[2/3] drm/i915: Add debug messages for pipe enable/disable
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Message ID 1435172376-9597-2-git-send-email-ville.syrjala@linux.intel.com
State New
Headers show

Commit Message

Ville Syrjälä June 24, 2015, 6:59 p.m. UTC 
From: Ville Syrjälä <ville.syrjala@linux.intel.com>

Currently we don't have any real indication when a pipe gets
enabled/disabled. Add some.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 4 ++++
 1 file changed, 4 insertions(+)

Patch
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diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index ae65516..cd8fa05 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2110,6 +2110,8 @@  static void intel_enable_pipe(struct intel_crtc *crtc)
 	int reg;
 	u32 val;
 
+	DRM_DEBUG_KMS("enabling pipe %c\n", pipe_name(pipe));
+
 	assert_planes_disabled(dev_priv, pipe);
 	assert_cursor_disabled(dev_priv, pipe);
 	assert_sprites_disabled(dev_priv, pipe);
@@ -2169,6 +2171,8 @@  static void intel_disable_pipe(struct intel_crtc *crtc)
 	int reg;
 	u32 val;
 
+	DRM_DEBUG_KMS("disabling pipe %c\n", pipe_name(pipe));
+
 	/*
 	 * Make sure planes won't keep trying to pump pixels to us,
 	 * or we might hang the display.