Merge drm/drm-next into drm-misc-next-fixes

Backmerging to update drm-misc-next-fixes for the final phase
of the release cycle, again.

Signed-off-by: Thomas Zimmermann <[email protected]>

Author: Thomas Zimmermann

Documentation/admin-guide/kernel-parameters.txt

@@ -3777,12 +3777,15 @@
 			shutdown the other cpus.  Instead use the REBOOT_VECTOR
 			irq.
 
-	nomodeset	Disable kernel modesetting. DRM drivers will not perform
-			display-mode changes or accelerated rendering. Only the
-			system framebuffer will be available for use if this was
-			set-up by the firmware or boot loader.
-
-			Useful as fallback, or for testing and debugging.
+	nomodeset	Disable kernel modesetting. Most systems' firmware
+			sets up a display mode and provides framebuffer memory
+			for output. With nomodeset, DRM and fbdev drivers will
+			not load if they could possibly displace the pre-
+			initialized output. Only the system framebuffer will
+			be available for use. The respective drivers will not
+			perform display-mode changes or accelerated rendering.
+
+			Useful as error fallback, or for testing and debugging.
 
 	nomodule	Disable module load
 

Documentation/devicetree/bindings/display/panel/newvision,nv3051d.yaml

@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/newvision,nv3051d.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NewVision NV3051D based LCD panel
+
+description: |
+  The NewVision NV3051D is a driver chip used to drive DSI panels. For now,
+  this driver only supports the 640x480 panels found in the Anbernic RG353
+  based devices.
+
+maintainers:
+  - Chris Morgan <[email protected]>
+
+allOf:
+  - $ref: panel-common.yaml#
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - anbernic,rg353p-panel
+          - anbernic,rg353v-panel
+      - const: newvision,nv3051d
+
+  reg: true
+  backlight: true
+  port: true
+  reset-gpios:
+    description: Active low reset GPIO
+  vdd-supply: true
+
+required:
+  - compatible
+  - reg
+  - backlight
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    dsi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        panel@0 {
+            compatible = "anbernic,rg353p-panel", "newvision,nv3051d";
+            reg = <0>;
+            backlight = <&backlight>;
+            reset-gpios = <&gpio4 0 GPIO_ACTIVE_LOW>;
+            vdd-supply = <&vcc3v3_lcd>;
+
+            port {
+                mipi_in_panel: endpoint {
+                    remote-endpoint = <&mipi_out_panel>;
+                };
+            };
+        };
+    };
+
+...

Documentation/devicetree/bindings/vendor-prefixes.yaml

@@ -887,6 +887,8 @@ patternProperties:
     description: Shenzhen Netxeon Technology CO., LTD
   "^neweast,.*":
     description: Guangdong Neweast Optoelectronics CO., LTD
+  "^newvision,.*":
+    description: New Vision Display (Shenzhen) Co., Ltd.
   "^nexbox,.*":
     description: Nexbox
   "^nextthing,.*":

Documentation/fb/modedb.rst

@@ -26,6 +26,11 @@ Valid mode specifiers (mode_option argument)::
 with <xres>, <yres>, <bpp> and <refresh> decimal numbers and <name> a string.
 Things between square brackets are optional.
 
+Valid names are::
+
+  - NSTC: 480i output, with the CCIR System-M TV mode and NTSC color encoding
+  - PAL: 576i output, with the CCIR System-B TV mode and PAL color encoding
+
 If 'M' is specified in the mode_option argument (after <yres> and before
 <bpp> and <refresh>, if specified) the timings will be calculated using
 VESA(TM) Coordinated Video Timings instead of looking up the mode from a table.

Documentation/gpu/drm-usage-stats.rst

@@ -126,7 +126,6 @@ percentage utilization of the engine, whereas drm-engine-<str> only reflects
 time active without considering what frequency the engine is operating as a
 percentage of it's maximum frequency.
 
-===============================
 Driver specific implementations
 ===============================
 

Documentation/gpu/i915.rst

@@ -494,7 +494,7 @@ WOPCM
 WOPCM Layout
 ~~~~~~~~~~~~
 
-.. kernel-doc:: drivers/gpu/drm/i915/intel_wopcm.c
+.. kernel-doc:: drivers/gpu/drm/i915/gt/intel_wopcm.c
    :doc: WOPCM Layout
 
 GuC

MAINTAINERS

@@ -6701,8 +6701,10 @@ F:	drivers/gpu/drm/drm_aperture.c
 F:	drivers/gpu/drm/tiny/ofdrm.c
 F:	drivers/gpu/drm/tiny/simpledrm.c
 F:	drivers/video/aperture.c
+F:	drivers/video/nomodeset.c
 F:	include/drm/drm_aperture.h
 F:	include/linux/aperture.h
+F:	include/video/nomodeset.h
 
 DRM DRIVER FOR SIS VIDEO CARDS
 S:	Orphan / Obsolete

drivers/dma-buf/dma-buf.c

@@ -129,6 +129,7 @@ static struct file_system_type dma_buf_fs_type = {
 static int dma_buf_mmap_internal(struct file *file, struct vm_area_struct *vma)
 {
 	struct dma_buf *dmabuf;
+	int ret;
 
 	if (!is_dma_buf_file(file))
 		return -EINVAL;
@@ -144,7 +145,11 @@ static int dma_buf_mmap_internal(struct file *file, struct vm_area_struct *vma)
 	    dmabuf->size >> PAGE_SHIFT)
 		return -EINVAL;
 
-	return dmabuf->ops->mmap(dmabuf, vma);
+	dma_resv_lock(dmabuf->resv, NULL);
+	ret = dmabuf->ops->mmap(dmabuf, vma);
+	dma_resv_unlock(dmabuf->resv);
+
+	return ret;
 }
 
 static loff_t dma_buf_llseek(struct file *file, loff_t offset, int whence)

drivers/dma-buf/heaps/cma_heap.c

@@ -13,6 +13,7 @@
 #include <linux/dma-buf.h>
 #include <linux/dma-heap.h>
 #include <linux/dma-map-ops.h>
+#include <linux/dma-resv.h>
 #include <linux/err.h>
 #include <linux/highmem.h>
 #include <linux/io.h>
@@ -182,6 +183,8 @@ static int cma_heap_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma)
 {
 	struct cma_heap_buffer *buffer = dmabuf->priv;
 
+	dma_resv_assert_held(dmabuf->resv);
+
 	if ((vma->vm_flags & (VM_SHARED | VM_MAYSHARE)) == 0)
 		return -EINVAL;
 

drivers/dma-buf/heaps/system_heap.c

@@ -13,6 +13,7 @@
 #include <linux/dma-buf.h>
 #include <linux/dma-mapping.h>
 #include <linux/dma-heap.h>
+#include <linux/dma-resv.h>
 #include <linux/err.h>
 #include <linux/highmem.h>
 #include <linux/mm.h>
@@ -201,6 +202,8 @@ static int system_heap_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma)
 	struct sg_page_iter piter;
 	int ret;
 
+	dma_resv_assert_held(dmabuf->resv);
+
 	for_each_sgtable_page(table, &piter, vma->vm_pgoff) {
 		struct page *page = sg_page_iter_page(&piter);