Merge remote-tracking branch 'drm/drm-next' into msm-next-staging

Backmerge drm-next to pull in:

  8f59ee9a570c ("drm/msm/dsi: Adjust probe order")

Signed-off-by: Rob Clark <robdclark@chromium.org>

38 files changed, 599 insertions, 273 deletions

diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index 379746d3266f..b501d0badaea 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -27,6 +27,7 @@
 #include <linux/llist.h>
 #include <linux/ctype.h>
 #include <linux/hdmi.h>
+#include <linux/notifier.h>
 #include <drm/drm_mode_object.h>
 #include <drm/drm_util.h>
 
@@ -40,6 +41,7 @@ struct drm_encoder;
 struct drm_property;
 struct drm_property_blob;
 struct drm_printer;
+struct drm_privacy_screen;
 struct edid;
 struct i2c_adapter;
 
@@ -320,6 +322,30 @@ struct drm_monitor_range_info {
 	u8 max_vfreq;
 };
 
+/**
+ * enum drm_privacy_screen_status - privacy screen status
+ *
+ * This enum is used to track and control the state of the integrated privacy
+ * screen present on some display panels, via the "privacy-screen sw-state"
+ * and "privacy-screen hw-state" properties. Note the _LOCKED enum values
+ * are only valid for the "privacy-screen hw-state" property.
+ *
+ * @PRIVACY_SCREEN_DISABLED:
+ *  The privacy-screen on the panel is disabled
+ * @PRIVACY_SCREEN_ENABLED:
+ *  The privacy-screen on the panel is enabled
+ * @PRIVACY_SCREEN_DISABLED_LOCKED:
+ *  The privacy-screen on the panel is disabled and locked (cannot be changed)
+ * @PRIVACY_SCREEN_ENABLED_LOCKED:
+ *  The privacy-screen on the panel is enabled and locked (cannot be changed)
+ */
+enum drm_privacy_screen_status {
+	PRIVACY_SCREEN_DISABLED = 0,
+	PRIVACY_SCREEN_ENABLED,
+	PRIVACY_SCREEN_DISABLED_LOCKED,
+	PRIVACY_SCREEN_ENABLED_LOCKED,
+};
+
 /*
  * This is a consolidated colorimetry list supported by HDMI and
  * DP protocol standard. The respective connectors will register
@@ -794,6 +820,12 @@ struct drm_connector_state {
 	u8 max_bpc;
 
 	/**
+	 * @privacy_screen_sw_state: See :ref:`Standard Connector
+	 * Properties<standard_connector_properties>`
+	 */
+	enum drm_privacy_screen_status privacy_screen_sw_state;
+
+	/**
 	 * @hdr_output_metadata:
 	 * DRM blob property for HDR output metadata
 	 */
@@ -1421,6 +1453,24 @@ struct drm_connector {
 	 */
 	struct drm_property *max_bpc_property;
 
+	/** @privacy_screen: drm_privacy_screen for this connector, or NULL. */
+	struct drm_privacy_screen *privacy_screen;
+
+	/** @privacy_screen_notifier: privacy-screen notifier_block */
+	struct notifier_block privacy_screen_notifier;
+
+	/**
+	 * @privacy_screen_sw_state_property: Optional atomic property for the
+	 * connector to control the integrated privacy screen.
+	 */
+	struct drm_property *privacy_screen_sw_state_property;
+
+	/**
+	 * @privacy_screen_hw_state_property: Optional atomic property for the
+	 * connector to report the actual integrated privacy screen state.
+	 */
+	struct drm_property *privacy_screen_hw_state_property;
+
 #define DRM_CONNECTOR_POLL_HPD (1 << 0)
 #define DRM_CONNECTOR_POLL_CONNECT (1 << 1)
 #define DRM_CONNECTOR_POLL_DISCONNECT (1 << 2)
@@ -1744,6 +1794,11 @@ int drm_connector_set_panel_orientation_with_quirk(
 	int width, int height);
 int drm_connector_attach_max_bpc_property(struct drm_connector *connector,
 					  int min, int max);
+void drm_connector_create_privacy_screen_properties(struct drm_connector *conn);
+void drm_connector_attach_privacy_screen_properties(struct drm_connector *conn);
+void drm_connector_attach_privacy_screen_provider(
+	struct drm_connector *connector, struct drm_privacy_screen *priv);
+void drm_connector_update_privacy_screen(const struct drm_connector_state *connector_state);
 
