diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_kms.c')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index c748207e9e1..250282fee9c 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -30,6 +30,8 @@ /* Might need a hrtimer here? */ #define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1) +static int vmw_surface_dmabuf_pin(struct vmw_framebuffer *vfb); +static int vmw_surface_dmabuf_unpin(struct vmw_framebuffer *vfb); void vmw_display_unit_cleanup(struct vmw_display_unit *du) { @@ -326,6 +328,7 @@ int vmw_framebuffer_create_handle(struct drm_framebuffer *fb, struct vmw_framebuffer_surface { struct vmw_framebuffer base; struct vmw_surface *surface; + struct vmw_dma_buffer *buffer; struct delayed_work d_work; struct mutex work_lock; bool present_fs; @@ -500,8 +503,8 @@ int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv, vfbs->base.base.depth = 24; vfbs->base.base.width = width; vfbs->base.base.height = height; - vfbs->base.pin = NULL; - vfbs->base.unpin = NULL; + vfbs->base.pin = &vmw_surface_dmabuf_pin; + vfbs->base.unpin = &vmw_surface_dmabuf_unpin; vfbs->surface = surface; mutex_init(&vfbs->work_lock); INIT_DELAYED_WORK(&vfbs->d_work, &vmw_framebuffer_present_fs_callback); @@ -589,6 +592,40 @@ static struct drm_framebuffer_funcs vmw_framebuffer_dmabuf_funcs = { .create_handle = vmw_framebuffer_create_handle, }; +static int vmw_surface_dmabuf_pin(struct vmw_framebuffer *vfb) +{ + struct vmw_private *dev_priv = vmw_priv(vfb->base.dev); + struct vmw_framebuffer_surface *vfbs = + vmw_framebuffer_to_vfbs(&vfb->base); + unsigned long size = vfbs->base.base.pitch * vfbs->base.base.height; + int ret; + + vfbs->buffer = kzalloc(sizeof(*vfbs->buffer), GFP_KERNEL); + if (unlikely(vfbs->buffer == NULL)) + return -ENOMEM; + + vmw_overlay_pause_all(dev_priv); + ret = vmw_dmabuf_init(dev_priv, vfbs->buffer, size, + &vmw_vram_ne_placement, + false, &vmw_dmabuf_bo_free); + vmw_overlay_resume_all(dev_priv); + + return ret; +} + +static int vmw_surface_dmabuf_unpin(struct vmw_framebuffer *vfb) +{ + struct ttm_buffer_object *bo; + struct vmw_framebuffer_surface *vfbs = + vmw_framebuffer_to_vfbs(&vfb->base); + + bo = &vfbs->buffer->base; + ttm_bo_unref(&bo); + vfbs->buffer = NULL; + + return 0; +} + static int vmw_framebuffer_dmabuf_pin(struct vmw_framebuffer *vfb) { struct vmw_private *dev_priv = vmw_priv(vfb->base.dev); |