diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c index cb55b7b66377..87e39f68e9d0 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c @@ -35,6 +35,7 @@ #include "svga_escape.h" #define VMW_MAX_NUM_STREAMS 1 +#define VMW_OVERLAY_CAP_MASK (SVGA_FIFO_CAP_VIDEO | SVGA_FIFO_CAP_ESCAPE) struct vmw_stream { struct vmw_dma_buffer *buf; @@ -449,6 +450,14 @@ int vmw_overlay_pause_all(struct vmw_private *dev_priv) return 0; } + +static bool vmw_overlay_available(const struct vmw_private *dev_priv) +{ + return (dev_priv->overlay_priv != NULL && + ((dev_priv->fifo.capabilities & VMW_OVERLAY_CAP_MASK) == + VMW_OVERLAY_CAP_MASK)); +} + int vmw_overlay_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { @@ -461,7 +470,7 @@ int vmw_overlay_ioctl(struct drm_device *dev, void *data, struct vmw_resource *res; int ret; - if (!overlay) + if (!vmw_overlay_available(dev_priv)) return -ENOSYS; ret = vmw_user_stream_lookup(dev_priv, tfile, &arg->stream_id, &res); @@ -492,7 +501,7 @@ out_unlock: int vmw_overlay_num_overlays(struct vmw_private *dev_priv) { - if (!dev_priv->overlay_priv) + if (!vmw_overlay_available(dev_priv)) return 0; return VMW_MAX_NUM_STREAMS; @@ -503,7 +512,7 @@ int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv) struct vmw_overlay *overlay = dev_priv->overlay_priv; int i, k; - if (!overlay) + if (!vmw_overlay_available(dev_priv)) return 0; mutex_lock(&overlay->mutex); @@ -569,12 +578,6 @@ int vmw_overlay_init(struct vmw_private *dev_priv) if (dev_priv->overlay_priv) return -EINVAL; - if (!(dev_priv->fifo.capabilities & SVGA_FIFO_CAP_VIDEO) && - (dev_priv->fifo.capabilities & SVGA_FIFO_CAP_ESCAPE)) { - DRM_INFO("hardware doesn't support overlays\n"); - return -ENOSYS; - } - overlay = kzalloc(sizeof(*overlay), GFP_KERNEL); if (!overlay) return -ENOMEM; |