 /**
  * struct drm_tile_group - Tile group metadata
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 596635ceb9b2..30359e434c3f 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -1114,8 +1114,15 @@ struct drm_panel;
 # define DP_UHBR20                             (1 << 1)
 # define DP_UHBR13_5                           (1 << 2)
 
-#define DP_128B132B_TRAINING_AUX_RD_INTERVAL   0x2216 /* 2.0 */
-# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_MASK 0x7f
+#define DP_128B132B_TRAINING_AUX_RD_INTERVAL                    0x2216 /* 2.0 */
+# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_MASK              0x7f
+# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_400_US            0x00
+# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_4_MS              0x01
+# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_8_MS              0x02
+# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_12_MS             0x03
+# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_16_MS             0x04
+# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_32_MS             0x05
+# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_64_MS             0x06
 
 #define DP_TEST_264BIT_CUSTOM_PATTERN_7_0		0x2230
 #define DP_TEST_264BIT_CUSTOM_PATTERN_263_256	0x2250
@@ -1389,6 +1396,11 @@ enum drm_dp_phy {
 # define DP_VOLTAGE_SWING_LEVEL_3_SUPPORTED		    BIT(0)
 # define DP_PRE_EMPHASIS_LEVEL_3_SUPPORTED		    BIT(1)
 
+#define DP_128B132B_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER1  0xf0022 /* 2.0 */
+#define DP_128B132B_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER(dp_phy)	\
+	DP_LTTPR_REG(dp_phy, DP_128B132B_TRAINING_AUX_RD_INTERVAL_PHY_REPEATER1)
+/* see DP_128B132B_TRAINING_AUX_RD_INTERVAL for values */
+
 #define DP_LANE0_1_STATUS_PHY_REPEATER1			    0xf0030 /* 1.3 */
 #define DP_LANE0_1_STATUS_PHY_REPEATER(dp_phy) \
 	DP_LTTPR_REG(dp_phy, DP_LANE0_1_STATUS_PHY_REPEATER1)
@@ -1527,6 +1539,11 @@ u8 drm_dp_get_adjust_request_post_cursor(const u8 link_status[DP_LINK_STATUS_SIZ
 #define DP_LTTPR_COMMON_CAP_SIZE	8
 #define DP_LTTPR_PHY_CAP_SIZE		3
 
+int drm_dp_read_clock_recovery_delay(struct drm_dp_aux *aux, const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+				     enum drm_dp_phy dp_phy, bool uhbr);
+int drm_dp_read_channel_eq_delay(struct drm_dp_aux *aux, const u8 dpcd[DP_RECEIVER_CAP_SIZE],
+				 enum drm_dp_phy dp_phy, bool uhbr);
+
 void drm_dp_link_train_clock_recovery_delay(const struct drm_dp_aux *aux,
 					    const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
 void drm_dp_lttpr_link_train_clock_recovery_delay(void);
@@ -1858,7 +1875,7 @@ drm_dp_sink_can_do_video_without_timing_msa(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
  *
  * Note that currently this function will return %false for panels which support various DPCD
  * backlight features but which require the brightness be set through PWM, and don't support setting
- * the brightness level via the DPCD. This is a TODO.
+ * the brightness level via the DPCD.
  *
  * Returns: %True if @edp_dpcd indicates that VESA backlight controls are supported, %false
  * otherwise
@@ -1866,8 +1883,7 @@ drm_dp_sink_can_do_video_without_timing_msa(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
 static inline bool
 drm_edp_backlight_supported(const u8 edp_dpcd[EDP_DISPLAY_CTL_CAP_SIZE])
 {
-	return (edp_dpcd[1] & DP_EDP_TCON_BACKLIGHT_ADJUSTMENT_CAP) &&
-		(edp_dpcd[2] & DP_EDP_BACKLIGHT_BRIGHTNESS_AUX_SET_CAP);
+	return !!(edp_dpcd[1] & DP_EDP_TCON_BACKLIGHT_ADJUSTMENT_CAP);
 }
 
