1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 4cfcf9c37800..938ef1cb68cc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -64,6 +64,7 @@
 extern int amdgpu_modeset;
 extern int amdgpu_vram_limit;
 extern int amdgpu_gart_size;
+extern int amdgpu_moverate;
 extern int amdgpu_benchmarking;
 extern int amdgpu_testing;
 extern int amdgpu_audio;
@@ -2034,6 +2035,14 @@ struct amdgpu_device {
         atomic64_t                      num_evictions;
         atomic_t                        gpu_reset_counter;
 
+        /* data for buffer migration throttling */
+        struct {
+                spinlock_t              lock;
+                s64                     last_update_us;
+                s64                     accum_us; /* accumulated microseconds */
+                u32                     log2_max_MBps;
+        } mm_stats;
+
         /* display */
         bool                            enable_virtual_display;
         struct amdgpu_mode_info         mode_info;