drm/vmwgfx: Turn on DRIVER_ATOMIC flag

Now that the legacy path has been tested, turn on the
DRIVER_ATOMIC flag so user mode driver can start going through
the Atomic path.

Signed-off-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Acked-by: Daniel Vetter <daniel@ffwll.ch>

drivers/gpu/drm/vmwgfx/vmwgfx_drv.c

@@ -898,6 +898,8 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
 		goto out_no_fifo;
 
 	DRM_INFO("DX: %s\n", dev_priv->has_dx ? "yes." : "no.");
+	DRM_INFO("Atomic: %s\n",
+		 (dev->driver->driver_features & DRIVER_ATOMIC) ? "yes" : "no");
 
 	snprintf(host_log, sizeof(host_log), "vmwgfx: %s-%s",
 		VMWGFX_REPO, VMWGFX_GIT_VERSION);
@@ -1510,7 +1512,7 @@ static const struct file_operations vmwgfx_driver_fops = {
 
 static struct drm_driver driver = {
 	.driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED |
-	DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER,
+	DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER | DRIVER_ATOMIC,
 	.load = vmw_driver_load,
 	.unload = vmw_driver_unload,
 	.lastclose = vmw_lastclose,

drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c

@@ -390,7 +390,6 @@ static const struct drm_crtc_helper_funcs vmw_ldu_crtc_helper_funcs = {
 	.prepare = vmw_ldu_crtc_helper_prepare,
 	.commit = vmw_ldu_crtc_helper_commit,
 	.disable = vmw_ldu_crtc_helper_disable,
-	.mode_set = drm_helper_crtc_mode_set,
 	.mode_set_nofb = vmw_ldu_crtc_mode_set_nofb,
 	.atomic_check = vmw_du_crtc_atomic_check,
 	.atomic_begin = vmw_du_crtc_atomic_begin,

drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c

@@ -574,7 +574,6 @@ static const struct drm_crtc_helper_funcs vmw_sou_crtc_helper_funcs = {
 	.prepare = vmw_sou_crtc_helper_prepare,
 	.commit = vmw_sou_crtc_helper_commit,
 	.disable = vmw_sou_crtc_helper_disable,
-	.mode_set = drm_helper_crtc_mode_set,
 	.mode_set_nofb = vmw_sou_crtc_mode_set_nofb,
 	.atomic_check = vmw_du_crtc_atomic_check,
 	.atomic_begin = vmw_du_crtc_atomic_begin,

drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c

@@ -1203,7 +1203,6 @@ static const struct drm_crtc_helper_funcs vmw_stdu_crtc_helper_funcs = {
 	.prepare = vmw_stdu_crtc_helper_prepare,
 	.commit = vmw_stdu_crtc_helper_commit,
 	.disable = vmw_stdu_crtc_helper_disable,
-	.mode_set = drm_helper_crtc_mode_set,
 	.mode_set_nofb = vmw_stdu_crtc_mode_set_nofb,
 	.atomic_check = vmw_du_crtc_atomic_check,
 	.atomic_begin = vmw_du_crtc_atomic_begin,