Merge tag 'drm-next-20221109' of git://linuxtv.org/pinchartl/media into drm-next

- Renesas RZ/G2L DSI support
- Renesas DU Kconfig cleanup
- Xilinx DPSUB fix
Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Y2u+mhkPJQ4de3q5@pendragon.ideasonboard.com

Documentation/devicetree/bindings/display/bridge/renesas,dsi.yaml

+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/renesas,dsi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas RZ/G2L MIPI DSI Encoder
+
+maintainers:
+  - Biju Das <biju.das.jz@bp.renesas.com>
+
+description: |
+  This binding describes the MIPI DSI encoder embedded in the Renesas
+  RZ/G2L alike family of SoC's. The encoder can operate in DSI mode, with
+  up to four data lanes.
+
+allOf:
+  - $ref: /schemas/display/dsi-controller.yaml#
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - renesas,r9a07g044-mipi-dsi # RZ/G2{L,LC}
+      - const: renesas,rzg2l-mipi-dsi
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    items:
+      - description: Sequence operation channel 0 interrupt
+      - description: Sequence operation channel 1 interrupt
+      - description: Video-Input operation channel 1 interrupt
+      - description: DSI Packet Receive interrupt
+      - description: DSI Fatal Error interrupt
+      - description: DSI D-PHY PPI interrupt
+      - description: Debug interrupt
+
+  interrupt-names:
+    items:
+      - const: seq0
+      - const: seq1
+      - const: vin1
+      - const: rcv
+      - const: ferr
+      - const: ppi
+      - const: debug
+
+  clocks:
+    items:
+      - description: DSI D-PHY PLL multiplied clock
+      - description: DSI D-PHY system clock
+      - description: DSI AXI bus clock
+      - description: DSI Register access clock
+      - description: DSI Video clock
+      - description: DSI D-PHY Escape mode transmit clock
+
+  clock-names:
+    items:
+      - const: pllclk
+      - const: sysclk
+      - const: aclk
+      - const: pclk
+      - const: vclk
+      - const: lpclk
+
+  resets:
+    items:
+      - description: MIPI_DSI_CMN_RSTB
+      - description: MIPI_DSI_ARESET_N
+      - description: MIPI_DSI_PRESET_N
+
+  reset-names:
+    items:
+      - const: rst
+      - const: arst
+      - const: prst
+
+  power-domains:
+    maxItems: 1
+
+  ports:
+    $ref: /schemas/graph.yaml#/properties/ports
+
+    properties:
+      port@0:
+        $ref: /schemas/graph.yaml#/properties/port
+        description: Parallel input port
+
+      port@1:
+        $ref: /schemas/graph.yaml#/$defs/port-base
+        unevaluatedProperties: false
+        description: DSI output port
+
+        properties:
+          endpoint:
+            $ref: /schemas/media/video-interfaces.yaml#
+            unevaluatedProperties: false
+
+            properties:
+              data-lanes:
+                description: array of physical DSI data lane indexes.
+                minItems: 1
+                items:
+                  - const: 1
+                  - const: 2
+                  - const: 3
+                  - const: 4
+
+            required:
+              - data-lanes
+
+    required:
+      - port@0
+      - port@1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - interrupt-names
+  - clocks
+  - clock-names
+  - resets
+  - reset-names
+  - power-domains
+  - ports
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/r9a07g044-cpg.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    dsi0: dsi@10850000 {
+        compatible = "renesas,r9a07g044-mipi-dsi", "renesas,rzg2l-mipi-dsi";
+        reg = <0x10850000 0x20000>;
+        interrupts = <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
+        interrupt-names = "seq0", "seq1", "vin1", "rcv",
+                          "ferr", "ppi", "debug";
+        clocks = <&cpg CPG_MOD R9A07G044_MIPI_DSI_PLLCLK>,
+                 <&cpg CPG_MOD R9A07G044_MIPI_DSI_SYSCLK>,
+                 <&cpg CPG_MOD R9A07G044_MIPI_DSI_ACLK>,
+                 <&cpg CPG_MOD R9A07G044_MIPI_DSI_PCLK>,
+                 <&cpg CPG_MOD R9A07G044_MIPI_DSI_VCLK>,
+                 <&cpg CPG_MOD R9A07G044_MIPI_DSI_LPCLK>;
+        clock-names = "pllclk", "sysclk", "aclk", "pclk", "vclk", "lpclk";
+        resets = <&cpg R9A07G044_MIPI_DSI_CMN_RSTB>,
+                 <&cpg R9A07G044_MIPI_DSI_ARESET_N>,
+                 <&cpg R9A07G044_MIPI_DSI_PRESET_N>;
+        reset-names = "rst", "arst", "prst";
+        power-domains = <&cpg>;
+
+        ports {
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            port@0 {
+                reg = <0>;
+                dsi0_in: endpoint {
+                    remote-endpoint = <&du_out_dsi0>;
+                };
+            };
+
+            port@1 {
+                reg = <1>;
+                dsi0_out: endpoint {
+                    data-lanes = <1 2 3 4>;
+                    remote-endpoint = <&adv7535_in>;
+                };
+            };
+        };
+    };
+...

