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drm/vmwgfx: Enable 3D for new hardware version

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Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Zack Rusin <zackr@vmware.com>
This commit is contained in:
Thomas Hellstrom 2012-11-21 12:18:31 +01:00
parent 74c10d1cd5
commit d8c08b2b87
1 changed files with 17 additions and 0 deletions
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17
drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
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@ -35,6 +35,23 @@ bool vmw_fifo_have_3d(struct vmw_private *dev_priv)
uint32_t fifo_min, hwversion;
const struct vmw_fifo_state *fifo = &dev_priv->fifo;
if (!(dev_priv->capabilities & SVGA_CAP_3D))
return false;
if (dev_priv->capabilities & SVGA_CAP_GBOBJECTS) {
uint32_t result;
if (!dev_priv->has_mob)
return false;
mutex_lock(&dev_priv->hw_mutex);
vmw_write(dev_priv, SVGA_REG_DEV_CAP, SVGA3D_DEVCAP_3D);
result = vmw_read(dev_priv, SVGA_REG_DEV_CAP);
mutex_unlock(&dev_priv->hw_mutex);
return (result != 0);
}
if (!(dev_priv->capabilities & SVGA_CAP_EXTENDED_FIFO))
return false;