 /*
@@ -2228,6 +2244,7 @@ drm_dp_has_quirk(const struct drm_dp_desc *desc, enum drm_dp_quirk quirk)
  * @max: The maximum backlight level that may be set
  * @lsb_reg_used: Do we also write values to the DP_EDP_BACKLIGHT_BRIGHTNESS_LSB register?
  * @aux_enable: Does the panel support the AUX enable cap?
+ * @aux_set: Does the panel support setting the brightness through AUX?
  *
  * This structure contains various data about an eDP backlight, which can be populated by using
  * drm_edp_backlight_init().
@@ -2239,6 +2256,7 @@ struct drm_edp_backlight_info {
 
 	bool lsb_reg_used : 1;
 	bool aux_enable : 1;
+	bool aux_set : 1;
 };
 
 int
diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
index 0cd95953cdf5..a84eb4028e5b 100644
--- a/include/drm/drm_drv.h
+++ b/include/drm/drm_drv.h
@@ -345,11 +345,14 @@ struct drm_driver {
 	 * mmap hook for GEM drivers, used to implement dma-buf mmap in the
 	 * PRIME helpers.
 	 *
-	 * FIXME: There's way too much duplication going on here, and also moved
-	 * to &drm_gem_object_funcs.
+	 * This hook only exists for historical reasons. Drivers must use
+	 * drm_gem_prime_mmap() to implement it.
+	 *
+	 * FIXME: Convert all drivers to implement mmap in struct
+	 * &drm_gem_object_funcs and inline drm_gem_prime_mmap() into
+	 * its callers. This hook should be removed afterwards.
 	 */
-	int (*gem_prime_mmap)(struct drm_gem_object *obj,
-				struct vm_area_struct *vma);
+	int (*gem_prime_mmap)(struct drm_gem_object *obj, struct vm_area_struct *vma);
 
 	/**
 	 * @dumb_create:
diff --git a/include/drm/drm_format_helper.h b/include/drm/drm_format_helper.h
index e86925cf07b9..97e4c3223af3 100644
--- a/include/drm/drm_format_helper.h
+++ b/include/drm/drm_format_helper.h
@@ -6,38 +6,38 @@
 #ifndef __LINUX_DRM_FORMAT_HELPER_H
 #define __LINUX_DRM_FORMAT_HELPER_H
 
+struct drm_format_info;
 struct drm_framebuffer;
 struct drm_rect;
 
-void drm_fb_memcpy(void *dst, void *vaddr, struct drm_framebuffer *fb,
-		   struct drm_rect *clip);
-void drm_fb_memcpy_dstclip(void __iomem *dst, unsigned int dst_pitch, void *vaddr,
-			   struct drm_framebuffer *fb,
-			   struct drm_rect *clip);
-void drm_fb_swab(void *dst, void *src, struct drm_framebuffer *fb,
-		 struct drm_rect *clip, bool cached);
-void drm_fb_xrgb8888_to_rgb332(void *dst, void *vaddr, struct drm_framebuffer *fb,
-			       struct drm_rect *clip);
-void drm_fb_xrgb8888_to_rgb565(void *dst, void *vaddr,
-			       struct drm_framebuffer *fb,
-			       struct drm_rect *clip, bool swab);
-void drm_fb_xrgb8888_to_rgb565_dstclip(void __iomem *dst, unsigned int dst_pitch,
-				       void *vaddr, struct drm_framebuffer *fb,
-				       struct drm_rect *clip, bool swab);
-void drm_fb_xrgb8888_to_rgb888(void *dst, void *src, struct drm_framebuffer *fb,
-			       struct drm_rect *clip);
-void drm_fb_xrgb8888_to_rgb888_dstclip(void __iomem *dst, unsigned int dst_pitch,
-				       void *vaddr, struct drm_framebuffer *fb,
-				       struct drm_rect *clip);
-void drm_fb_xrgb8888_to_gray8(u8 *dst, void *vaddr, struct drm_framebuffer *fb,
-			      struct drm_rect *clip);
+unsigned int drm_fb_clip_offset(unsigned int pitch, const struct drm_format_info *format,
+				const struct drm_rect *clip);
 
