diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index a2acf79c365..2e3289c3703 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1840,6 +1840,8 @@ 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); @@ -1868,6 +1870,8 @@ 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); |