drm/nouveau/disp/r535: initial support

Adds support for modesetting on RM.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-38-skeggsb@gmail.com

drivers/gpu/drm/nouveau/dispnv50/core.c

@@ -42,6 +42,7 @@ nv50_core_new(struct nouveau_drm *drm, struct nv50_core **pcore)
 		int version;
 		int (*new)(struct nouveau_drm *, s32, struct nv50_core **);
 	} cores[] = {
+		{ AD102_DISP_CORE_CHANNEL_DMA, 0, corec57d_new },
 		{ GA102_DISP_CORE_CHANNEL_DMA, 0, corec57d_new },
 		{ TU102_DISP_CORE_CHANNEL_DMA, 0, corec57d_new },
 		{ GV100_DISP_CORE_CHANNEL_DMA, 0, corec37d_new },

drivers/gpu/drm/nouveau/dispnv50/disp.c

@@ -1592,6 +1592,146 @@ nv50_sor_atomic_disable(struct drm_encoder *encoder, struct drm_atomic_state *st
 	nv_encoder->crtc = NULL;
 }
 
+// common/inc/displayport/displayport.h
+#define DP_CONFIG_WATERMARK_ADJUST                   2
+#define DP_CONFIG_WATERMARK_LIMIT                   20
+#define DP_CONFIG_INCREASED_WATERMARK_ADJUST         8
+#define DP_CONFIG_INCREASED_WATERMARK_LIMIT         22
+
+static bool
+nv50_sor_dp_watermark_sst(struct nouveau_encoder *outp,
+			  struct nv50_head *head, struct nv50_head_atom *asyh)
+{
+	bool enhancedFraming = outp->dp.dpcd[DP_MAX_LANE_COUNT] & DP_ENHANCED_FRAME_CAP;
+	u64 minRate = outp->dp.link_bw * 1000;
+	unsigned tuSize = 64;
+	unsigned waterMark;
+	unsigned hBlankSym;
+	unsigned vBlankSym;
+	unsigned watermarkAdjust = DP_CONFIG_WATERMARK_ADJUST;
+	unsigned watermarkMinimum = DP_CONFIG_WATERMARK_LIMIT;
+	// depth is multiplied by 16 in case of DSC enable
+	s32 hblank_symbols;
+	// number of link clocks per line.
+	int vblank_symbols	  = 0;
+	bool bEnableDsc = false;
+	unsigned surfaceWidth = asyh->mode.h.blanks - asyh->mode.h.blanke;
+	unsigned rasterWidth = asyh->mode.h.active;
+	unsigned depth = asyh->or.bpc * 3;
+	unsigned DSC_FACTOR = bEnableDsc ? 16 : 1;
+	u64 pixelClockHz = asyh->mode.clock * 1000;
+	u64 PrecisionFactor = 100000, ratioF, watermarkF;
+	u32 numLanesPerLink = outp->dp.link_nr;
+	u32 numSymbolsPerLine;
+	u32 BlankingBits;
+	u32 surfaceWidthPerLink;
+	u32 PixelSteeringBits;
+	u64 NumBlankingLinkClocks;
+	u32 MinHBlank;
+
+	if (outp->outp.info.dp.increased_wm) {
+		watermarkAdjust = DP_CONFIG_INCREASED_WATERMARK_ADJUST;
+		watermarkMinimum = DP_CONFIG_INCREASED_WATERMARK_LIMIT;
+	}
+
+	if ((pixelClockHz * depth) >= (8 * minRate * outp->dp.link_nr * DSC_FACTOR))
+	{
+		return false;
+	}
+
+	//
+	// For DSC, if (pclk * bpp) < (1/64 * orclk * 8 * lanes) then some TU may end up with
+	// 0 active symbols. This may cause HW hang. Bug 200379426
+	//
+	if ((bEnableDsc) &&
+		((pixelClockHz * depth) < ((8 * minRate * outp->dp.link_nr * DSC_FACTOR) / 64)))
+	{
+		return false;
+	}
+
+	//
+	//  Perform the SST calculation.
+	//	For auto mode the watermark calculation does not need to track accumulated error the
+	//	formulas for manual mode will not work.  So below calculation was extracted from the DTB.
+	//
+	ratioF = ((u64)pixelClockHz * depth * PrecisionFactor) / DSC_FACTOR;
+
+	ratioF /= 8 * (u64) minRate * outp->dp.link_nr;
+
+	if (PrecisionFactor < ratioF) // Assert if we will end up with a negative number in below
+		return false;
+
+	watermarkF = ratioF * tuSize * (PrecisionFactor - ratioF)  / PrecisionFactor;
+	waterMark = (unsigned)(watermarkAdjust + ((2 * (depth * PrecisionFactor / (8 * numLanesPerLink * DSC_FACTOR)) + watermarkF) / PrecisionFactor));
+
+	//
+	//  Bounds check the watermark
+	//
+	numSymbolsPerLine = (surfaceWidth * depth) / (8 * outp->dp.link_nr * DSC_FACTOR);
+
+	if (WARN_ON(waterMark > 39 || waterMark > numSymbolsPerLine))
+		return false;
+
+	//
+	//  Clamp the low side
+	//
+	if (waterMark < watermarkMinimum)
+		waterMark = watermarkMinimum;
+
+	//Bits to send BS/BE/Extra symbols due to pixel padding
+	//Also accounts for enhanced framing.
+	BlankingBits = 3*8*numLanesPerLink + (enhancedFraming ? 3*8*numLanesPerLink : 0);
+
+	//VBID/MVID/MAUD sent 4 times all the time
+	BlankingBits += 3*8*4;
+
+	surfaceWidthPerLink = surfaceWidth;
+
+	//Extra bits sent due to pixel steering
+	PixelSteeringBits = (surfaceWidthPerLink % numLanesPerLink) ? (((numLanesPerLink - surfaceWidthPerLink % numLanesPerLink) * depth) / DSC_FACTOR) : 0;
+
+	BlankingBits += PixelSteeringBits;
+	NumBlankingLinkClocks = (u64)BlankingBits * PrecisionFactor / (8 * numLanesPerLink);
+	MinHBlank = (u32)(NumBlankingLinkClocks * pixelClockHz/ minRate / PrecisionFactor);
+	MinHBlank += 12;
+
+	if (WARN_ON(MinHBlank > rasterWidth - surfaceWidth))
+		return false;
+
+	// Bug 702290 - Active Width should be greater than 60
+	if (WARN_ON(surfaceWidth <= 60))
+		return false;
+
+
+	hblank_symbols = (s32)(((u64)(rasterWidth - surfaceWidth - MinHBlank) * minRate) / pixelClockHz);
+
+	//reduce HBlank Symbols to account for secondary data packet
+	hblank_symbols -= 1; //Stuffer latency to send BS
+	hblank_symbols -= 3; //SPKT latency to send data to stuffer
+
+	hblank_symbols -= numLanesPerLink == 1 ? 9  : numLanesPerLink == 2 ? 6 : 3;
+
+	hBlankSym = (hblank_symbols < 0) ? 0 : hblank_symbols;
+
+	// Refer to dev_disp.ref for more information.
+	// # symbols/vblank = ((SetRasterBlankEnd.X + SetRasterSize.Width - SetRasterBlankStart.X - 40) * link_clk / pclk) - Y - 1;
+	// where Y = (# lanes == 4) 12 : (# lanes == 2) ? 21 : 39
+	if (surfaceWidth < 40)
+	{
+		vblank_symbols = 0;
+	}
+	else
+	{
+		vblank_symbols = (s32)(((u64)(surfaceWidth - 40) * minRate) /  pixelClockHz) - 1;
+
+		vblank_symbols -= numLanesPerLink == 1 ? 39  : numLanesPerLink == 2 ? 21 : 12;
+	}
+
+	vBlankSym = (vblank_symbols < 0) ? 0 : vblank_symbols;
+
+	return nvif_outp_dp_sst(&outp->outp, head->base.index, waterMark, hBlankSym, vBlankSym);
+}
+
 static void
 nv50_sor_atomic_enable(struct drm_encoder *encoder, struct drm_atomic_state *state)
 {
@@ -1679,6 +1819,7 @@ nv50_sor_atomic_enable(struct drm_encoder *encoder, struct drm_atomic_state *sta
 		break;
 	case DCB_OUTPUT_DP:
 		nouveau_dp_train(nv_encoder, false, mode->clock, asyh->or.bpc);
+		nv50_sor_dp_watermark_sst(nv_encoder, head, asyh);
 		depth = nv50_dp_bpc_to_depth(asyh->or.bpc);
 
