From: Ben Skeggs <[email protected]>

Adds support for allocating GR classes from RM.

Signed-off-by: Ben Skeggs <[email protected]>
---
 drivers/gpu/drm/nouveau/include/nvif/class.h  |   3 +
 .../drm/nouveau/include/nvkm/engine/fifo.h    |   1 +
 .../gpu/drm/nouveau/include/nvkm/engine/gr.h  |   1 +
 .../gpu/drm/nouveau/include/nvkm/subdev/gsp.h |   5 +
 .../nvidia/inc/ctrl/ctrl0080/ctrl0080fifo.h   |  57 ++
 .../nvidia/inc/ctrl/ctrl2080/ctrl2080gpu.h    |  42 ++
 .../inc/ctrl/ctrl2080/ctrl2080internal.h      |  19 +
 .../nvidia/inc/kernel/gpu/intr/engine_idx.h   |   3 +
 .../gpu/drm/nouveau/nvkm/engine/device/base.c |   5 +
 .../gpu/drm/nouveau/nvkm/engine/fifo/r535.c   |  34 ++
 drivers/gpu/drm/nouveau/nvkm/engine/gr/Kbuild |   3 +
 .../gpu/drm/nouveau/nvkm/engine/gr/ad102.c    |  46 ++
 .../gpu/drm/nouveau/nvkm/engine/gr/ga102.c    |   2 +-
 .../gpu/drm/nouveau/nvkm/engine/gr/gf100.h    |   2 +
 drivers/gpu/drm/nouveau/nvkm/engine/gr/r535.c | 508 ++++++++++++++++++
 .../gpu/drm/nouveau/nvkm/engine/gr/tu102.c    |   2 +-
 .../gpu/drm/nouveau/nvkm/subdev/gsp/r535.c    |  11 +
 17 files changed, 742 insertions(+), 2 deletions(-)
 create mode 100644 
drivers/gpu/drm/nouveau/include/nvrm/535.54.03/common/sdk/nvidia/inc/ctrl/ctrl0080/ctrl0080fifo.h
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/gr/ad102.c
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/gr/r535.c

diff --git a/drivers/gpu/drm/nouveau/include/nvif/class.h 
b/drivers/gpu/drm/nouveau/include/nvif/class.h
index fa94d69d3eb0..550e96db41a0 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/class.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/class.h
@@ -194,6 +194,8 @@
 
 #define AMPERE_B                                      /* cl9097.h */ 0x0000c797
 
+#define ADA_A                                         /* cl9097.h */ 0x0000c997
+
 #define NV74_BSP                                                     0x000074b0
 
 #define GT212_MSVLD                                                  0x000085b1
@@ -239,6 +241,7 @@
 #define VOLTA_COMPUTE_A                                              0x0000c3c0
 #define TURING_COMPUTE_A                                             0x0000c5c0
 #define AMPERE_COMPUTE_B                                             0x0000c7c0
+#define ADA_COMPUTE_A                                                0x0000c9c0
 
 #define NV74_CIPHER                                                  0x000074c1
 #endif
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h 
b/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h
index a26dfeece4b7..be508f65b280 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h
@@ -42,6 +42,7 @@ struct nvkm_chan {
                        dma_addr_t addr;
                        void *ptr;
                } mthdbuf;
+               struct nvkm_vctx *grctx;
        } rm;
 
        struct list_head cctxs;
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/gr.h 
b/drivers/gpu/drm/nouveau/include/nvkm/engine/gr.h
index a2333cfe6955..8145796ffc61 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/gr.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/gr.h
@@ -55,4 +55,5 @@ int gp10b_gr_new(struct nvkm_device *, enum nvkm_subdev_type, 
int inst, struct n
 int gv100_gr_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct 
nvkm_gr **);
 int tu102_gr_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct 
nvkm_gr **);
 int ga102_gr_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct 
nvkm_gr **);
+int ad102_gr_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct 
nvkm_gr **);
 #endif
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h 
b/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h
index e7e8b30ceb44..2fa0445d8928 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h
@@ -176,6 +176,11 @@ struct nvkm_gsp {
                u64 rm_bar2_pdb;
        } bar;
 
+       struct {
+               u8 gpcs;
+               u8 tpcs;
+       } gr;
+
        const struct nvkm_gsp_rm {
                void *(*rpc_get)(struct nvkm_gsp *, u32 fn, u32 argc);
                void *(*rpc_push)(struct nvkm_gsp *, void *argv, bool wait, u32 
repc);
diff --git 
a/drivers/gpu/drm/nouveau/include/nvrm/535.54.03/common/sdk/nvidia/inc/ctrl/ctrl0080/ctrl0080fifo.h
 
b/drivers/gpu/drm/nouveau/include/nvrm/535.54.03/common/sdk/nvidia/inc/ctrl/ctrl0080/ctrl0080fifo.h
new file mode 100644
index 000000000000..7fda8d2d2067
--- /dev/null
+++ 
b/drivers/gpu/drm/nouveau/include/nvrm/535.54.03/common/sdk/nvidia/inc/ctrl/ctrl0080/ctrl0080fifo.h
@@ -0,0 +1,57 @@
+#ifndef __src_common_sdk_nvidia_inc_ctrl_ctrl0080_ctrl0080fifo_h__
+#define __src_common_sdk_nvidia_inc_ctrl_ctrl0080_ctrl0080fifo_h__
+
+/* Excerpt of RM headers from 
https://github.com/NVIDIA/open-gpu-kernel-modules/tree/535.54.03 */
+
+/*
+ * SPDX-FileCopyrightText: Copyright (c) 2006-2022 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 NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID               
           4:0
+#define NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_GRAPHICS      
           (0x00000000)
+#define NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_VLD           
           (0x00000001)
+#define NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_VIDEO         
           (0x00000002)
+#define NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_MPEG          
           (0x00000003)
+#define NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_CAPTURE       
           (0x00000004)
+#define NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_DISPLAY       
           (0x00000005)
+#define NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_ENCRYPTION    
           (0x00000006)
+#define NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_POSTPROCESS   
           (0x00000007)
+#define 
NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_GRAPHICS_ZCULL         
  (0x00000008)
+#define NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_GRAPHICS_PM   
           (0x00000009)
+#define 
NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_COMPUTE_PREEMPT        
  (0x0000000a)
+#define 
NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_GRAPHICS_PREEMPT       
  (0x0000000b)
+#define 
NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_GRAPHICS_SPILL         
  (0x0000000c)
+#define 
NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_GRAPHICS_PAGEPOOL      
  (0x0000000d)
+#define 
NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_GRAPHICS_BETACB        
  (0x0000000e)
+#define NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_GRAPHICS_RTV  
           (0x0000000f)
+#define 
NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_GRAPHICS_PATCH         
  (0x00000010)
+#define 
NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_GRAPHICS_BUNDLE_CB     
  (0x00000011)
+#define 
NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_GRAPHICS_PAGEPOOL_GLOBAL
 (0x00000012)
+#define 
NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_GRAPHICS_ATTRIBUTE_CB  
  (0x00000013)
+#define 
NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_GRAPHICS_RTV_CB_GLOBAL 
  (0x00000014)
+#define 
NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_GRAPHICS_GFXP_POOL     
  (0x00000015)
+#define 
NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_GRAPHICS_GFXP_CTRL_BLK 
  (0x00000016)
+#define 
NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_GRAPHICS_FECS_EVENT    
  (0x00000017)
+#define 
NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_GRAPHICS_PRIV_ACCESS_MAP
 (0x00000018)
+#define NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_COUNT         
           (0x00000019)
+
+#endif
diff --git 
a/drivers/gpu/drm/nouveau/include/nvrm/535.54.03/common/sdk/nvidia/inc/ctrl/ctrl2080/ctrl2080gpu.h
 
b/drivers/gpu/drm/nouveau/include/nvrm/535.54.03/common/sdk/nvidia/inc/ctrl/ctrl2080/ctrl2080gpu.h
index 49a1390743c4..ce43708a6f18 100644
--- 
a/drivers/gpu/drm/nouveau/include/nvrm/535.54.03/common/sdk/nvidia/inc/ctrl/ctrl2080/ctrl2080gpu.h
+++ 
b/drivers/gpu/drm/nouveau/include/nvrm/535.54.03/common/sdk/nvidia/inc/ctrl/ctrl2080/ctrl2080gpu.h
@@ -32,6 +32,48 @@
 
 #define NV2080_CTRL_GPU_SET_POWER_STATE_GPU_LEVEL_3            (0x00000003U)
 
