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

Pull drm updates from Dave Airlie:
 "This is the main drm pull request for 4.5.  I don't think I've missed
  anything too major, I'm mostly back at work now but I'll probably get
  some sleep in 5 years time.

  Summary:

  New drivers:
   - etnaviv:

     GPU driver for the 3D core on the Vivante core used in numerous
     ARM boards.

  Highlights:

  Core:
   - Atomic suspend/resume helpers
   - Move the headers to using userspace friendlier types.
   - Documentation updates
   - Lots of struct_mutex removal.
   - Bunch of DP MST fixes from AMD.

  Panel:
   - More DSI helpers
   - Support for some new basic panels

  i915:
   - Basic Kabylake support
   - DP link training and detect code refactoring
   - fbc/psr fixes
   - FIFO underrun fixes
   - SDE interrupt handling fixes
   - dma-buf/fence support in pageflip path.
   - GPU side for MST audio support

  radeon/amdgpu:
   - Drop UMS support
   - GPUVM/Scheduler optimisations
   - Initial Powerplay support for Tonga/Fiji/CZ/ST
   - ACP audio prerequisites

  nouveau:
   - GK20a instmem improvements
   - PCIE link speed change support

  msm:
   - DSI support for msm8960/apq8064

  tegra:
   - Host1X support for Tegra210 SoC

  vc4:
   - 3D acceleration support

  armada:
   - Get rid of struct mutex

  tda998x:
   - Atomic modesetting support
   - TMDS clock limitations

  omapdrm:
   - Atomic modesetting support
   - improved TILER performance

  rockchip:
   - RK3036 VOP support
   - Atomic modesetting support
   - Synopsys DW MIPI DSI support

  exynos:
   - Runtime PM support
   - of_graph binding for DP panels
   - Cleanup of IPP code
   - Configurable plane support
   - Kernel panic fixes at release time"

* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (711 commits)
  drm/fb_cma_helper: Remove implicit call to disable_unused_functions
  drm/amdgpu: add missing irq.h include
  drm/vmwgfx: Fix a width / pitch mismatch on framebuffer updates
  drm/vmwgfx: Fix an incorrect lock check
  drm: nouveau: fix nouveau_debugfs_init prototype
  drm/nouveau/pci: fix check in nvkm_pcie_set_link
  drm/amdgpu: validate duplicates first
  drm/amdgpu: move VM page tables to the LRU end on CS v2
  drm/ttm: add ttm_bo_move_to_lru_tail function v2
  drm/ttm: fix adding foreign BOs to the swap LRU
  drm/ttm: fix adding foreign BOs to the LRU during init v2
  drm/radeon: use kobj_to_dev()
  drm/amdgpu: use kobj_to_dev()
  drm/amdgpu/cz: force vce clocks when sclks are forced
  drm/amdgpu/cz: force uvd clocks when sclks are forced
  drm/amdgpu/cz: add code to enable forcing VCE clocks
  drm/amdgpu/cz: add code to enable forcing UVD clocks
  drm/amdgpu: fix lost sync_to if scheduler is enabled.
  drm/amd/powerplay: fix static checker warning for return meaningless value.
  drm/sysfs: use kobj_to_dev()
  ...

1 files changed, 19 insertions, 15 deletions

diff --git a/drivers/gpu/drm/nouveau/include/nvif/unpack.h b/drivers/gpu/drm/nouveau/include/nvif/unpack.h
index 5933188b4a77..751bcf4930a7 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/unpack.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/unpack.h
@@ -1,24 +1,28 @@
 #ifndef __NVIF_UNPACK_H__
 #define __NVIF_UNPACK_H__
 
-#define nvif_unvers(d) ({                                                      \
-	ret = (size == sizeof(d)) ? 0 : -ENOSYS;                               \
-	(ret == 0);                                                            \
+#define nvif_unvers(r,d,s,m) ({                                                \
+	void **_data = (d); __u32 *_size = (s); int _ret = (r);                \
+	if (_ret == -ENOSYS && *_size == sizeof(m)) {                          \
+		*_data = NULL;                                                 \
+		*_size = _ret = 0;                                             \
+	}                                                                      \
+	_ret;                                                                  \
 })
 
-#define nvif_unpack(d,vl,vh,m) ({                                              \
-	if ((vl) == 0 || ret == -ENOSYS) {                                     \
-		int _size = sizeof(d);                                         \
-		if (_size <= size && (d).version >= (vl) &&                    \
-				     (d).version <= (vh)) {                    \
-			data = (u8 *)data + _size;                             \
-			size = size - _size;                                   \
-			ret = ((m) || !size) ? 0 : -E2BIG;                     \
-		} else {                                                       \
-			ret = -ENOSYS;                                         \
+#define nvif_unpack(r,d,s,m,vl,vh,x) ({                                        \
+	void **_data = (d); __u32 *_size = (s);                                \
+	int _ret = (r), _vl = (vl), _vh = (vh);                                \
+	if (_ret == -ENOSYS && *_size >= sizeof(m) &&                          \
+	    (m).version >= _vl && (m).version <= _vh) {                        \
+		*_data = (__u8 *)*_data + sizeof(m);                           \
+		*_size = *_size - sizeof(m);                                   \
+		if (_ret = 0, !(x)) {                                          \
+			_ret = *_size ? -E2BIG : 0;                            \
+			*_data = NULL;                                         \
+			*_size = 0;                                            \
 		}                                                              \
 	}                                                                      \
-	(ret == 0);                                                            \
+	_ret;                                                                  \
 })
-
 #endif