Merge tag 'drm-intel-next-2018-06-06' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

- Ice Lake's display enabling patches (Jose, Mahesh, Dhinakaran, Paulo, Manasi, Anusha, Arkadiusz)
- Ice Lake's workarounds (Oscar and Yunwei)
- Ice Lake interrupt registers fixes (Oscar)
- Context switch timeline fixes and improvements (Chris)
- Spelling fixes (Colin)
- GPU reset fixes and improvements (Chris)
  - Including fixes on execlist and preemption for a proper GPU reset (Chris)
- Clean-up the port pipe select bits (Ville)
- Other execlist improvements (Chris)
- Remove unused enable_cmd_parser parameter (Chris)
- Fix order of enabling pipe/transcoder/planes on HSW+ to avoid hang on ICL (Paulo)
- Simplification and changes on intel_context (Chris)
- Disable LVDS on Radiant P845 (Ondrej)
- Improve HSW/BDW voltage swing handling (Ville)
- Cleanup and renames on few parts of intel_dp code to make code clear and less confusing (Ville)
- Move acpi lid notification code for fixing LVDS (Chris)
- Speed up GPU idle detection (Chris)
- Make intel_engine_dump irqsafe (Chris)
- Fix GVT crash (Zhenyu)
- Move GEM BO inside drm_framebuffer and use intel_fb_obj everywhere (Chris)
- Revert edp's alternate fixed mode (Jani)
- Protect tainted function pointer lookup (Chris)
  - And subsequent unsigned long size fix (Chris)
- Allow page directory allocation to fail (Chris)
- VBT's edp and lvds fix and clean-up (Ville)
- Many other reorganizations and cleanups on DDI and DP code, as well on scaler and planes (Ville)
- Selftest pin the mock kernel context (Chris)
- Many PSR Fixes, clean-up and improvements (Dhinakaran)
- PSR VBT fix (Vathsala)
- Fix i915_scheduler and intel_context declaration (Tvrtko)
- Improve PCH underruns detection on ILK-IVB (Ville)
- Few s/drm_priv/i915 (Chris, Michal)
- Notify opregion of the sanitized encoder state (Maarten)
- Guc's event handling improvements and fixes on initialization failures (Michal)
- Many gtt fixes and improvements (Chris)
- Fixes and improvements for Suspend and Freeze safely (Chris)
- i915_gem init and fini cleanup and fixes (Michal)
- Remove obsolete switch_mm for gen8+ (Chris)
- hw and context id fixes for GuC (Lionel)
- Add new vGPU cap info bit VGT_CAPS_HUGE_GTT (Changbin)
- Make context pin/unpin symmetric (Chris)
- vma: Move the bind_count vs pin_count assertion to a helper (Chris)
- Use available SZ_1M instead of 1 << 20 (Chris)
- Trace and PMU fixes and improvements (Tvrtko)

Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180611162737.GA2378@intel.com

1 files changed, 47 insertions, 36 deletions

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 9c449b8d8eab..be71fdf8d92e 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -67,6 +67,7 @@ bool __i915_inject_load_failure(const char *func, int line)
 	if (++i915_load_fail_count == i915_modparams.inject_load_failure) {
 		DRM_INFO("Injecting failure at checkpoint %u [%s:%d]\n",
 			 i915_modparams.inject_load_failure, func, line);
+		i915_modparams.inject_load_failure = 0;
 		return true;
 	}
 
@@ -117,16 +118,15 @@ __i915_printk(struct drm_i915_private *dev_priv, const char *level,
 static bool i915_error_injected(struct drm_i915_private *dev_priv)
 {
 #if IS_ENABLED(CONFIG_DRM_I915_DEBUG)
-	return i915_modparams.inject_load_failure &&
-	       i915_load_fail_count == i915_modparams.inject_load_failure;
+	return i915_load_fail_count && !i915_modparams.inject_load_failure;
 #else
 	return false;
 #endif
 }
 
-#define i915_load_error(dev_priv, fmt, ...)				     \
-	__i915_printk(dev_priv,						     \
-		      i915_error_injected(dev_priv) ? KERN_DEBUG : KERN_ERR, \
+#define i915_load_error(i915, fmt, ...)					 \
+	__i915_printk(i915,						 \
+		      i915_error_injected(i915) ? KERN_DEBUG : KERN_ERR, \
 		      fmt, ##__VA_ARGS__)
 
 /* Map PCH device id to PCH type, or PCH_NONE if unknown. */
@@ -233,6 +233,8 @@ intel_virt_detect_pch(const struct drm_i915_private *dev_priv)
 		id = INTEL_PCH_SPT_DEVICE_ID_TYPE;
 	else if (IS_COFFEELAKE(dev_priv) || IS_CANNONLAKE(dev_priv))
 		id = INTEL_PCH_CNP_DEVICE_ID_TYPE;
+	else if (IS_ICELAKE(dev_priv))
+		id = INTEL_PCH_ICP_DEVICE_ID_TYPE;
 
 	if (id)
 		DRM_DEBUG_KMS("Assuming PCH ID %04x\n", id);
@@ -634,26 +636,6 @@ static const struct vga_switcheroo_client_ops i915_switcheroo_ops = {
 	.can_switch = i915_switcheroo_can_switch,
 };
 
