intel_gmbus *bus = container_of(adapter,
                                                struct intel_gmbus,
                                                adapter);
-        struct drm_i915_private *dev_priv = adapter->algo_data;
+        struct drm_i915_private *dev_priv = bus->dev_priv;
         int i, reg_offset, ret;
 
         mutex_lock(&dev_priv->gmbus_mutex);
@@ -406,7 +406,7 @@ int intel_setup_gmbus(struct drm_device *dev)
                          names[i]);
 
                 bus->adapter.dev.parent = &dev->pdev->dev;
-                bus->adapter.algo_data  = dev_priv;
+                bus->dev_priv = dev_priv;
 
                 bus->adapter.algo = &gmbus_algorithm;
                 ret = i2c_add_adapter(&bus->adapter);
@@ -447,7 +447,7 @@ void intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit)
 
         if (force_bit) {
                 if (bus->force_bit == NULL) {
-                        struct drm_i915_private *dev_priv = adapter->algo_data;
+                        struct drm_i915_private *dev_priv = bus->dev_priv;
                         bus->force_bit = intel_gpio_create(dev_priv,
                                                            bus->reg0 & 0xff);
                 }