diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_dma.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 73 |
1 files changed, 47 insertions, 26 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index d44344140627..2e7f03ad5ee2 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -138,7 +138,7 @@ static void i915_free_hws(struct drm_device *dev) I915_WRITE(HWS_PGA, 0x1ffff000); } -void i915_kernel_lost_context(struct drm_device * dev) +void i915_kernel_lost_context(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_master_private *master_priv; @@ -166,7 +166,7 @@ void i915_kernel_lost_context(struct drm_device * dev) master_priv->sarea_priv->perf_boxes |= I915_BOX_RING_EMPTY; } -static int i915_dma_cleanup(struct drm_device * dev) +static int i915_dma_cleanup(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; int i; @@ -190,7 +190,7 @@ static int i915_dma_cleanup(struct drm_device * dev) return 0; } -static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init) +static int i915_initialize(struct drm_device *dev, drm_i915_init_t *init) { struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; @@ -235,7 +235,7 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init) return 0; } -static int i915_dma_resume(struct drm_device * dev) +static int i915_dma_resume(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; struct intel_engine_cs *ring = LP_RING(dev_priv); @@ -359,7 +359,7 @@ static int validate_cmd(int cmd) return 0; } -static int i915_emit_cmds(struct drm_device * dev, int *buffer, int dwords) +static int i915_emit_cmds(struct drm_device *dev, int *buffer, int dwords) { struct drm_i915_private *dev_priv = dev->dev_private; int i, ret; @@ -369,6 +369,7 @@ static int i915_emit_cmds(struct drm_device * dev, int *buffer, int dwords) for (i = 0; i < dwords;) { int sz = validate_cmd(buffer[i]); + if (sz == 0 || i + sz > dwords) return -EINVAL; i += sz; @@ -453,7 +454,7 @@ static void i915_emit_breadcrumb(struct drm_device *dev) } } -static int i915_dispatch_cmdbuffer(struct drm_device * dev, +static int i915_dispatch_cmdbuffer(struct drm_device *dev, drm_i915_cmdbuffer_t *cmd, struct drm_clip_rect *cliprects, void *cmdbuf) @@ -487,8 +488,8 @@ static int i915_dispatch_cmdbuffer(struct drm_device * dev, return 0; } -static int i915_dispatch_batchbuffer(struct drm_device * dev, - drm_i915_batchbuffer_t * batch, +static int i915_dispatch_batchbuffer(struct drm_device *dev, + drm_i915_batchbuffer_t *batch, struct drm_clip_rect *cliprects) { struct drm_i915_private *dev_priv = dev->dev_private; @@ -549,7 +550,7 @@ static int i915_dispatch_batchbuffer(struct drm_device * dev, return 0; } -static int i915_dispatch_flip(struct drm_device * dev) +static int i915_dispatch_flip(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_master_private *master_priv = @@ -755,7 +756,7 @@ fail_batch_free: return ret; } -static int i915_emit_irq(struct drm_device * dev) +static int i915_emit_irq(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; @@ -781,7 +782,7 @@ static int i915_emit_irq(struct drm_device * dev) return dev_priv->dri1.counter; } -static int i915_wait_irq(struct drm_device * dev, int irq_nr) +static int i915_wait_irq(struct drm_device *dev, int irq_nr) { struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; @@ -1266,6 +1267,7 @@ static void i915_switcheroo_set_state(struct pci_dev *pdev, enum vga_switcheroo_ { struct drm_device *dev = pci_get_drvdata(pdev); pm_message_t pmm = { .event = PM_EVENT_SUSPEND }; + if (state == VGA_SWITCHEROO_ON) { pr_info("switched on\n"); dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; @@ -1338,6 +1340,8 @@ static int i915_load_modeset_init(struct drm_device *dev) if (ret) goto cleanup_gem_stolen; + dev_priv->pm._irqs_disabled = false; + /* Important: The output setup functions called by modeset_init need * working irqs for e.g. gmbus and dp aux transfers. */ intel_modeset_init(dev); @@ -1375,9 +1379,6 @@ static int i915_load_modeset_init(struct drm_device *dev) */ intel_fbdev_initial_config(dev); - /* Only enable hotplug handling once the fbdev is fully set up. */ - dev_priv->enable_hotplug_processing = true; - drm_kms_helper_poll_init(dev); return 0; @@ -1425,15 +1426,16 @@ void i915_master_destroy(struct drm_device *dev, struct drm_master *master) } #if IS_ENABLED(CONFIG_FB) -static void i915_kick_out_firmware_fb(struct drm_i915_private *dev_priv) +static int i915_kick_out_firmware_fb(struct drm_i915_private *dev_priv) { struct apertures_struct *ap; struct pci_dev *pdev = dev_priv->dev->pdev; bool primary; + int ret; ap = alloc_apertures(1); if (!ap) - return; + return -ENOMEM; ap->ranges[0].base = dev_priv->gtt.mappable_base; ap->ranges[0].size = dev_priv->gtt.mappable_end; @@ -1441,13 +1443,16 @@ static void i915_kick_out_firmware_fb(struct drm_i915_private *dev_priv) primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; - remove_conflicting_framebuffers(ap, "inteldrmfb", primary); + ret = remove_conflicting_framebuffers(ap, "inteldrmfb", primary); kfree(ap); + + return ret; } #else -static void i915_kick_out_firmware_fb(struct drm_i915_private *dev_priv) +static int i915_kick_out_firmware_fb(struct drm_i915_private *dev_priv) { + return 0; } #endif @@ -1492,10 +1497,11 @@ static void i915_dump_device_info(struct drm_i915_private *dev_priv) #define SEP_EMPTY #define PRINT_FLAG(name) info->name ? #name "," : "" #define SEP_COMMA , - DRM_DEBUG_DRIVER("i915 device info: gen=%i, pciid=0x%04x flags=" + DRM_DEBUG_DRIVER("i915 device info: gen=%i, pciid=0x%04x rev=0x%02x flags=" DEV_INFO_FOR_EACH_FLAG(PRINT_S, SEP_EMPTY), info->gen, dev_priv->dev->pdev->device, + dev_priv->dev->pdev->revision, DEV_INFO_FOR_EACH_FLAG(PRINT_FLAG, SEP_COMMA)); #undef PRINT_S #undef SEP_EMPTY @@ -1594,7 +1600,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) if (dev_priv == NULL) return -ENOMEM; - dev->dev_private = (void *)dev_priv; + dev->dev_private = dev_priv; dev_priv->dev = dev; /* copy initial configuration to dev_priv->info */ @@ -1606,6 +1612,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) spin_lock_init(&dev_priv->backlight_lock); spin_lock_init(&dev_priv->uncore.lock); spin_lock_init(&dev_priv->mm.object_stat_lock); + spin_lock_init(&dev_priv->mmio_flip_lock); mutex_init(&dev_priv->dpio_lock); mutex_init(&dev_priv->modeset_restore_lock); @@ -1664,7 +1671,11 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) goto out_gtt; } - i915_kick_out_firmware_fb(dev_priv); + ret = i915_kick_out_firmware_fb(dev_priv); + if (ret) { + DRM_ERROR("failed to remove conflicting framebuffer drivers\n"); + goto out_gtt; + } } pci_set_master(dev->pdev); @@ -1717,6 +1728,13 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) goto out_mtrrfree; } + dev_priv->dp_wq = alloc_ordered_workqueue("i915-dp", 0); + if (dev_priv->dp_wq == NULL) { + DRM_ERROR("Failed to create our dp workqueue.\n"); + ret = -ENOMEM; + goto out_freewq; + } + intel_irq_init(dev); intel_uncore_sanitize(dev); @@ -1792,6 +1810,8 @@ out_gem_unload: intel_teardown_gmbus(dev); intel_teardown_mchbar(dev); pm_qos_remove_request(&dev_priv->pm_qos); + destroy_workqueue(dev_priv->dp_wq); +out_freewq: destroy_workqueue(dev_priv->wq); out_mtrrfree: arch_phys_wc_del(dev_priv->gtt.mtrr); @@ -1892,6 +1912,7 @@ int i915_driver_unload(struct drm_device *dev) intel_teardown_gmbus(dev); intel_teardown_mchbar(dev); + destroy_workqueue(dev_priv->dp_wq); destroy_workqueue(dev_priv->wq); pm_qos_remove_request(&dev_priv->pm_qos); @@ -1933,7 +1954,7 @@ int i915_driver_open(struct drm_device *dev, struct drm_file *file) * and DMA structures, since the kernel won't be using them, and clea * up any GEM state. */ -void i915_driver_lastclose(struct drm_device * dev) +void i915_driver_lastclose(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; @@ -1954,11 +1975,11 @@ void i915_driver_lastclose(struct drm_device * dev) i915_dma_cleanup(dev); } -void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv) +void i915_driver_preclose(struct drm_device *dev, struct drm_file *file) { mutex_lock(&dev->struct_mutex); - i915_gem_context_close(dev, file_priv); - i915_gem_release(dev, file_priv); + i915_gem_context_close(dev, file); + i915_gem_release(dev, file); mutex_unlock(&dev->struct_mutex); } @@ -2031,7 +2052,7 @@ int i915_max_ioctl = ARRAY_SIZE(i915_ioctls); * manage the gtt, we need to claim that all intel devices are agp. For * otherwise the drm core refuses to initialize the agp support code. */ -int i915_driver_device_is_agp(struct drm_device * dev) +int i915_driver_device_is_agp(struct drm_device *dev) { return 1; } |