 		if (nv_encoder->outp.or.link & 1)

drivers/gpu/drm/nouveau/include/nvif/class.h

@@ -104,6 +104,7 @@
 #define GV100_DISP                                    /* if0010.h */ 0x0000c370
 #define TU102_DISP                                    /* if0010.h */ 0x0000c570
 #define GA102_DISP                                    /* if0010.h */ 0x0000c670
+#define AD102_DISP                                    /* if0010.h */ 0x0000c770
 
 #define GV100_DISP_CAPS                                              0x0000c373
 
@@ -154,6 +155,7 @@
 #define GV100_DISP_CORE_CHANNEL_DMA                   /* if0014.h */ 0x0000c37d
 #define TU102_DISP_CORE_CHANNEL_DMA                   /* if0014.h */ 0x0000c57d
 #define GA102_DISP_CORE_CHANNEL_DMA                   /* if0014.h */ 0x0000c67d
+#define AD102_DISP_CORE_CHANNEL_DMA                   /* if0014.h */ 0x0000c77d
 
 #define NV50_DISP_OVERLAY_CHANNEL_DMA                 /* if0014.h */ 0x0000507e
 #define G82_DISP_OVERLAY_CHANNEL_DMA                  /* if0014.h */ 0x0000827e

drivers/gpu/drm/nouveau/include/nvkm/engine/disp.h

@@ -5,11 +5,29 @@
 #include <core/engine.h>
 #include <core/object.h>
 #include <core/event.h>
+#include <subdev/gsp.h>
 
 struct nvkm_disp {
 	const struct nvkm_disp_func *func;
 	struct nvkm_engine engine;
 
+	struct {
+		struct nvkm_gsp_client client;
+		struct nvkm_gsp_device device;
+
+		struct nvkm_gsp_object objcom;
+		struct nvkm_gsp_object object;
+
+#define NVKM_DPYID_PLUG   BIT(0)
+#define NVKM_DPYID_UNPLUG BIT(1)
+#define NVKM_DPYID_IRQ    BIT(2)
+		struct nvkm_event event;
+		struct nvkm_gsp_event hpd;
+		struct nvkm_gsp_event irq;
+
+		u32 assigned_sors;
+	} rm;
+
 	struct list_head heads;
 	struct list_head iors;
 	struct list_head outps;
@@ -69,4 +87,5 @@ int gp102_disp_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct
 int gv100_disp_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_disp **);
 int tu102_disp_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_disp **);
 int ga102_disp_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_disp **);
+int ad102_disp_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_disp **);
 #endif

drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h

@@ -23,6 +23,9 @@ void nvkm_gsp_sg_free(struct nvkm_device *, struct sg_table *);
 
 typedef int (*nvkm_gsp_msg_ntfy_func)(void *priv, u32 fn, void *repv, u32 repc);
 
+struct nvkm_gsp_event;
+typedef void (*nvkm_gsp_event_func)(struct nvkm_gsp_event *, void *repv, u32 repc);
+
 struct nvkm_gsp {
 	const struct nvkm_gsp_func *func;
 	struct nvkm_subdev subdev;
@@ -150,6 +153,8 @@ struct nvkm_gsp {
 			} object;
 
 			struct nvkm_gsp *gsp;
+
+			struct list_head events;
 		} client;
 
 		struct nvkm_gsp_device {
@@ -191,6 +196,10 @@ struct nvkm_gsp {
 
 		int (*device_ctor)(struct nvkm_gsp_client *, struct nvkm_gsp_device *);
 		void (*device_dtor)(struct nvkm_gsp_device *);
+
+		int (*event_ctor)(struct nvkm_gsp_device *, u32 handle, u32 id,
+				  nvkm_gsp_event_func, struct nvkm_gsp_event *);
+		void (*event_dtor)(struct nvkm_gsp_event *);
 	} *rm;
 
 	struct {
@@ -399,6 +408,32 @@ nvkm_gsp_client_device_ctor(struct nvkm_gsp *gsp,
 	return ret;
 }
 
+struct nvkm_gsp_event {
+	struct nvkm_gsp_device *device;
+	u32 id;
+	nvkm_gsp_event_func func;
+
+	struct nvkm_gsp_object object;
+
+	struct list_head head;
+};
+
+static inline int
+nvkm_gsp_device_event_ctor(struct nvkm_gsp_device *device, u32 handle, u32 id,
+			   nvkm_gsp_event_func func, struct nvkm_gsp_event *event)
+{
+	return device->object.client->gsp->rm->event_ctor(device, handle, id, func, event);
+}
+
+static inline void
+nvkm_gsp_event_dtor(struct nvkm_gsp_event *event)
+{
+	struct nvkm_gsp_device *device = event->device;
+
+	if (device)
+		device->object.client->gsp->rm->event_dtor(event);
+}
+
 int nvkm_gsp_intr_stall(struct nvkm_gsp *, enum nvkm_subdev_type, int);
 int nvkm_gsp_intr_nonstall(struct nvkm_gsp *, enum nvkm_subdev_type, int);
 

drivers/gpu/drm/nouveau/include/nvrm/535.54.03/common/sdk/nvidia/inc/class/cl0005.h

