Merge remote-tracking branch 'airlied/drm-next' into drm-intel-next-queued

Backmerge because too many conflicts, and also we need to get at the
latest struct fence patches from Gustavo. Requested by Chris Wilson.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>

include/drm/drmP.h

@@ -146,6 +146,7 @@ void drm_err(const char *format, ...);
 
 /* driver capabilities and requirements mask */
 #define DRIVER_USE_AGP			0x1
+#define DRIVER_LEGACY			0x2
 #define DRIVER_PCI_DMA			0x8
 #define DRIVER_SG			0x10
 #define DRIVER_HAVE_DMA			0x20
@@ -231,6 +232,36 @@ void drm_err(const char *format, ...);
 			drm_ut_debug_printk(__func__, fmt, ##args);	\
 	} while (0)
 
+#define _DRM_DEFINE_DEBUG_RATELIMITED(level, fmt, args...)		\
+	do {								\
+		if (unlikely(drm_debug & DRM_UT_ ## level)) {		\
+			static DEFINE_RATELIMIT_STATE(			\
+				_rs,					\
+				DEFAULT_RATELIMIT_INTERVAL,		\
+				DEFAULT_RATELIMIT_BURST);		\
+									\
+			if (__ratelimit(&_rs)) {			\
+				drm_ut_debug_printk(__func__, fmt,	\
+						    ##args);		\
+			}						\
+		}							\
+	} while (0)
+
+/**
+ * Rate limited debug output. Like DRM_DEBUG() but won't flood the log.
+ *
+ * \param fmt printf() like format string.
+ * \param arg arguments
+ */
+#define DRM_DEBUG_RATELIMITED(fmt, args...)				\
+	_DRM_DEFINE_DEBUG_RATELIMITED(CORE, fmt, ##args)
+#define DRM_DEBUG_DRIVER_RATELIMITED(fmt, args...)			\
+	_DRM_DEFINE_DEBUG_RATELIMITED(DRIVER, fmt, ##args)
+#define DRM_DEBUG_KMS_RATELIMITED(fmt, args...)				\
+	_DRM_DEFINE_DEBUG_RATELIMITED(KMS, fmt, ##args)
+#define DRM_DEBUG_PRIME_RATELIMITED(fmt, args...)			\
+	_DRM_DEFINE_DEBUG_RATELIMITED(PRIME, fmt, ##args)
+
 /*@}*/
 
 /***********************************************************************/
@@ -642,7 +673,7 @@ struct drm_driver {
 };
 
 enum drm_minor_type {
-	DRM_MINOR_LEGACY,
+	DRM_MINOR_PRIMARY,
 	DRM_MINOR_CONTROL,
 	DRM_MINOR_RENDER,
 	DRM_MINOR_CNT,
@@ -856,7 +887,7 @@ static inline bool drm_is_control_client(const struct drm_file *file_priv)
 
 static inline bool drm_is_primary_client(const struct drm_file *file_priv)
 {
-	return file_priv->minor->type == DRM_MINOR_LEGACY;
+	return file_priv->minor->type == DRM_MINOR_PRIMARY;
 }
 
 /******************************************************************/

include/drm/drm_crtc.h

@@ -35,6 +35,7 @@
 #include <uapi/drm/drm_mode.h>
 #include <uapi/drm/drm_fourcc.h>
 #include <drm/drm_modeset_lock.h>
+#include <drm/drm_rect.h>
 
 struct drm_device;
 struct drm_mode_set;
@@ -83,14 +84,15 @@ static inline uint64_t I642U64(int64_t val)
  * specified amount in degrees in counter clockwise direction. DRM_REFLECT_X and
  * DRM_REFLECT_Y reflects the image along the specified axis prior to rotation
  */
-#define DRM_ROTATE_MASK 0x0f
-#define DRM_ROTATE_0	0
-#define DRM_ROTATE_90	1
-#define DRM_ROTATE_180	2
-#define DRM_ROTATE_270	3
-#define DRM_REFLECT_MASK (~DRM_ROTATE_MASK)
-#define DRM_REFLECT_X	4
-#define DRM_REFLECT_Y	5
+#define DRM_ROTATE_0	BIT(0)
+#define DRM_ROTATE_90	BIT(1)
+#define DRM_ROTATE_180	BIT(2)
+#define DRM_ROTATE_270	BIT(3)
+#define DRM_ROTATE_MASK (DRM_ROTATE_0   | DRM_ROTATE_90 | \
+			 DRM_ROTATE_180 | DRM_ROTATE_270)
+#define DRM_REFLECT_X	BIT(4)
+#define DRM_REFLECT_Y	BIT(5)
+#define DRM_REFLECT_MASK (DRM_REFLECT_X | DRM_REFLECT_Y)
 
