Merge tag 'drm-misc-next-2021-06-09' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 5.14:

UAPI Changes:

 * drm/panfrost: Export AFBC_FEATURES register to userspace

Cross-subsystem Changes:

 * dma-buf: Fix debug printing; Rename dma_resv_*() functions + changes
   in callers; Cleanups

Core Changes:

 * Add prefetching memcpy for WC

 * Avoid circular dependency on CONFIG_FB

 * Cleanups

 * Documentation fixes throughout DRM

 * ttm: Make struct ttm_resource the base of all managers + changes
   in all users of TTM; Add a generic memcpy for page-based iomem; Remove
   use of VM_MIXEDMAP; Cleanups

Driver Changes:

 * drm/bridge: Add TI SN65DSI83 and SN65DSI84 + DT bindings

 * drm/hyperv: Add DRM driver for HyperV graphics output

 * drm/msm: Fix module dependencies

 * drm/panel: KD53T133: Support rotation

 * drm/pl111: Fix module dependencies

 * drm/qxl: Fixes

 * drm/stm: Cleanups

 * drm/sun4i: Be explicit about format modifiers

 * drm/vc4: Use struct gpio_desc; Cleanups

 * drm/vgem: Cleanups

 * drm/vmwgfx: Use ttm_bo_move_null() if there's nothing to copy

 * fbdev/mach64: Cleanups

 * fbdev/mb862xx: Use DEVICE_ATTR_RO

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/YMBw3DF2b9udByfT@linux-uq9g

3 files changed, 170 insertions, 2 deletions

diff --git a/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml
new file mode 100644
index 000000000000..d101233ae17f
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml
@@ -0,0 +1,159 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/ti,sn65dsi83.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: SN65DSI83 and SN65DSI84 DSI to LVDS bridge chip
+
+maintainers:
+  - Marek Vasut <marex@denx.de>
+
+description: |
+  Texas Instruments SN65DSI83 1x Single-link MIPI DSI
+  to 1x Single-link LVDS
+  https://www.ti.com/lit/gpn/sn65dsi83
+  Texas Instruments SN65DSI84 1x Single-link MIPI DSI
+  to 1x Dual-link or 2x Single-link LVDS
+  https://www.ti.com/lit/gpn/sn65dsi84
+
+properties:
+  compatible:
+    enum:
+      - ti,sn65dsi83
+      - ti,sn65dsi84
+
+  reg:
+    enum:
+      - 0x2c
+      - 0x2d
+
+  enable-gpios:
+    maxItems: 1
+    description: GPIO specifier for bridge_en pin (active high).
+
+  ports:
+    $ref: /schemas/graph.yaml#/properties/ports
+
+    properties:
+      port@0:
+        $ref: /schemas/graph.yaml#/properties/port
+        description: Video port for MIPI DSI Channel-A input
+
+        properties:
+          endpoint:
+            $ref: /schemas/media/video-interfaces.yaml#
+            unevaluatedProperties: false
+
+            properties:
+              data-lanes:
+                description: array of physical DSI data lane indexes.
+                minItems: 1
+                maxItems: 4
+                items:
+                  - const: 1
+                  - const: 2
+                  - const: 3
+                  - const: 4
+
+      port@1:
+        $ref: /schemas/graph.yaml#/properties/port
+        description: Video port for MIPI DSI Channel-B input
+
+        properties:
+          endpoint:
+            $ref: /schemas/media/video-interfaces.yaml#
+            unevaluatedProperties: false
+
+            properties:
+              data-lanes:
+                description: array of physical DSI data lane indexes.
+                minItems: 1
+                maxItems: 4
+                items:
+                  - const: 1
+                  - const: 2
+                  - const: 3
+                  - const: 4
+
+      port@2:
+        $ref: /schemas/graph.yaml#/properties/port
+        description: Video port for LVDS Channel-A output (panel or bridge).
+
+      port@3:
+        $ref: /schemas/graph.yaml#/properties/port
+        description: Video port for LVDS Channel-B output (panel or bridge).
+
+    required:
+      - port@0
+      - port@2
+
+required:
+  - compatible
+  - reg
+  - enable-gpios
+  - ports
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: ti,sn65dsi83
+    then:
+      properties:
+        ports:
+          properties:
+            port@1: false
+            port@3: false
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: ti,sn65dsi84
+    then:
+      properties:
+        ports:
+          properties:
+            port@1: false
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        bridge@2d {
+            compatible = "ti,sn65dsi83";
+            reg = <0x2d>;
+
+            enable-gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>;
+
+            ports {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                port@0 {
+                    reg = <0>;
+
+                    endpoint {
+                        remote-endpoint = <&dsi0_out>;
+                        data-lanes = <1 2 3 4>;
+                    };
+                };
+
+                port@2 {
+                    reg = <2>;
+
+                    endpoint {
+                        remote-endpoint = <&panel_in_lvds>;
+                    };
+                };
+            };
+        };
+    };
diff --git a/Documentation/driver-api/dma-buf.rst b/Documentation/driver-api/dma-buf.rst
index 7f37ec30d9fd..7f21425d9435 100644
--- a/Documentation/driver-api/dma-buf.rst
+++ b/Documentation/driver-api/dma-buf.rst
@@ -178,6 +178,15 @@ DMA Fence Array
 .. kernel-doc:: include/linux/dma-fence-array.h
    :internal:
 
+DMA Fence Chain
+~~~~~~~~~~~~~~~
+
+.. kernel-doc:: drivers/dma-buf/dma-fence-chain.c
+   :export:
+
+.. kernel-doc:: include/linux/dma-fence-chain.h
+   :internal:
+
 DMA Fence uABI/Sync File
 ~~~~~~~~~~~~~~~~~~~~~~~~
 
diff --git a/Documentation/gpu/drm-mm.rst b/Documentation/gpu/drm-mm.rst
index 21be6deadc12..d5a73fa2c9ef 100644
--- a/Documentation/gpu/drm-mm.rst
+++ b/Documentation/gpu/drm-mm.rst
@@ -469,8 +469,8 @@ DRM MM Range Allocator Function References
 .. kernel-doc:: drivers/gpu/drm/drm_mm.c
    :export:
 
-DRM Cache Handling
-==================
+DRM Cache Handling and Fast WC memcpy()
+=======================================
 
 .. kernel-doc:: drivers/gpu/drm/drm_cache.c
    :export: