Merge branch 'drm-next-3.15' of git://people.freedesktop.org/~deathsimple/linux into drm-next

this is the second pull request for 3.15 radeon changes. Highlights this time:
- Better VRAM usage
- VM page table rework
- Enabling different UVD clocks again
- Some general cleanups and improvements

* 'drm-next-3.15' of git://people.freedesktop.org/~deathsimple/linux:
  drm/radeon: remove struct radeon_bo_list
  drm/radeon: drop non blocking allocations from sub allocator
  drm/radeon: remove global vm lock
  drm/radeon: use normal BOs for the page tables v4
  drm/radeon: further cleanup vm flushing & fencing
  drm/radeon: separate gart and vm functions
  drm/radeon: fix VCE suspend/resume
  drm/radeon: fix missing bo reservation
  drm/radeon: limit how much memory TTM can move per IB according to VRAM usage
  drm/radeon: validate relocations in the order determined by userspace v3
  drm/radeon: add buffers to the LRU list from smallest to largest
  drm/radeon: deduplicate code in radeon_gem_busy_ioctl
  drm/radeon: track memory statistics about VRAM and GTT usage and buffer moves v2
  drm/radeon: add a way to get and set initial buffer domains v2
  drm/radeon: use variable UVD clocks
  drm/radeon: cleanup the fence ring locking code
  drm/radeon: improve ring lockup detection code v2

1 files changed, 15 insertions, 0 deletions

diff --git a/include/uapi/drm/radeon_drm.h b/include/uapi/drm/radeon_drm.h
index 1cf18b4a39ec..aefa2f6afa3b 100644
--- a/include/uapi/drm/radeon_drm.h
+++ b/include/uapi/drm/radeon_drm.h
@@ -510,6 +510,7 @@ typedef struct {
 #define DRM_RADEON_GEM_GET_TILING       0x29
 #define DRM_RADEON_GEM_BUSY             0x2a
 #define DRM_RADEON_GEM_VA               0x2b
+#define DRM_RADEON_GEM_OP               0x2c
 
 #define DRM_IOCTL_RADEON_CP_INIT    DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CP_INIT, drm_radeon_init_t)
 #define DRM_IOCTL_RADEON_CP_START   DRM_IO(  DRM_COMMAND_BASE + DRM_RADEON_CP_START)
@@ -552,6 +553,7 @@ typedef struct {
 #define DRM_IOCTL_RADEON_GEM_GET_TILING DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_GET_TILING, struct drm_radeon_gem_get_tiling)
 #define DRM_IOCTL_RADEON_GEM_BUSY       DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_BUSY, struct drm_radeon_gem_busy)
 #define DRM_IOCTL_RADEON_GEM_VA         DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_VA, struct drm_radeon_gem_va)
+#define DRM_IOCTL_RADEON_GEM_OP         DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_OP, struct drm_radeon_gem_op)
 
 typedef struct drm_radeon_init {
         enum {
@@ -884,6 +886,16 @@ struct drm_radeon_gem_pwrite {
         uint64_t data_ptr;
 };
 
+/* Sets or returns a value associated with a buffer. */
+struct drm_radeon_gem_op {
+        uint32_t        handle; /* buffer */
+        uint32_t        op;     /* RADEON_GEM_OP_* */
+        uint64_t        value;  /* input or return value */
+};
+
+#define RADEON_GEM_OP_GET_INITIAL_DOMAIN        0
+#define RADEON_GEM_OP_SET_INITIAL_DOMAIN        1
+
 #define RADEON_VA_MAP                   1
 #define RADEON_VA_UNMAP                 2
 
@@ -992,6 +1004,9 @@ struct drm_radeon_cs {
 #define RADEON_INFO_VCE_FW_VERSION      0x1b
 /* version of VCE feedback */
 #define RADEON_INFO_VCE_FB_VERSION      0x1c
+#define RADEON_INFO_NUM_BYTES_MOVED     0x1d
+#define RADEON_INFO_VRAM_USAGE          0x1e
+#define RADEON_INFO_GTT_USAGE           0x1f
 
 
 struct drm_radeon_info {