drivers/gpu/drm/rcar-du/Kconfig

@@ -41,8 +41,6 @@ config DRM_RCAR_LVDS
 	depends on DRM_RCAR_USE_LVDS
 	select DRM_KMS_HELPER
 	select DRM_PANEL
-	select OF_FLATTREE
-	select OF_OVERLAY
 
 config DRM_RCAR_MIPI_DSI
 	tristate "R-Car DU MIPI DSI Encoder Support"
@@ -51,6 +49,14 @@ config DRM_RCAR_MIPI_DSI
 	help
 	  Enable support for the R-Car Display Unit embedded MIPI DSI encoders.
 
+config DRM_RZG2L_MIPI_DSI
+	tristate "RZ/G2L MIPI DSI Encoder Support"
+	depends on DRM_BRIDGE && OF
+	depends on ARCH_RENESAS || COMPILE_TEST
+	select DRM_MIPI_DSI
+	help
+	  Enable support for the RZ/G2L Display Unit embedded MIPI DSI encoders.
+
 config DRM_RCAR_VSP
 	bool "R-Car DU VSP Compositor Support" if ARM
 	default y if ARM64

drivers/gpu/drm/rcar-du/Makefile

@@ -14,3 +14,5 @@ obj-$(CONFIG_DRM_RCAR_DU)		+= rcar-du-drm.o
 obj-$(CONFIG_DRM_RCAR_DW_HDMI)		+= rcar_dw_hdmi.o
 obj-$(CONFIG_DRM_RCAR_LVDS)		+= rcar_lvds.o
 obj-$(CONFIG_DRM_RCAR_MIPI_DSI)		+= rcar_mipi_dsi.o
+
+obj-$(CONFIG_DRM_RZG2L_MIPI_DSI)	+= rzg2l_mipi_dsi.o