 enum drm_connector_force {
 	DRM_FORCE_UNSPECIFIED,
@@ -308,6 +310,7 @@ struct drm_plane_helper_funcs;
  * @mode_changed: crtc_state->mode or crtc_state->enable has been changed
  * @active_changed: crtc_state->active has been toggled.
  * @connectors_changed: connectors to this crtc have been updated
+ * @zpos_changed: zpos values of planes on this crtc have been updated
  * @color_mgmt_changed: color management properties have changed (degamma or
  *	gamma LUT or CSC matrix)
  * @plane_mask: bitmask of (1 << drm_plane_index(plane)) of attached planes
@@ -344,6 +347,7 @@ struct drm_crtc_state {
 	bool mode_changed : 1;
 	bool active_changed : 1;
 	bool connectors_changed : 1;
+	bool zpos_changed : 1;
 	bool color_mgmt_changed : 1;
 
 	/* attached planes bitmask:
@@ -1409,6 +1413,12 @@ struct drm_connector {
  * @src_w: width of visible portion of plane (in 16.16)
  * @src_h: height of visible portion of plane (in 16.16)
  * @rotation: rotation of the plane
+ * @zpos: priority of the given plane on crtc (optional)
+ * @normalized_zpos: normalized value of zpos: unique, range from 0 to N-1
+ *	where N is the number of active planes for given crtc
+ * @src: clipped source coordinates of the plane (in 16.16)
+ * @dst: clipped destination coordinates of the plane
+ * @visible: visibility of the plane
  * @state: backpointer to global drm_atomic_state
  */
 struct drm_plane_state {
@@ -1429,6 +1439,19 @@ struct drm_plane_state {
 	/* Plane rotation */
 	unsigned int rotation;
 
+	/* Plane zpos */
+	unsigned int zpos;
+	unsigned int normalized_zpos;
+
+	/* Clipped coordinates */
+	struct drm_rect src, dst;
+
+	/*
+	 * Is the plane actually visible? Can be false even
+	 * if fb!=NULL and crtc!=NULL, due to clipping.
+	 */
+	bool visible;
+
 	struct drm_atomic_state *state;
 };
 
@@ -1688,6 +1711,7 @@ enum drm_plane_type {
  * @properties: property tracking for this plane
  * @type: type of plane (overlay, primary, cursor)
  * @state: current atomic state for this plane
+ * @zpos_property: zpos property for this plane
  * @helper_private: mid-layer private data
  */
 struct drm_plane {
@@ -1732,6 +1756,8 @@ struct drm_plane {
 	const struct drm_plane_helper_funcs *helper_private;
 
 	struct drm_plane_state *state;
+
+	struct drm_property *zpos_property;
 };
 
 /**
@@ -2958,6 +2984,14 @@ extern void drm_crtc_enable_color_mgmt(struct drm_crtc *crtc,
 				       uint degamma_lut_size,
 				       bool has_ctm,
 				       uint gamma_lut_size);
+
+int drm_plane_create_zpos_property(struct drm_plane *plane,
+				   unsigned int zpos,
+				   unsigned int min, unsigned int max);
+
+int drm_plane_create_zpos_immutable_property(struct drm_plane *plane,
+					     unsigned int zpos);
+
 /* Helpers */
 struct drm_mode_object *drm_mode_object_find(struct drm_device *dev,
 					     uint32_t id, uint32_t type);

include/drm/drm_dp_helper.h

@@ -657,6 +657,8 @@ struct edp_vsc_psr {
 #define EDP_VSC_PSR_UPDATE_RFB		(1<<1)
 #define EDP_VSC_PSR_CRC_VALUES_VALID	(1<<2)
 