-int drm_fb_blit_rect_dstclip(void __iomem *dst, unsigned int dst_pitch,
-			     uint32_t dst_format, void *vmap,
-			     struct drm_framebuffer *fb,
-			     struct drm_rect *rect);
-int drm_fb_blit_dstclip(void __iomem *dst, unsigned int dst_pitch,
-			uint32_t dst_format, void *vmap,
-			struct drm_framebuffer *fb);
+void drm_fb_memcpy(void *dst, unsigned int dst_pitch, const void *vaddr,
+		   const struct drm_framebuffer *fb, const struct drm_rect *clip);
+void drm_fb_memcpy_toio(void __iomem *dst, unsigned int dst_pitch, const void *vaddr,
+			const struct drm_framebuffer *fb, const struct drm_rect *clip);
+void drm_fb_swab(void *dst, unsigned int dst_pitch, const void *src,
+		 const struct drm_framebuffer *fb, const struct drm_rect *clip,
+		 bool cached);
+void drm_fb_xrgb8888_to_rgb332(void *dst, unsigned int dst_pitch, const void *vaddr,
+			       const struct drm_framebuffer *fb, const struct drm_rect *clip);
+void drm_fb_xrgb8888_to_rgb565(void *dst, unsigned int dst_pitch, const void *vaddr,
+			       const struct drm_framebuffer *fb, const struct drm_rect *clip,
+			       bool swab);
+void drm_fb_xrgb8888_to_rgb565_toio(void __iomem *dst, unsigned int dst_pitch,
+				    const void *vaddr, const struct drm_framebuffer *fb,
+				    const struct drm_rect *clip, bool swab);
+void drm_fb_xrgb8888_to_rgb888(void *dst, unsigned int dst_pitch, const void *src,
+			       const struct drm_framebuffer *fb, const struct drm_rect *clip);
+void drm_fb_xrgb8888_to_rgb888_toio(void __iomem *dst, unsigned int dst_pitch,
+				    const void *vaddr, const struct drm_framebuffer *fb,
+				    const struct drm_rect *clip);
+void drm_fb_xrgb8888_to_gray8(void *dst, unsigned int dst_pitch, const void *vaddr,
+			      const struct drm_framebuffer *fb, const struct drm_rect *clip);
+
+int drm_fb_blit_toio(void __iomem *dst, unsigned int dst_pitch, uint32_t dst_format,
+		     const void *vmap, const struct drm_framebuffer *fb,
+		     const struct drm_rect *rect);
 
 #endif /* __LINUX_DRM_FORMAT_HELPER_H */
diff --git a/include/drm/drm_gem_atomic_helper.h b/include/drm/drm_gem_atomic_helper.h
index 48222a107873..0b1e2dd2ac3f 100644
--- a/include/drm/drm_gem_atomic_helper.h
+++ b/include/drm/drm_gem_atomic_helper.h
@@ -23,6 +23,24 @@ int drm_gem_simple_display_pipe_prepare_fb(struct drm_simple_display_pipe *pipe,
  */
 