drivers/gpu/drm/rcar-du/rzg2l_mipi_dsi_regs.h

+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * RZ/G2L MIPI DSI Interface Registers Definitions
+ *
+ * Copyright (C) 2022 Renesas Electronics Corporation
+ */
+
+#ifndef __RZG2L_MIPI_DSI_REGS_H__
+#define __RZG2L_MIPI_DSI_REGS_H__
+
+#include <linux/bits.h>
+
+/* DPHY Registers */
+#define DSIDPHYCTRL0			0x00
+#define DSIDPHYCTRL0_CAL_EN_HSRX_OFS	BIT(16)
+#define DSIDPHYCTRL0_CMN_MASTER_EN	BIT(8)
+#define DSIDPHYCTRL0_RE_VDD_DETVCCQLV18	BIT(2)
+#define DSIDPHYCTRL0_EN_LDO1200		BIT(1)
+#define DSIDPHYCTRL0_EN_BGR		BIT(0)
+
+#define DSIDPHYTIM0			0x04
+#define DSIDPHYTIM0_TCLK_MISS(x)	((x) << 24)
+#define DSIDPHYTIM0_T_INIT(x)		((x) << 0)
+
+#define DSIDPHYTIM1			0x08
+#define DSIDPHYTIM1_THS_PREPARE(x)	((x) << 24)
+#define DSIDPHYTIM1_TCLK_PREPARE(x)	((x) << 16)
+#define DSIDPHYTIM1_THS_SETTLE(x)	((x) << 8)
+#define DSIDPHYTIM1_TCLK_SETTLE(x)	((x) << 0)
+
+#define DSIDPHYTIM2			0x0c
+#define DSIDPHYTIM2_TCLK_TRAIL(x)	((x) << 24)
+#define DSIDPHYTIM2_TCLK_POST(x)	((x) << 16)
+#define DSIDPHYTIM2_TCLK_PRE(x)		((x) << 8)
+#define DSIDPHYTIM2_TCLK_ZERO(x)	((x) << 0)
+
+#define DSIDPHYTIM3			0x10
+#define DSIDPHYTIM3_TLPX(x)		((x) << 24)
+#define DSIDPHYTIM3_THS_EXIT(x)		((x) << 16)
+#define DSIDPHYTIM3_THS_TRAIL(x)	((x) << 8)
+#define DSIDPHYTIM3_THS_ZERO(x)		((x) << 0)
+
+/* --------------------------------------------------------*/
+/* Link Registers */
+#define LINK_REG_OFFSET			0x10000
+
+/* Link Status Register */
+#define LINKSR				0x10
+#define LINKSR_LPBUSY			BIT(13)
+#define LINKSR_HSBUSY			BIT(12)
+#define LINKSR_VICHRUN1			BIT(8)
+#define LINKSR_SQCHRUN1			BIT(4)
+#define LINKSR_SQCHRUN0			BIT(0)
+
+/* Tx Set Register */
+#define TXSETR				0x100
+#define TXSETR_NUMLANECAP		(0x3 << 16)
+#define TXSETR_DLEN			(1 << 9)
+#define TXSETR_CLEN			(1 << 8)
+#define TXSETR_NUMLANEUSE(x)		(((x) & 0x3) << 0)
+
+/* HS Clock Set Register */
+#define HSCLKSETR			0x104
+#define HSCLKSETR_HSCLKMODE_CONT	(1 << 1)
+#define HSCLKSETR_HSCLKMODE_NON_CONT	(0 << 1)
+#define HSCLKSETR_HSCLKRUN_HS		(1 << 0)
+#define HSCLKSETR_HSCLKRUN_LP		(0 << 0)
+
+/* Reset Control Register */
+#define RSTCR				0x110
+#define RSTCR_SWRST			BIT(0)
+#define RSTCR_FCETXSTP			BIT(16)
+
+/* Reset Status Register */
+#define RSTSR				0x114
+#define RSTSR_DL0DIR			(1 << 15)
+#define RSTSR_DLSTPST			(0xf << 8)
+#define RSTSR_SWRSTV1			(1 << 4)
+#define RSTSR_SWRSTIB			(1 << 3)
+#define RSTSR_SWRSTAPB			(1 << 2)
+#define RSTSR_SWRSTLP			(1 << 1)
+#define RSTSR_SWRSTHS			(1 << 0)
+
+/* Clock Lane Stop Time Set Register */
+#define CLSTPTSETR			0x314
+#define CLSTPTSETR_CLKKPT(x)		((x) << 24)
+#define CLSTPTSETR_CLKBFHT(x)		((x) << 16)
+#define CLSTPTSETR_CLKSTPT(x)		((x) << 2)
