drm/vmwgfx: Add SM4_1 flag
A boolean flag in device private structure to specify if the device
support SM4_1.
Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index f2fad88..6cf81e1 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -916,9 +916,23 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
if (ret)
goto out_no_fifo;
+ if (dev_priv->has_dx) {
+ /*
+ * SVGA_CAP2_DX2 (DefineGBSurface_v3) is needed for SM4_1
+ * support
+ */
+ if ((dev_priv->capabilities2 & SVGA_CAP2_DX2) != 0) {
+ vmw_write(dev_priv, SVGA_REG_DEV_CAP,
+ SVGA3D_DEVCAP_SM41);
+ dev_priv->has_sm4_1 = vmw_read(dev_priv,
+ SVGA_REG_DEV_CAP);
+ }
+ }
+
DRM_INFO("DX: %s\n", dev_priv->has_dx ? "yes." : "no.");
- DRM_INFO("Atomic: %s\n",
- (dev->driver->driver_features & DRIVER_ATOMIC) ? "yes" : "no");
+ DRM_INFO("Atomic: %s\n", (dev->driver->driver_features & DRIVER_ATOMIC)
+ ? "yes." : "no.");
+ DRM_INFO("SM4_1: %s\n", dev_priv->has_sm4_1 ? "yes." : "no.");
snprintf(host_log, sizeof(host_log), "vmwgfx: %s-%s",
VMWGFX_REPO, VMWGFX_GIT_VERSION);