diff options
| author | Thomas Hellstrom <thellstrom@vmware.com> | 2015-10-26 14:42:31 +0300 |
|---|---|---|
| committer | Thomas Hellstrom <thellstrom@vmware.com> | 2015-11-02 11:16:05 +0300 |
| commit | 53c1e53571b1552204b2111b9fff5086f091bc9a (patch) | |
| tree | a230c9e68c3178df81ec8e1e624bf6920cacbe23 /drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c | |
| parent | 5ad9dceee97477a7bdaa8c57b67cb802627a579d (diff) | |
| download | linux-53c1e53571b1552204b2111b9fff5086f091bc9a.tar.xz | |
drm/vmwgfx: Turn off support for multisample count != 0 v2
Do this until we know how much MOB memory to allocate for these surfaces.
v2: Mask also non-DX multisample.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c index 0a970afed93b..a3e3c83c407b 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c @@ -122,6 +122,22 @@ int vmw_getparam_ioctl(struct drm_device *dev, void *data, return 0; } +static u32 vmw_mask_multisample(unsigned int cap, u32 fmt_value) +{ + /* If the header is updated, update the format test as well! */ + BUILD_BUG_ON(SVGA3D_DEVCAP_DXFMT_BC5_UNORM + 1 != SVGA3D_DEVCAP_MAX); + + if (cap >= SVGA3D_DEVCAP_DXFMT_X8R8G8B8 && + cap <= SVGA3D_DEVCAP_DXFMT_BC5_UNORM) + fmt_value &= ~(SVGADX_DXFMT_MULTISAMPLE_2 | + SVGADX_DXFMT_MULTISAMPLE_4 | + SVGADX_DXFMT_MULTISAMPLE_8); + else if (cap == SVGA3D_DEVCAP_MULTISAMPLE_MASKABLESAMPLES) + return 0; + + return fmt_value; +} + static int vmw_fill_compat_cap(struct vmw_private *dev_priv, void *bounce, size_t size) { @@ -147,7 +163,8 @@ static int vmw_fill_compat_cap(struct vmw_private *dev_priv, void *bounce, for (i = 0; i < max_size; ++i) { vmw_write(dev_priv, SVGA_REG_DEV_CAP, i); compat_cap->pairs[i][0] = i; - compat_cap->pairs[i][1] = vmw_read(dev_priv, SVGA_REG_DEV_CAP); + compat_cap->pairs[i][1] = vmw_mask_multisample + (i, vmw_read(dev_priv, SVGA_REG_DEV_CAP)); } spin_unlock(&dev_priv->cap_lock); @@ -202,7 +219,8 @@ int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, spin_lock(&dev_priv->cap_lock); for (i = 0; i < num; ++i) { vmw_write(dev_priv, SVGA_REG_DEV_CAP, i); - *bounce32++ = vmw_read(dev_priv, SVGA_REG_DEV_CAP); + *bounce32++ = vmw_mask_multisample + (i, vmw_read(dev_priv, SVGA_REG_DEV_CAP)); } spin_unlock(&dev_priv->cap_lock); } else if (gb_objects) { |