From: Paulo Zanoni <paulo.r.zanoni@intel.com>
Date: Mon, 24 Sep 2012 13:32:54 +0000 (-0300)
Subject: drm/i915: BUG() on unexpected HDMI register
X-Git-Tag: firefly_0821_release~3680^2~1722^2~8^2~41
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=57df2ae9df6e335a98969cac5aafb09c4de10bb2;p=firefly-linux-kernel-4.4.55.git

drm/i915: BUG() on unexpected HDMI register

This should never happen, but the silent "return" makes me wonder
every time I try to debug InfoFrame bugs, so promote this to BUG() to
make sure people will complain if we ever break this.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 229897ff75da..f9fb47cd1779 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -377,6 +377,7 @@ static void g4x_set_infoframes(struct drm_encoder *encoder,
 		port = VIDEO_DIP_PORT_C;
 		break;
 	default:
+		BUG();
 		return;
 	}
 
@@ -435,6 +436,7 @@ static void ibx_set_infoframes(struct drm_encoder *encoder,
 		port = VIDEO_DIP_PORT_D;
 		break;
 	default:
+		BUG();
 		return;
 	}