drm/i915: Implement plane-disabled assertion for PCH too (28c05794) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/gpu/drm/i915/intel_display.c

+7 −1

Original line number	Diff line number	Diff line
		@@ -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++) {