Signed-off-by: Jakob Bornecrantz <ja...@vmware.com>
---
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 2 ++
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 1 +
drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c | 19 +++++++++++++++++++
drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c | 2 +-
4 files changed, 23 insertions(+), 1 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index dedd121..f47ff2c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -357,6 +357,8 @@ static int vmw_driver_load(struct drm_device *dev, unsigned
long chipset)
dev_priv->pm_nb.notifier_call = vmwgfx_pm_notifier;
register_pm_notifier(&dev_priv->pm_nb);
+ DRM_INFO("%s", vmw_fifo_have_3d(dev_priv) ? "Have 3D\n" : "No 3D\n");
+
return 0;
out_no_device:
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 50529a7..59acc51 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -389,6 +389,7 @@ extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
uint32_t *sequence);
extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
extern int vmw_fifo_mmap(struct file *filp, struct vm_area_struct *vma);
+extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv);
/**
* TTM glue - vmwgfx_ttm_glue.c
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
index f7d5f70..4157547 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
@@ -29,6 +29,25 @@
#include "drmP.h"
#include "ttm/ttm_placement.h"
+bool vmw_fifo_have_3d(struct vmw_private *dev_priv)
+{
+ __le32 __iomem *fifo_mem = dev_priv->mmio_virt;
+ uint32_t fifo_min, hwversion;
+
+ fifo_min = ioread32(fifo_mem + SVGA_FIFO_MIN);
+ if (fifo_min <= SVGA_FIFO_3D_HWVERSION * sizeof(unsigned int))
+ return false;
+
+ hwversion = ioread32(fifo_mem + SVGA_FIFO_3D_HWVERSION);
+ if (hwversion == 0)
+ return false;
+
+ if (hwversion < SVGA3D_HWVERSION_WS65_B1)
+ return false;
+
+ return true;
+}
+
int vmw_fifo_init(struct vmw_private *dev_priv, struct vmw_fifo_state *fifo)
{
__le32 __iomem *fifo_mem = dev_priv->mmio_virt;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
index 5fa6a4e..778851f 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
@@ -43,7 +43,7 @@ int vmw_getparam_ioctl(struct drm_device *dev, void *data,
param->value = vmw_overlay_num_free_overlays(dev_priv);
break;
case DRM_VMW_PARAM_3D:
- param->value = dev_priv->capabilities & SVGA_CAP_3D ? 1 : 0;
+ param->value = vmw_fifo_have_3d(dev_priv) ? 1 : 0;
break;
case DRM_VMW_PARAM_FIFO_OFFSET:
param->value = dev_priv->mmio_start;
--
1.6.0.4
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