mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 20:53:53 +08:00
bc9025bdc4
Mostly obvious simplifications. The i915 pread/pwrite ioctls, intel_overlay_put_image and nouveau_gem_new were incorrectly using the locked versions without locking: this is also fixed in this patch. Signed-off-by: Luca Barbieri <luca@luca-barbieri.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
113 lines
3.2 KiB
C
113 lines
3.2 KiB
C
/*
|
|
* Copyright (C) 2008 Maarten Maathuis.
|
|
* All Rights Reserved.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sublicense, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the
|
|
* next paragraph) shall be included in all copies or substantial
|
|
* portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
|
* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
|
|
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*
|
|
*/
|
|
|
|
#include "drmP.h"
|
|
#include "drm_crtc_helper.h"
|
|
#include "nouveau_drv.h"
|
|
#include "nouveau_fb.h"
|
|
#include "nouveau_fbcon.h"
|
|
|
|
static void
|
|
nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
|
|
{
|
|
struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
|
|
struct drm_device *dev = drm_fb->dev;
|
|
|
|
if (drm_fb->fbdev)
|
|
nouveau_fbcon_remove(dev, drm_fb);
|
|
|
|
if (fb->nvbo)
|
|
drm_gem_object_unreference_unlocked(fb->nvbo->gem);
|
|
|
|
drm_framebuffer_cleanup(drm_fb);
|
|
kfree(fb);
|
|
}
|
|
|
|
static int
|
|
nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb,
|
|
struct drm_file *file_priv,
|
|
unsigned int *handle)
|
|
{
|
|
struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
|
|
|
|
return drm_gem_handle_create(file_priv, fb->nvbo->gem, handle);
|
|
}
|
|
|
|
static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
|
|
.destroy = nouveau_user_framebuffer_destroy,
|
|
.create_handle = nouveau_user_framebuffer_create_handle,
|
|
};
|
|
|
|
struct drm_framebuffer *
|
|
nouveau_framebuffer_create(struct drm_device *dev, struct nouveau_bo *nvbo,
|
|
struct drm_mode_fb_cmd *mode_cmd)
|
|
{
|
|
struct nouveau_framebuffer *fb;
|
|
int ret;
|
|
|
|
fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL);
|
|
if (!fb)
|
|
return NULL;
|
|
|
|
ret = drm_framebuffer_init(dev, &fb->base, &nouveau_framebuffer_funcs);
|
|
if (ret) {
|
|
kfree(fb);
|
|
return NULL;
|
|
}
|
|
|
|
drm_helper_mode_fill_fb_struct(&fb->base, mode_cmd);
|
|
|
|
fb->nvbo = nvbo;
|
|
return &fb->base;
|
|
}
|
|
|
|
static struct drm_framebuffer *
|
|
nouveau_user_framebuffer_create(struct drm_device *dev,
|
|
struct drm_file *file_priv,
|
|
struct drm_mode_fb_cmd *mode_cmd)
|
|
{
|
|
struct drm_framebuffer *fb;
|
|
struct drm_gem_object *gem;
|
|
|
|
gem = drm_gem_object_lookup(dev, file_priv, mode_cmd->handle);
|
|
if (!gem)
|
|
return NULL;
|
|
|
|
fb = nouveau_framebuffer_create(dev, nouveau_gem_object(gem), mode_cmd);
|
|
if (!fb) {
|
|
drm_gem_object_unreference(gem);
|
|
return NULL;
|
|
}
|
|
|
|
return fb;
|
|
}
|
|
|
|
const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
|
|
.fb_create = nouveau_user_framebuffer_create,
|
|
.fb_changed = nouveau_fbcon_probe,
|
|
};
|
|
|