Example #1
0
int i915_save_state(struct drm_device *dev)
{
	struct drm_i915_private *dev_priv = dev->dev_private;
	int i;

	pci_read_config_byte(dev->pdev, LBB, &dev_priv->saveLBB);

	/* Hardware status page */
	dev_priv->saveHWS = I915_READ(HWS_PGA);

	i915_save_display(dev);

	/* Interrupt state */
	if (IS_IRONLAKE(dev)) {
		dev_priv->saveDEIER = I915_READ(DEIER);
		dev_priv->saveDEIMR = I915_READ(DEIMR);
		dev_priv->saveGTIER = I915_READ(GTIER);
		dev_priv->saveGTIMR = I915_READ(GTIMR);
		dev_priv->saveFDI_RXA_IMR = I915_READ(FDI_RXA_IMR);
		dev_priv->saveFDI_RXB_IMR = I915_READ(FDI_RXB_IMR);
		dev_priv->saveMCHBAR_RENDER_STANDBY =
			I915_READ(MCHBAR_RENDER_STANDBY);
	} else {
		dev_priv->saveIER = I915_READ(IER);
		dev_priv->saveIMR = I915_READ(IMR);
	}

	if (IS_IRONLAKE_M(dev))
		ironlake_disable_drps(dev);

	/* Cache mode state */
	dev_priv->saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0);

	/* Memory Arbitration state */
	dev_priv->saveMI_ARB_STATE = I915_READ(MI_ARB_STATE);

	/* Scratch space */
	for (i = 0; i < 16; i++) {
		dev_priv->saveSWF0[i] = I915_READ(SWF00 + (i << 2));
		dev_priv->saveSWF1[i] = I915_READ(SWF10 + (i << 2));
	}
	for (i = 0; i < 3; i++)
		dev_priv->saveSWF2[i] = I915_READ(SWF30 + (i << 2));

	/* Fences */
	if (IS_I965G(dev)) {
		for (i = 0; i < 16; i++)
			dev_priv->saveFENCE[i] = I915_READ64(FENCE_REG_965_0 + (i * 8));
	} else {
		for (i = 0; i < 8; i++)
			dev_priv->saveFENCE[i] = I915_READ(FENCE_REG_830_0 + (i * 4));

		if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
			for (i = 0; i < 8; i++)
				dev_priv->saveFENCE[i+8] = I915_READ(FENCE_REG_945_8 + (i * 4));
	}

	return 0;
}
int i915_save_state(struct drm_device *dev)
{
	struct drm_i915_private *dev_priv = dev->dev_private;
	int i;

	pci_read_config_byte(dev->pdev, LBB, &dev_priv->saveLBB);

	mutex_lock(&dev->struct_mutex);

	
	dev_priv->saveHWS = I915_READ(HWS_PGA);

	i915_save_display(dev);

	
	if (HAS_PCH_SPLIT(dev)) {
		dev_priv->saveDEIER = I915_READ(DEIER);
		dev_priv->saveDEIMR = I915_READ(DEIMR);
		dev_priv->saveGTIER = I915_READ(GTIER);
		dev_priv->saveGTIMR = I915_READ(GTIMR);
		dev_priv->saveFDI_RXA_IMR = I915_READ(_FDI_RXA_IMR);
		dev_priv->saveFDI_RXB_IMR = I915_READ(_FDI_RXB_IMR);
		dev_priv->saveMCHBAR_RENDER_STANDBY =
			I915_READ(RSTDBYCTL);
		dev_priv->savePCH_PORT_HOTPLUG = I915_READ(PCH_PORT_HOTPLUG);
	} else {
		dev_priv->saveIER = I915_READ(IER);
		dev_priv->saveIMR = I915_READ(IMR);
	}

	if (IS_IRONLAKE_M(dev))
		ironlake_disable_drps(dev);
	if (INTEL_INFO(dev)->gen >= 6)
		gen6_disable_rps(dev);

	
	dev_priv->saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0);

	
	dev_priv->saveMI_ARB_STATE = I915_READ(MI_ARB_STATE);

	
	for (i = 0; i < 16; i++) {
		dev_priv->saveSWF0[i] = I915_READ(SWF00 + (i << 2));
		dev_priv->saveSWF1[i] = I915_READ(SWF10 + (i << 2));
	}
	for (i = 0; i < 3; i++)
		dev_priv->saveSWF2[i] = I915_READ(SWF30 + (i << 2));

	mutex_unlock(&dev->struct_mutex);

	return 0;
}
Example #3
0
int i915_save_state(struct drm_device *dev)
{
	struct drm_i915_private *dev_priv = dev->dev_private;
	int i;

	dev_priv->saveLBB = pci_read_config(dev->dev, LBB, 1);

	/* Hardware status page */
	dev_priv->saveHWS = I915_READ(HWS_PGA);

	i915_save_display(dev);

	/* Interrupt state */
	if (HAS_PCH_SPLIT(dev)) {
		dev_priv->saveDEIER = I915_READ(DEIER);
		dev_priv->saveDEIMR = I915_READ(DEIMR);
		dev_priv->saveGTIER = I915_READ(GTIER);
		dev_priv->saveGTIMR = I915_READ(GTIMR);
		dev_priv->saveFDI_RXA_IMR = I915_READ(_FDI_RXA_IMR);
		dev_priv->saveFDI_RXB_IMR = I915_READ(_FDI_RXB_IMR);
		dev_priv->saveMCHBAR_RENDER_STANDBY =
			I915_READ(RSTDBYCTL);
		dev_priv->savePCH_PORT_HOTPLUG = I915_READ(PCH_PORT_HOTPLUG);
	} else {
		dev_priv->saveIER = I915_READ(IER);
		dev_priv->saveIMR = I915_READ(IMR);
	}

	if (IS_IRONLAKE_M(dev))
		ironlake_disable_drps(dev);
	if (INTEL_INFO(dev)->gen >= 6)
		gen6_disable_rps(dev);

	/* Cache mode state */
	dev_priv->saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0);

	/* Memory Arbitration state */
	dev_priv->saveMI_ARB_STATE = I915_READ(MI_ARB_STATE);

	/* Scratch space */
	for (i = 0; i < 16; i++) {
		dev_priv->saveSWF0[i] = I915_READ(SWF00 + (i << 2));
		dev_priv->saveSWF1[i] = I915_READ(SWF10 + (i << 2));
	}
	for (i = 0; i < 3; i++)
		dev_priv->saveSWF2[i] = I915_READ(SWF30 + (i << 2));

	return 0;
}