 /**
+ * DRM_SHADOW_PLANE_MAX_WIDTH - Maximum width of a plane's shadow buffer in pixels
+ *
+ * For drivers with shadow planes, the maximum width of the framebuffer is
+ * usually independent from hardware limitations. Drivers can initialize struct
+ * drm_mode_config.max_width from DRM_SHADOW_PLANE_MAX_WIDTH.
+ */
+#define DRM_SHADOW_PLANE_MAX_WIDTH	(4096u)
+
+/**
+ * DRM_SHADOW_PLANE_MAX_HEIGHT - Maximum height of a plane's shadow buffer in scanlines
+ *
+ * For drivers with shadow planes, the maximum height of the framebuffer is
+ * usually independent from hardware limitations. Drivers can initialize struct
+ * drm_mode_config.max_height from DRM_SHADOW_PLANE_MAX_HEIGHT.
+ */
+#define DRM_SHADOW_PLANE_MAX_HEIGHT	(4096u)
+
+/**
  * struct drm_shadow_plane_state - plane state for planes with shadow buffers
  *
  * For planes that use a shadow buffer, struct drm_shadow_plane_state
diff --git a/include/drm/drm_gem_shmem_helper.h b/include/drm/drm_gem_shmem_helper.h
index 434328d8a0d9..311d66c9cf4b 100644
--- a/include/drm/drm_gem_shmem_helper.h
+++ b/include/drm/drm_gem_shmem_helper.h
@@ -107,16 +107,17 @@ struct drm_gem_shmem_object {
 	container_of(obj, struct drm_gem_shmem_object, base)
 
 struct drm_gem_shmem_object *drm_gem_shmem_create(struct drm_device *dev, size_t size);
-void drm_gem_shmem_free_object(struct drm_gem_object *obj);
+void drm_gem_shmem_free(struct drm_gem_shmem_object *shmem);
 
 int drm_gem_shmem_get_pages(struct drm_gem_shmem_object *shmem);
 void drm_gem_shmem_put_pages(struct drm_gem_shmem_object *shmem);
-int drm_gem_shmem_pin(struct drm_gem_object *obj);
-void drm_gem_shmem_unpin(struct drm_gem_object *obj);
-int drm_gem_shmem_vmap(struct drm_gem_object *obj, struct dma_buf_map *map);
-void drm_gem_shmem_vunmap(struct drm_gem_object *obj, struct dma_buf_map *map);
+int drm_gem_shmem_pin(struct drm_gem_shmem_object *shmem);
+void drm_gem_shmem_unpin(struct drm_gem_shmem_object *shmem);
+int drm_gem_shmem_vmap(struct drm_gem_shmem_object *shmem, struct dma_buf_map *map);
+void drm_gem_shmem_vunmap(struct drm_gem_shmem_object *shmem, struct dma_buf_map *map);
+int drm_gem_shmem_mmap(struct drm_gem_shmem_object *shmem, struct vm_area_struct *vma);
 
-int drm_gem_shmem_madvise(struct drm_gem_object *obj, int madv);
+int drm_gem_shmem_madvise(struct drm_gem_shmem_object *shmem, int madv);
 
 static inline bool drm_gem_shmem_is_purgeable(struct drm_gem_shmem_object *shmem)
 {
@@ -125,29 +126,156 @@ static inline bool drm_gem_shmem_is_purgeable(struct drm_gem_shmem_object *shmem
 		!shmem->base.dma_buf && !shmem->base.import_attach;
 }
 
-void drm_gem_shmem_purge_locked(struct drm_gem_object *obj);
-bool drm_gem_shmem_purge(struct drm_gem_object *obj);
+void drm_gem_shmem_purge_locked(struct drm_gem_shmem_object *shmem);
+bool drm_gem_shmem_purge(struct drm_gem_shmem_object *shmem);
 
-struct drm_gem_shmem_object *
-drm_gem_shmem_create_with_handle(struct drm_file *file_priv,
-				 struct drm_device *dev, size_t size,
-				 uint32_t *handle);
+struct sg_table *drm_gem_shmem_get_sg_table(struct drm_gem_shmem_object *shmem);
+struct sg_table *drm_gem_shmem_get_pages_sgt(struct drm_gem_shmem_object *shmem);
 
