drm/i915: Spruce up assert_sprites_disabled()

Make assert_sprites_disabled() operational on all platforms where
we currently have sprite support enabled.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 0f0ac93..c593ed0 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1135,19 +1135,30 @@ static void assert_planes_disabled(struct drm_i915_private *dev_priv,
 static void assert_sprites_disabled(struct drm_i915_private *dev_priv,
                                    enum pipe pipe)
 {
+       struct drm_device *dev = dev_priv->dev;
        int reg, i;
        u32 val;
 
-       if (!IS_VALLEYVIEW(dev_priv->dev))
-               return;
-
-       /* Need to check both planes against the pipe */
-       for (i = 0; i < dev_priv->num_plane; i++) {
-               reg = SPCNTR(pipe, i);
+       if (IS_VALLEYVIEW(dev)) {
+               for (i = 0; i < dev_priv->num_plane; i++) {
+                       reg = SPCNTR(pipe, i);
+                       val = I915_READ(reg);
+                       WARN((val & SP_ENABLE),
+                            "sprite %c assertion failure, should be off on pipe %c but is still active\n",
+                            sprite_name(pipe, i), pipe_name(pipe));
+               }
+       } else if (INTEL_INFO(dev)->gen >= 7) {
+               reg = SPRCTL(pipe);
+               val = I915_READ(reg);
+               WARN((val & SPRITE_ENABLE),
+                    "sprite %c assertion failure, should be off on pipe %c but is still active\n",
+                    plane_name(pipe), pipe_name(pipe));
+       } else if (INTEL_INFO(dev)->gen >= 5) {
+               reg = DVSCNTR(pipe);
                val = I915_READ(reg);
-               WARN((val & SP_ENABLE),
+               WARN((val & DVS_ENABLE),
                     "sprite %c assertion failure, should be off on pipe %c but is still active\n",
-                    sprite_name(pipe, i), pipe_name(pipe));
+                    plane_name(pipe), pipe_name(pipe));
        }
 }