Merge tag 'drm-misc-next-2025-05-12' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next

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

Once more, with async flips.

UAPI Changes:
- Add IN_FORMATS_ASYNC property, use in i915.

Cross-subsystem Changes:
- Remove some unused debug code in dma-buf.

Core Changes:

Driver Changes:
- Add Novatek NT37801 panel.
- Allow submitting empty commands in amdxdna.
- Convert cirrus to use managed request_all_regions.
- Move Sitronix from tiny to their own place.

Signed-off-by: Dave Airlie <[email protected]>
From: Maarten Lankhorst <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: airlied

Documentation/devicetree/bindings/display/panel/novatek,nt37801.yaml

@@ -0,0 +1,69 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/novatek,nt37801.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Novatek NT37801 AMOLED DSI Panel
+
+maintainers:
+  - Krzysztof Kozlowski <[email protected]>
+
+description:
+  Naming is inconclusive and different sources claim this is either Novatek
+  NT37801 or NT37810 AMOLED DSI Panel.
+
+allOf:
+  - $ref: panel-common.yaml#
+
+properties:
+  compatible:
+    const: novatek,nt37801
+
+  reg:
+    maxItems: 1
+    description: DSI virtual channel
+
+  vci-supply: true
+  vdd-supply: true
+  vddio-supply: true
+  port: true
+  reset-gpios: true
+
+required:
+  - compatible
+  - reg
+  - vci-supply
+  - vdd-supply
+  - vddio-supply
+  - port
+  - reset-gpios
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    dsi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        panel@0 {
+            compatible = "novatek,nt37801";
+            reg = <0>;
+
+            vci-supply = <&vreg_l13b_3p0>;
+            vdd-supply = <&vreg_l11b_1p2>;
+            vddio-supply = <&vreg_l12b_1p8>;
+
+            reset-gpios = <&tlmm 98 GPIO_ACTIVE_LOW>;
+
+            port {
+                endpoint {
+                    remote-endpoint = <&dsi0_out>;
+                };
+            };
+        };
+    };
+...

Documentation/devicetree/bindings/display/panel/truly,nt35597-2K-display.yaml

@@ -0,0 +1,97 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/truly,nt35597-2K-display.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Truly NT35597 DSI 2K display
+
+maintainers:
+  - Neil Armstrong <[email protected]>
+
+description: |
+  Truly NT35597 DSI 2K display is used on the Qualcomm SDM845 MTP board.
+
+allOf:
+  - $ref: panel-common-dual.yaml#
+
+properties:
+  compatible:
+    const: truly,nt35597-2K-display
+
+  reg:
+    maxItems: 1
+
+  vdda-supply:
+    description: regulator that provides the supply voltage Power IC supply
+
+  vdispp-supply:
+    description: regulator that provides the supply voltage for positive LCD bias
+
+  vdispn-supply:
+    description: regulator that provides the supply voltage for negative LCD bias
+
+  reset-gpios: true
+
+  mode-gpios:
+    description:
+      Gpio for choosing the mode of the display for single DSI or Dual DSI.
+      This should be low for dual DSI and high for single DSI mode.
+
+  ports:
+    required:
+      - port@0
+      - port@1
+
+required:
+  - compatible
+  - reg
+  - vdda-supply
+  - reset-gpios
+  - mode-gpios
+  - ports
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    dsi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        panel@0 {
+            compatible = "truly,nt35597-2K-display";
+            reg = <0>;
+
+            vdda-supply = <&pm8998_l14>;
+            vdispp-supply = <&lab_regulator>;
+            vdispn-supply = <&ibb_regulator>;
+
+            reset-gpios = <&tlmm 6 GPIO_ACTIVE_LOW>;
+            mode-gpios = <&tlmm 52 GPIO_ACTIVE_HIGH>;
+
+            ports {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                port@0 {
+                    reg = <0>;
+
+                    panel0_in: endpoint {
+                        remote-endpoint = <&dsi0_out>;
+                    };
+                };
+
+                port@1 {
+                    reg = <1>;
+
+                    panel1_in: endpoint {
+                        remote-endpoint = <&dsi1_out>;
+                    };
+                };
+            };
+        };
+    };
+...