+
+/* LP Transition Time Set Register */
+#define LPTRNSTSETR			0x318
+#define LPTRNSTSETR_GOLPBKT(x)		((x) << 0)
+
+/* Physical Lane Status Register */
+#define PLSR				0x320
+#define PLSR_CLHS2LP			BIT(27)
+#define PLSR_CLLP2HS			BIT(26)
+
+/* Video-Input Channel 1 Set 0 Register */
+#define VICH1SET0R			0x400
+#define VICH1SET0R_VSEN			BIT(12)
+#define VICH1SET0R_HFPNOLP		BIT(10)
+#define VICH1SET0R_HBPNOLP		BIT(9)
+#define VICH1SET0R_HSANOLP		BIT(8)
+#define VICH1SET0R_VSTPAFT		BIT(1)
+#define VICH1SET0R_VSTART		BIT(0)
+
+/* Video-Input Channel 1 Set 1 Register */
+#define VICH1SET1R			0x404
+#define VICH1SET1R_DLY(x)		(((x) & 0xfff) << 2)
+
+/* Video-Input Channel 1 Status Register */
+#define VICH1SR				0x410
+#define VICH1SR_VIRDY			BIT(3)
+#define VICH1SR_RUNNING			BIT(2)
+#define VICH1SR_STOP			BIT(1)
+#define VICH1SR_START			BIT(0)
+
+/* Video-Input Channel 1 Pixel Packet Set Register */
+#define VICH1PPSETR			0x420
+#define VICH1PPSETR_DT_RGB18		(0x1e << 16)
+#define VICH1PPSETR_DT_RGB18_LS		(0x2e << 16)
+#define VICH1PPSETR_DT_RGB24		(0x3e << 16)
+#define VICH1PPSETR_TXESYNC_PULSE	(1 << 15)
+#define VICH1PPSETR_VC(x)		((x) << 22)
+
+/* Video-Input Channel 1 Vertical Size Set Register */
+#define VICH1VSSETR			0x428
+#define VICH1VSSETR_VACTIVE(x)		(((x) & 0x7fff) << 16)
+#define VICH1VSSETR_VSPOL_LOW		(1 << 15)
+#define VICH1VSSETR_VSPOL_HIGH		(0 << 15)
+#define VICH1VSSETR_VSA(x)		(((x) & 0xfff) << 0)
+
+/* Video-Input Channel 1 Vertical Porch Set Register */
+#define VICH1VPSETR			0x42c
+#define VICH1VPSETR_VFP(x)		(((x) & 0x1fff) << 16)
+#define VICH1VPSETR_VBP(x)		(((x) & 0x1fff) << 0)
+
+/* Video-Input Channel 1 Horizontal Size Set Register */
+#define VICH1HSSETR			0x430
+#define VICH1HSSETR_HACTIVE(x)		(((x) & 0x7fff) << 16)
+#define VICH1HSSETR_HSPOL_LOW		(1 << 15)
+#define VICH1HSSETR_HSPOL_HIGH		(0 << 15)
+#define VICH1HSSETR_HSA(x)		(((x) & 0xfff) << 0)
+
+/* Video-Input Channel 1 Horizontal Porch Set Register */
+#define VICH1HPSETR			0x434
+#define VICH1HPSETR_HFP(x)		(((x) & 0x1fff) << 16)
+#define VICH1HPSETR_HBP(x)		(((x) & 0x1fff) << 0)
+
+#endif /* __RZG2L_MIPI_DSI_REGS_H__ */

drivers/gpu/drm/xlnx/zynqmp_dp.c

@@ -1362,9 +1362,10 @@ static void zynqmp_dp_bridge_detach(struct drm_bridge *bridge)
 	zynqmp_dp_aux_cleanup(dp);
 }
 
-static int zynqmp_dp_bridge_mode_valid(struct drm_bridge *bridge,
-				       const struct drm_display_info *info,
-				       const struct drm_display_mode *mode)
+static enum drm_mode_status
+zynqmp_dp_bridge_mode_valid(struct drm_bridge *bridge,
+			    const struct drm_display_info *info,
+			    const struct drm_display_mode *mode)
 {
 	struct zynqmp_dp *dp = bridge_to_dp(bridge);
 	int rate;