diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 83 |
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, |