+#ifndef __src_common_sdk_nvidia_inc_class_cl0005_h__
+#define __src_common_sdk_nvidia_inc_class_cl0005_h__
+
+/* Excerpt of RM headers from https://github.com/NVIDIA/open-gpu-kernel-modules/tree/535.54.03 */
+
+/*
+ * SPDX-FileCopyrightText: Copyright (c) 2001-2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+typedef struct NV0005_ALLOC_PARAMETERS {
+    NvHandle hParentClient;
+    NvHandle hSrcResource;
+
+    NvV32    hClass;
+    NvV32    notifyIndex;
+    NV_DECLARE_ALIGNED(NvP64 data, 8);
+} NV0005_ALLOC_PARAMETERS;
+
+#endif

drivers/gpu/drm/nouveau/include/nvrm/535.54.03/common/sdk/nvidia/inc/class/cl2080_notification.h

+#ifndef __src_common_sdk_nvidia_inc_class_cl2080_notification_h__
+#define __src_common_sdk_nvidia_inc_class_cl2080_notification_h__
+
+/* Excerpt of RM headers from https://github.com/NVIDIA/open-gpu-kernel-modules/tree/535.54.03 */
+
+/*
+ * SPDX-FileCopyrightText: Copyright (c) 2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#define NV2080_NOTIFIERS_HOTPLUG                                   (1)
+
+#define NV2080_NOTIFIERS_DP_IRQ                                    (7)
+
+typedef struct {
+    NvU32 plugDisplayMask;
+    NvU32 unplugDisplayMask;
+} Nv2080HotplugNotification;
+
+typedef struct Nv2080DpIrqNotificationRec {
+    NvU32 displayId;
+} Nv2080DpIrqNotification;
+
+#endif

drivers/gpu/drm/nouveau/include/nvrm/535.54.03/common/sdk/nvidia/inc/ctrl/ctrl0073/ctrl0073common.h

+#ifndef __src_common_sdk_nvidia_inc_ctrl_ctrl0073_ctrl0073common_h__
+#define __src_common_sdk_nvidia_inc_ctrl_ctrl0073_ctrl0073common_h__
+
+/* Excerpt of RM headers from https://github.com/NVIDIA/open-gpu-kernel-modules/tree/535.54.03 */
+
+/*
+ * SPDX-FileCopyrightText: Copyright (c) 2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+typedef struct NV0073_CTRL_CMD_DSC_CAP_PARAMS {
+    NvBool bDscSupported;
+    NvU32  encoderColorFormatMask;
+    NvU32  lineBufferSizeKB;
+    NvU32  rateBufferSizeKB;
+    NvU32  bitsPerPixelPrecision;
+    NvU32  maxNumHztSlices;
+    NvU32  lineBufferBitDepth;
+} NV0073_CTRL_CMD_DSC_CAP_PARAMS;
+
+#endif

drivers/gpu/drm/nouveau/include/nvrm/535.54.03/common/sdk/nvidia/inc/ctrl/ctrl0073/ctrl0073system.h

@@ -26,6 +26,40 @@
  * DEALINGS IN THE SOFTWARE.
  */
 
+#define NV0073_CTRL_CMD_SYSTEM_GET_NUM_HEADS (0x730102U) /* finn: Evaluated from "(FINN_NV04_DISPLAY_COMMON_SYSTEM_INTERFACE_ID << 8) | NV0073_CTRL_SYSTEM_GET_NUM_HEADS_PARAMS_MESSAGE_ID" */
+
+typedef struct NV0073_CTRL_SYSTEM_GET_NUM_HEADS_PARAMS {
+    NvU32 subDeviceInstance;
+    NvU32 flags;
+    NvU32 numHeads;
+} NV0073_CTRL_SYSTEM_GET_NUM_HEADS_PARAMS;
+
+#define NV0073_CTRL_CMD_SYSTEM_GET_SUPPORTED (0x730120U) /* finn: Evaluated from "(FINN_NV04_DISPLAY_COMMON_SYSTEM_INTERFACE_ID << 8) | NV0073_CTRL_SYSTEM_GET_SUPPORTED_PARAMS_MESSAGE_ID" */
+
+typedef struct NV0073_CTRL_SYSTEM_GET_SUPPORTED_PARAMS {
+    NvU32 subDeviceInstance;
+    NvU32 displayMask;
+    NvU32 displayMaskDDC;
+} NV0073_CTRL_SYSTEM_GET_SUPPORTED_PARAMS;
+
+#define NV0073_CTRL_CMD_SYSTEM_GET_CONNECT_STATE (0x730122U) /* finn: Evaluated from "(FINN_NV04_DISPLAY_COMMON_SYSTEM_INTERFACE_ID << 8) | NV0073_CTRL_SYSTEM_GET_CONNECT_STATE_PARAMS_MESSAGE_ID" */
+
+typedef struct NV0073_CTRL_SYSTEM_GET_CONNECT_STATE_PARAMS {
+    NvU32 subDeviceInstance;
+    NvU32 flags;
+    NvU32 displayMask;
+    NvU32 retryTimeMs;
+} NV0073_CTRL_SYSTEM_GET_CONNECT_STATE_PARAMS;
+
+#define NV0073_CTRL_CMD_SYSTEM_GET_ACTIVE                (0x730126U) /* finn: Evaluated from "(FINN_NV04_DISPLAY_COMMON_SYSTEM_INTERFACE_ID << 8) | NV0073_CTRL_SYSTEM_GET_ACTIVE_PARAMS_MESSAGE_ID" */
+
+typedef struct NV0073_CTRL_SYSTEM_GET_ACTIVE_PARAMS {
+    NvU32 subDeviceInstance;
+    NvU32 head;
+    NvU32 flags;
+    NvU32 displayId;
+} NV0073_CTRL_SYSTEM_GET_ACTIVE_PARAMS;
+
 #define NV0073_CTRL_SYSTEM_ACPI_ID_MAP_MAX_DISPLAYS             (16U)
 
 #endif

drivers/gpu/drm/nouveau/include/nvrm/535.54.03/common/sdk/nvidia/inc/ctrl/ctrl2080/ctrl2080event.h