+typedef struct NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ENTRY {
+    NV_DECLARE_ALIGNED(NvU64 gpuPhysAddr, 8);
+    NV_DECLARE_ALIGNED(NvU64 gpuVirtAddr, 8);
+    NV_DECLARE_ALIGNED(NvU64 size, 8);
+    NvU32 physAttr;
+    NvU16 bufferId;
+    NvU8  bInitialize;
+    NvU8  bNonmapped;
+} NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ENTRY;
+
+#define NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ID_MAIN                         0U
+#define NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ID_PM                           1U
+#define NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ID_PATCH                        2U
+#define NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ID_BUFFER_BUNDLE_CB             3U
+#define NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ID_PAGEPOOL                     4U
+#define NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ID_ATTRIBUTE_CB                 5U
+#define NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ID_RTV_CB_GLOBAL                6U
+#define NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ID_GFXP_POOL                    7U
+#define NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ID_GFXP_CTRL_BLK                8U
+#define NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ID_FECS_EVENT                   9U
+#define NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ID_PRIV_ACCESS_MAP              10U
+#define NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ID_UNRESTRICTED_PRIV_ACCESS_MAP 11U
+#define NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ID_GLOBAL_PRIV_ACCESS_MAP       12U
+
+#define NV2080_CTRL_GPU_PROMOTE_CONTEXT_MAX_ENTRIES                        16U
+
+#define NV2080_CTRL_CMD_GPU_PROMOTE_CTX                                    
(0x2080012bU) /* finn: Evaluated from "(FINN_NV20_SUBDEVICE_0_GPU_INTERFACE_ID 
<< 8) | NV2080_CTRL_GPU_PROMOTE_CTX_PARAMS_MESSAGE_ID" */
+
+typedef struct NV2080_CTRL_GPU_PROMOTE_CTX_PARAMS {
+    NvU32    engineType;
+    NvHandle hClient;
+    NvU32    ChID;
+    NvHandle hChanClient;
+    NvHandle hObject;
+    NvHandle hVirtMemory;
+    NV_DECLARE_ALIGNED(NvU64 virtAddress, 8);
+    NV_DECLARE_ALIGNED(NvU64 size, 8);
+    NvU32    entryCount;
+    // C form: NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ENTRY 
promoteEntry[NV2080_CTRL_GPU_PROMOTE_CONTEXT_MAX_ENTRIES];
+    NV_DECLARE_ALIGNED(NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ENTRY 
promoteEntry[NV2080_CTRL_GPU_PROMOTE_CONTEXT_MAX_ENTRIES], 8);
+} NV2080_CTRL_GPU_PROMOTE_CTX_PARAMS;
+
 typedef struct NV2080_CTRL_GPU_GET_FERMI_GPC_INFO_PARAMS {
     NvU32 gpcMask;
 } NV2080_CTRL_GPU_GET_FERMI_GPC_INFO_PARAMS;
diff --git 
a/drivers/gpu/drm/nouveau/include/nvrm/535.54.03/common/sdk/nvidia/inc/ctrl/ctrl2080/ctrl2080internal.h
 
b/drivers/gpu/drm/nouveau/include/nvrm/535.54.03/common/sdk/nvidia/inc/ctrl/ctrl2080/ctrl2080internal.h
index 732f20ee2bbe..25994b299c82 100644
--- 
a/drivers/gpu/drm/nouveau/include/nvrm/535.54.03/common/sdk/nvidia/inc/ctrl/ctrl2080/ctrl2080internal.h
+++ 
b/drivers/gpu/drm/nouveau/include/nvrm/535.54.03/common/sdk/nvidia/inc/ctrl/ctrl2080/ctrl2080internal.h
@@ -38,6 +38,25 @@ typedef struct 
NV2080_CTRL_INTERNAL_DISPLAY_GET_STATIC_INFO_PARAMS {
     NvU32  internalDispActiveMask;
 } NV2080_CTRL_INTERNAL_DISPLAY_GET_STATIC_INFO_PARAMS;
 
+#define NV2080_CTRL_INTERNAL_GR_MAX_ENGINES         8
+
+#define NV2080_CTRL_INTERNAL_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_COUNT 0x19
+
+typedef struct NV2080_CTRL_INTERNAL_ENGINE_CONTEXT_BUFFER_INFO {
+    NvU32 size;
+    NvU32 alignment;
+} NV2080_CTRL_INTERNAL_ENGINE_CONTEXT_BUFFER_INFO;
+
+typedef struct NV2080_CTRL_INTERNAL_STATIC_GR_CONTEXT_BUFFERS_INFO {
+    NV2080_CTRL_INTERNAL_ENGINE_CONTEXT_BUFFER_INFO 
engine[NV2080_CTRL_INTERNAL_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_COUNT];
+} NV2080_CTRL_INTERNAL_STATIC_GR_CONTEXT_BUFFERS_INFO;
+
+typedef struct NV2080_CTRL_INTERNAL_STATIC_GR_GET_CONTEXT_BUFFERS_INFO_PARAMS {
+    NV2080_CTRL_INTERNAL_STATIC_GR_CONTEXT_BUFFERS_INFO 
engineContextBuffersInfo[NV2080_CTRL_INTERNAL_GR_MAX_ENGINES];
+} NV2080_CTRL_INTERNAL_STATIC_GR_GET_CONTEXT_BUFFERS_INFO_PARAMS;
+
+#define NV2080_CTRL_CMD_INTERNAL_STATIC_KGR_GET_CONTEXT_BUFFERS_INFO 
(0x20800a32) /* finn: Evaluated from 
"(FINN_NV20_SUBDEVICE_0_INTERNAL_INTERFACE_ID << 8) | 
NV2080_CTRL_INTERNAL_STATIC_KGR_GET_CONTEXT_BUFFERS_INFO_PARAMS_MESSAGE_ID" */
+
 #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 {
diff --git 
a/drivers/gpu/drm/nouveau/include/nvrm/535.54.03/nvidia/inc/kernel/gpu/intr/engine_idx.h
 
b/drivers/gpu/drm/nouveau/include/nvrm/535.54.03/nvidia/inc/kernel/gpu/intr/engine_idx.h
index 0965c2ee50e8..6cef62a0698d 100644
--- 
a/drivers/gpu/drm/nouveau/include/nvrm/535.54.03/nvidia/inc/kernel/gpu/intr/engine_idx.h
+++ 
b/drivers/gpu/drm/nouveau/include/nvrm/535.54.03/nvidia/inc/kernel/gpu/intr/engine_idx.h
@@ -34,4 +34,7 @@
 
