diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 22 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_suspend.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/qxl/qxl_ioctl.c | 5 |
4 files changed, 13 insertions, 17 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index cc1d6056ab7..a416645bcd2 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1806,6 +1806,8 @@ struct drm_gem_object *i915_gem_prime_import(struct drm_device *dev, struct dma_buf *i915_gem_prime_export(struct drm_device *dev, struct drm_gem_object *gem_obj, int flags); +void i915_gem_restore_fences(struct drm_device *dev); + /* i915_gem_context.c */ void i915_gem_context_init(struct drm_device *dev); void i915_gem_context_fini(struct drm_device *dev); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 06d66e09da1..97afd2639fb 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2251,25 +2251,15 @@ static void i915_gem_reset_ring_lists(struct drm_i915_private *dev_priv, } } -static void i915_gem_reset_fences(struct drm_device *dev) +void i915_gem_restore_fences(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; int i; for (i = 0; i < dev_priv->num_fence_regs; i++) { struct drm_i915_fence_reg *reg = &dev_priv->fence_regs[i]; - - if (reg->obj) - i915_gem_object_fence_lost(reg->obj); - - i915_gem_write_fence(dev, i, NULL); - - reg->pin_count = 0; - reg->obj = NULL; - INIT_LIST_HEAD(®->lru_list); + i915_gem_write_fence(dev, i, reg->obj); } - - INIT_LIST_HEAD(&dev_priv->mm.fence_list); } void i915_gem_reset(struct drm_device *dev) @@ -2292,8 +2282,7 @@ void i915_gem_reset(struct drm_device *dev) obj->base.read_domains &= ~I915_GEM_GPU_DOMAINS; } - /* The fence registers are invalidated so clear them out */ - i915_gem_reset_fences(dev); + i915_gem_restore_fences(dev); } /** @@ -4003,8 +3992,6 @@ i915_gem_idle(struct drm_device *dev) if (!drm_core_check_feature(dev, DRIVER_MODESET)) i915_gem_evict_everything(dev); - i915_gem_reset_fences(dev); - /* Hack! Don't let anybody do execbuf while we don't control the chip. * We need to replace this with a semaphore, or something. * And not confound mm.suspended! @@ -4340,7 +4327,8 @@ i915_gem_load(struct drm_device *dev) dev_priv->num_fence_regs = 8; /* Initialize fence registers to zero */ - i915_gem_reset_fences(dev); + INIT_LIST_HEAD(&dev_priv->mm.fence_list); + i915_gem_restore_fences(dev); i915_gem_detect_bit_6_swizzle(dev); init_waitqueue_head(&dev_priv->pending_flip_queue); diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c index 88b9a663944..70db618989c 100644 --- a/drivers/gpu/drm/i915/i915_suspend.c +++ b/drivers/gpu/drm/i915/i915_suspend.c @@ -394,6 +394,7 @@ int i915_restore_state(struct drm_device *dev) mutex_lock(&dev->struct_mutex); + i915_gem_restore_fences(dev); i915_restore_display(dev); if (!drm_core_check_feature(dev, DRIVER_MODESET)) { diff --git a/drivers/gpu/drm/qxl/qxl_ioctl.c b/drivers/gpu/drm/qxl/qxl_ioctl.c index a4b71b25fa5..a30f29425c2 100644 --- a/drivers/gpu/drm/qxl/qxl_ioctl.c +++ b/drivers/gpu/drm/qxl/qxl_ioctl.c @@ -171,6 +171,11 @@ static int qxl_execbuffer_ioctl(struct drm_device *dev, void *data, if (user_cmd.command_size > PAGE_SIZE - sizeof(union qxl_release_info)) return -EINVAL; + if (!access_ok(VERIFY_READ, + (void *)(unsigned long)user_cmd.command, + user_cmd.command_size)) + return -EFAULT; + ret = qxl_alloc_release_reserved(qdev, sizeof(union qxl_release_info) + user_cmd.command_size, |