+#ifndef __src_common_sdk_nvidia_inc_ctrl_ctrl2080_ctrl2080event_h__
+#define __src_common_sdk_nvidia_inc_ctrl_ctrl2080_ctrl2080event_h__
+
+/* Excerpt of RM headers from https://github.com/NVIDIA/open-gpu-kernel-modules/tree/535.54.03 */
+
+/*
+ * SPDX-FileCopyrightText: Copyright (c) 2006-2021 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#define NV2080_CTRL_CMD_EVENT_SET_NOTIFICATION (0x20800301) /* finn: Evaluated from "(FINN_NV20_SUBDEVICE_0_EVENT_INTERFACE_ID << 8) | NV2080_CTRL_EVENT_SET_NOTIFICATION_PARAMS_MESSAGE_ID" */
+
+typedef struct NV2080_CTRL_EVENT_SET_NOTIFICATION_PARAMS {
+    NvU32  event;
+    NvU32  action;
+    NvBool bNotifyState;
+    NvU32  info32;
+    NvU16  info16;
+} NV2080_CTRL_EVENT_SET_NOTIFICATION_PARAMS;
+
+#define NV2080_CTRL_EVENT_SET_NOTIFICATION_ACTION_REPEAT  (0x00000002)
+
+#endif

drivers/gpu/drm/nouveau/include/nvrm/535.54.03/common/sdk/nvidia/inc/ctrl/ctrl2080/ctrl2080internal.h

@@ -26,6 +26,39 @@
  * DEALINGS IN THE SOFTWARE.
  */
 
+#define NV2080_CTRL_CMD_INTERNAL_DISPLAY_GET_STATIC_INFO (0x20800a01) /* finn: Evaluated from "(FINN_NV20_SUBDEVICE_0_INTERNAL_INTERFACE_ID << 8) | NV2080_CTRL_INTERNAL_DISPLAY_GET_STATIC_INFO_PARAMS_MESSAGE_ID" */
+
+typedef struct NV2080_CTRL_INTERNAL_DISPLAY_GET_STATIC_INFO_PARAMS {
+    NvU32  feHwSysCap;
+    NvU32  windowPresentMask;
+    NvBool bFbRemapperEnabled;
+    NvU32  numHeads;
+    NvBool bPrimaryVga;
+    NvU32  i2cPort;
+    NvU32  internalDispActiveMask;
+} NV2080_CTRL_INTERNAL_DISPLAY_GET_STATIC_INFO_PARAMS;
+
+#define NV2080_CTRL_CMD_INTERNAL_DISPLAY_WRITE_INST_MEM (0x20800a49) /* finn: Evaluated from "(FINN_NV20_SUBDEVICE_0_INTERNAL_INTERFACE_ID << 8) | NV2080_CTRL_INTERNAL_DISPLAY_WRITE_INST_MEM_PARAMS_MESSAGE_ID" */
+
+typedef struct NV2080_CTRL_INTERNAL_DISPLAY_WRITE_INST_MEM_PARAMS {
+    NV_DECLARE_ALIGNED(NvU64 instMemPhysAddr, 8);
+    NV_DECLARE_ALIGNED(NvU64 instMemSize, 8);
+    NvU32 instMemAddrSpace;
+    NvU32 instMemCpuCacheAttr;
+} NV2080_CTRL_INTERNAL_DISPLAY_WRITE_INST_MEM_PARAMS;
+
+#define NV2080_CTRL_CMD_INTERNAL_DISPLAY_CHANNEL_PUSHBUFFER (0x20800a58) /* finn: Evaluated from "(FINN_NV20_SUBDEVICE_0_INTERNAL_INTERFACE_ID << 8) | NV2080_CTRL_INTERNAL_DISPLAY_CHANNEL_PUSHBUFFER_PARAMS_MESSAGE_ID" */
+
+typedef struct NV2080_CTRL_INTERNAL_DISPLAY_CHANNEL_PUSHBUFFER_PARAMS {
+    NvU32  addressSpace;
+    NV_DECLARE_ALIGNED(NvU64 physicalAddr, 8);
+    NV_DECLARE_ALIGNED(NvU64 limit, 8);
+    NvU32  cacheSnoop;
+    NvU32  hclass;
+    NvU32  channelInstance;
+    NvBool valid;
+} NV2080_CTRL_INTERNAL_DISPLAY_CHANNEL_PUSHBUFFER_PARAMS;
+
 #define NV2080_CTRL_CMD_INTERNAL_INTR_GET_KERNEL_TABLE (0x20800a5c) /* finn: Evaluated from "(FINN_NV20_SUBDEVICE_0_INTERNAL_INTERFACE_ID << 8) | NV2080_CTRL_INTERNAL_INTR_GET_KERNEL_TABLE_PARAMS_MESSAGE_ID" */
 
 #define NV2080_CTRL_INTERNAL_INTR_MAX_TABLE_SIZE       128
@@ -81,4 +114,14 @@ typedef struct NV2080_CTRL_INTERNAL_FBSR_SEND_REGION_INFO_PARAMS {
     NV_DECLARE_ALIGNED(NvU64 size, 8);
 } NV2080_CTRL_INTERNAL_FBSR_SEND_REGION_INFO_PARAMS;
 
+#define NV2080_CTRL_CMD_INTERNAL_INIT_BRIGHTC_STATE_LOAD (0x20800ac6) /* finn: Evaluated from "(FINN_NV20_SUBDEVICE_0_INTERNAL_INTERFACE_ID << 8) | NV2080_CTRL_INTERNAL_INIT_BRIGHTC_STATE_LOAD_PARAMS_MESSAGE_ID" */
+
+#define NV2080_CTRL_ACPI_DSM_READ_SIZE                   (0x1000) /* finn: Evaluated from "(4 * 1024)" */
+
+typedef struct NV2080_CTRL_INTERNAL_INIT_BRIGHTC_STATE_LOAD_PARAMS {
+    NvU32 status;
+    NvU16 backLightDataSize;
+    NvU8  backLightData[NV2080_CTRL_ACPI_DSM_READ_SIZE];
+} NV2080_CTRL_INTERNAL_INIT_BRIGHTC_STATE_LOAD_PARAMS;
+
 #endif

drivers/gpu/drm/nouveau/include/nvrm/535.54.03/common/sdk/nvidia/inc/nvos.h

@@ -78,6 +78,33 @@
 #define NVOS02_FLAGS_MAPPING_NO_MAP                                (0x00000001)
 #define NVOS02_FLAGS_MAPPING_NEVER_MAP                             (0x00000002)
 