 #define MC_ENGINE_IDX_GSP                           49
 
+#define MC_ENGINE_IDX_GR                            82
+#define MC_ENGINE_IDX_GR0                           MC_ENGINE_IDX_GR
+
 #endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c 
b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
index bd4b8cf40d4c..8cd57e0e7333 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
@@ -2762,6 +2762,7 @@ nv192_chipset = {
        .disp     = { 0x00000001, ad102_disp_new },
        .dma      = { 0x00000001, gv100_dma_new },
        .fifo     = { 0x00000001, ga102_fifo_new },
+       .gr       = { 0x00000001, ad102_gr_new },
        .sec2     = { 0x00000001, ga102_sec2_new },
 };
 
@@ -2783,6 +2784,7 @@ nv193_chipset = {
        .disp     = { 0x00000001, ad102_disp_new },
        .dma      = { 0x00000001, gv100_dma_new },
        .fifo     = { 0x00000001, ga102_fifo_new },
+       .gr       = { 0x00000001, ad102_gr_new },
        .sec2     = { 0x00000001, ga102_sec2_new },
 };
 
@@ -2804,6 +2806,7 @@ nv194_chipset = {
        .disp     = { 0x00000001, ad102_disp_new },
        .dma      = { 0x00000001, gv100_dma_new },
        .fifo     = { 0x00000001, ga102_fifo_new },
+       .gr       = { 0x00000001, ad102_gr_new },
        .sec2     = { 0x00000001, ga102_sec2_new },
 };
 
@@ -2825,6 +2828,7 @@ nv196_chipset = {
        .disp     = { 0x00000001, ad102_disp_new },
        .dma      = { 0x00000001, gv100_dma_new },
        .fifo     = { 0x00000001, ga102_fifo_new },
+       .gr       = { 0x00000001, ad102_gr_new },
        .sec2     = { 0x00000001, ga102_sec2_new },
 };
 
@@ -2846,6 +2850,7 @@ nv197_chipset = {
        .disp     = { 0x00000001, ad102_disp_new },
        .dma      = { 0x00000001, gv100_dma_new },
        .fifo     = { 0x00000001, ga102_fifo_new },
+       .gr       = { 0x00000001, ad102_gr_new },
        .sec2     = { 0x00000001, ga102_sec2_new },
 };
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/r535.c 
b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/r535.c
index 102e5a586e01..82303e4c5c2e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/r535.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/r535.c
@@ -29,6 +29,7 @@
 #include <subdev/gsp.h>
 #include <subdev/mmu.h>
 #include <subdev/vfn.h>
+#include <engine/gr.h>
 
 #include <nvhw/drf.h>
 
@@ -67,6 +68,8 @@ r535_chan_ramfc_clear(struct nvkm_chan *chan)
 
        dma_free_coherent(fifo->engine.subdev.device->dev, 
fifo->rm.mthdbuf_size,
                          chan->rm.mthdbuf.ptr, chan->rm.mthdbuf.addr);
+
+       nvkm_cgrp_vctx_put(chan->cgrp, &chan->rm.grctx);
 }
 
 #define CHID_PER_USERD 8
@@ -76,12 +79,19 @@ r535_chan_ramfc_write(struct nvkm_chan *chan, u64 offset, 
u64 length, u32 devm,
 {
        struct nvkm_fifo *fifo = chan->cgrp->runl->fifo;
        struct nvkm_engn *engn;
+       struct nvkm_device *device = fifo->engine.subdev.device;
        NV_CHANNELGPFIFO_ALLOCATION_PARAMETERS *args;
        const int userd_p = chan->id / CHID_PER_USERD;
        const int userd_i = chan->id % CHID_PER_USERD;
        u32 eT = ~0;
        int ret;
 
+       if (unlikely(device->gr && !device->gr->engine.subdev.oneinit)) {
+               ret = nvkm_subdev_oneinit(&device->gr->engine.subdev);
+               if (ret)
+                       return ret;
+       }
+
        nvkm_runl_foreach_engn(engn, chan->cgrp->runl) {
                eT = engn->id;
                break;
@@ -347,6 +357,27 @@ r535_ce = {
        .nonstall = r535_engn_nonstall,
 };
 
