drm/amdgpu: Get DRM dev from adev by inline-f

Add a static inline adev_to_drm() to obtain
the DRM device pointer from an amdgpu_device pointer.

Signed-off-by: Luben Tuikov <luben.tuikov@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu.h

@@ -991,6 +991,11 @@ static inline struct amdgpu_device *drm_to_adev(struct drm_device *ddev)
 	return ddev->dev_private;
 }
 
+static inline struct drm_device *adev_to_drm(struct amdgpu_device *adev)
+{
+	return adev->ddev;
+}
+
 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev)
 {
 	return container_of(bdev, struct amdgpu_device, mman.bdev);

drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c

@@ -463,11 +463,11 @@ static int amdgpu_atif_handler(struct amdgpu_device *adev,
 
 		if (req.pending & ATIF_DGPU_DISPLAY_EVENT) {
 			if (adev->flags & AMD_IS_PX) {
-				pm_runtime_get_sync(adev->ddev->dev);
+				pm_runtime_get_sync(adev_to_drm(adev)->dev);
 				/* Just fire off a uevent and let userspace tell us what to do */
-				drm_helper_hpd_irq_event(adev->ddev);
-				pm_runtime_mark_last_busy(adev->ddev->dev);
-				pm_runtime_put_autosuspend(adev->ddev->dev);
+				drm_helper_hpd_irq_event(adev_to_drm(adev));
+				pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+				pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
 			}
 		}
 		/* TODO: check other events */
@@ -817,7 +817,7 @@ int amdgpu_acpi_init(struct amdgpu_device *adev)
 			struct drm_encoder *tmp;
 
 			/* Find the encoder controlling the brightness */
-			list_for_each_entry(tmp, &adev->ddev->mode_config.encoder_list,
+			list_for_each_entry(tmp, &adev_to_drm(adev)->mode_config.encoder_list,
 					    head) {
 				struct amdgpu_encoder *enc = to_amdgpu_encoder(tmp);
 

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c

@@ -119,7 +119,7 @@ void amdgpu_amdkfd_device_init(struct amdgpu_device *adev)
 			.gpuvm_size = min(adev->vm_manager.max_pfn
 					  << AMDGPU_GPU_PAGE_SHIFT,
 					  AMDGPU_GMC_HOLE_START),
-			.drm_render_minor = adev->ddev->render->index,
+			.drm_render_minor = adev_to_drm(adev)->render->index,
 			.sdma_doorbell_idx = adev->doorbell_index.sdma_engine,
 
 		};
@@ -160,7 +160,7 @@ void amdgpu_amdkfd_device_init(struct amdgpu_device *adev)
 					adev->doorbell_index.last_non_cp;
 		}
 
-		kgd2kfd_device_init(adev->kfd.dev, adev->ddev, &gpu_resources);
+		kgd2kfd_device_init(adev->kfd.dev, adev_to_drm(adev), &gpu_resources);
 	}
 }
 
@@ -479,7 +479,7 @@ int amdgpu_amdkfd_get_dmabuf_info(struct kgd_dev *kgd, int dma_buf_fd,
 		goto out_put;
 
 	obj = dma_buf->priv;
-	if (obj->dev->driver != adev->ddev->driver)
+	if (obj->dev->driver != adev_to_drm(adev)->driver)
 		/* Can't handle buffers from different drivers */
 		goto out_put;
 

drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c

@@ -148,7 +148,7 @@ void amdgpu_atombios_i2c_init(struct amdgpu_device *adev)
 
 			if (i2c.valid) {
 				sprintf(stmp, "0x%x", i2c.i2c_id);
-				adev->i2c_bus[i] = amdgpu_i2c_create(adev->ddev, &i2c, stmp);
+				adev->i2c_bus[i] = amdgpu_i2c_create(adev_to_drm(adev), &i2c, stmp);
 			}
 			gpio = (ATOM_GPIO_I2C_ASSIGMENT *)
 				((u8 *)gpio + sizeof(ATOM_GPIO_I2C_ASSIGMENT));
@@ -541,7 +541,7 @@ bool amdgpu_atombios_get_connector_info_from_object_table(struct amdgpu_device *
 		}
 	}
 
-	amdgpu_link_encoder_connector(adev->ddev);
+	amdgpu_link_encoder_connector(adev_to_drm(adev));
 
 	return true;
 }
@@ -1995,7 +1995,7 @@ int amdgpu_atombios_init(struct amdgpu_device *adev)
 		return -ENOMEM;
 
 	adev->mode_info.atom_card_info = atom_card_info;
-	atom_card_info->dev = adev->ddev;
+	atom_card_info->dev = adev_to_drm(adev);
 	atom_card_info->reg_read = cail_reg_read;
 	atom_card_info->reg_write = cail_reg_write;
 	/* needed for iio ops */

drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c

@@ -1521,7 +1521,7 @@ amdgpu_connector_add(struct amdgpu_device *adev,
 		      struct amdgpu_hpd *hpd,
 		      struct amdgpu_router *router)
 {
-	struct drm_device *dev = adev->ddev;
+	struct drm_device *dev = adev_to_drm(adev);
 	struct drm_connector *connector;
 	struct drm_connector_list_iter iter;
 	struct amdgpu_connector *amdgpu_connector;