+#define NV01_EVENT_CLIENT_RM                                       (0x04000000)
+
+typedef struct
+{
+    NvV32    channelInstance;            // One of the n channel instances of a given channel type.
+                                         // Note that core channel has only one instance
+                                         // while all others have two (one per head).
+    NvHandle hObjectBuffer;              // ctx dma handle for DMA push buffer
+    NvHandle hObjectNotify;              // ctx dma handle for an area (of type NvNotification defined in sdk/nvidia/inc/nvtypes.h) where RM can write errors/notifications
+    NvU32    offset;                     // Initial offset for put/get, usually zero.
+    NvP64    pControl NV_ALIGN_BYTES(8); // pControl gives virt addr of UDISP GET/PUT regs
+
+    NvU32    flags;
+#define NV50VAIO_CHANNELDMA_ALLOCATION_FLAGS_CONNECT_PB_AT_GRAB                1:1
+#define NV50VAIO_CHANNELDMA_ALLOCATION_FLAGS_CONNECT_PB_AT_GRAB_YES            0x00000000
+#define NV50VAIO_CHANNELDMA_ALLOCATION_FLAGS_CONNECT_PB_AT_GRAB_NO             0x00000001
+
+} NV50VAIO_CHANNELDMA_ALLOCATION_PARAMETERS;
+
+typedef struct
+{
+    NvV32    channelInstance;            // One of the n channel instances of a given channel type.
+                                         // All PIO channels have two instances (one per head).
+    NvHandle hObjectNotify;              // ctx dma handle for an area (of type NvNotification defined in sdk/nvidia/inc/nvtypes.h) where RM can write errors.
+    NvP64    pControl NV_ALIGN_BYTES(8); // pControl gives virt addr of control region for PIO channel
+} NV50VAIO_CHANNELPIO_ALLOCATION_PARAMETERS;
+
 typedef struct
 {
     NvU32   index;

drivers/gpu/drm/nouveau/include/nvrm/535.54.03/nvidia/generated/g_allclasses.h

+#ifndef __src_nvidia_generated_g_allclasses_h__
+#define __src_nvidia_generated_g_allclasses_h__
+
+/* Excerpt of RM headers from https://github.com/NVIDIA/open-gpu-kernel-modules/tree/535.54.03 */
+
+/*
+ * SPDX-FileCopyrightText: Copyright (c) 2021-2021 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#define NV01_EVENT_KERNEL_CALLBACK_EX            (0x0000007e)
+
+#define NV04_DISPLAY_COMMON                      (0x00000073)
+
+#endif

drivers/gpu/drm/nouveau/include/nvrm/535.54.03/nvidia/generated/g_mem_desc_nvoc.h

+#ifndef __src_nvidia_generated_g_mem_desc_nvoc_h__
+#define __src_nvidia_generated_g_mem_desc_nvoc_h__
+
+/* Excerpt of RM headers from https://github.com/NVIDIA/open-gpu-kernel-modules/tree/535.54.03 */
+
+/*
+ * SPDX-FileCopyrightText: Copyright (c) 1993-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#define ADDR_SYSMEM     1         // System memory (PCI)
+#define ADDR_FBMEM      2         // Frame buffer memory space
+
+#endif

drivers/gpu/drm/nouveau/include/nvrm/535.54.03/nvidia/generated/g_rpc-structures.h

@@ -91,6 +91,19 @@ typedef struct rpc_run_cpu_sequencer_v17_00
     NvU32      commandBuffer[];
 } rpc_run_cpu_sequencer_v17_00;
 
+typedef struct rpc_post_event_v17_00
+{
+    NvHandle   hClient;
+    NvHandle   hEvent;
+    NvU32      notifyIndex;
+    NvU32      data;
+    NvU16      info16;
+    NvU32      status;
+    NvU32      eventDataSize;
+    NvBool     bNotifyList;
+    NvU8       eventData[];
+} rpc_post_event_v17_00;
+
 typedef struct rpc_os_error_log_v17_00
 {
     NvU32      exceptType;

drivers/gpu/drm/nouveau/include/nvrm/535.54.03/nvidia/inc/kernel/gpu/intr/engine_idx.h

@@ -26,6 +26,8 @@
  * DEALINGS IN THE SOFTWARE.
  */
 
+#define MC_ENGINE_IDX_DISP                          2
+
 #define MC_ENGINE_IDX_GSP                           49
 
 #endif

drivers/gpu/drm/nouveau/include/nvrm/535.54.03/nvidia/inc/kernel/os/nv_memory_type.h

+#ifndef __src_nvidia_inc_kernel_os_nv_memory_type_h__
+#define __src_nvidia_inc_kernel_os_nv_memory_type_h__
+
+/* Excerpt of RM headers from https://github.com/NVIDIA/open-gpu-kernel-modules/tree/535.54.03 */
+
+/*
+ * SPDX-FileCopyrightText: Copyright (c) 2020 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#define NV_MEMORY_WRITECOMBINED      2
+
+#endif

drivers/gpu/drm/nouveau/nvif/disp.c

@@ -36,6 +36,7 @@ int
 nvif_disp_ctor(struct nvif_device *device, const char *name, s32 oclass, struct nvif_disp *disp)
 {
 	static const struct nvif_mclass disps[] = {
+		{ AD102_DISP, 0 },
 		{ GA102_DISP, 0 },
 		{ TU102_DISP, 0 },
 		{ GV100_DISP, 0 },

drivers/gpu/drm/nouveau/nvkm/engine/device/base.c

@@ -2758,6 +2758,8 @@ nv192_chipset = {
 	.pci      = { 0x00000001, gp100_pci_new },
 	.timer    = { 0x00000001, gk20a_timer_new },
 	.vfn      = { 0x00000001, ga100_vfn_new },
+	.disp     = { 0x00000001, ad102_disp_new },
+	.dma      = { 0x00000001, gv100_dma_new },
 	.sec2     = { 0x00000001, ga102_sec2_new },
 };
 
@@ -2775,6 +2777,8 @@ nv193_chipset = {
 	.pci      = { 0x00000001, gp100_pci_new },
 	.timer    = { 0x00000001, gk20a_timer_new },
 	.vfn      = { 0x00000001, ga100_vfn_new },
+	.disp     = { 0x00000001, ad102_disp_new },
+	.dma      = { 0x00000001, gv100_dma_new },
 	.sec2     = { 0x00000001, ga102_sec2_new },
 };
 
@@ -2792,6 +2796,8 @@ nv194_chipset = {
 	.pci      = { 0x00000001, gp100_pci_new },
 	.timer    = { 0x00000001, gk20a_timer_new },
 	.vfn      = { 0x00000001, ga100_vfn_new },
+	.disp     = { 0x00000001, ad102_disp_new },
+	.dma      = { 0x00000001, gv100_dma_new },
 	.sec2     = { 0x00000001, ga102_sec2_new },
 };
 
