diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_dma.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index b55fef3679d9..81856f126622 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1073,6 +1073,9 @@ static int i915_driver_init_early(struct drm_i915_private *dev_priv, memcpy(device_info, info, sizeof(dev_priv->info)); device_info->device_id = dev->pdev->device; + BUG_ON(device_info->gen > sizeof(device_info->gen_mask) * BITS_PER_BYTE); + device_info->gen_mask = BIT(device_info->gen - 1); + spin_lock_init(&dev_priv->irq_lock); spin_lock_init(&dev_priv->gpu_error.lock); mutex_init(&dev_priv->backlight_lock); |