aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
diff options
context:
space:
mode:
authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-10-09 16:13:30 -0400
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-10-09 16:13:30 -0400
commit670aee3fc7ac37ae947f8b582d87b51d5fa36524 (patch)
tree9885998483d4506208e5aef9c13c8a86adea20bb /drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
parentd61e87ac53292a3138b4354b687558973686b6ca (diff)
parent55582bccdc1e89ecc973c260d46e247df675d4df (diff)
Merge branches 'pm-devfreq' and 'pm-cpufreq'
* pm-devfreq: PM / devfreq: fix double kfree PM / devfreq: Fix governor_store() * pm-cpufreq: cpufreq: prevent lockup on reading scaling_available_frequencies cpufreq: acpi_cpufreq: prevent crash on reading freqdomain_cpus
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c39
1 files changed, 0 insertions, 39 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index 1c3fc99c5465..8e995148f56e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -208,44 +208,6 @@ static int amdgpu_cgs_alloc_gpu_mem(void *cgs_device,
208 return ret; 208 return ret;
209} 209}
210 210
211static int amdgpu_cgs_import_gpu_mem(void *cgs_device, int dmabuf_fd,
212 cgs_handle_t *handle)
213{
214 CGS_FUNC_ADEV;
215 int r;
216 uint32_t dma_handle;
217 struct drm_gem_object *obj;
218 struct amdgpu_bo *bo;
219 struct drm_device *dev = adev->ddev;
220 struct drm_file *file_priv = NULL, *priv;
221
222 mutex_lock(&dev->struct_mutex);
223 list_for_each_entry(priv, &dev->filelist, lhead) {
224 rcu_read_lock();
225 if (priv->pid == get_pid(task_pid(current)))
226 file_priv = priv;
227 rcu_read_unlock();
228 if (file_priv)
229 break;
230 }
231 mutex_unlock(&dev->struct_mutex);
232 r = dev->driver->prime_fd_to_handle(dev,
233 file_priv, dmabuf_fd,
234 &dma_handle);
235 spin_lock(&file_priv->table_lock);
236
237 /* Check if we currently have a reference on the object */
238 obj = idr_find(&file_priv->object_idr, dma_handle);
239 if (obj == NULL) {
240 spin_unlock(&file_priv->table_lock);
241 return -EINVAL;
242 }
243 spin_unlock(&file_priv->table_lock);
244 bo = gem_to_amdgpu_bo(obj);
245 *handle = (cgs_handle_t)bo;
246 return 0;
247}
248
249static int amdgpu_cgs_free_gpu_mem(void *cgs_device, cgs_handle_t handle) 211static int amdgpu_cgs_free_gpu_mem(void *cgs_device, cgs_handle_t handle)
250{ 212{
251 struct amdgpu_bo *obj = (struct amdgpu_bo *)handle; 213 struct amdgpu_bo *obj = (struct amdgpu_bo *)handle;
@@ -810,7 +772,6 @@ static const struct cgs_ops amdgpu_cgs_ops = {
810}; 772};
811 773
812static const struct cgs_os_ops amdgpu_cgs_os_ops = { 774static const struct cgs_os_ops amdgpu_cgs_os_ops = {
813 amdgpu_cgs_import_gpu_mem,
814 amdgpu_cgs_add_irq_source, 775 amdgpu_cgs_add_irq_source,
815 amdgpu_cgs_irq_get, 776 amdgpu_cgs_irq_get,
816 amdgpu_cgs_irq_put 777 amdgpu_cgs_irq_put