@@ -2809,6 +2815,8 @@ nv196_chipset = {
 	.pci      = { 0x00000001, gp100_pci_new },
 	.timer    = { 0x00000001, gk20a_timer_new },
 	.vfn      = { 0x00000001, ga100_vfn_new },
+	.disp     = { 0x00000001, ad102_disp_new },
+	.dma      = { 0x00000001, gv100_dma_new },
 	.sec2     = { 0x00000001, ga102_sec2_new },
 };
 
@@ -2826,6 +2834,8 @@ nv197_chipset = {
 	.pci      = { 0x00000001, gp100_pci_new },
 	.timer    = { 0x00000001, gk20a_timer_new },
 	.vfn      = { 0x00000001, ga100_vfn_new },
+	.disp     = { 0x00000001, ad102_disp_new },
+	.dma      = { 0x00000001, gv100_dma_new },
 	.sec2     = { 0x00000001, ga102_sec2_new },
 };
 

drivers/gpu/drm/nouveau/nvkm/engine/disp/Kbuild

@@ -27,6 +27,9 @@ nvkm-y += nvkm/engine/disp/gp102.o
 nvkm-y += nvkm/engine/disp/gv100.o
 nvkm-y += nvkm/engine/disp/tu102.o
 nvkm-y += nvkm/engine/disp/ga102.o
+nvkm-y += nvkm/engine/disp/ad102.o
+
+nvkm-y += nvkm/engine/disp/r535.o
 
 nvkm-y += nvkm/engine/disp/udisp.o
 nvkm-y += nvkm/engine/disp/uconn.o

drivers/gpu/drm/nouveau/nvkm/engine/disp/ad102.c

+/*
+ * Copyright 2023 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "priv.h"
+#include "chan.h"
+
+#include <subdev/gsp.h>
+
+#include <nvif/class.h>
+
+static const struct nvkm_disp_func
+ad102_disp = {
+	.uevent = &gv100_disp_chan_uevent,
+	.ramht_size = 0x2000,
+	.root = {  0, 0,AD102_DISP },
+	.user = {
+		{{-1,-1,GV100_DISP_CAPS                  }, gv100_disp_caps_new },
+		{{ 0, 0,GA102_DISP_CURSOR                }, nvkm_disp_chan_new, &gv100_disp_curs },
+		{{ 0, 0,GA102_DISP_WINDOW_IMM_CHANNEL_DMA}, nvkm_disp_wndw_new, &gv100_disp_wimm },
+		{{ 0, 0,AD102_DISP_CORE_CHANNEL_DMA      }, nvkm_disp_core_new, &gv100_disp_core },
+		{{ 0, 0,GA102_DISP_WINDOW_CHANNEL_DMA    }, nvkm_disp_wndw_new, &gv100_disp_wndw },
+		{}
+	},
+};
+
+int
+ad102_disp_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
+	       struct nvkm_disp **pdisp)
+{
+	if (nvkm_gsp_rm(device->gsp))
+		return r535_disp_new(&ad102_disp, device, type, inst, pdisp);
+
+	return -ENODEV;
+}

drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c

@@ -137,7 +137,8 @@ nvkm_disp_init(struct nvkm_engine *engine)
 	 * each output resource to 'fully enabled'.
 	 */
 	list_for_each_entry(ior, &disp->iors, head) {
-		ior->func->power(ior, true, true, true, true, true);
+		if (ior->func->power)
+			ior->func->power(ior, true, true, true, true, true);
 	}
 
 	return 0;

drivers/gpu/drm/nouveau/nvkm/engine/disp/chan.h

@@ -22,6 +22,10 @@ struct nvkm_disp_chan {
 	u64 push;
 
 	u32 suspend_put;
+
+	struct {
+		struct nvkm_gsp_object object;
+	} rm;
 };
 
 int nvkm_disp_core_new(const struct nvkm_oclass *, void *, u32, struct nvkm_object **);

drivers/gpu/drm/nouveau/nvkm/engine/disp/ga102.c

@@ -149,7 +149,7 @@ ga102_disp_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 	       struct nvkm_disp **pdisp)
 {
 	if (nvkm_gsp_rm(device->gsp))
-		return -ENODEV;
+		return r535_disp_new(&ga102_disp, device, type, inst, pdisp);
 
 	return nvkm_disp_new_(&ga102_disp, device, type, inst, pdisp);
 }

drivers/gpu/drm/nouveau/nvkm/engine/disp/gv100.c

@@ -96,7 +96,7 @@ gv100_sor_dp = {
 	.watermark = gv100_sor_dp_watermark,
 };
 
-static void
+void
 gv100_sor_hdmi_infoframe_vsi(struct nvkm_ior *ior, int head, void *data, u32 size)
 {
 	struct nvkm_device *device = ior->disp->engine.subdev.device;
@@ -120,7 +120,7 @@ gv100_sor_hdmi_infoframe_vsi(struct nvkm_ior *ior, int head, void *data, u32 siz
 	nvkm_mask(device, 0x6f0100 + hoff, 0x00000001, 0x00000001);
 }
 
-static void
+void
 gv100_sor_hdmi_infoframe_avi(struct nvkm_ior *ior, int head, void *data, u32 size)
 {
 	struct nvkm_device *device = ior->disp->engine.subdev.device;

drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h

@@ -187,6 +187,8 @@ int gp100_sor_new(struct nvkm_disp *, int);
 int gv100_sor_cnt(struct nvkm_disp *, unsigned long *);
 void gv100_sor_state(struct nvkm_ior *, struct nvkm_ior_state *);
 extern const struct nvkm_ior_func_hdmi gv100_sor_hdmi;
+void gv100_sor_hdmi_infoframe_avi(struct nvkm_ior *, int, void *, u32);
+void gv100_sor_hdmi_infoframe_vsi(struct nvkm_ior *, int, void *, u32);
 void gv100_sor_dp_audio(struct nvkm_ior *, int, bool);
 void gv100_sor_dp_audio_sym(struct nvkm_ior *, int, u16, u32);
 void gv100_sor_dp_watermark(struct nvkm_ior *, int, u8);

drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.c

@@ -386,7 +386,8 @@ nvkm_outp_new_(const struct nvkm_outp_func *func, struct nvkm_disp *disp,
 	outp->disp = disp;
 	outp->index = index;
 	outp->info = *dcbE;
-	outp->i2c = nvkm_i2c_bus_find(i2c, dcbE->i2c_index);
+	if (!disp->rm.client.gsp)
+		outp->i2c = nvkm_i2c_bus_find(i2c, dcbE->i2c_index);
 
 	OUTP_DBG(outp, "type %02x loc %d or %d link %d con %x "
 		       "edid %x bus %d head %x",

drivers/gpu/drm/nouveau/nvkm/engine/disp/priv.h

@@ -8,6 +8,9 @@ struct nvkm_head;
 struct nvkm_outp;
 struct dcb_output;
 