Documentation/devicetree/bindings/display/truly,nt35597.txt

@@ -7574,6 +7574,12 @@ T:	git https://gitlab.freedesktop.org/drm/misc/kernel.git
 F:	Documentation/devicetree/bindings/display/panel/novatek,nt36672a.yaml
 F:	drivers/gpu/drm/panel/panel-novatek-nt36672a.c
 
+DRM DRIVER FOR NOVATEK NT37801 PANELS
+M:	Krzysztof Kozlowski <[email protected]>
+S:	Maintained
+F:	Documentation/devicetree/bindings/display/panel/novatek,nt37801.yaml
+F:	drivers/gpu/drm/panel/panel-novatek-nt37801.c
+
 DRM DRIVER FOR NVIDIA GEFORCE/QUADRO GPUS
 M:	Lyude Paul <[email protected]>
 M:	Danilo Krummrich <[email protected]>
@@ -7689,13 +7695,13 @@ M:	David Lechner <[email protected]>
 S:	Maintained
 T:	git https://gitlab.freedesktop.org/drm/misc/kernel.git
 F:	Documentation/devicetree/bindings/display/sitronix,st7586.txt
-F:	drivers/gpu/drm/tiny/st7586.c
+F:	drivers/gpu/drm/sitronix/st7586.c
 
 DRM DRIVER FOR SITRONIX ST7571 PANELS
 M:	Marcus Folkesson <[email protected]>
 S:	Maintained
 F:	Documentation/devicetree/bindings/display/sitronix,st7571.yaml
-F:	drivers/gpu/drm/tiny/st7571-i2c.c
+F:	drivers/gpu/drm/sitronix/st7571-i2c.c
 
 DRM DRIVER FOR SITRONIX ST7701 PANELS
 M:	Jagan Teki <[email protected]>
@@ -7716,7 +7722,7 @@ M:	David Lechner <[email protected]>
 S:	Maintained
 T:	git https://gitlab.freedesktop.org/drm/misc/kernel.git
 F:	Documentation/devicetree/bindings/display/sitronix,st7735r.yaml
-F:	drivers/gpu/drm/tiny/st7735r.c
+F:	drivers/gpu/drm/sitronix/st7735r.c
 
 DRM DRIVER FOR SOLOMON SSD130X OLED DISPLAYS
 M:	Javier Martinez Canillas <[email protected]>

MAINTAINERS

@@ -496,11 +496,11 @@ static int amdxdna_drm_submit_execbuf(struct amdxdna_client *client,
 				      struct amdxdna_drm_exec_cmd *args)
 {
 	struct amdxdna_dev *xdna = client->xdna;
-	u32 *arg_bo_hdls;
+	u32 *arg_bo_hdls = NULL;
 	u32 cmd_bo_hdl;
 	int ret;
 
-	if (!args->arg_count || args->arg_count > MAX_ARG_COUNT) {
+	if (args->arg_count > MAX_ARG_COUNT) {
 		XDNA_ERR(xdna, "Invalid arg bo count %d", args->arg_count);
 		return -EINVAL;
 	}
@@ -512,14 +512,16 @@ static int amdxdna_drm_submit_execbuf(struct amdxdna_client *client,
 	}
 
 	cmd_bo_hdl = (u32)args->cmd_handles;
-	arg_bo_hdls = kcalloc(args->arg_count, sizeof(u32), GFP_KERNEL);
-	if (!arg_bo_hdls)
-		return -ENOMEM;
-	ret = copy_from_user(arg_bo_hdls, u64_to_user_ptr(args->args),
-			     args->arg_count * sizeof(u32));
-	if (ret) {
-		ret = -EFAULT;
-		goto free_cmd_bo_hdls;
+	if (args->arg_count) {
+		arg_bo_hdls = kcalloc(args->arg_count, sizeof(u32), GFP_KERNEL);
+		if (!arg_bo_hdls)
+			return -ENOMEM;
+		ret = copy_from_user(arg_bo_hdls, u64_to_user_ptr(args->args),
+				     args->arg_count * sizeof(u32));
+		if (ret) {
+			ret = -EFAULT;
+			goto free_cmd_bo_hdls;
+		}
 	}
 