+static int
+r535_gr_ctor(struct nvkm_engn *engn, struct nvkm_vctx *vctx, struct nvkm_chan 
*chan)
+{
+       /* RM requires GR context buffers to remain mapped until after the
+        * channel has been destroyed (as opposed to after the last gr obj
+        * has been deleted).
+        *
+        * Take an extra ref here, which will be released once the channel
+        * object has been deleted.
+        */
+       refcount_inc(&vctx->refs);
+       chan->rm.grctx = vctx;
+       return 0;
+}
+
+static const struct nvkm_engn_func
+r535_gr = {
+       .nonstall = r535_engn_nonstall,
+       .ctor2 = r535_gr_ctor,
+};
+
 static void
 r535_runl_allow(struct nvkm_runl *runl, u32 engm)
 {
@@ -477,6 +508,9 @@ r535_fifo_runl_ctor(struct nvkm_fifo *fifo)
                case NVKM_ENGINE_CE:
                        engn = nvkm_runl_add(runl, nv2080, &r535_ce, type, 
inst);
                        break;
+               case NVKM_ENGINE_GR:
+                       engn = nvkm_runl_add(runl, nv2080, &r535_gr, type, 
inst);
+                       break;
                case NVKM_ENGINE_SW:
                        continue;
                default:
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/Kbuild 
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/Kbuild
index b5418f05ccd8..1555f8c40b4f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/Kbuild
@@ -41,6 +41,9 @@ nvkm-y += nvkm/engine/gr/gp10b.o
 nvkm-y += nvkm/engine/gr/gv100.o
 nvkm-y += nvkm/engine/gr/tu102.o
 nvkm-y += nvkm/engine/gr/ga102.o
+nvkm-y += nvkm/engine/gr/ad102.o
+
+nvkm-y += nvkm/engine/gr/r535.o
 
 nvkm-y += nvkm/engine/gr/ctxnv40.o
 nvkm-y += nvkm/engine/gr/ctxnv50.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ad102.c 
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ad102.c
new file mode 100644
index 000000000000..7bfa6240d283
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ad102.c
@@ -0,0 +1,46 @@
+/*
+ * 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 "gf100.h"
+
+#include <subdev/gsp.h>
+
+#include <nvif/class.h>
+
+static const struct gf100_gr_func
+ad102_gr = {
+       .sclass = {
+               { -1, -1, FERMI_TWOD_A },
+               { -1, -1, KEPLER_INLINE_TO_MEMORY_B },
+               { -1, -1, ADA_A },
+               { -1, -1, ADA_COMPUTE_A },
+               {}
+       }
+};
+
+int
+ad102_gr_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, 
struct nvkm_gr **pgr)
+{
+       if (nvkm_gsp_rm(device->gsp))
+               return r535_gr_new(&ad102_gr, device, type, inst, pgr);
+
+       return -ENODEV;
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ga102.c 
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ga102.c
index 2b51f1d0c281..d285c597aff9 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ga102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ga102.c
@@ -352,7 +352,7 @@ int
 ga102_gr_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, 
struct nvkm_gr **pgr)
 {
        if (nvkm_gsp_rm(device->gsp))
-               return -ENODEV;
+               return r535_gr_new(&ga102_gr, device, type, inst, pgr);
 
        return gf100_gr_new_(ga102_gr_fwif, device, type, inst, pgr);
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h 
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h
index 54f686ba39ac..b0e0c9305034 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h
@@ -445,4 +445,6 @@ void gp108_gr_acr_bld_patch(struct nvkm_acr *, u32, s64);
 
