Merge tag 'drm-misc-next-2024-08-22' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next

drm-misc-next for v6.12:

Cross-subsystem Changes:

string:
- add mem_is_zero()

Core Changes:

edid:
- use mem_is_zero()

Driver Changes:

ast:
- reorganize output code by type (VGA, DP, etc)
- convert to struct drm_edid
- fix BMC handling for all outputs

bridge:
- anx7625: simplify OF array handling
- dw-hdmi: simplify clock handling
- lontium-lt8912b: fix mode validation
- nwl-dsi: fix mode vsync/hsync polarity

panel:
- ili9341: fix comments
- jd9365da: fix "exit sleep" commands
- jdi-fhd-r63452: simplify error handling with DSI multi-style
  helpers
- mantix-mlaf057we51: simplify error handling with DSI multi-style
  helpers
- simple: support Innolux G070ACE-LH3 plus DT bindings; support
  On Tat Industrial Company KD50G21-40NT-A1 plus DT bindings
- st7701: decouple DSI and DRM code; add SPI support; support Anbernic
  RG28XX plus DT bindings

vc4:
- fix PM during detect
- replace DRM_ERROR() with drm_error()
- v3d: simplify clock retrieval

Signed-off-by: Daniel Vetter <[email protected]>
From: Thomas Zimmermann <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

Author: danvet

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

@@ -158,6 +158,8 @@ properties:
       - innolux,at070tn92
         # Innolux G070ACE-L01 7" WVGA (800x480) TFT LCD panel
       - innolux,g070ace-l01
+        # Innolux G070ACE-LH3 7" WVGA (800x480) TFT LCD panel with WLED backlight
+      - innolux,g070ace-lh3
         # Innolux G070Y2-L01 7" WVGA (800x480) TFT LCD panel
       - innolux,g070y2-l01
         # Innolux G070Y2-T02 7" WVGA (800x480) TFT LCD TTL panel
@@ -222,6 +224,8 @@ properties:
       - okaya,rs800480t-7x0gp
         # Olimex 4.3" TFT LCD panel
       - olimex,lcd-olinuxino-43-ts
+        # On Tat Industrial Company 5" DPI TFT panel.
+      - ontat,kd50g21-40nt-a1
         # On Tat Industrial Company 7" DPI TFT panel.
       - ontat,yx700wv03
         # OrtusTech COM37H3M05DTC Blanview 3.7" VGA portrait TFT-LCD panel

Documentation/devicetree/bindings/display/panel/sitronix,st7701.yaml

@@ -20,21 +20,19 @@ description: |
   Densitron DMT028VGHMCMI-1A is 480x640, 2-lane MIPI DSI LCD panel
   which has built-in ST7701 chip.
 
-allOf:
-  - $ref: panel-common.yaml#
-
 properties:
   compatible:
     items:
       - enum:
           - anbernic,rg-arc-panel
+          - anbernic,rg28xx-panel
           - densitron,dmt028vghmcmi-1a
           - elida,kd50t048a
           - techstar,ts8550b
       - const: sitronix,st7701
 
   reg:
-    description: DSI virtual channel used by that screen
+    description: DSI / SPI channel used by that screen
     maxItems: 1
 
   VCC-supply:
@@ -43,6 +41,13 @@ properties:
   IOVCC-supply:
     description: I/O system regulator
 
+  dc-gpios:
+    maxItems: 1
+    description:
+      Controller data/command selection (D/CX) in 4-line SPI mode.
+      If not set, the controller is in 3-line SPI mode.
+      Disallowed for DSI.
+
   port: true
   reset-gpios: true
   rotation: true
@@ -57,7 +62,38 @@ required:
   - port
   - reset-gpios
 
-additionalProperties: false
+allOf:
+  - $ref: panel-common.yaml#
+  - if:
+      properties:
+        compatible:
+          contains:
+            # SPI connected panels
+            enum:
+              - anbernic,rg28xx-panel
+    then:
+      $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+  - if:
+      properties:
+        compatible:
+          not:
+            contains:
+              # DSI or SPI without D/CX pin
+              enum:
+                - anbernic,rg-arc-panel
+                - anbernic,rg28xx-panel
+                - densitron,dmt028vghmcmi-1a
+                - elida,kd50t048a
+                - techstar,ts8550b
+    then:
+      required:
+        - dc-gpios
+    else:
+      properties:
+        dc-gpios: false
+
+unevaluatedProperties: false
 
 examples:
   - |
@@ -82,3 +118,26 @@ examples:
             };
         };
     };
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        panel@0 {
+            compatible = "anbernic,rg28xx-panel", "sitronix,st7701";
+            reg = <0>;
+            spi-max-frequency = <3125000>;
+            VCC-supply = <&reg_lcd>;
+            IOVCC-supply = <&reg_lcd>;
+            reset-gpios = <&pio 8 14 GPIO_ACTIVE_HIGH>; /* LCD-RST: PI14 */
+            backlight = <&backlight>;
+
+            port {
+                panel_in_rgb: endpoint {
+                    remote-endpoint = <&tcon_lcd0_out_lcd>;
+                };
+            };
+        };
+    };

MAINTAINERS

@@ -18771,7 +18771,6 @@ F:	include/dt-bindings/clock/qcom,*
 QUALCOMM CLOUD AI (QAIC) DRIVER
 M:	Jeffrey Hugo <[email protected]>
 R:	Carl Vanderlip <[email protected]>
-R:	Pranjal Ramajor Asha Kanojiya <[email protected]>
 L:	[email protected]
 L:	[email protected]
 S:	Supported

drivers/gpu/drm/ast/Makefile

@@ -11,6 +11,8 @@ ast-y := \
 	ast_main.o \
 	ast_mm.o \
 	ast_mode.o \
-	ast_post.o
+	ast_post.o \
+	ast_sil164.o \
+	ast_vga.o
 
 obj-$(CONFIG_DRM_AST) := ast.o