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Commit 0037f71c authored by Ville Syrjälä's avatar Ville Syrjälä Committed by Daniel Vetter
Browse files

drm/i915: WARN if primary plane state doesn't match expectations 



Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent d1de00ef

drivers/gpu/drm/i915/intel_display.c

+4 −0
Original line number Diff line number Diff line
@@ -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);