-int drm_gem_shmem_dumb_create(struct drm_file *file, struct drm_device *dev,
-			      struct drm_mode_create_dumb *args);
+void drm_gem_shmem_print_info(const struct drm_gem_shmem_object *shmem,
+			      struct drm_printer *p, unsigned int indent);
+
+/*
+ * GEM object functions
+ */
+
+/**
+ * drm_gem_shmem_object_free - GEM object function for drm_gem_shmem_free()
+ * @obj: GEM object to free
+ *
+ * This function wraps drm_gem_shmem_free(). Drivers that employ the shmem helpers
+ * should use it as their &drm_gem_object_funcs.free handler.
+ */
+static inline void drm_gem_shmem_object_free(struct drm_gem_object *obj)
+{
+	struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj);
+
+	drm_gem_shmem_free(shmem);
+}
+
+/**
+ * drm_gem_shmem_object_print_info() - Print &drm_gem_shmem_object info for debugfs
+ * @p: DRM printer
+ * @indent: Tab indentation level
+ * @obj: GEM object
+ *
+ * This function wraps drm_gem_shmem_print_info(). Drivers that employ the shmem helpers should
+ * use this function as their &drm_gem_object_funcs.print_info handler.
+ */
+static inline void drm_gem_shmem_object_print_info(struct drm_printer *p, unsigned int indent,
+						   const struct drm_gem_object *obj)
+{
+	const struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj);
+
+	drm_gem_shmem_print_info(shmem, p, indent);
+}
+
+/**
+ * drm_gem_shmem_object_pin - GEM object function for drm_gem_shmem_pin()
+ * @obj: GEM object
+ *
+ * This function wraps drm_gem_shmem_pin(). Drivers that employ the shmem helpers should
+ * use it as their &drm_gem_object_funcs.pin handler.
+ */
+static inline int drm_gem_shmem_object_pin(struct drm_gem_object *obj)
+{
+	struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj);
+
+	return drm_gem_shmem_pin(shmem);
+}
+
+/**
+ * drm_gem_shmem_object_unpin - GEM object function for drm_gem_shmem_unpin()
+ * @obj: GEM object
+ *
+ * This function wraps drm_gem_shmem_unpin(). Drivers that employ the shmem helpers should
+ * use it as their &drm_gem_object_funcs.unpin handler.
+ */
+static inline void drm_gem_shmem_object_unpin(struct drm_gem_object *obj)
+{
+	struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj);
+
+	drm_gem_shmem_unpin(shmem);
+}
 
-int drm_gem_shmem_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma);
+/**
+ * drm_gem_shmem_object_get_sg_table - GEM object function for drm_gem_shmem_get_sg_table()
+ * @obj: GEM object
+ *
+ * This function wraps drm_gem_shmem_get_sg_table(). Drivers that employ the shmem helpers should
+ * use it as their &drm_gem_object_funcs.get_sg_table handler.
+ *
+ * Returns:
+ * A pointer to the scatter/gather table of pinned pages or NULL on failure.
+ */
+static inline struct sg_table *drm_gem_shmem_object_get_sg_table(struct drm_gem_object *obj)
+{
+	struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj);
+
+	return drm_gem_shmem_get_sg_table(shmem);
+}
+
+/*
+ * drm_gem_shmem_object_vmap - GEM object function for drm_gem_shmem_vmap()
+ * @obj: GEM object
+ * @map: Returns the kernel virtual address of the SHMEM GEM object's backing store.
+ *
+ * This function wraps drm_gem_shmem_vmap(). Drivers that employ the shmem helpers should
+ * use it as their &drm_gem_object_funcs.vmap handler.
+ *
+ * Returns:
+ * 0 on success or a negative error code on failure.
+ */
+static inline int drm_gem_shmem_object_vmap(struct drm_gem_object *obj, struct dma_buf_map *map)
+{
+	struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj);
+
+	return drm_gem_shmem_vmap(shmem, map);
+}
+
+/*
+ * drm_gem_shmem_object_vunmap - GEM object function for drm_gem_shmem_vunmap()
+ * @obj: GEM object
+ * @map: Kernel virtual address where the SHMEM GEM object was mapped
+ *
+ * This function wraps drm_gem_shmem_vunmap(). Drivers that employ the shmem helpers should
+ * use it as their &drm_gem_object_funcs.vunmap handler.
+ */
+static inline void drm_gem_shmem_object_vunmap(struct drm_gem_object *obj, struct dma_buf_map *map)
+{
+	struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj);
+
+	drm_gem_shmem_vunmap(shmem, map);
+}
+
+/**
+ * drm_gem_shmem_object_mmap - GEM object function for drm_gem_shmem_mmap()
+ * @obj: GEM object
+ * @vma: VMA for the area to be mapped
+ *
+ * This function wraps drm_gem_shmem_mmap(). Drivers that employ the shmem helpers should
+ * use it as their &drm_gem_object_funcs.mmap handler.
+ *
+ * Returns:
+ * 0 on success or a negative error code on failure.
+ */
+static inline int drm_gem_shmem_object_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma)
+{
+	struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj);
+
+	return drm_gem_shmem_mmap(shmem, vma);
+}
 