 int gf100_gr_new_(const struct gf100_gr_fwif *, struct nvkm_device *, enum 
nvkm_subdev_type, int,
                  struct nvkm_gr **);
+int r535_gr_new(const struct gf100_gr_func *, struct nvkm_device *, enum 
nvkm_subdev_type, int,
+               struct nvkm_gr **);
 #endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/r535.c 
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/r535.c
new file mode 100644
index 000000000000..a7501b52137c
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/r535.c
@@ -0,0 +1,508 @@
+/*
+ * 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 "gf100.h"
+
+#include <core/memory.h>
+#include <subdev/gsp.h>
+#include <subdev/mmu/vmm.h>
+#include <engine/fifo/priv.h>
+
+#include <nvif/if900d.h>
+
+#include <nvhw/drf.h>
+
+#include <nvrm/nvtypes.h>
+#include <nvrm/535.54.03/common/sdk/nvidia/inc/alloc/alloc_channel.h>
+#include <nvrm/535.54.03/common/sdk/nvidia/inc/ctrl/ctrl0080/ctrl0080fifo.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/nvidia/generated/g_kernel_channel_nvoc.h>
+
+#define r535_gr(p) container_of((p), struct r535_gr, base)
+
+#define R515_GR_MAX_CTXBUFS 9
+
+struct r535_gr {
+       struct nvkm_gr base;
+
+       struct {
+               u16 bufferId;
+               u32 size;
+               u8  page;
+               u8  align;
+               bool global;
+               bool init;
+               bool ro;
+       } ctxbuf[R515_GR_MAX_CTXBUFS];
+       int ctxbuf_nr;
+
+       struct nvkm_memory *ctxbuf_mem[R515_GR_MAX_CTXBUFS];
+};
+
+struct r535_gr_chan {
+       struct nvkm_object object;
+       struct r535_gr *gr;
+
+       struct nvkm_vmm *vmm;
+       struct nvkm_chan *chan;
+
+       struct nvkm_memory *mem[R515_GR_MAX_CTXBUFS];
+       struct nvkm_vma    *vma[R515_GR_MAX_CTXBUFS];
+};
+
+struct r535_gr_obj {
+       struct nvkm_object object;
+       struct nvkm_gsp_object rm;
+};
+
+static void *
+r535_gr_obj_dtor(struct nvkm_object *object)
+{
+       struct r535_gr_obj *obj = container_of(object, typeof(*obj), object);
+
+       nvkm_gsp_rm_free(&obj->rm);
+       return obj;
+}
+
+static const struct nvkm_object_func
+r535_gr_obj = {
+       .dtor = r535_gr_obj_dtor,
+};
+
+static int
+r535_gr_obj_ctor(const struct nvkm_oclass *oclass, void *argv, u32 argc,
+                struct nvkm_object **pobject)
+{
+       struct r535_gr_chan *chan = container_of(oclass->parent, typeof(*chan), 
object);
+       struct r535_gr_obj *obj;
+
+       if (!(obj = kzalloc(sizeof(*obj), GFP_KERNEL)))
+               return -ENOMEM;
+
+       nvkm_object_ctor(&r535_gr_obj, oclass, &obj->object);
+       *pobject = &obj->object;
+
+       return nvkm_gsp_rm_alloc(&chan->chan->rm.object, oclass->handle, 
oclass->base.oclass, 0,
+                                &obj->rm);
+}
+
+static void *
+r535_gr_chan_dtor(struct nvkm_object *object)
+{
+       struct r535_gr_chan *grc = container_of(object, typeof(*grc), object);
+       struct r535_gr *gr = grc->gr;
+
+       for (int i = 0; i < gr->ctxbuf_nr; i++) {
+               nvkm_vmm_put(grc->vmm, &grc->vma[i]);
+               nvkm_memory_unref(&grc->mem[i]);
+       }
+
+       nvkm_vmm_unref(&grc->vmm);
+       return grc;
+}
+
+static const struct nvkm_object_func
+r535_gr_chan = {
+       .dtor = r535_gr_chan_dtor,
+};
+
+static int
+r535_gr_promote_ctx(struct r535_gr *gr, bool golden, struct nvkm_vmm *vmm,
+                   struct nvkm_memory **pmem, struct nvkm_vma **pvma,
+                   struct nvkm_gsp_object *chan)
+{
+       struct nvkm_subdev *subdev = &gr->base.engine.subdev;
+       struct nvkm_device *device = subdev->device;
+       NV2080_CTRL_GPU_PROMOTE_CTX_PARAMS *ctrl;
+
+       ctrl = nvkm_gsp_rm_ctrl_get(&vmm->rm.device.subdevice,
+                                   NV2080_CTRL_CMD_GPU_PROMOTE_CTX, 
sizeof(*ctrl));
+       if (WARN_ON(IS_ERR(ctrl)))
+               return PTR_ERR(ctrl);
+
+       ctrl->engineType = 1;
+       ctrl->hChanClient = vmm->rm.client.object.handle;
+       ctrl->hObject = chan->handle;
+
+       for (int i = 0; i < gr->ctxbuf_nr; i++) {
+               NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ENTRY *entry =
+                       &ctrl->promoteEntry[ctrl->entryCount];
+               const bool alloc = golden || !gr->ctxbuf[i].global;
+               int ret;
+
+               entry->bufferId = gr->ctxbuf[i].bufferId;
+               entry->bInitialize = gr->ctxbuf[i].init && alloc;
+
+               if (alloc) {
+                       ret = nvkm_memory_new(device, gr->ctxbuf[i].init ?
+                                             NVKM_MEM_TARGET_INST : 
NVKM_MEM_TARGET_INST_SR_LOST,
