drm/hisilicon/hibmc: Remove hibmc_ttm.c

The file is not in use. It got re-added by a rebased patch. Removing
it.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Fixes: 4d4dad21 ("drm/hibmc: Remove references to struct drm_device.pdev")
Reviewed-by: Tian Tao <tiantao6@hisilicon.com>
Reported-by: Tian Tao <tiantao6@hisilicon.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Xinliang Liu <xinliang.liu@linaro.org>
Cc: Tian Tao  <tiantao6@hisilicon.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Xinwei Kong <kong.kongxinwei@hisilicon.com>
Cc: Chen Feng <puck.chen@hisilicon.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Gong junjie <gongjunjie2@huawei.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210113113107.12005-1-tzimmermann@suse.de

drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c

-// SPDX-License-Identifier: GPL-2.0-or-later
-/* Hisilicon Hibmc SoC drm driver
- *
- * Based on the bochs drm driver.
- *
- * Copyright (c) 2016 Huawei Limited.
- *
- * Author:
- *	Rongrong Zou <zourongrong@huawei.com>
- *	Rongrong Zou <zourongrong@gmail.com>
- *	Jianhua Li <lijianhua@huawei.com>
- */
-
-#include <linux/pci.h>
-
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_gem.h>
-#include <drm/drm_gem_framebuffer_helper.h>
-#include <drm/drm_gem_vram_helper.h>
-#include <drm/drm_print.h>
-
-#include "hibmc_drm_drv.h"
-
-int hibmc_mm_init(struct hibmc_drm_private *hibmc)
-{
-	struct drm_vram_mm *vmm;
-	int ret;
-	struct drm_device *dev = hibmc->dev;
-	struct pci_dev *pdev = to_pci_dev(dev->dev);
-
-	vmm = drm_vram_helper_alloc_mm(dev, pci_resource_start(pdev, 0),
-				       hibmc->fb_size);
-	if (IS_ERR(vmm)) {
-		ret = PTR_ERR(vmm);
-		drm_err(dev, "Error initializing VRAM MM; %d\n", ret);
-		return ret;
-	}
-
-	return 0;
-}
-
-void hibmc_mm_fini(struct hibmc_drm_private *hibmc)
-{
-	if (!hibmc->dev->vram_mm)
-		return;
-
-	drm_vram_helper_release_mm(hibmc->dev);
-}
-
-int hibmc_dumb_create(struct drm_file *file, struct drm_device *dev,
-		      struct drm_mode_create_dumb *args)
-{
-	return drm_gem_vram_fill_create_dumb(file, dev, 0, 128, args);
-}
-
-const struct drm_mode_config_funcs hibmc_mode_funcs = {
-	.mode_valid = drm_vram_helper_mode_valid,
-	.atomic_check = drm_atomic_helper_check,
-	.atomic_commit = drm_atomic_helper_commit,
-	.fb_create = drm_gem_fb_create,
-};