DRM_DEBUG_KMS("Assuming Ibex Peak PCH\n");
} else if (IS_GEN6(dev_priv) || IS_IVYBRIDGE(dev_priv)) {
ret = PCH_CPT;
- DRM_DEBUG_KMS("Assuming CouarPoint PCH\n");
+ DRM_DEBUG_KMS("Assuming CougarPoint PCH\n");
} else if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {
ret = PCH_LPT;
+ if (IS_HSW_ULT(dev_priv) || IS_BDW_ULT(dev_priv))
+ dev_priv->pch_id = INTEL_PCH_LPT_LP_DEVICE_ID_TYPE;
+ else
+ dev_priv->pch_id = INTEL_PCH_LPT_DEVICE_ID_TYPE;
DRM_DEBUG_KMS("Assuming LynxPoint PCH\n");
} else if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) {
ret = PCH_SPT;
while ((pch = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, pch))) {
if (pch->vendor == PCI_VENDOR_ID_INTEL) {
unsigned short id = pch->device & INTEL_PCH_DEVICE_ID_MASK;
- unsigned short id_ext = pch->device &
- INTEL_PCH_DEVICE_ID_MASK_EXT;
dev_priv->pch_id = id;
} else if (id == INTEL_PCH_CPT_DEVICE_ID_TYPE) {
dev_priv->pch_type = PCH_CPT;
DRM_DEBUG_KMS("Found CougarPoint PCH\n");
- WARN_ON(!(IS_GEN6(dev_priv) ||
- IS_IVYBRIDGE(dev_priv)));
+ WARN_ON(!IS_GEN6(dev_priv) &&
+ !IS_IVYBRIDGE(dev_priv));
} else if (id == INTEL_PCH_PPT_DEVICE_ID_TYPE) {
/* PantherPoint is CPT compatible */
dev_priv->pch_type = PCH_CPT;
DRM_DEBUG_KMS("Found PantherPoint PCH\n");
- WARN_ON(!(IS_GEN6(dev_priv) ||
- IS_IVYBRIDGE(dev_priv)));
+ WARN_ON(!IS_GEN6(dev_priv) &&
+ !IS_IVYBRIDGE(dev_priv));
} else if (id == INTEL_PCH_LPT_DEVICE_ID_TYPE) {
dev_priv->pch_type = PCH_LPT;
DRM_DEBUG_KMS("Found LynxPoint PCH\n");
!IS_BROADWELL(dev_priv));
WARN_ON(!IS_HSW_ULT(dev_priv) &&
!IS_BDW_ULT(dev_priv));
+ } else if (id == INTEL_PCH_WPT_DEVICE_ID_TYPE) {
+ /* WildcatPoint is LPT compatible */
+ dev_priv->pch_type = PCH_LPT;
+ DRM_DEBUG_KMS("Found WildcatPoint PCH\n");
+ WARN_ON(!IS_HASWELL(dev_priv) &&
+ !IS_BROADWELL(dev_priv));
+ WARN_ON(IS_HSW_ULT(dev_priv) ||
+ IS_BDW_ULT(dev_priv));
+ } else if (id == INTEL_PCH_WPT_LP_DEVICE_ID_TYPE) {
+ /* WildcatPoint is LPT compatible */
+ dev_priv->pch_type = PCH_LPT;
+ DRM_DEBUG_KMS("Found WildcatPoint LP PCH\n");
+ WARN_ON(!IS_HASWELL(dev_priv) &&
+ !IS_BROADWELL(dev_priv));
+ WARN_ON(!IS_HSW_ULT(dev_priv) &&
+ !IS_BDW_ULT(dev_priv));
} else if (id == INTEL_PCH_SPT_DEVICE_ID_TYPE) {
dev_priv->pch_type = PCH_SPT;
DRM_DEBUG_KMS("Found SunrisePoint PCH\n");
WARN_ON(!IS_SKYLAKE(dev_priv) &&
!IS_KABYLAKE(dev_priv));
- } else if (id_ext == INTEL_PCH_SPT_LP_DEVICE_ID_TYPE) {
+ } else if (id == INTEL_PCH_SPT_LP_DEVICE_ID_TYPE) {
dev_priv->pch_type = PCH_SPT;
DRM_DEBUG_KMS("Found SunrisePoint LP PCH\n");
WARN_ON(!IS_SKYLAKE(dev_priv) &&
DRM_DEBUG_KMS("Found CannonPoint PCH\n");
WARN_ON(!IS_CANNONLAKE(dev_priv) &&
!IS_COFFEELAKE(dev_priv));
- } else if (id_ext == INTEL_PCH_CNP_LP_DEVICE_ID_TYPE) {
+ } else if (id == INTEL_PCH_CNP_LP_DEVICE_ID_TYPE) {
dev_priv->pch_type = PCH_CNP;
DRM_DEBUG_KMS("Found CannonPoint LP PCH\n");
WARN_ON(!IS_CANNONLAKE(dev_priv) &&
!IS_COFFEELAKE(dev_priv));
- } else if ((id == INTEL_PCH_P2X_DEVICE_ID_TYPE) ||
- (id == INTEL_PCH_P3X_DEVICE_ID_TYPE) ||
- ((id == INTEL_PCH_QEMU_DEVICE_ID_TYPE) &&
+ } else if (id == INTEL_PCH_P2X_DEVICE_ID_TYPE ||
+ id == INTEL_PCH_P3X_DEVICE_ID_TYPE ||
+ (id == INTEL_PCH_QEMU_DEVICE_ID_TYPE &&
pch->subsystem_vendor ==
PCI_SUBVENDOR_ID_REDHAT_QUMRANET &&
pch->subsystem_device ==
break;
case I915_PARAM_HAS_GPU_RESET:
value = i915.enable_hangcheck && intel_has_gpu_reset(dev_priv);
+ if (value && intel_has_reset_engine(dev_priv))
+ value = 2;
break;
case I915_PARAM_HAS_RESOURCE_STREAMER:
value = HAS_RESOURCE_STREAMER(dev_priv);
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);
i915_gem_cleanup_engines(dev_priv);
- i915_gem_context_fini(dev_priv);
+ i915_gem_contexts_fini(dev_priv);
i915_gem_cleanup_userptr(dev_priv);
mutex_unlock(&dev_priv->drm.struct_mutex);
i915_gem_drain_freed_objects(dev_priv);
- WARN_ON(!list_empty(&dev_priv->context_list));
+ WARN_ON(!list_empty(&dev_priv->contexts.list));
}
static int i915_load_modeset_init(struct drm_device *dev)
* and the registers being closely associated.
