Merge tag 'drm-misc-next-2025-04-09' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next

drm-misc-next for v6.16-rc1:

UAPI Changes:
- Add ASAHI uapi header!
- Add apple fourcc modifiers.
- Add capset virtio definitions to UAPI.
- Extend EXPORT_SYNC_FILE for timeline syncobjs.

Cross-subsystem Changes:
- Adjust DMA-BUF sg handling to not cache map on attach.
- Update drm/ci, hlcdc, virtio, maintainers.
- Update fbdev todo.
- Allow setting dma-device for dma-buf import.
- Export efi_mem_desc_lookup to make efidrm build as a module.

Core Changes:
- Update drm scheduler docs.
- Use the correct resv object in TTM delayed destroy.
- Fix compiler warning with panic qr code, and other small fixes.
- drm/ci updates.
- Add debugfs file for listing all bridges.
- Small fixes to drm/client, ttm tests.
- Add documentation to display/hdmi.
- Add kunit tests for bridges.
- Dont fail managed device probing if connector polling fails.
- Create Kconfig.debug for drm core.
- Add tests for the drm scheduler.
- Add and use new access helpers for DPCPD.
- Add generic and optimized conversions for format-helper.
- Begin refcounting panel for improving lifetime handling.
- Unify simpledrm and ofdrm sysfb, and add extra features.
- Split hdmi audio in bridge to make DP audio work.

Driver Changes:
- Convert drivers to use devm_platform_ioremap_resource().
- Assorted small fixes to imx/legacy-bridg, gma500, pl111, nouveau, vc4,
  vmwgfx, ast, mxsfb, xlnx, accel/qaic, v3d, bridge/imx8qxp-ldb, ofdrm,
  bridge/fsl-ldb, udl, bridge/ti-sn65dsi86, bridge/anx7625, cirrus-qemu,
  bridge/cdns-dsi, panel/sharp, panel/himax, bridge/sil902x, renesas,
  imagination, various panels.
- Allow attaching more display to vkms.
- Add Powertip PH128800T004-ZZA01 panel.
- Add rotation quirk for ZOTAC panel.
- Convert bridge/tc358775 to atomic.
- Remove deprecated panel calls from synaptics, novatek, samsung panels.
- Refactor shmem helper page pinning and accel drivers using it.
- Add dmabuf support to accel/amdxdna.
- Use 4k page table format for panfrost/mediatek.
- Add common powerup/down dp link helper and use it.
- Assorted compiler warning fixes.
- Support dma-buf import for renesas

Signed-off-by: Dave Airlie <[email protected]>

# Conflicts:
#	include/drm/drm_kunit_helpers.h
From: Maarten Lankhorst <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: airlied

.clang-format

@@ -690,6 +690,13 @@ ForEachMacros:
   - 'v4l2_m2m_for_each_src_buf'
   - 'v4l2_m2m_for_each_src_buf_safe'
   - 'virtio_device_for_each_vq'
+  - 'vkms_config_for_each_connector'
+  - 'vkms_config_for_each_crtc'
+  - 'vkms_config_for_each_encoder'
+  - 'vkms_config_for_each_plane'
+  - 'vkms_config_connector_for_each_possible_encoder'
+  - 'vkms_config_encoder_for_each_possible_crtc'
+  - 'vkms_config_plane_for_each_possible_crtc'
   - 'while_for_each_ftrace_op'
   - 'xa_for_each'
   - 'xa_for_each_marked'

Documentation/devicetree/bindings/display/panel/panel-simple.yaml

@@ -246,6 +246,8 @@ properties:
       - osddisplays,osd070t1718-19ts
         # One Stop Displays OSD101T2045-53TS 10.1" 1920x1200 panel
       - osddisplays,osd101t2045-53ts
+        # POWERTIP PH128800T004-ZZA01 10.1" WXGA TFT LCD panel
+      - powertip,ph128800t004-zza01
         # POWERTIP PH128800T006-ZHC01 10.1" WXGA TFT LCD panel
       - powertip,ph128800t006-zhc01
         # POWERTIP PH800480T013-IDF2 7.0" WVGA TFT LCD panel

Documentation/devicetree/bindings/display/panel/samsung,atna33xc20.yaml

@@ -19,6 +19,8 @@ properties:
       - const: samsung,atna33xc20
       - items:
           - enum:
+              # Samsung 14" WQXGA+ (2880×1800 pixels) eDP AMOLED panel
+              - samsung,atna40yk20
               # Samsung 14.5" WQXGA+ (2880x1800 pixels) eDP AMOLED panel
               - samsung,atna45af01
               # Samsung 14.5" 3K (2944x1840 pixels) eDP AMOLED panel

