[Intel-gfx] [PATCH 06/19] drm/vmwgfx: Drop the cursor locking hack

[Daniel Vetter]

It's been around forever, no one bothered to address the FIXME, so I
presume it's all fine.

Cc: Sinclair Yeh <syeh at vmware.com>
Cc: Thomas Hellstrom <thellstrom at vmware.com>
Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 25 -------------------------
 1 file changed, 25 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index d492d57d5309..424b3fc57203 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -148,15 +148,6 @@ int vmw_du_crtc_cursor_set2(struct drm_crtc *crtc, struct drm_file *file_priv,
 	s32 hotspot_x, hotspot_y;
 	int ret;
 
-	/*
-	 * FIXME: Unclear whether there's any global state touched by the
-	 * cursor_set function, especially vmw_cursor_update_position looks
-	 * suspicious. For now take the easy route and reacquire all locks. We
-	 * can do this since the caller in the drm core doesn't check anything
-	 * which is protected by any looks.
-	 */
-	drm_modeset_unlock_crtc(crtc);
-	drm_modeset_lock_all(dev_priv->dev);
 	hotspot_x = hot_x + du->hotspot_x;
 	hotspot_y = hot_y + du->hotspot_y;
 
@@ -224,9 +215,6 @@ int vmw_du_crtc_cursor_set2(struct drm_crtc *crtc, struct drm_file *file_priv,
 	}
 
 out:
-	drm_modeset_unlock_all(dev_priv->dev);
-	drm_modeset_lock_crtc(crtc, crtc->cursor);
-
 	return ret;
 }
 
@@ -239,25 +227,12 @@ int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
 	du->cursor_x = x + du->set_gui_x;
 	du->cursor_y = y + du->set_gui_y;
 
-	/*
-	 * FIXME: Unclear whether there's any global state touched by the
-	 * cursor_set function, especially vmw_cursor_update_position looks
-	 * suspicious. For now take the easy route and reacquire all locks. We
-	 * can do this since the caller in the drm core doesn't check anything
-	 * which is protected by any looks.
-	 */
-	drm_modeset_unlock_crtc(crtc);
-	drm_modeset_lock_all(dev_priv->dev);
-
 	vmw_cursor_update_position(dev_priv, shown,
 				   du->cursor_x + du->hotspot_x +
 				   du->core_hotspot_x,
 				   du->cursor_y + du->hotspot_y +
 				   du->core_hotspot_y);
 
-	drm_modeset_unlock_all(dev_priv->dev);
-	drm_modeset_lock_crtc(crtc, crtc->cursor);
-
 	return 0;
 }
 
-- 
2.11.0