6 files changed, 104 insertions, 3 deletions

diff --git a/drivers/gpu/drm/vmwgfx/Kconfig b/drivers/gpu/drm/vmwgfx/Kconfig
index 794ff67c570..b71bcd0bfbb 100644
--- a/drivers/gpu/drm/vmwgfx/Kconfig
+++ b/drivers/gpu/drm/vmwgfx/Kconfig
@@ -12,3 +12,11 @@ config DRM_VMWGFX
 	  This is a KMS enabled DRM driver for the VMware SVGA2
 	  virtual hardware.
 	  The compiled module will be called "vmwgfx.ko".
+
+config DRM_VMWGFX_FBCON
+	depends on DRM_VMWGFX
+	bool "Enable framebuffer console under vmwgfx by default"
+	help
+	   Choose this option if you are shipping a new vmwgfx
+	   userspace driver that supports using the kernel driver.
+
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 4d9edead01a..ba2c35dbf10 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -182,8 +182,9 @@ static struct pci_device_id vmw_pci_id_list[] = {
 	{0x15ad, 0x0405, PCI_ANY_ID, PCI_ANY_ID, 0, 0, VMWGFX_CHIP_SVGAII},
 	{0, 0, 0}
 };
+MODULE_DEVICE_TABLE(pci, vmw_pci_id_list);
 
-static int enable_fbdev;
+static int enable_fbdev = IS_ENABLED(CONFIG_DRM_VMWGFX_FBCON);
 
 static int vmw_probe(struct pci_dev *, const struct pci_device_id *);
 static void vmw_master_init(struct vmw_master *);
@@ -1154,6 +1155,11 @@ static struct drm_driver driver = {
 	.open = vmw_driver_open,
 	.preclose = vmw_preclose,
 	.postclose = vmw_postclose,
+
+	.dumb_create = vmw_dumb_create,
+	.dumb_map_offset = vmw_dumb_map_offset,
+	.dumb_destroy = vmw_dumb_destroy,
+
 	.fops = &vmwgfx_driver_fops,
 	.name = VMWGFX_DRIVER_NAME,
 	.desc = VMWGFX_DRIVER_DESC,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index d0f2c079ee2..29c984ff7f2 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -645,6 +645,16 @@ int vmw_kms_readback(struct vmw_private *dev_priv,
 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
 				struct drm_file *file_priv);
 
+int vmw_dumb_create(struct drm_file *file_priv,
+		    struct drm_device *dev,
+		    struct drm_mode_create_dumb *args);
+
+int vmw_dumb_map_offset(struct drm_file *file_priv,
+			struct drm_device *dev, uint32_t handle,
+			uint64_t *offset);
+int vmw_dumb_destroy(struct drm_file *file_priv,
+		     struct drm_device *dev,
+		     uint32_t handle);
 /**
  * Overlay control - vmwgfx_overlay.c
  */
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
index f2fb8f15e2f..7e0743358df 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
@@ -1018,7 +1018,7 @@ int vmw_event_fence_action_create(struct drm_file *file_priv,
 	}
 
 
-	event = kzalloc(sizeof(event->event), GFP_KERNEL);
+	event = kzalloc(sizeof(*event), GFP_KERNEL);
 	if (unlikely(event == NULL)) {
 		DRM_ERROR("Failed to allocate an event.\n");
 		ret = -ENOMEM;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 6b0078ffa76..c50724bd30f 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -1688,15 +1688,19 @@ int vmw_du_page_flip(struct drm_crtc *crtc,
 	struct vmw_private *dev_priv = vmw_priv(crtc->dev);
 	struct drm_framebuffer *old_fb = crtc->fb;
 	struct vmw_framebuffer *vfb = vmw_framebuffer_to_vfb(fb);
-	struct drm_file *file_priv = event->base.file_priv;
+	struct drm_file *file_priv ;
 	struct vmw_fence_obj *fence = NULL;
 	struct drm_clip_rect clips;
 	int ret;
 
+	if (event == NULL)
+		return -EINVAL;
+
 	/* require ScreenObject support for page flipping */
 	if (!dev_priv->sou_priv)
 		return -ENOSYS;
 
+	file_priv = event->base.file_priv;
 	if (!vmw_kms_screen_object_flippable(dev_priv, crtc))
 		return -EINVAL;
 
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index 22bf9a21ec7..2c6ffe0e2c0 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -1917,3 +1917,76 @@ err_ref:
 	vmw_resource_unreference(&res);
 	return ret;
 }
+
+
+int vmw_dumb_create(struct drm_file *file_priv,
+		    struct drm_device *dev,
+		    struct drm_mode_create_dumb *args)
+{
+	struct vmw_private *dev_priv = vmw_priv(dev);
+	struct vmw_master *vmaster = vmw_master(file_priv->master);
+	struct vmw_user_dma_buffer *vmw_user_bo;
+	struct ttm_buffer_object *tmp;
+	int ret;
+
+	args->pitch = args->width * ((args->bpp + 7) / 8);
+	args->size = args->pitch * args->height;
+
+	vmw_user_bo = kzalloc(sizeof(*vmw_user_bo), GFP_KERNEL);
+	if (vmw_user_bo == NULL)
+		return -ENOMEM;
+
+	ret = ttm_read_lock(&vmaster->lock, true);
+	if (ret != 0) {
+		kfree(vmw_user_bo);
+		return ret;
+	}
+
+	ret = vmw_dmabuf_init(dev_priv, &vmw_user_bo->dma, args->size,
+			      &vmw_vram_sys_placement, true,
+			      &vmw_user_dmabuf_destroy);
+	if (ret != 0)
+		goto out_no_dmabuf;
+
+	tmp = ttm_bo_reference(&vmw_user_bo->dma.base);
+	ret = ttm_base_object_init(vmw_fpriv(file_priv)->tfile,
+				   &vmw_user_bo->base,
+				   false,
+				   ttm_buffer_type,
+				   &vmw_user_dmabuf_release, NULL);
+	if (unlikely(ret != 0))
+		goto out_no_base_object;
+
+	args->handle = vmw_user_bo->base.hash.key;
+
+out_no_base_object:
+	ttm_bo_unref(&tmp);
+out_no_dmabuf:
+	ttm_read_unlock(&vmaster->lock);
+	return ret;
+}
+
+int vmw_dumb_map_offset(struct drm_file *file_priv,
+			struct drm_device *dev, uint32_t handle,
+			uint64_t *offset)
+{
+	struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
+	struct vmw_dma_buffer *out_buf;
+	int ret;
+
+	ret = vmw_user_dmabuf_lookup(tfile, handle, &out_buf);
+	if (ret != 0)
+		return -EINVAL;
+
+	*offset = out_buf->base.addr_space_offset;
+	vmw_dmabuf_unreference(&out_buf);
+	return 0;
+}
+
+int vmw_dumb_destroy(struct drm_file *file_priv,
+		     struct drm_device *dev,
+		     uint32_t handle)
+{
+	return ttm_ref_object_base_unref(vmw_fpriv(file_priv)->tfile,
+					 handle, TTM_REF_USAGE);
+}