+                                             gr->ctxbuf[i].size, 1 << 
gr->ctxbuf[i].page,
+                                             gr->ctxbuf[i].init, &pmem[i]);
+                       if (WARN_ON(ret))
+                               return ret;
+
+                       if (gr->ctxbuf[i].bufferId ==
+                                       
NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ID_PRIV_ACCESS_MAP)
+                               entry->bNonmapped = 1;
+               } else {
+                       if (gr->ctxbuf[i].bufferId ==
+                               
NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ID_UNRESTRICTED_PRIV_ACCESS_MAP)
+                               continue;
+
+                       pmem[i] = nvkm_memory_ref(gr->ctxbuf_mem[i]);
+               }
+
+               if (!entry->bNonmapped) {
+                       struct gf100_vmm_map_v0 args = {
+                               .priv = 1,
+                               .ro   = gr->ctxbuf[i].ro,
+                       };
+
+                       mutex_lock(&vmm->mutex.vmm);
+                       ret = nvkm_vmm_get_locked(vmm, false, true, false, 0, 
gr->ctxbuf[i].align,
+                                                 nvkm_memory_size(pmem[i]), 
&pvma[i]);
+                       mutex_unlock(&vmm->mutex.vmm);
+                       if (ret)
+                               return ret;
+
+                       ret = nvkm_memory_map(pmem[i], 0, vmm, pvma[i], &args, 
sizeof(args));
+                       if (ret)
+                               return ret;
+
+                       entry->gpuVirtAddr = pvma[i]->addr;
+               }
+
+               if (entry->bInitialize) {
+                       entry->gpuPhysAddr = nvkm_memory_addr(pmem[i]);
+                       entry->size = gr->ctxbuf[i].size;
+                       entry->physAttr = 4;
+               }
+
+               nvkm_debug(subdev,
+                          "promote %02d: pa %016llx/%08x sz %016llx va %016llx 
init:%d nm:%d\n",
+                          entry->bufferId, entry->gpuPhysAddr, 
entry->physAttr, entry->size,
+                          entry->gpuVirtAddr, entry->bInitialize, 
entry->bNonmapped);
+
+               ctrl->entryCount++;
+       }
+
+       return nvkm_gsp_rm_ctrl_wr(&vmm->rm.device.subdevice, ctrl);
+}
+
+static int
+r535_gr_chan_new(struct nvkm_gr *base, struct nvkm_chan *chan, const struct 
nvkm_oclass *oclass,
+                struct nvkm_object **pobject)
+{
+       struct r535_gr *gr = r535_gr(base);
+       struct r535_gr_chan *grc;
+       int ret;
+
+       if (!(grc = kzalloc(sizeof(*grc), GFP_KERNEL)))
+               return -ENOMEM;
+
+       nvkm_object_ctor(&r535_gr_chan, oclass, &grc->object);
+       grc->gr = gr;
+       grc->vmm = nvkm_vmm_ref(chan->vmm);
+       grc->chan = chan;
+       *pobject = &grc->object;
+
+       ret = r535_gr_promote_ctx(gr, false, grc->vmm, grc->mem, grc->vma, 
&chan->rm.object);
+       if (ret)
+               return ret;
+
+       return 0;
+}
+
+static u64
+r535_gr_units(struct nvkm_gr *gr)
+{
+       struct nvkm_gsp *gsp = gr->engine.subdev.device->gsp;
+
+       return (gsp->gr.tpcs << 8) | gsp->gr.gpcs;
+}
+
+static int
+r535_gr_oneinit(struct nvkm_gr *base)
+{
+       NV2080_CTRL_INTERNAL_STATIC_GR_GET_CONTEXT_BUFFERS_INFO_PARAMS *info;
+       struct r535_gr *gr = container_of(base, typeof(*gr), base);
+       struct nvkm_subdev *subdev = &gr->base.engine.subdev;
+       struct nvkm_device *device = subdev->device;
+       struct nvkm_gsp *gsp = device->gsp;
+       struct nvkm_mmu *mmu = device->mmu;
+       struct {
+               struct nvkm_memory *inst;
+               struct nvkm_vmm *vmm;
+               struct nvkm_gsp_object chan;
+               struct nvkm_vma *vma[R515_GR_MAX_CTXBUFS];
+       } golden = {};
+       int ret;
+
+       /* Allocate a channel to use for golden context init. */
+       ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x12000, 0, true, 
&golden.inst);
+       if (ret)
+               goto done;
+
+       ret = nvkm_vmm_new(device, 0x1000, 0, NULL, 0, NULL, "grGoldenVmm", 
&golden.vmm);
+       if (ret)
+               goto done;
+
+       ret = mmu->func->promote_vmm(golden.vmm);
+       if (ret)
+               goto done;
+
+       {
+               NV_CHANNELGPFIFO_ALLOCATION_PARAMETERS *args;
+
+               args = nvkm_gsp_rm_alloc_get(&golden.vmm->rm.device.object, 
0xf1f00000,
+                                            
device->fifo->func->chan.user.oclass,
+                                            sizeof(*args), &golden.chan);
