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| author | Adam Jackson <ajax@redhat.com> | 2011-10-07 22:38:42 +0400 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-01-17 15:52:11 +0400 |
| commit | 28c057945ef5d164925db4fccc64207ee58c8681 (patch) | |
| tree | 76e7ca3936333bbae3f33efe28f47a2d2d0553d2 /drivers/gpu/drm/i915/intel_display.c | |
| parent | 2aded1b6bb83cabe3ee5763e5c3834e36bf4a61f (diff) | |
| download | linux-28c057945ef5d164925db4fccc64207ee58c8681.tar.xz | |
drm/i915: Implement plane-disabled assertion for PCH too
Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 5fa1476cbfc6..d775f954c1b6 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -970,8 +970,14 @@ static void assert_planes_disabled(struct drm_i915_private *dev_priv, int cur_pipe; /* Planes are fixed to pipes on ILK+ */ - if (HAS_PCH_SPLIT(dev_priv->dev)) + if (HAS_PCH_SPLIT(dev_priv->dev)) { + reg = DSPCNTR(pipe); + val = I915_READ(reg); + WARN((val & DISPLAY_PLANE_ENABLE), + "plane %c assertion failure, should be disabled but not\n", + plane_name(pipe)); return; + } /* Need to check both planes against the pipe */ for (i = 0; i < 2; i++) { |