Merge tag 'drm-next-2018-12-14' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "Core:
   - shared fencing staging removal
   - drop transactional atomic helpers and move helpers to new location
   - DP/MST atomic cleanup
   - Leasing cleanups and drop EXPORT_SYMBOL
   - Convert drivers to atomic helpers and generic fbdev.
   - removed deprecated obj_ref/unref in favour of get/put
   - Improve dumb callback documentation
   - MODESET_LOCK_BEGIN/END helpers

  panels:
   - CDTech panels, Banana Pi Panel, DLC1010GIG,
   - Olimex LCD-O-LinuXino, Samsung S6D16D0, Truly NT35597 WQXGA,
   - Himax HX8357D, simulated RTSM AEMv8.
   - GPD Win2 panel
   - AUO G101EVN010

  vgem:
   - render node support

  ttm:
   - move global init out of drivers
   - fix LRU handling for ghost objects
   - Support for simultaneous submissions to multiple engines

  scheduler:
   - timeout/fault handling changes to help GPU recovery
   - helpers for hw with preemption support

  i915:
   - Scaler/Watermark fixes
   - DP MST + powerwell fixes
   - PSR fixes
   - Break long get/put shmemfs pages
   - Icelake fixes
   - Icelake DSI video mode enablement
   - Engine workaround improvements

  amdgpu:
   - freesync support
   - GPU reset enabled on CI, VI, SOC15 dGPUs
   - ABM support in DC
   - KFD support for vega12/polaris12
   - SDMA paging queue on vega
   - More amdkfd code sharing
   - DCC scanout on GFX9
   - DC kerneldoc
   - Updated SMU firmware for GFX8 chips
   - XGMI PSP + hive reset support
   - GPU reset
   - DC trace support
   - Powerplay updates for newer Polaris
   - Cursor plane update fast path
   - kfd dma-buf support

  virtio-gpu:
   - add EDID support

  vmwgfx:
   - pageflip with damage support

  nouveau:
   - Initial Turing TU104/TU106 modesetting support

  msm:
   - a2xx gpu support for apq8060 and imx5
   - a2xx gpummu support
   - mdp4 display support for apq8060
   - DPU fixes and cleanups
   - enhanced profiling support
   - debug object naming interface
   - get_iova/page pinning decoupling

  tegra:
   - Tegra194 host1x, VIC and display support enabled
   - Audio over HDMI for Tegra186 and Tegra194

  exynos:
   - DMA/IOMMU refactoring
   - plane alpha + blend mode support
   - Color format fixes for mixer driver

  rcar-du:
   - R8A7744 and R8A77470 support
   - R8A77965 LVDS support

  imx:
   - fbdev emulation fix
   - multi-tiled scalling fixes
   - SPDX identifiers

  rockchip
   - dw_hdmi support
   - dw-mipi-dsi + dual dsi support
   - mailbox read size fix

  qxl:
   - fix cursor pinning

  vc4:
   - YUV support (scaling + cursor)

  v3d:
   - enable TFU (Texture Formatting Unit)

  mali-dp:
   - add support for linear tiled formats

  sun4i:
   - Display Engine 3 support
   - H6 DE3 mixer 0 support
   - H6 display engine support
   - dw-hdmi support
   - H6 HDMI phy support
   - implicit fence waiting
   - BGRX8888 support

  meson:
   - Overlay plane support
   - implicit fence waiting
   - HDMI 1.4 4k modes

  bridge:
   - i2c fixes for sii902x"

* tag 'drm-next-2018-12-14' of git://anongit.freedesktop.org/drm/drm: (1403 commits)
  drm/amd/display: Add fast path for cursor plane updates
  drm/amdgpu: Enable GPU recovery by default for CI
  drm/amd/display: Fix duplicating scaling/underscan connector state
  drm/amd/display: Fix unintialized max_bpc state values
  Revert "drm/amd/display: Set RMX_ASPECT as default"
  drm/amdgpu: Fix stub function name
  drm/msm/dpu: Fix clock issue after bind failure
  drm/msm/dpu: Clean up dpu_media_info.h static inline functions
  drm/msm/dpu: Further cleanups for static inline functions
  drm/msm/dpu: Cleanup the debugfs functions
  drm/msm/dpu: Remove dpu_irq and unused functions
  drm/msm: Make irq_postinstall optional
  drm/msm/dpu: Cleanup callers of dpu_hw_blk_init
  drm/msm/dpu: Remove unused functions
  drm/msm/dpu: Remove dpu_crtc_is_enabled()
  drm/msm/dpu: Remove dpu_crtc_get_mixer_height
  drm/msm/dpu: Remove dpu_dbg
  drm/msm: dpu: Remove crtc_lock
  drm/msm: dpu: Remove vblank_requested flag from dpu_crtc
  drm/msm: dpu: Separate crtc assignment from vblank enable
  ...

