From d8c08b2b87b9669bf9aafa732ecd60ae5640b3dc Mon Sep 17 00:00:00 2001 From: Thomas Hellstrom Date: Wed, 21 Nov 2012 12:18:31 +0100 Subject: [PATCH] drm/vmwgfx: Enable 3D for new hardware version Signed-off-by: Thomas Hellstrom Reviewed-by: Brian Paul Reviewed-by: Zack Rusin --- drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c index 01baffd90549..6ccd993e26bf 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c @@ -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; -- 2.30.2