drm: qxl: Drop duplicated device pointer attribute

qxl_device duplicates a pointer to struct device, which is not needed
since we already have it in the drm_device structure.  Clean it up.
Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170127010548.27970-2-krisman@collabora.co.ukSigned-off-by: Gerd Hoffmann <kraxel@redhat.com>

drivers/gpu/drm/qxl/qxl_drv.h

@@ -242,7 +242,6 @@ void qxl_debugfs_remove_files(struct qxl_device *qdev);
 struct qxl_device;
 
 struct qxl_device {
-	struct device			*dev;
 	struct drm_device		*ddev;
 	struct pci_dev			*pdev;
 	unsigned long flags;

drivers/gpu/drm/qxl/qxl_kms.c

@@ -122,7 +122,6 @@ int qxl_device_init(struct qxl_device *qdev,
 {
 	int r, sb;
 
-	qdev->dev = &pdev->dev;
 	qdev->ddev = ddev;
 	qdev->pdev = pdev;
 	qdev->flags = flags;

drivers/gpu/drm/qxl/qxl_object.c

@@ -113,7 +113,7 @@ int qxl_bo_create(struct qxl_device *qdev,
 			NULL, NULL, &qxl_ttm_bo_destroy);
 	if (unlikely(r != 0)) {
 		if (r != -ERESTARTSYS)
-			dev_err(qdev->dev,
+			dev_err(qdev->ddev->dev,
 				"object_init failed for (%lu, 0x%08X)\n",
 				size, domain);
 		return r;
@@ -223,7 +223,7 @@ struct qxl_bo *qxl_bo_ref(struct qxl_bo *bo)
 
 int qxl_bo_pin(struct qxl_bo *bo, u32 domain, u64 *gpu_addr)
 {
-	struct qxl_device *qdev = (struct qxl_device *)bo->gem_base.dev->dev_private;
+	struct drm_device *ddev = bo->gem_base.dev;
 	int r;
 
 	if (bo->pin_count) {
@@ -240,17 +240,17 @@ int qxl_bo_pin(struct qxl_bo *bo, u32 domain, u64 *gpu_addr)
 			*gpu_addr = qxl_bo_gpu_offset(bo);
 	}
 	if (unlikely(r != 0))
-		dev_err(qdev->dev, "%p pin failed\n", bo);
+		dev_err(ddev->dev, "%p pin failed\n", bo);
 	return r;
 }
 
 int qxl_bo_unpin(struct qxl_bo *bo)
 {
-	struct qxl_device *qdev = (struct qxl_device *)bo->gem_base.dev->dev_private;
+	struct drm_device *ddev = bo->gem_base.dev;
 	int r, i;
 
 	if (!bo->pin_count) {
-		dev_warn(qdev->dev, "%p unpin not necessary\n", bo);
+		dev_warn(ddev->dev, "%p unpin not necessary\n", bo);
 		return 0;
 	}
 	bo->pin_count--;
@@ -260,7 +260,7 @@ int qxl_bo_unpin(struct qxl_bo *bo)
 		bo->placements[i].flags &= ~TTM_PL_FLAG_NO_EVICT;
 	r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
 	if (unlikely(r != 0))
-		dev_err(qdev->dev, "%p validate failed for unpin\n", bo);
+		dev_err(ddev->dev, "%p validate failed for unpin\n", bo);
 	return r;
 }
 
@@ -270,9 +270,9 @@ void qxl_bo_force_delete(struct qxl_device *qdev)
 
 	if (list_empty(&qdev->gem.objects))
 		return;
-	dev_err(qdev->dev, "Userspace still has active objects !\n");
+	dev_err(qdev->ddev->dev, "Userspace still has active objects !\n");
 	list_for_each_entry_safe(bo, n, &qdev->gem.objects, list) {
-		dev_err(qdev->dev, "%p %p %lu %lu force free\n",
+		dev_err(qdev->ddev->dev, "%p %p %lu %lu force free\n",
 			&bo->gem_base, bo, (unsigned long)bo->gem_base.size,
 			*((unsigned long *)&bo->gem_base.refcount));
 		mutex_lock(&qdev->gem.mutex);

drivers/gpu/drm/qxl/qxl_object.h

@@ -34,8 +34,8 @@ static inline int qxl_bo_reserve(struct qxl_bo *bo, bool no_wait)
 	r = ttm_bo_reserve(&bo->tbo, true, no_wait, NULL);
 	if (unlikely(r != 0)) {
 		if (r != -ERESTARTSYS) {
-			struct qxl_device *qdev = (struct qxl_device *)bo->gem_base.dev->dev_private;
-			dev_err(qdev->dev, "%p reserve failed\n", bo);
+			struct drm_device *ddev = bo->gem_base.dev;
+			dev_err(ddev->dev, "%p reserve failed\n", bo);
 		}
 		return r;
 	}
@@ -70,8 +70,8 @@ static inline int qxl_bo_wait(struct qxl_bo *bo, u32 *mem_type,
 	r = ttm_bo_reserve(&bo->tbo, true, no_wait, NULL);
 	if (unlikely(r != 0)) {
 		if (r != -ERESTARTSYS) {
-			struct qxl_device *qdev = (struct qxl_device *)bo->gem_base.dev->dev_private;
-			dev_err(qdev->dev, "%p reserve failed for wait\n",
+			struct drm_device *ddev = bo->gem_base.dev;
+			dev_err(ddev->dev, "%p reserve failed for wait\n",
 				bo);
 		}
 		return r;