[gem] Remove carefully-sprinkled i915_kernel_lost_context().

They are not unnecessary since the kernel's the only thing touching the ring.

diff --git a/linux-core/i915_gem.c b/linux-core/i915_gem.c
index 2564f41..3d47ec1 100644 (file)
--- a/linux-core/i915_gem.c
+++ b/linux-core/i915_gem.c
@@ -1404,7 +1404,6 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
        DRM_INFO("buffers_ptr %d buffer_count %d len %08x\n",
                  (int) args->buffers_ptr, args->buffer_count, args->batch_len);
 #endif
-       i915_kernel_lost_context(dev);
 
        /* Copy in the exec list from userland */
        exec_list = drm_calloc(sizeof(*exec_list), args->buffer_count,
@@ -1614,7 +1613,6 @@ i915_gem_pin_ioctl(struct drm_device *dev, void *data,
 
        mutex_lock(&dev->struct_mutex);
 
-       i915_kernel_lost_context(dev);
        obj = drm_gem_object_lookup(dev, file_priv, args->handle);
        if (obj == NULL) {
                DRM_ERROR("Bad handle in i915_gem_pin_ioctl(): %d\n",
@@ -1647,7 +1645,6 @@ i915_gem_unpin_ioctl(struct drm_device *dev, void *data,
 
        mutex_lock(&dev->struct_mutex);
 
-       i915_kernel_lost_context(dev);
        obj = drm_gem_object_lookup(dev, file_priv, args->handle);
        if (obj == NULL) {
                DRM_ERROR("Bad handle in i915_gem_unpin_ioctl(): %d\n",
@@ -1711,7 +1708,6 @@ int i915_gem_init_object(struct drm_gem_object *obj)
 
 void i915_gem_free_object(struct drm_gem_object *obj)
 {
-       i915_kernel_lost_context(obj->dev);
        i915_gem_object_unbind(obj);
 
        drm_free(obj->driver_private, 1, DRM_MEM_DRIVER);
@@ -1729,7 +1725,6 @@ i915_gem_set_domain(struct drm_gem_object *obj,
        BUG_ON(!mutex_is_locked(&dev->struct_mutex));
 
        drm_client_lock_take(dev, file_priv);
-       i915_kernel_lost_context(dev);
        ret = i915_gem_object_set_domain(obj, read_domains, write_domain);
        if (ret) {
                drm_client_lock_release(dev);