+int r535_disp_new(const struct nvkm_disp_func *, struct nvkm_device *, enum nvkm_subdev_type, int,
+		  struct nvkm_disp **);
+
 int nvkm_disp_ctor(const struct nvkm_disp_func *, struct nvkm_device *, enum nvkm_subdev_type, int,
 		   struct nvkm_disp *);
 int nvkm_disp_new_(const struct nvkm_disp_func *, struct nvkm_device *, enum nvkm_subdev_type, int,

drivers/gpu/drm/nouveau/nvkm/engine/disp/tu102.c

@@ -235,7 +235,7 @@ tu102_disp_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 	       struct nvkm_disp **pdisp)
 {
 	if (nvkm_gsp_rm(device->gsp))
-		return -ENODEV;
+		return r535_disp_new(&tu102_disp, device, type, inst, pdisp);
 
 	return nvkm_disp_new_(&tu102_disp, device, type, inst, pdisp);
 }

drivers/gpu/drm/nouveau/nvkm/engine/disp/uconn.c

@@ -30,6 +30,23 @@
 
 #include <nvif/if0011.h>
 
+static int
+nvkm_uconn_uevent_gsp(struct nvkm_object *object, u64 token, u32 bits)
+{
+	union nvif_conn_event_args args;
+
+	args.v0.version = 0;
+	args.v0.types = 0;
+	if (bits & NVKM_DPYID_PLUG)
+		args.v0.types |= NVIF_CONN_EVENT_V0_PLUG;
+	if (bits & NVKM_DPYID_UNPLUG)
+		args.v0.types |= NVIF_CONN_EVENT_V0_UNPLUG;
+	if (bits & NVKM_DPYID_IRQ)
+		args.v0.types |= NVIF_CONN_EVENT_V0_IRQ;
+
+	return object->client->event(token, &args, sizeof(args.v0));
+}
+
 static int
 nvkm_uconn_uevent_aux(struct nvkm_object *object, u64 token, u32 bits)
 {
@@ -78,13 +95,14 @@ static int
 nvkm_uconn_uevent(struct nvkm_object *object, void *argv, u32 argc, struct nvkm_uevent *uevent)
 {
 	struct nvkm_conn *conn = nvkm_uconn(object);
-	struct nvkm_device *device = conn->disp->engine.subdev.device;
+	struct nvkm_disp *disp = conn->disp;
+	struct nvkm_device *device = disp->engine.subdev.device;
 	struct nvkm_outp *outp;
 	union nvif_conn_event_args *args = argv;
 	u64 bits = 0;
 
 	if (!uevent) {
-		if (conn->info.hpd == DCB_GPIO_UNUSED)
+		if (!disp->rm.client.gsp && conn->info.hpd == DCB_GPIO_UNUSED)
 			return -ENOSYS;
 		return 0;
 	}
@@ -100,6 +118,15 @@ nvkm_uconn_uevent(struct nvkm_object *object, void *argv, u32 argc, struct nvkm_
 	if (&outp->head == &conn->disp->outps)
 		return -EINVAL;
 
+	if (disp->rm.client.gsp) {
+		if (args->v0.types & NVIF_CONN_EVENT_V0_PLUG  ) bits |= NVKM_DPYID_PLUG;
+		if (args->v0.types & NVIF_CONN_EVENT_V0_UNPLUG) bits |= NVKM_DPYID_UNPLUG;
+		if (args->v0.types & NVIF_CONN_EVENT_V0_IRQ   ) bits |= NVKM_DPYID_IRQ;
+
+		return nvkm_uevent_add(uevent, &disp->rm.event, outp->index, bits,
+				       nvkm_uconn_uevent_gsp);
+	}
+
 	if (outp->dp.aux && !outp->info.location) {
 		if (args->v0.types & NVIF_CONN_EVENT_V0_PLUG  ) bits |= NVKM_I2C_PLUG;
 		if (args->v0.types & NVIF_CONN_EVENT_V0_UNPLUG) bits |= NVKM_I2C_UNPLUG;

drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c

@@ -30,16 +30,20 @@
 
 #include <nvrm/nvtypes.h>
 #include <nvrm/535.54.03/common/sdk/nvidia/inc/class/cl0000.h>
+#include <nvrm/535.54.03/common/sdk/nvidia/inc/class/cl0005.h>
 #include <nvrm/535.54.03/common/sdk/nvidia/inc/class/cl0080.h>
 #include <nvrm/535.54.03/common/sdk/nvidia/inc/class/cl2080.h>
+#include <nvrm/535.54.03/common/sdk/nvidia/inc/ctrl/ctrl2080/ctrl2080event.h>
 #include <nvrm/535.54.03/common/sdk/nvidia/inc/ctrl/ctrl2080/ctrl2080gpu.h>
 #include <nvrm/535.54.03/common/sdk/nvidia/inc/ctrl/ctrl2080/ctrl2080internal.h>
+#include <nvrm/535.54.03/common/sdk/nvidia/inc/nvos.h>
 #include <nvrm/535.54.03/common/shared/msgq/inc/msgq/msgq_priv.h>
 #include <nvrm/535.54.03/common/uproc/os/common/include/libos_init_args.h>
 #include <nvrm/535.54.03/nvidia/arch/nvalloc/common/inc/gsp/gsp_fw_sr_meta.h>
 #include <nvrm/535.54.03/nvidia/arch/nvalloc/common/inc/gsp/gsp_fw_wpr_meta.h>
 #include <nvrm/535.54.03/nvidia/arch/nvalloc/common/inc/rmRiscvUcode.h>
 #include <nvrm/535.54.03/nvidia/arch/nvalloc/common/inc/rmgspseq.h>
+#include <nvrm/535.54.03/nvidia/generated/g_allclasses.h>
 #include <nvrm/535.54.03/nvidia/generated/g_os_nvoc.h>
 #include <nvrm/535.54.03/nvidia/generated/g_rpc-structures.h>
 #include <nvrm/535.54.03/nvidia/inc/kernel/gpu/gsp/gsp_fw_heap.h>
@@ -360,6 +364,81 @@ r535_gsp_rpc_send(struct nvkm_gsp *gsp, void *argv, bool wait, u32 repc)
 	return repv;
 }
 
