[Intel-gfx] [PATCH v2] drm/i915: Error out when trying to set a y-tiled as a sprite

[Damien Lespiau]

From: Damien Lespiau <damien.lespiau at intel.com>

v2: Use a switch for consistency (Chris Wilson)

Signed-off-by: Damien Lespiau <damien.lespiau at intel.com>
---
 drivers/gpu/drm/i915/intel_sprite.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index 87c8f1b..03307be 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -466,6 +466,15 @@ intel_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
 	if (intel_plane->pipe != intel_crtc->pipe)
 		return -EINVAL;
 
+	/* Sprite planes can be linear or x-tiled surfaces */
+	switch (obj->tiling_mode) {
+		case I915_TILING_NONE:
+		case I915_TILING_X:
+			break;
+		default:
+			return -EINVAL;
+	}
+
 	/*
 	 * Clamp the width & height into the visible area.  Note we don't
 	 * try to scale the source if part of the visible region is offscreen.
-- 
1.7.7.5