Documentation/devicetree/bindings/gpu/brcm,bcm-v3d.yaml

@@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
 title: Broadcom V3D GPU
 
 maintainers:
-  - Eric Anholt <[email protected]>
+  - Maíra Canal <[email protected]>
   - Nicolas Saenz Julienne <[email protected]>
 
 properties:
@@ -22,20 +22,12 @@ properties:
       - brcm,7278-v3d
 
   reg:
-    items:
-      - description: hub register (required)
-      - description: core0 register (required)
-      - description: GCA cache controller register (if GCA controller present)
-      - description: bridge register (if no external reset controller)
     minItems: 2
+    maxItems: 4
 
   reg-names:
-    items:
-      - const: hub
-      - const: core0
-      - enum: [ bridge, gca ]
-      - enum: [ bridge, gca ]
     minItems: 2
+    maxItems: 4
 
   interrupts:
     items:
@@ -58,6 +50,76 @@ required:
   - reg-names
   - interrupts
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: brcm,2711-v3d
+    then:
+      properties:
+        reg:
+          items:
+            - description: hub register
+            - description: core0 register
+        reg-names:
+          items:
+            - const: hub
+            - const: core0
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: brcm,2712-v3d
+    then:
+      properties:
+        reg:
+          items:
+            - description: hub register
+            - description: core0 register
+            - description: SMS state manager register
+        reg-names:
+          items:
+            - const: hub
+            - const: core0
+            - const: sms
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: brcm,7268-v3d
+    then:
+      properties:
+        reg:
+          items:
+            - description: hub register
+            - description: core0 register
+            - description: GCA cache controller register
+            - description: bridge register
+        reg-names:
+          items:
+            - const: hub
+            - const: core0
+            - const: gca
+            - const: bridge
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: brcm,7278-v3d
+    then:
+      properties:
+        reg:
+          items:
+            - description: hub register
+            - description: core0 register
+            - description: bridge register
+        reg-names:
+          items:
+            - const: hub
+            - const: core0
+            - const: bridge
+
 additionalProperties: false
 
 examples:
@@ -66,9 +128,9 @@ examples:
       compatible = "brcm,7268-v3d";
       reg = <0xf1200000 0x4000>,
             <0xf1208000 0x4000>,
-            <0xf1204000 0x100>,
-            <0xf1204100 0x100>;
-      reg-names = "hub", "core0", "bridge", "gca";
+            <0xf1204100 0x100>,
+            <0xf1204000 0x100>;
+      reg-names = "hub", "core0", "gca", "bridge";
       interrupts = <0 78 4>,
                    <0 77 4>;
     };

Documentation/gpu/automated_testing.rst

@@ -115,6 +115,10 @@ created (eg. https://gitlab.freedesktop.org/janedoe/linux/-/pipelines)
 5. The various jobs will be run and when the pipeline is finished, all jobs
 should be green unless a regression has been found.
 
+6. Warnings in the pipeline indicate that lockdep
+(see Documentation/locking/lockdep-design.rst) issues have been detected
+during the tests.
+
 
 How to update test expectations
 ===============================

Documentation/gpu/driver-uapi.rst

@@ -27,3 +27,8 @@ drm/xe uAPI
 ===========
 
 .. kernel-doc:: include/uapi/drm/xe_drm.h
+
+drm/asahi uAPI
+================
+
+.. kernel-doc:: include/uapi/drm/asahi_drm.h

Documentation/gpu/drm-kms-helpers.rst

@@ -233,6 +233,21 @@ Panel Self Refresh Helper Reference
 .. kernel-doc:: drivers/gpu/drm/drm_self_refresh_helper.c
    :export:
 
+HDMI Atomic State Helpers
+=========================
+
+Overview
+--------
+
+.. kernel-doc:: drivers/gpu/drm/display/drm_hdmi_state_helper.c
+   :doc: hdmi helpers
+
+Functions Reference
+-------------------
+
+.. kernel-doc:: drivers/gpu/drm/display/drm_hdmi_state_helper.c
+   :export:
+
 HDCP Helper Functions Reference
 ===============================
 

Documentation/gpu/nouveau.rst

@@ -27,3 +27,6 @@ GSP Support
 
 .. kernel-doc:: drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
    :doc: GSP message queue element
+
+.. kernel-doc:: drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h
+   :doc: GSP message handling policy

Documentation/gpu/todo.rst

@@ -441,14 +441,15 @@ Contact: Thomas Zimmermann <[email protected]>
 
 Level: Intermediate
 
-Request memory regions in all drivers
--------------------------------------
+Request memory regions in all fbdev drivers
+--------------------------------------------
 
-Go through all drivers and add code to request the memory regions that the
-driver uses. This requires adding calls to request_mem_region(),
+Old/ancient fbdev drivers do not request their memory properly.
+Go through these drivers and add code to request the memory regions
+that the driver uses. This requires adding calls to request_mem_region(),
 pci_request_region() or similar functions. Use helpers for managed cleanup
-where possible.
-
+where possible. Problematic areas include hardware that has exclusive ranges
+like VGA. VGA16fb does not request the range as it is expected.
 Drivers are pretty bad at doing this and there used to be conflicts among
 DRM and fbdev drivers. Still, it's the correct thing to do.
 

Documentation/gpu/vgaarbiter.rst

@@ -11,9 +11,9 @@ Section 7, Legacy Devices.
 
 The Resource Access Control (RAC) module inside the X server [0] existed for
 the legacy VGA arbitration task (besides other bus management tasks) when more
-than one legacy device co-exists on the same machine. But the problem happens
+than one legacy device co-exist on the same machine. But the problem happens
 when these devices are trying to be accessed by different userspace clients
-(e.g. two server in parallel). Their address assignments conflict. Moreover,
+(e.g. two servers in parallel). Their address assignments conflict. Moreover,
 ideally, being a userspace application, it is not the role of the X server to
 control bus resources. Therefore an arbitration scheme outside of the X server
 is needed to control the sharing of these resources. This document introduces
@@ -106,7 +106,7 @@ In-kernel interface
 libpciaccess
 ------------
 
-To use the vga arbiter char device it was implemented an API inside the
+To use the vga arbiter char device, an API was implemented inside the
 libpciaccess library. One field was added to struct pci_device (each device
 on the system)::