summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorThomas Hellstrom <thellstrom@vmware.com>2015-10-22 10:17:35 +0200
committerThomas Hellstrom <thellstrom@vmware.com>2015-10-30 09:39:39 +0100
commit10f9aa87a6b19b0a538aa78b9b907de78903b920 (patch)
tree103fdede6fba7da2d3bce9b52c4753f0b694ba9e
parent7213baec0ae76db45073d19c8008726ec2df2e54 (diff)
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>
-rw-r--r--vmwgfx_ioctl.c22
-rw-r--r--vmwgfx_surface.c2
2 files changed, 22 insertions, 2 deletions
diff --git a/vmwgfx_ioctl.c b/vmwgfx_ioctl.c
index 02f3dc8..7cfcd1e 100644
--- a/vmwgfx_ioctl.c
+++ b/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) {
diff --git a/vmwgfx_surface.c b/vmwgfx_surface.c
index 261159e..3e5d195 100644
--- a/vmwgfx_surface.c
+++ b/vmwgfx_surface.c
@@ -1298,6 +1298,8 @@ int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data,
uint32_t size;
uint32_t backup_handle;
+ if (req->multisample_count != 0)
+ return -EINVAL;
if (unlikely(vmw_user_surface_size == 0))
vmw_user_surface_size = ttm_round_pot(sizeof(*user_srf)) +