summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/mediatek/mtk_drm_fb.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_drm_fb.c')
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_fb.c92
1 files changed, 0 insertions, 92 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_fb.c b/drivers/gpu/drm/mediatek/mtk_drm_fb.c
deleted file mode 100644
index 3f230a28a2dc..000000000000
--- a/drivers/gpu/drm/mediatek/mtk_drm_fb.c
+++ /dev/null
@@ -1,92 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (c) 2015 MediaTek Inc.
- */
-
-#include <linux/dma-buf.h>
-#include <linux/dma-resv.h>
-
-#include <drm/drm_modeset_helper.h>
-#include <drm/drm_fb_helper.h>
-#include <drm/drm_fourcc.h>
-#include <drm/drm_gem.h>
-#include <drm/drm_gem_framebuffer_helper.h>
-
-#include "mtk_drm_drv.h"
-#include "mtk_drm_fb.h"
-#include "mtk_drm_gem.h"
-
-static const struct drm_framebuffer_funcs mtk_drm_fb_funcs = {
- .create_handle = drm_gem_fb_create_handle,
- .destroy = drm_gem_fb_destroy,
-};
-
-static struct drm_framebuffer *mtk_drm_framebuffer_init(struct drm_device *dev,
- const struct drm_mode_fb_cmd2 *mode,
- struct drm_gem_object *obj)
-{
- const struct drm_format_info *info = drm_get_format_info(dev, mode);
- struct drm_framebuffer *fb;
- int ret;
-
- if (info->num_planes != 1)
- return ERR_PTR(-EINVAL);
-
- fb = kzalloc(sizeof(*fb), GFP_KERNEL);
- if (!fb)
- return ERR_PTR(-ENOMEM);
-
- drm_helper_mode_fill_fb_struct(dev, fb, mode);
-
- fb->obj[0] = obj;
-
- ret = drm_framebuffer_init(dev, fb, &mtk_drm_fb_funcs);
- if (ret) {
- DRM_ERROR("failed to initialize framebuffer\n");
- kfree(fb);
- return ERR_PTR(ret);
- }
-
- return fb;
-}
-
-struct drm_framebuffer *mtk_drm_mode_fb_create(struct drm_device *dev,
- struct drm_file *file,
- const struct drm_mode_fb_cmd2 *cmd)
-{
- const struct drm_format_info *info = drm_get_format_info(dev, cmd);
- struct drm_framebuffer *fb;
- struct drm_gem_object *gem;
- unsigned int width = cmd->width;
- unsigned int height = cmd->height;
- unsigned int size, bpp;
- int ret;
-
- if (info->num_planes != 1)
- return ERR_PTR(-EINVAL);
-
- gem = drm_gem_object_lookup(file, cmd->handles[0]);
- if (!gem)
- return ERR_PTR(-ENOENT);
-
- bpp = info->cpp[0];
- size = (height - 1) * cmd->pitches[0] + width * bpp;
- size += cmd->offsets[0];
-
- if (gem->size < size) {
- ret = -EINVAL;
- goto unreference;
- }
-
- fb = mtk_drm_framebuffer_init(dev, cmd, gem);
- if (IS_ERR(fb)) {
- ret = PTR_ERR(fb);
- goto unreference;
- }
-
- return fb;
-
-unreference:
- drm_gem_object_put_unlocked(gem);
- return ERR_PTR(ret);
-}