 	ret = amdxdna_cmd_submit(client, cmd_bo_hdl, arg_bo_hdls,

drivers/accel/amdxdna/amdxdna_ctx.c

@@ -12,8 +12,6 @@ static struct dentry *dbgfs;
 
 static LIST_HEAD(sync_timeline_list_head);
 static DEFINE_SPINLOCK(sync_timeline_list_lock);
-static LIST_HEAD(sync_file_list_head);
-static DEFINE_SPINLOCK(sync_file_list_lock);
 
 void sync_timeline_debug_add(struct sync_timeline *obj)
 {
@@ -33,24 +31,6 @@ void sync_timeline_debug_remove(struct sync_timeline *obj)
 	spin_unlock_irqrestore(&sync_timeline_list_lock, flags);
 }
 
-void sync_file_debug_add(struct sync_file *sync_file)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&sync_file_list_lock, flags);
-	list_add_tail(&sync_file->sync_file_list, &sync_file_list_head);
-	spin_unlock_irqrestore(&sync_file_list_lock, flags);
-}
-
-void sync_file_debug_remove(struct sync_file *sync_file)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&sync_file_list_lock, flags);
-	list_del(&sync_file->sync_file_list);
-	spin_unlock_irqrestore(&sync_file_list_lock, flags);
-}
-
 static const char *sync_status_str(int status)
 {
 	if (status < 0)
@@ -101,26 +81,6 @@ static void sync_print_obj(struct seq_file *s, struct sync_timeline *obj)
 	spin_unlock(&obj->lock);
 }
 
-static void sync_print_sync_file(struct seq_file *s,
-				  struct sync_file *sync_file)
-{
-	char buf[128];
-	int i;
-
-	seq_printf(s, "[%p] %s: %s\n", sync_file,
-		   sync_file_get_name(sync_file, buf, sizeof(buf)),
-		   sync_status_str(dma_fence_get_status(sync_file->fence)));
-
-	if (dma_fence_is_array(sync_file->fence)) {
-		struct dma_fence_array *array = to_dma_fence_array(sync_file->fence);
-
-		for (i = 0; i < array->num_fences; ++i)
-			sync_print_fence(s, array->fences[i], true);
-	} else {
-		sync_print_fence(s, sync_file->fence, true);
-	}
-}
-
 static int sync_info_debugfs_show(struct seq_file *s, void *unused)
 {
 	struct list_head *pos;
@@ -140,15 +100,6 @@ static int sync_info_debugfs_show(struct seq_file *s, void *unused)
 
 	seq_puts(s, "fences:\n--------------\n");
 
-	spin_lock_irq(&sync_file_list_lock);
-	list_for_each(pos, &sync_file_list_head) {
-		struct sync_file *sync_file =
-			container_of(pos, struct sync_file, sync_file_list);
-
-		sync_print_sync_file(s, sync_file);
-		seq_putc(s, '\n');
-	}
-	spin_unlock_irq(&sync_file_list_lock);
 	return 0;
 }
 

drivers/dma-buf/sync_debug.c

@@ -68,7 +68,5 @@ extern const struct file_operations sw_sync_debugfs_fops;
 
 void sync_timeline_debug_add(struct sync_timeline *obj);
 void sync_timeline_debug_remove(struct sync_timeline *obj);
-void sync_file_debug_add(struct sync_file *fence);
-void sync_file_debug_remove(struct sync_file *fence);
 
 #endif /* _LINUX_SYNC_H */

drivers/dma-buf/sync_debug.h

@@ -385,6 +385,8 @@ source "drivers/gpu/drm/xlnx/Kconfig"
 
 source "drivers/gpu/drm/gud/Kconfig"
 
+source "drivers/gpu/drm/sitronix/Kconfig"
+
 source "drivers/gpu/drm/solomon/Kconfig"
 
 source "drivers/gpu/drm/sprd/Kconfig"