static int evdi_user_framebuffer_create_handle(struct drm_framebuffer *fb,
struct drm_file *file_priv,
unsigned int *handle)
{
struct evdi_framebuffer *efb = to_evdi_fb(fb);
return drm_gem_handle_create(file_priv, &efb->obj->base, handle);
}
static void evdi_user_framebuffer_destroy(struct drm_framebuffer *fb)
{
struct evdi_framebuffer *ufb = to_evdi_fb(fb);
EVDI_CHECKPT();
if (ufb->obj->vmapping)
evdi_gem_vunmap(ufb->obj);
if (ufb->obj)
drm_gem_object_unreference_unlocked(&ufb->obj->base);
drm_framebuffer_cleanup(fb);
kfree(ufb);
}
static int evdi_user_framebuffer_dirty(struct drm_framebuffer *fb,
__always_unused struct drm_file *file,
__always_unused unsigned int flags,
__always_unused unsigned int color,
struct drm_clip_rect *clips,
unsigned int num_clips)
{
struct evdi_framebuffer *ufb = to_evdi_fb(fb);
struct drm_device *dev = ufb->base.dev;
struct evdi_device *evdi = dev->dev_private;
int i;
int ret = 0;
EVDI_CHECKPT();
drm_modeset_lock_all(fb->dev);
if (!ufb->active)
goto unlock;
if (ufb->obj->base.import_attach) {
ret =
dma_buf_begin_cpu_access(
ufb->obj->base.import_attach->dmabuf,
#if KERNEL_VERSION(4, 6, 0) > LINUX_VERSION_CODE
0, ufb->obj->base.size,
#endif
DMA_FROM_DEVICE);
if (ret)
goto unlock;
}
for (i = 0; i < num_clips; i++) {
ret = evdi_handle_damage(ufb, clips[i].x1, clips[i].y1,
clips[i].x2 - clips[i].x1,
clips[i].y2 - clips[i].y1);
if (ret)
goto unlock;
}
if (ufb->obj->base.import_attach)
dma_buf_end_cpu_access(ufb->obj->base.import_attach->dmabuf,
#if KERNEL_VERSION(4, 6, 0) > LINUX_VERSION_CODE
0, ufb->obj->base.size,
#endif
DMA_FROM_DEVICE);
atomic_add(1, &evdi->frame_count);
unlock:
drm_modeset_unlock_all(fb->dev);
return ret;
}
static int evdi_user_framebuffer_dirty(struct drm_framebuffer *fb,
struct drm_file *file,
unsigned flags,
unsigned color,
struct drm_clip_rect *clips,
unsigned num_clips)
{
struct evdi_framebuffer *ufb = to_evdi_fb(fb);
struct drm_device *dev = ufb->base.dev;
struct evdi_device *evdi = dev->dev_private;
int i;
int ret = 0;
EVDI_CHECKPT();
drm_modeset_lock_all(fb->dev);
if (ufb->obj->base.import_attach) {
ret = dma_buf_begin_cpu_access(ufb->obj->base.import_attach->dmabuf,
0, ufb->obj->base.size,
DMA_FROM_DEVICE);
if (ret) {
goto unlock;
}
}
for (i = 0; i < num_clips; i++) {
ret = evdi_handle_damage(ufb, clips[i].x1, clips[i].y1,
clips[i].x2 - clips[i].x1,
clips[i].y2 - clips[i].y1);
if (ret) {
goto unlock;
}
}
if (ufb->obj->base.import_attach) {
dma_buf_end_cpu_access(ufb->obj->base.import_attach->dmabuf,
0,
ufb->obj->base.size,
DMA_FROM_DEVICE);
}
atomic_add(1, &evdi->frame_count);
unlock:
drm_modeset_unlock_all(fb->dev);
return ret;
}