From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/intel_display.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 76a77f7..a0d0202 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1817,6 +1817,8 @@ static void intel_enable_primary_plane(struct drm_i915_private *dev_priv, /* If the pipe isn't enabled, we can't pump pixels and may hang */ assert_pipe_enabled(dev_priv, pipe); + WARN(!intel_crtc->primary_disabled, "Primary plane already enabled\n"); + intel_crtc->primary_disabled = false; reg = DSPCNTR(plane); @@ -1845,6 +1847,8 @@ static void intel_disable_primary_plane(struct drm_i915_private *dev_priv, int reg; u32 val; + WARN(intel_crtc->primary_disabled, "Primary plane already disabled\n"); + intel_crtc->primary_disabled = true; reg = DSPCNTR(plane); -- 1.8.1.5 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