1 files changed, 131 insertions, 50 deletions

diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h
index 3583b98a1718..c95727425284 100644
--- a/include/drm/drm_gem.h
+++ b/include/drm/drm_gem.h
@@ -38,6 +38,121 @@
 
 #include <drm/drm_vma_manager.h>
 
+struct drm_gem_object;
+
+/**
+ * struct drm_gem_object_funcs - GEM object functions
+ */
+struct drm_gem_object_funcs {
+	/**
+	 * @free:
+	 *
+	 * Deconstructor for drm_gem_objects.
+	 *
+	 * This callback is mandatory.
+	 */
+	void (*free)(struct drm_gem_object *obj);
+
+	/**
+	 * @open:
+	 *
+	 * Called upon GEM handle creation.
+	 *
+	 * This callback is optional.
+	 */
+	int (*open)(struct drm_gem_object *obj, struct drm_file *file);
+
+	/**
+	 * @close:
+	 *
+	 * Called upon GEM handle release.
+	 *
+	 * This callback is optional.
+	 */
+	void (*close)(struct drm_gem_object *obj, struct drm_file *file);
+
+	/**
+	 * @print_info:
+	 *
+	 * If driver subclasses struct &drm_gem_object, it can implement this
+	 * optional hook for printing additional driver specific info.
+	 *
+	 * drm_printf_indent() should be used in the callback passing it the
+	 * indent argument.
+	 *
+	 * This callback is called from drm_gem_print_info().
+	 *
+	 * This callback is optional.
+	 */
+	void (*print_info)(struct drm_printer *p, unsigned int indent,
+			   const struct drm_gem_object *obj);
+
+	/**
+	 * @export:
+	 *
+	 * Export backing buffer as a &dma_buf.
+	 * If this is not set drm_gem_prime_export() is used.
+	 *
+	 * This callback is optional.
+	 */
+	struct dma_buf *(*export)(struct drm_gem_object *obj, int flags);
+
+	/**
+	 * @pin:
+	 *
+	 * Pin backing buffer in memory.
+	 *
+	 * This callback is optional.
+	 */
+	int (*pin)(struct drm_gem_object *obj);
+
+	/**
+	 * @unpin:
+	 *
+	 * Unpin backing buffer.
+	 *
+	 * This callback is optional.
+	 */
+	void (*unpin)(struct drm_gem_object *obj);
+
+	/**
+	 * @get_sg_table:
+	 *
+	 * Returns a Scatter-Gather table representation of the buffer.
+	 * Used when exporting a buffer.
+	 *
+	 * This callback is mandatory if buffer export is supported.
+	 */
+	struct sg_table *(*get_sg_table)(struct drm_gem_object *obj);
+
+	/**
+	 * @vmap:
+	 *
+	 * Returns a virtual address for the buffer.
+	 *
+	 * This callback is optional.
+	 */
+	void *(*vmap)(struct drm_gem_object *obj);
+
+	/**
+	 * @vunmap:
+	 *
+	 * Releases the the address previously returned by @vmap.
+	 *
+	 * This callback is optional.
+	 */
+	void (*vunmap)(struct drm_gem_object *obj, void *vaddr);
+
+	/**
+	 * @vm_ops:
+	 *
+	 * Virtual memory operations used with mmap.
+	 *
+	 * This is optional but necessary for mmap support.
+	 */
+	const struct vm_operations_struct *vm_ops;
+};
+
 /**
  * struct drm_gem_object - GEM buffer object
  *
@@ -146,6 +261,17 @@ struct drm_gem_object {
 	 * simply leave it as NULL.
 	 */
 	struct dma_buf_attachment *import_attach;
+
+	/**
+	 * @funcs:
+	 *
+	 * Optional GEM object functions. If this is set, it will be used instead of the
+	 * corresponding &drm_driver GEM callbacks.
+	 *
+	 * New drivers should use this.
+	 *
+	 */
+	const struct drm_gem_object_funcs *funcs;
 };
 
 /**
@@ -222,56 +348,6 @@ __drm_gem_object_put(struct drm_gem_object *obj)
 void drm_gem_object_put_unlocked(struct drm_gem_object *obj);
 void drm_gem_object_put(struct drm_gem_object *obj);
 
-/**
- * drm_gem_object_reference - acquire a GEM buffer object reference
- * @obj: GEM buffer object
- *
- * This is a compatibility alias for drm_gem_object_get() and should not be
- * used by new code.
- */
-static inline void drm_gem_object_reference(struct drm_gem_object *obj)
-{
-	drm_gem_object_get(obj);
-}
-
-/**
- * __drm_gem_object_unreference - raw function to release a GEM buffer object
- *                                reference
- * @obj: GEM buffer object
- *
- * This is a compatibility alias for __drm_gem_object_put() and should not be
- * used by new code.
- */
-static inline void __drm_gem_object_unreference(struct drm_gem_object *obj)
-{
-	__drm_gem_object_put(obj);
-}
-
-/**
- * drm_gem_object_unreference_unlocked - release a GEM buffer object reference
- * @obj: GEM buffer object
- *
- * This is a compatibility alias for drm_gem_object_put_unlocked() and should
- * not be used by new code.
- */
-static inline void
-drm_gem_object_unreference_unlocked(struct drm_gem_object *obj)
-{
-	drm_gem_object_put_unlocked(obj);
-}
-
-/**
- * drm_gem_object_unreference - release a GEM buffer object reference
- * @obj: GEM buffer object
- *
- * This is a compatibility alias for drm_gem_object_put() and should not be
- * used by new code.
- */
-static inline void drm_gem_object_unreference(struct drm_gem_object *obj)
-{
-	drm_gem_object_put(obj);
-}
-
 int drm_gem_handle_create(struct drm_file *file_priv,
 			  struct drm_gem_object *obj,
 			  u32 *handlep);
@@ -293,4 +369,9 @@ int drm_gem_dumb_destroy(struct drm_file *file,
 			 struct drm_device *dev,
 			 uint32_t handle);
 
+int drm_gem_pin(struct drm_gem_object *obj);
+void drm_gem_unpin(struct drm_gem_object *obj);
+void *drm_gem_vmap(struct drm_gem_object *obj);
+void drm_gem_vunmap(struct drm_gem_object *obj, void *vaddr);
+
 #endif /* __DRM_GEM_H__ */