-void drm_gem_shmem_print_info(struct drm_printer *p, unsigned int indent,
-			      const struct drm_gem_object *obj);
+/*
+ * Driver ops
+ */
 
-struct sg_table *drm_gem_shmem_get_sg_table(struct drm_gem_object *obj);
 struct drm_gem_object *
 drm_gem_shmem_prime_import_sg_table(struct drm_device *dev,
 				    struct dma_buf_attachment *attach,
 				    struct sg_table *sgt);
-
-struct sg_table *drm_gem_shmem_get_pages_sgt(struct drm_gem_object *obj);
+int drm_gem_shmem_dumb_create(struct drm_file *file, struct drm_device *dev,
+			      struct drm_mode_create_dumb *args);
 
 /**
  * DRM_GEM_SHMEM_DRIVER_OPS - Default shmem GEM operations
diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h
index 48b7de80daf5..91ca575a78de 100644
--- a/include/drm/drm_mode_config.h
+++ b/include/drm/drm_mode_config.h
@@ -359,6 +359,19 @@ struct drm_mode_config_funcs {
  * Core mode resource tracking structure.  All CRTC, encoders, and connectors
  * enumerated by the driver are added here, as are global properties.  Some
  * global restrictions are also here, e.g. dimension restrictions.
+ *
+ * Framebuffer sizes refer to the virtual screen that can be displayed by
+ * the CRTC. This can be different from the physical resolution programmed.
+ * The minimum width and height, stored in @min_width and @min_height,
+ * describe the smallest size of the framebuffer. It correlates to the
+ * minimum programmable resolution.
+ * The maximum width, stored in @max_width, is typically limited by the
+ * maximum pitch between two adjacent scanlines. The maximum height, stored
+ * in @max_height, is usually only limited by the amount of addressable video
+ * memory. For hardware that has no real maximum, drivers should pick a
+ * reasonable default.
+ *
+ * See also @DRM_SHADOW_PLANE_MAX_WIDTH and @DRM_SHADOW_PLANE_MAX_HEIGHT.
  */
 struct drm_mode_config {
 	/**
diff --git a/include/drm/drm_of.h b/include/drm/drm_of.h
index b9b093add92e..99f79ac8b4cd 100644
--- a/include/drm/drm_of.h
+++ b/include/drm/drm_of.h
@@ -49,6 +49,7 @@ int drm_of_find_panel_or_bridge(const struct device_node *np,
 				struct drm_bridge **bridge);
 int drm_of_lvds_get_dual_link_pixel_order(const struct device_node *port1,
 					  const struct device_node *port2);
+int drm_of_lvds_get_data_mapping(const struct device_node *port);
 #else
 static inline uint32_t drm_of_crtc_port_mask(struct drm_device *dev,
 					  struct device_node *port)
@@ -98,6 +99,12 @@ drm_of_lvds_get_dual_link_pixel_order(const struct device_node *port1,
 {
 	return -EINVAL;
 }
+
+static inline int
+drm_of_lvds_get_data_mapping(const struct device_node *port)
+{
+	return -EINVAL;
+}
 #endif
 
