drm/i915: Add debug messages for pipe enable/disable

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>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2015-06-24 21:59:35 +03:00 committed by Daniel Vetter
parent a9ff8714d9
commit 9e2ee2dd04
1 changed files with 4 additions and 0 deletions

View File

@ -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.