*
* According to chipset errata, on the 965GM, MSI interrupts may
- * be lost or delayed, but we use them anyways to avoid
- * stuck interrupts on some machines.
+ * be lost or delayed, and was defeatured. MSI interrupts seem to
+ * get lost on g4x as well, and interrupt delivery seems to stay
+ * properly dead afterwards. So we'll just disable them for all
+ * pre-gen5 chipsets.
*/
- if (!IS_I945G(dev_priv) && !IS_I945GM(dev_priv)) {
+ if (INTEL_GEN(dev_priv) >= 5) {
if (pci_enable_msi(pdev) < 0)
DRM_DEBUG_DRIVER("can't enable MSI");
}
*/
static void i915_driver_unregister(struct drm_i915_private *dev_priv)
{
+ intel_fbdev_unregister(dev_priv);
intel_audio_deinit(dev_priv);
intel_gpu_ips_teardown();
struct drm_i915_private *dev_priv = to_i915(dev);
struct pci_dev *pdev = dev_priv->drm.pdev;
- intel_fbdev_fini(dev);
-
if (i915_gem_suspend(dev_priv))
DRM_ERROR("failed to idle hardware; continuing to unload!\n");
cancel_delayed_work_sync(&dev_priv->gpu_error.hangcheck_work);
i915_reset_error_state(dev_priv);
- /* Flush any outstanding unpin_work. */
- drain_workqueue(dev_priv->wq);
-
i915_gem_fini(dev_priv);
intel_uc_fini_fw(dev_priv);
intel_fbc_cleanup_cfb(dev_priv);
static int i915_driver_open(struct drm_device *dev, struct drm_file *file)
{
+ struct drm_i915_private *i915 = to_i915(dev);
int ret;
- ret = i915_gem_open(dev, file);
+ ret = i915_gem_open(i915, file);
if (ret)
return ret;
struct drm_i915_file_private *file_priv = file->driver_priv;
mutex_lock(&dev->struct_mutex);
- i915_gem_context_close(dev, file);
+ i915_gem_context_close(file);
i915_gem_release(dev, file);
mutex_unlock(&dev->struct_mutex);
error:
i915_gem_set_wedged(dev_priv);
+ i915_gem_retire_requests(dev_priv);
goto finish;
}
+/**
+ * i915_reset_engine - reset GPU engine to recover from a hang
+ * @engine: engine to reset
+ *
+ * Reset a specific GPU engine. Useful if a hang is detected.
+ * Returns zero on successful reset or otherwise an error code.
+ *
+ * Procedure is:
+ * - identifies the request that caused the hang and it is dropped
+ * - reset engine (which will force the engine to idle)
+ * - re-init/configure engine
+ */
+int i915_reset_engine(struct intel_engine_cs *engine)
+{
+ struct i915_gpu_error *error = &engine->i915->gpu_error;
+ struct drm_i915_gem_request *active_request;
+ int ret;
+
+ GEM_BUG_ON(!test_bit(I915_RESET_ENGINE + engine->id, &error->flags));
+
+ DRM_DEBUG_DRIVER("resetting %s\n", engine->name);
+
+ active_request = i915_gem_reset_prepare_engine(engine);
+ if (IS_ERR(active_request)) {
+ DRM_DEBUG_DRIVER("Previous reset failed, promote to full reset\n");
+ ret = PTR_ERR(active_request);
+ goto out;
+ }
+
+ /*
+ * The request that caused the hang is stuck on elsp, we know the
+ * active request and can drop it, adjust head to skip the offending
+ * request to resume executing remaining requests in the queue.
+ */
+ i915_gem_reset_engine(engine, active_request);
+
+ /* Finally, reset just this engine. */
+ ret = intel_gpu_reset(engine->i915, intel_engine_flag(engine));
+
+ i915_gem_reset_finish_engine(engine);
+
+ if (ret) {
+ /* If we fail here, we expect to fallback to a global reset */
+ DRM_DEBUG_DRIVER("Failed to reset %s, ret=%d\n",
+ engine->name, ret);
+ goto out;
+ }
+
+ /*
+ * The engine and its registers (and workarounds in case of render)
+ * have been reset to their default values. Follow the init_ring
+ * process to program RING_MODE, HWSP and re-enable submission.
+ */
+ ret = engine->init_hw(engine);
+ if (ret)
+ goto out;
+
+ error->reset_engine_count[engine->id]++;
+out:
+ return ret;
+}
+
static int i915_pm_suspend(struct device *kdev)
{
struct pci_dev *pdev = to_pci_dev(kdev);
projects / linux-2.6-block.git / blobdiff