 /*
diff --git a/include/drm/drm_privacy_screen_consumer.h b/include/drm/drm_privacy_screen_consumer.h
new file mode 100644
index 000000000000..7f66a90d15b7
--- /dev/null
+++ b/include/drm/drm_privacy_screen_consumer.h
@@ -0,0 +1,65 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright (C) 2020 Red Hat, Inc.
+ *
+ * Authors:
+ * Hans de Goede <hdegoede@redhat.com>
+ */
+
+#ifndef __DRM_PRIVACY_SCREEN_CONSUMER_H__
+#define __DRM_PRIVACY_SCREEN_CONSUMER_H__
+
+#include <linux/device.h>
+#include <drm/drm_connector.h>
+
+struct drm_privacy_screen;
+
+#if IS_ENABLED(CONFIG_DRM_PRIVACY_SCREEN)
+struct drm_privacy_screen *drm_privacy_screen_get(struct device *dev,
+						  const char *con_id);
+void drm_privacy_screen_put(struct drm_privacy_screen *priv);
+
+int drm_privacy_screen_set_sw_state(struct drm_privacy_screen *priv,
+				    enum drm_privacy_screen_status sw_state);
+void drm_privacy_screen_get_state(struct drm_privacy_screen *priv,
+				  enum drm_privacy_screen_status *sw_state_ret,
+				  enum drm_privacy_screen_status *hw_state_ret);
+
+int drm_privacy_screen_register_notifier(struct drm_privacy_screen *priv,
+					 struct notifier_block *nb);
+int drm_privacy_screen_unregister_notifier(struct drm_privacy_screen *priv,
+					   struct notifier_block *nb);
+#else
+static inline struct drm_privacy_screen *drm_privacy_screen_get(struct device *dev,
+								const char *con_id)
+{
+	return ERR_PTR(-ENODEV);
+}
+static inline void drm_privacy_screen_put(struct drm_privacy_screen *priv)
+{
+}
+static inline int drm_privacy_screen_set_sw_state(struct drm_privacy_screen *priv,
+						  enum drm_privacy_screen_status sw_state)
+{
+	return -ENODEV;
+}
+static inline void drm_privacy_screen_get_state(struct drm_privacy_screen *priv,
+						enum drm_privacy_screen_status *sw_state_ret,
+						enum drm_privacy_screen_status *hw_state_ret)
+{
+	*sw_state_ret = PRIVACY_SCREEN_DISABLED;
+	*hw_state_ret = PRIVACY_SCREEN_DISABLED;
+}
+static inline int drm_privacy_screen_register_notifier(struct drm_privacy_screen *priv,
+						       struct notifier_block *nb)
+{
+	return -ENODEV;
+}
+static inline int drm_privacy_screen_unregister_notifier(struct drm_privacy_screen *priv,
+							 struct notifier_block *nb)
+{
+	return -ENODEV;
+}
+#endif
+
+#endif
diff --git a/include/drm/drm_privacy_screen_driver.h b/include/drm/drm_privacy_screen_driver.h
new file mode 100644
index 000000000000..24591b607675
--- /dev/null
+++ b/include/drm/drm_privacy_screen_driver.h
@@ -0,0 +1,84 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright (C) 2020 Red Hat, Inc.
+ *
+ * Authors:
+ * Hans de Goede <hdegoede@redhat.com>
+ */
+
+#ifndef __DRM_PRIVACY_SCREEN_DRIVER_H__
+#define __DRM_PRIVACY_SCREEN_DRIVER_H__
+
+#include <linux/device.h>
+#include <linux/list.h>
+#include <linux/mutex.h>
+#include <drm/drm_connector.h>