+int drm_dp_psr_setup_time(const u8 psr_cap[EDP_PSR_RECEIVER_CAP_SIZE]);
+
 static inline int
 drm_dp_max_link_rate(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
 {

include/drm/drm_fb_helper.h

@@ -32,6 +32,7 @@
 
 struct drm_fb_helper;
 
+#include <drm/drm_crtc.h>
 #include <linux/kgdb.h>
 
 enum mode_set_atomic {
@@ -282,6 +283,12 @@ drm_pick_cmdline_mode(struct drm_fb_helper_connector *fb_helper_conn,
 int drm_fb_helper_add_one_connector(struct drm_fb_helper *fb_helper, struct drm_connector *connector);
 int drm_fb_helper_remove_one_connector(struct drm_fb_helper *fb_helper,
 				       struct drm_connector *connector);
+static inline int
+drm_fb_helper_remove_conflicting_framebuffers(struct apertures_struct *a,
+					      const char *name, bool primary)
+{
+	return remove_conflicting_framebuffers(a, name, primary);
+}
 #else
 static inline int drm_fb_helper_modinit(void)
 {
@@ -475,5 +482,12 @@ drm_fb_helper_remove_one_connector(struct drm_fb_helper *fb_helper,
 {
 	return 0;
 }
+
+static inline int
+drm_fb_helper_remove_conflicting_framebuffers(struct apertures_struct *a,
+					      const char *name, bool primary)
+{
+	return 0;
+}
 #endif
 #endif

include/drm/drm_mm.h

@@ -37,6 +37,7 @@
  * Generic range manager structs
  */
 #include <linux/bug.h>
+#include <linux/rbtree.h>
 #include <linux/kernel.h>
 #include <linux/list.h>
 #include <linux/spinlock.h>
@@ -61,6 +62,7 @@ enum drm_mm_allocator_flags {
 struct drm_mm_node {
 	struct list_head node_list;
 	struct list_head hole_stack;
+	struct rb_node rb;
 	unsigned hole_follows : 1;
 	unsigned scanned_block : 1;
 	unsigned scanned_prev_free : 1;
@@ -70,6 +72,7 @@ struct drm_mm_node {
 	unsigned long color;
 	u64 start;
 	u64 size;
+	u64 __subtree_last;
 	struct drm_mm *mm;
 };
 
@@ -79,6 +82,9 @@ struct drm_mm {
 	/* head_node.node_list is the list of all memory nodes, ordered
 	 * according to the (increasing) start address of the memory node. */
 	struct drm_mm_node head_node;
+	/* Keep an interval_tree for fast lookup of drm_mm_nodes by address. */
+	struct rb_root interval_tree;
+
 	unsigned int scan_check_range : 1;
 	unsigned scan_alignment;
 	unsigned long scan_color;
@@ -295,6 +301,12 @@ void drm_mm_init(struct drm_mm *mm,
 void drm_mm_takedown(struct drm_mm *mm);
 bool drm_mm_clean(struct drm_mm *mm);
 
+struct drm_mm_node *
+drm_mm_interval_first(struct drm_mm *mm, u64 start, u64 last);
+
+struct drm_mm_node *
+drm_mm_interval_next(struct drm_mm_node *node, u64 start, u64 last);
+
 void drm_mm_init_scan(struct drm_mm *mm,
 		      u64 size,
 		      unsigned alignment,

include/drm/drm_modes.h

@@ -434,7 +434,7 @@ struct drm_cmdline_mode;
 struct drm_display_mode *drm_mode_create(struct drm_device *dev);
 void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
 void drm_mode_convert_to_umode(struct drm_mode_modeinfo *out,
-                               const struct drm_display_mode *in);
+			       const struct drm_display_mode *in);
 int drm_mode_convert_umode(struct drm_display_mode *out,
 			   const struct drm_mode_modeinfo *in);
 void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode);
@@ -457,8 +457,9 @@ void drm_display_mode_from_videomode(const struct videomode *vm,
 				     struct drm_display_mode *dmode);
 void drm_display_mode_to_videomode(const struct drm_display_mode *dmode,
 				   struct videomode *vm);
+void drm_bus_flags_from_videomode(const struct videomode *vm, u32 *bus_flags);
 int of_get_drm_display_mode(struct device_node *np,
-			    struct drm_display_mode *dmode,
+			    struct drm_display_mode *dmode, u32 *bus_flags,
 			    int index);
 