-static void i915_gem_fini(struct drm_i915_private *dev_priv)
-{
-	/* Flush any outstanding unpin_work. */
-	i915_gem_drain_workqueue(dev_priv);
-
-	mutex_lock(&dev_priv->drm.struct_mutex);
-	intel_uc_fini_hw(dev_priv);
-	intel_uc_fini(dev_priv);
-	i915_gem_cleanup_engines(dev_priv);
-	i915_gem_contexts_fini(dev_priv);
-	mutex_unlock(&dev_priv->drm.struct_mutex);
-
-	intel_uc_fini_misc(dev_priv);
-	i915_gem_cleanup_userptr(dev_priv);
-
-	i915_gem_drain_freed_objects(dev_priv);
-
-	WARN_ON(!list_empty(&dev_priv->contexts.list));
-}
-
 static int i915_load_modeset_init(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = to_i915(dev);
@@ -1553,12 +1535,30 @@ static bool suspend_to_idle(struct drm_i915_private *dev_priv)
 	return false;
 }
 
+static int i915_drm_prepare(struct drm_device *dev)
+{
+	struct drm_i915_private *i915 = to_i915(dev);
+	int err;
+
+	/*
+	 * NB intel_display_suspend() may issue new requests after we've
+	 * ostensibly marked the GPU as ready-to-sleep here. We need to
+	 * split out that work and pull it forward so that after point,
+	 * the GPU is not woken again.
+	 */
+	err = i915_gem_suspend(i915);
+	if (err)
+		dev_err(&i915->drm.pdev->dev,
+			"GEM idle failed, suspend/resume might fail\n");
+
+	return err;
+}
+
 static int i915_drm_suspend(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = to_i915(dev);
 	struct pci_dev *pdev = dev_priv->drm.pdev;
 	pci_power_t opregion_target_state;
-	int error;
 
 	/* ignore lid events during suspend */
 	mutex_lock(&dev_priv->modeset_restore_lock);
@@ -1575,13 +1575,6 @@ static int i915_drm_suspend(struct drm_device *dev)
 
 	pci_save_state(pdev);
 
-	error = i915_gem_suspend(dev_priv);
-	if (error) {
-		dev_err(&pdev->dev,
-			"GEM idle failed, resume might fail\n");
-		goto out;
-	}
-
 	intel_display_suspend(dev);
 
 	intel_dp_mst_suspend(dev);
@@ -1600,7 +1593,6 @@ static int i915_drm_suspend(struct drm_device *dev)
 	opregion_target_state = suspend_to_idle(dev_priv) ? PCI_D1 : PCI_D3cold;
 	intel_opregion_notify_adapter(dev_priv, opregion_target_state);
 
-	intel_uncore_suspend(dev_priv);
 	intel_opregion_unregister(dev_priv);
 
 	intel_fbdev_set_suspend(dev, FBINFO_STATE_SUSPENDED, true);
@@ -1609,10 +1601,9 @@ static int i915_drm_suspend(struct drm_device *dev)
 
 	intel_csr_ucode_suspend(dev_priv);
 
-out:
 	enable_rpm_wakeref_asserts(dev_priv);
 
-	return error;
+	return 0;
 }
 
 static int i915_drm_suspend_late(struct drm_device *dev, bool hibernation)
@@ -1623,7 +1614,10 @@ static int i915_drm_suspend_late(struct drm_device *dev, bool hibernation)
 
 	disable_rpm_wakeref_asserts(dev_priv);
 
+	i915_gem_suspend_late(dev_priv);
+
 	intel_display_set_init_power(dev_priv, false);
+	intel_uncore_suspend(dev_priv);
 
 	/*
 	 * In case of firmware assisted context save/restore don't manually
@@ -2081,6 +2075,22 @@ out:
 	return ret;
 }
 
+static int i915_pm_prepare(struct device *kdev)
+{
+	struct pci_dev *pdev = to_pci_dev(kdev);
+	struct drm_device *dev = pci_get_drvdata(pdev);
+
+	if (!dev) {
+		dev_err(kdev, "DRM not initialized, aborting suspend.\n");
+		return -ENODEV;
+	}
+
+	if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
+		return 0;
+
+	return i915_drm_prepare(dev);
+}
+
 static int i915_pm_suspend(struct device *kdev)
 {
 	struct pci_dev *pdev = to_pci_dev(kdev);
@@ -2731,6 +2741,7 @@ const struct dev_pm_ops i915_pm_ops = {
 	 * S0ix (via system suspend) and S3 event handlers [PMSG_SUSPEND,
 	 * PMSG_RESUME]
 	 */
+	.prepare = i915_pm_prepare,
 	.suspend = i915_pm_suspend,
 	.suspend_late = i915_pm_suspend_late,
 	.resume_early = i915_pm_resume_early,