diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_dma.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 53 |
1 files changed, 31 insertions, 22 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 5c648425c1e..15a74f979b4 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -42,6 +42,8 @@ #include <linux/vga_switcheroo.h> #include <linux/slab.h> #include <acpi/video.h> +#include <linux/pm.h> +#include <linux/pm_runtime.h> #define LP_RING(d) (&((struct drm_i915_private *)(d))->ring[RCS]) @@ -791,7 +793,7 @@ static int i915_wait_irq(struct drm_device * dev, int irq_nr) master_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT; if (ring->irq_get(ring)) { - DRM_WAIT_ON(ret, ring->irq_queue, 3 * DRM_HZ, + DRM_WAIT_ON(ret, ring->irq_queue, 3 * HZ, READ_BREADCRUMB(dev_priv) >= irq_nr); ring->irq_put(ring); } else if (wait_for(READ_BREADCRUMB(dev_priv) >= irq_nr, 3000)) @@ -828,7 +830,7 @@ static int i915_irq_emit(struct drm_device *dev, void *data, result = i915_emit_irq(dev); mutex_unlock(&dev->struct_mutex); - if (DRM_COPY_TO_USER(emit->irq_seq, &result, sizeof(int))) { + if (copy_to_user(emit->irq_seq, &result, sizeof(int))) { DRM_ERROR("copy_to_user\n"); return -EFAULT; } @@ -1016,8 +1018,8 @@ static int i915_getparam(struct drm_device *dev, void *data, return -EINVAL; } - if (DRM_COPY_TO_USER(param->value, &value, sizeof(int))) { - DRM_ERROR("DRM_COPY_TO_USER failed\n"); + if (copy_to_user(param->value, &value, sizeof(int))) { + DRM_ERROR("copy_to_user failed\n"); return -EFAULT; } @@ -1411,7 +1413,7 @@ void i915_master_destroy(struct drm_device *dev, struct drm_master *master) master->driver_priv = NULL; } -#ifdef CONFIG_DRM_I915_FBDEV +#if IS_ENABLED(CONFIG_FB) static void i915_kick_out_firmware_fb(struct drm_i915_private *dev_priv) { struct apertures_struct *ap; @@ -1484,6 +1486,10 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) return -ENODEV; } + /* UMS needs agp support. */ + if (!drm_core_check_feature(dev, DRIVER_MODESET) && !dev->agp) + return -EINVAL; + dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL); if (dev_priv == NULL) return -ENOMEM; @@ -1494,7 +1500,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) spin_lock_init(&dev_priv->irq_lock); spin_lock_init(&dev_priv->gpu_error.lock); - spin_lock_init(&dev_priv->backlight.lock); + spin_lock_init(&dev_priv->backlight_lock); spin_lock_init(&dev_priv->uncore.lock); spin_lock_init(&dev_priv->mm.object_stat_lock); mutex_init(&dev_priv->dpio_lock); @@ -1639,8 +1645,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) goto out_gem_unload; } - if (HAS_POWER_WELL(dev)) - intel_power_domains_init(dev); + intel_power_domains_init(dev); if (drm_core_check_feature(dev, DRIVER_MODESET)) { ret = i915_load_modeset_init(dev); @@ -1664,11 +1669,12 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) if (IS_GEN5(dev)) intel_gpu_ips_init(dev_priv); + intel_init_runtime_pm(dev_priv); + return 0; out_power_well: - if (HAS_POWER_WELL(dev)) - intel_power_domains_remove(dev); + intel_power_domains_remove(dev); drm_vblank_cleanup(dev); out_gem_unload: if (dev_priv->mm.inactive_shrinker.scan_objects) @@ -1679,6 +1685,7 @@ out_gem_unload: intel_teardown_gmbus(dev); intel_teardown_mchbar(dev); + pm_qos_remove_request(&dev_priv->pm_qos); destroy_workqueue(dev_priv->wq); out_mtrrfree: arch_phys_wc_del(dev_priv->gtt.mtrr); @@ -1704,25 +1711,27 @@ int i915_driver_unload(struct drm_device *dev) struct drm_i915_private *dev_priv = dev->dev_private; int ret; + ret = i915_gem_suspend(dev); + if (ret) { + DRM_ERROR("failed to idle hardware: %d\n", ret); + return ret; + } + + intel_fini_runtime_pm(dev_priv); + intel_gpu_ips_teardown(); - if (HAS_POWER_WELL(dev)) { - /* The i915.ko module is still not prepared to be loaded when - * the power well is not enabled, so just enable it in case - * we're going to unload/reload. */ - intel_display_set_init_power(dev, true); - intel_power_domains_remove(dev); - } + /* The i915.ko module is still not prepared to be loaded when + * the power well is not enabled, so just enable it in case + * we're going to unload/reload. */ + intel_display_set_init_power(dev, true); + intel_power_domains_remove(dev); i915_teardown_sysfs(dev); if (dev_priv->mm.inactive_shrinker.scan_objects) unregister_shrinker(&dev_priv->mm.inactive_shrinker); - ret = i915_gem_suspend(dev); - if (ret) - DRM_ERROR("failed to idle hardware: %d\n", ret); - io_mapping_free(dev_priv->gtt.mappable); arch_phys_wc_del(dev_priv->gtt.mtrr); @@ -1777,7 +1786,6 @@ int i915_driver_unload(struct drm_device *dev) list_del(&dev_priv->gtt.base.global_link); WARN_ON(!list_empty(&dev_priv->vm_list)); - drm_mm_takedown(&dev_priv->gtt.base.mm); drm_vblank_cleanup(dev); @@ -1910,6 +1918,7 @@ const struct drm_ioctl_desc i915_ioctls[] = { DRM_IOCTL_DEF_DRV(I915_GEM_CONTEXT_CREATE, i915_gem_context_create_ioctl, DRM_UNLOCKED|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(I915_GEM_CONTEXT_DESTROY, i915_gem_context_destroy_ioctl, DRM_UNLOCKED|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(I915_REG_READ, i915_reg_read_ioctl, DRM_UNLOCKED|DRM_RENDER_ALLOW), + DRM_IOCTL_DEF_DRV(I915_GET_RESET_STATS, i915_get_reset_stats_ioctl, DRM_UNLOCKED|DRM_RENDER_ALLOW), }; int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls); |