 void drm_mode_set_name(struct drm_display_mode *mode);

include/drm/drm_modeset_helper_vtables.h

@@ -523,11 +523,40 @@ struct drm_encoder_helper_funcs {
 	 *
 	 * This callback is used both by the legacy CRTC helpers and the atomic
 	 * modeset helpers. It is optional in the atomic helpers.
+	 *
+	 * NOTE:
+	 *
+	 * If the driver uses the atomic modeset helpers and needs to inspect
+	 * the connector state or connector display info during mode setting,
+	 * @atomic_mode_set can be used instead.
 	 */
 	void (*mode_set)(struct drm_encoder *encoder,
 			 struct drm_display_mode *mode,
 			 struct drm_display_mode *adjusted_mode);
 
+	/**
+	 * @atomic_mode_set:
+	 *
+	 * This callback is used to update the display mode of an encoder.
+	 *
+	 * Note that the display pipe is completely off when this function is
+	 * called. Drivers which need hardware to be running before they program
+	 * the new display mode (because they implement runtime PM) should not
+	 * use this hook, because the helper library calls it only once and not
+	 * every time the display pipeline is suspended using either DPMS or the
+	 * new "ACTIVE" property. Such drivers should instead move all their
+	 * encoder setup into the ->enable() callback.
+	 *
+	 * This callback is used by the atomic modeset helpers in place of the
+	 * @mode_set callback, if set by the driver. It is optional and should
+	 * be used instead of @mode_set if the driver needs to inspect the
+	 * connector state or display info, since there is no direct way to
+	 * go from the encoder to the current connector.
+	 */
+	void (*atomic_mode_set)(struct drm_encoder *encoder,
+				struct drm_crtc_state *crtc_state,
+				struct drm_connector_state *conn_state);
+
 	/**
 	 * @get_crtc:
 	 *

include/drm/drm_plane_helper.h

@@ -40,6 +40,11 @@
 int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
 		  const struct drm_crtc_funcs *funcs);
 
+int drm_plane_helper_check_state(struct drm_plane_state *state,
+				 const struct drm_rect *clip,
+				 int min_scale, int max_scale,
+				 bool can_position,
+				 bool can_update_disabled);
 int drm_plane_helper_check_update(struct drm_plane *plane,
 				  struct drm_crtc *crtc,
 				  struct drm_framebuffer *fb,

include/drm/drm_vma_manager.h

@@ -40,13 +40,11 @@ struct drm_vma_offset_file {
 struct drm_vma_offset_node {
 	rwlock_t vm_lock;
 	struct drm_mm_node vm_node;
-	struct rb_node vm_rb;
 	struct rb_root vm_files;
 };
 
 struct drm_vma_offset_manager {
 	rwlock_t vm_lock;
-	struct rb_root vm_addr_space_rb;
 	struct drm_mm vm_addr_space_mm;
 };
 

include/drm/ttm/ttm_bo_driver.h

@@ -962,6 +962,7 @@ void ttm_mem_io_free(struct ttm_bo_device *bdev,
  *
  * @bo: A pointer to a struct ttm_buffer_object.
  * @evict: 1: This is an eviction. Don't try to pipeline.
+ * @interruptible: Sleep interruptible if waiting.
  * @no_wait_gpu: Return immediately if the GPU is busy.
  * @new_mem: struct ttm_mem_reg indicating where to move.
  *
@@ -976,7 +977,7 @@ void ttm_mem_io_free(struct ttm_bo_device *bdev,
  */
 
 extern int ttm_bo_move_ttm(struct ttm_buffer_object *bo,
-			   bool evict, bool no_wait_gpu,
+			   bool evict, bool interruptible, bool no_wait_gpu,
 			   struct ttm_mem_reg *new_mem);
 
 /**