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Commit d8c08b2b authored by Thomas Hellstrom's avatar Thomas Hellstrom
Browse files

drm/vmwgfx: Enable 3D for new hardware version 



Signed-off-by: default avatarThomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: default avatarBrian Paul <brianp@vmware.com>
Reviewed-by: default avatarZack Rusin <zackr@vmware.com>
parent 74c10d1c

drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c

+17 −0
Original line number Diff line number Diff line
@@ -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;