C++ (Cpp) i915_check_and_clear_faults Examples

Example #1

File: i915_drv.c Project: Truefans/KVMGT-kernel

static int i915_drm_thaw(struct drm_device *dev)
{
	if (drm_core_check_feature(dev, DRIVER_MODESET))
		i915_check_and_clear_faults(dev);

	return __i915_drm_thaw(dev, true);
}

Example #2

File: i915_drv.c Project: ManCheol/kernel

static int i915_drm_thaw(struct drm_device *dev)
{
	int error = 0;

	intel_uncore_sanitize(dev);

	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
		mutex_lock(&dev->struct_mutex);
		i915_gem_restore_gtt_mappings(dev);
		mutex_unlock(&dev->struct_mutex);
	} else if (drm_core_check_feature(dev, DRIVER_MODESET))
		i915_check_and_clear_faults(dev);

	__i915_drm_thaw(dev);

	return error;
}

Example #3

File: intel_uncore.c Project: volk3/CS736

void intel_uncore_early_sanitize(struct drm_device *dev, bool restore_forcewake)
{
	__intel_uncore_early_sanitize(dev, restore_forcewake);
	i915_check_and_clear_faults(dev);
}

Example #4

File: intel_uncore.c Project: volk3/CS736

void intel_uncore_init(struct drm_device *dev)
{
	struct drm_i915_private *dev_priv = dev->dev_private;

	setup_timer(&dev_priv->uncore.force_wake_timer,
		    gen6_force_wake_timer, (unsigned long)dev_priv);

	__intel_uncore_early_sanitize(dev, false);

	if (IS_GEN9(dev)) {
		dev_priv->uncore.funcs.force_wake_get = __gen9_force_wake_get;
		dev_priv->uncore.funcs.force_wake_put = __gen9_force_wake_put;
	} else if (IS_VALLEYVIEW(dev)) {
		dev_priv->uncore.funcs.force_wake_get = __vlv_force_wake_get;
		dev_priv->uncore.funcs.force_wake_put = __vlv_force_wake_put;
	} else if (IS_HASWELL(dev) || IS_BROADWELL(dev)) {
		dev_priv->uncore.funcs.force_wake_get = __gen7_gt_force_wake_mt_get;
		dev_priv->uncore.funcs.force_wake_put = __gen7_gt_force_wake_mt_put;
	} else if (IS_IVYBRIDGE(dev)) {
		u32 ecobus;

		/* IVB configs may use multi-threaded forcewake */

		/* A small trick here - if the bios hasn't configured
		 * MT forcewake, and if the device is in RC6, then
		 * force_wake_mt_get will not wake the device and the
		 * ECOBUS read will return zero. Which will be
		 * (correctly) interpreted by the test below as MT
		 * forcewake being disabled.
		 */
		mutex_lock(&dev->struct_mutex);
		__gen7_gt_force_wake_mt_get(dev_priv, FORCEWAKE_ALL);
		ecobus = __raw_i915_read32(dev_priv, ECOBUS);
		__gen7_gt_force_wake_mt_put(dev_priv, FORCEWAKE_ALL);
		mutex_unlock(&dev->struct_mutex);

		if (ecobus & FORCEWAKE_MT_ENABLE) {
			dev_priv->uncore.funcs.force_wake_get =
				__gen7_gt_force_wake_mt_get;
			dev_priv->uncore.funcs.force_wake_put =
				__gen7_gt_force_wake_mt_put;
		} else {
			DRM_INFO("No MT forcewake available on Ivybridge, this can result in issues\n");
			DRM_INFO("when using vblank-synced partial screen updates.\n");
			dev_priv->uncore.funcs.force_wake_get =
				__gen6_gt_force_wake_get;
			dev_priv->uncore.funcs.force_wake_put =
				__gen6_gt_force_wake_put;
		}
	} else if (IS_GEN6(dev)) {
		dev_priv->uncore.funcs.force_wake_get =
			__gen6_gt_force_wake_get;
		dev_priv->uncore.funcs.force_wake_put =
			__gen6_gt_force_wake_put;
	}

	switch (INTEL_INFO(dev)->gen) {
	default:
		WARN_ON(1);
		return;
	case 9:
		ASSIGN_WRITE_MMIO_VFUNCS(gen9);
		ASSIGN_READ_MMIO_VFUNCS(gen9);
		break;
	case 8:
		if (IS_CHERRYVIEW(dev)) {
			ASSIGN_WRITE_MMIO_VFUNCS(chv);
			ASSIGN_READ_MMIO_VFUNCS(chv);

		} else {
			ASSIGN_WRITE_MMIO_VFUNCS(gen8);
			ASSIGN_READ_MMIO_VFUNCS(gen6);
		}
		break;
	case 7:
	case 6:
		if (IS_HASWELL(dev)) {
			ASSIGN_WRITE_MMIO_VFUNCS(hsw);
		} else {
			ASSIGN_WRITE_MMIO_VFUNCS(gen6);
		}

		if (IS_VALLEYVIEW(dev)) {
			ASSIGN_READ_MMIO_VFUNCS(vlv);
		} else {
			ASSIGN_READ_MMIO_VFUNCS(gen6);
		}
		break;
	case 5:
		ASSIGN_WRITE_MMIO_VFUNCS(gen5);
		ASSIGN_READ_MMIO_VFUNCS(gen5);
		break;
	case 4:
	case 3:
	case 2:
		ASSIGN_WRITE_MMIO_VFUNCS(gen4);
		ASSIGN_READ_MMIO_VFUNCS(gen4);
		break;
	}

	i915_check_and_clear_faults(dev);
}