+static void
+r535_gsp_event_dtor(struct nvkm_gsp_event *event)
+{
+	struct nvkm_gsp_device *device = event->device;
+	struct nvkm_gsp_client *client = device->object.client;
+	struct nvkm_gsp *gsp = client->gsp;
+
+	mutex_lock(&gsp->client_id.mutex);
+	if (event->func) {
+		list_del(&event->head);
+		event->func = NULL;
+	}
+	mutex_unlock(&gsp->client_id.mutex);
+
+	nvkm_gsp_rm_free(&event->object);
+	event->device = NULL;
+}
+
+static int
+r535_gsp_device_event_get(struct nvkm_gsp_event *event)
+{
+	struct nvkm_gsp_device *device = event->device;
+	NV2080_CTRL_EVENT_SET_NOTIFICATION_PARAMS *ctrl;
+
+	ctrl = nvkm_gsp_rm_ctrl_get(&device->subdevice,
+				    NV2080_CTRL_CMD_EVENT_SET_NOTIFICATION, sizeof(*ctrl));
+	if (IS_ERR(ctrl))
+		return PTR_ERR(ctrl);
+
+	ctrl->event = event->id;
+	ctrl->action = NV2080_CTRL_EVENT_SET_NOTIFICATION_ACTION_REPEAT;
+	return nvkm_gsp_rm_ctrl_wr(&device->subdevice, ctrl);
+}
+
+static int
+r535_gsp_device_event_ctor(struct nvkm_gsp_device *device, u32 handle, u32 id,
+			   nvkm_gsp_event_func func, struct nvkm_gsp_event *event)
+{
+	struct nvkm_gsp_client *client = device->object.client;
+	struct nvkm_gsp *gsp = client->gsp;
+	NV0005_ALLOC_PARAMETERS *args;
+	int ret;
+
+	args = nvkm_gsp_rm_alloc_get(&device->subdevice, handle,
+				     NV01_EVENT_KERNEL_CALLBACK_EX, sizeof(*args),
+				     &event->object);
+	if (IS_ERR(args))
+		return PTR_ERR(args);
+
+	args->hParentClient = client->object.handle;
+	args->hSrcResource = 0;
+	args->hClass = NV01_EVENT_KERNEL_CALLBACK_EX;
+	args->notifyIndex = NV01_EVENT_CLIENT_RM | id;
+	args->data = NULL;
+
+	ret = nvkm_gsp_rm_alloc_wr(&event->object, args);
+	if (ret)
+		return ret;
+
+	event->device = device;
+	event->id = id;
+
+	ret = r535_gsp_device_event_get(event);
+	if (ret) {
+		nvkm_gsp_event_dtor(event);
+		return ret;
+	}
+
+	mutex_lock(&gsp->client_id.mutex);
+	event->func = func;
+	list_add(&event->head, &client->events);
+	mutex_unlock(&gsp->client_id.mutex);
+	return 0;
+}
+
 static void
 r535_gsp_device_dtor(struct nvkm_gsp_device *device)
 {
@@ -428,6 +507,7 @@ r535_gsp_client_ctor(struct nvkm_gsp *gsp, struct nvkm_gsp_client *client)
 
 	client->gsp = gsp;
 	client->object.client = client;
+	INIT_LIST_HEAD(&client->events);
 
 	args = nvkm_gsp_rm_alloc_get(&client->object, 0xc1d00000 | ret, NV01_ROOT, sizeof(*args),
 				     &client->object);
@@ -690,6 +770,9 @@ r535_gsp_rm = {
 
 	.device_ctor = r535_gsp_device_ctor,
 	.device_dtor = r535_gsp_device_dtor,
+
+	.event_ctor = r535_gsp_device_event_ctor,
+	.event_dtor = r535_gsp_event_dtor,
 };
 
 static void
@@ -763,6 +846,10 @@ r535_gsp_intr_get_table(struct nvkm_gsp *gsp)
 			type = NVKM_SUBDEV_GSP;
 			inst = 0;
 			break;
+		case MC_ENGINE_IDX_DISP:
+			type = NVKM_ENGINE_DISP;
+			inst = 0;
+			break;
 		default:
 			continue;
 		}
@@ -1151,6 +1238,47 @@ r535_gsp_msg_mmu_fault_queued(void *priv, u32 fn, void *repv, u32 repc)
 	return 0;
 }
 
+static int
+r535_gsp_msg_post_event(void *priv, u32 fn, void *repv, u32 repc)
+{
+	struct nvkm_gsp *gsp = priv;
+	struct nvkm_gsp_client *client;
+	struct nvkm_subdev *subdev = &gsp->subdev;
+	rpc_post_event_v17_00 *msg = repv;
+
+	if (WARN_ON(repc < sizeof(*msg)))
+		return -EINVAL;
+	if (WARN_ON(repc != sizeof(*msg) + msg->eventDataSize))
+		return -EINVAL;
+
+	nvkm_debug(subdev, "event: %08x %08x %d %08x %08x %d %d\n",
+		   msg->hClient, msg->hEvent, msg->notifyIndex, msg->data,
+		   msg->status, msg->eventDataSize, msg->bNotifyList);
+
+	mutex_lock(&gsp->client_id.mutex);
+	client = idr_find(&gsp->client_id.idr, msg->hClient & 0xffff);
+	if (client) {
+		struct nvkm_gsp_event *event;
+		bool handled = false;
+
+		list_for_each_entry(event, &client->events, head) {
+			if (event->object.handle == msg->hEvent) {
+				event->func(event, msg->eventData, msg->eventDataSize);
+				handled = true;
+			}
+		}
+
+		if (!handled) {
+			nvkm_error(subdev, "event: cid 0x%08x event 0x%08x not found!\n",
+				   msg->hClient, msg->hEvent);
+		}
+	} else {
+		nvkm_error(subdev, "event: cid 0x%08x not found!\n", msg->hClient);
+	}
+	mutex_unlock(&gsp->client_id.mutex);
+	return 0;
+}
+
 static int
 r535_gsp_msg_run_cpu_sequencer(void *priv, u32 fn, void *repv, u32 repc)
 {
@@ -1872,6 +2000,7 @@ r535_gsp_oneinit(struct nvkm_gsp *gsp)
 
 	r535_gsp_msg_ntfy_add(gsp, NV_VGPU_MSG_EVENT_GSP_RUN_CPU_SEQUENCER,
 			      r535_gsp_msg_run_cpu_sequencer, gsp);
+	r535_gsp_msg_ntfy_add(gsp, NV_VGPU_MSG_EVENT_POST_EVENT, r535_gsp_msg_post_event, gsp);
 	r535_gsp_msg_ntfy_add(gsp, NV_VGPU_MSG_EVENT_MMU_FAULT_QUEUED,
 			      r535_gsp_msg_mmu_fault_queued, gsp);
 	r535_gsp_msg_ntfy_add(gsp, NV_VGPU_MSG_EVENT_OS_ERROR_LOG, r535_gsp_msg_os_error_log, gsp);