[Intel-gfx] [PATCH 3/3] drm/i915: assert that the IBX port transcoder select w/a is implemented

[Daniel Vetter]

Let's be a bit more paranoid here.

Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
 drivers/gpu/drm/i915/intel_display.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 3c71850..a9bc673 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1224,6 +1224,9 @@ static void assert_pch_dp_disabled(struct drm_i915_private *dev_priv,
 	WARN(dp_pipe_enabled(dev_priv, pipe, port_sel, val),
 	     "PCH DP (0x%08x) enabled on transcoder %c, should be disabled\n",
 	     reg, pipe_name(pipe));
+
+	WARN(HAS_PCH_IBX(dev_priv->dev) && (val & SDVO_PIPE_B_SELECT),
+	     "IBX PCH dp port still using transcoder B\n");
 }
 
 static void assert_pch_hdmi_disabled(struct drm_i915_private *dev_priv,
@@ -1233,6 +1236,9 @@ static void assert_pch_hdmi_disabled(struct drm_i915_private *dev_priv,
 	WARN(hdmi_pipe_enabled(dev_priv, val, pipe),
 	     "PCH HDMI (0x%08x) enabled on transcoder %c, should be disabled\n",
 	     reg, pipe_name(pipe));
+
+	WARN(HAS_PCH_IBX(dev_priv->dev) && (val & SDVO_PIPE_B_SELECT),
+	     "IBX PCH hdmi port still using transcoder B\n");
 }
 
 static void assert_pch_ports_disabled(struct drm_i915_private *dev_priv,
-- 
1.7.7.5