[Intel-gfx] [PATCH] drm/i915: Fix assert_sprites_disabled for SKL+

[Maarten Lankhorst]

On skylake+ the primary plane is plane 0, and plane 1 is the first
sprite plane. Other callsites handle this correctly.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 1428d0c1a441..3b1f2c28fbd0 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1325,7 +1325,7 @@ static void assert_sprites_disabled(struct drm_i915_private *dev_priv,
 
 	if (INTEL_INFO(dev)->gen >= 9) {
 		for_each_sprite(dev_priv, pipe, sprite) {
-			u32 val = I915_READ(PLANE_CTL(pipe, sprite));
+			u32 val = I915_READ(PLANE_CTL(pipe, sprite + 1));
 			I915_STATE_WARN(val & PLANE_CTL_ENABLE,
 			     "plane %d assertion failure, should be off on pipe %c but is still active\n",
 			     sprite, pipe_name(pipe));
-- 
2.7.4