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drm/vmwgfx: Correctly detect 3D 

Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Jakob Bornecrantz 2010-01-30 03:38:06 +00:00 committed by Dave Airlie
parent 110b20c3dd
commit 8e19a95177
4 changed files with 23 additions and 1 deletions
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2
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
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@ -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:

1
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
View File

@ -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

19
drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
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@ -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;

2
drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
View File

@ -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;