+               if (IS_ERR(args)) {
+                       ret = PTR_ERR(args);
+                       goto done;
+               }
+
+               args->gpFifoOffset = 0;
+               args->gpFifoEntries = 0x1000 / 8;
+               args->flags =
+                       NVDEF(NVOS04, FLAGS, CHANNEL_TYPE, PHYSICAL) |
+                       NVDEF(NVOS04, FLAGS, VPR, FALSE) |
+                       NVDEF(NVOS04, FLAGS, CHANNEL_SKIP_MAP_REFCOUNTING, 
FALSE) |
+                       NVVAL(NVOS04, FLAGS, GROUP_CHANNEL_RUNQUEUE, 0) |
+                       NVDEF(NVOS04, FLAGS, PRIVILEGED_CHANNEL, TRUE) |
+                       NVDEF(NVOS04, FLAGS, DELAY_CHANNEL_SCHEDULING, FALSE) |
+                       NVDEF(NVOS04, FLAGS, CHANNEL_DENY_PHYSICAL_MODE_CE, 
FALSE) |
+                       NVVAL(NVOS04, FLAGS, CHANNEL_USERD_INDEX_VALUE, 0) |
+                       NVDEF(NVOS04, FLAGS, CHANNEL_USERD_INDEX_FIXED, FALSE) |
+                       NVVAL(NVOS04, FLAGS, CHANNEL_USERD_INDEX_PAGE_VALUE, 0) 
|
+                       NVDEF(NVOS04, FLAGS, CHANNEL_USERD_INDEX_PAGE_FIXED, 
TRUE) |
+                       NVDEF(NVOS04, FLAGS, CHANNEL_DENY_AUTH_LEVEL_PRIV, 
FALSE) |
+                       NVDEF(NVOS04, FLAGS, CHANNEL_SKIP_SCRUBBER, FALSE) |
+                       NVDEF(NVOS04, FLAGS, CHANNEL_CLIENT_MAP_FIFO, FALSE) |
+                       NVDEF(NVOS04, FLAGS, 
SET_EVICT_LAST_CE_PREFETCH_CHANNEL, FALSE) |
+                       NVDEF(NVOS04, FLAGS, CHANNEL_VGPU_PLUGIN_CONTEXT, 
FALSE) |
+                       NVDEF(NVOS04, FLAGS, CHANNEL_PBDMA_ACQUIRE_TIMEOUT, 
FALSE) |
+                       NVDEF(NVOS04, FLAGS, GROUP_CHANNEL_THREAD, DEFAULT) |
+                       NVDEF(NVOS04, FLAGS, MAP_CHANNEL, FALSE) |
+                       NVDEF(NVOS04, FLAGS, SKIP_CTXBUFFER_ALLOC, FALSE);
+               args->hVASpace = golden.vmm->rm.object.handle;
+               args->engineType = 1;
+               args->instanceMem.base = nvkm_memory_addr(golden.inst);
+               args->instanceMem.size = 0x1000;
+               args->instanceMem.addressSpace = 2;
+               args->instanceMem.cacheAttrib = 1;
+               args->ramfcMem.base = nvkm_memory_addr(golden.inst);
+               args->ramfcMem.size = 0x200;
+               args->ramfcMem.addressSpace = 2;
+               args->ramfcMem.cacheAttrib = 1;
+               args->userdMem.base = nvkm_memory_addr(golden.inst) + 0x1000;
+               args->userdMem.size = 0x200;
+               args->userdMem.addressSpace = 2;
+               args->userdMem.cacheAttrib = 1;
+               args->mthdbufMem.base = nvkm_memory_addr(golden.inst) + 0x2000;
+               args->mthdbufMem.size = 0x5000;
+               args->mthdbufMem.addressSpace = 2;
+               args->mthdbufMem.cacheAttrib = 1;
+               args->internalFlags =
+                       NVDEF(NV_KERNELCHANNEL, ALLOC_INTERNALFLAGS, PRIVILEGE, 
ADMIN) |
+                       NVDEF(NV_KERNELCHANNEL, ALLOC_INTERNALFLAGS, 
ERROR_NOTIFIER_TYPE, NONE) |
+                       NVDEF(NV_KERNELCHANNEL, ALLOC_INTERNALFLAGS, 
ECC_ERROR_NOTIFIER_TYPE, NONE);
+
+               ret = nvkm_gsp_rm_alloc_wr(&golden.chan, args);
+               if (ret)
+                       goto done;
+       }
+
+       /* Fetch context buffer info from RM and allocate each of them here to 
use
+        * during golden context init (or later as a global context buffer).
+        *
+        * Also build the information that'll be used to create channel 
contexts.
+        */
+       info = nvkm_gsp_rm_ctrl_rd(&gsp->internal.device.subdevice,
+                                  
NV2080_CTRL_CMD_INTERNAL_STATIC_KGR_GET_CONTEXT_BUFFERS_INFO,
+                                  sizeof(*info));
+       if (WARN_ON(IS_ERR(info))) {
+               ret = PTR_ERR(info);
+               goto done;
+       }
+
+       for (int i = 0; i < 
ARRAY_SIZE(info->engineContextBuffersInfo[0].engine); i++) {
+               static const struct {
+                       u32     id0; /* 
NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID */
+                       u32     id1; /* NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ID */
+                       bool global;
+                       bool   init;
+                       bool     ro;
+               } map[] = {
+#define _A(n,N,G,I,R) { .id0 = 
NV0080_CTRL_FIFO_GET_ENGINE_CONTEXT_PROPERTIES_ENGINE_ID_##n, \
+                       .id1 = NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ID_##N, \
+                       .global = (G), .init = (I), .ro = (R) }
+#define _B(N,G,I,R) _A(GRAPHICS_##N, N, (G), (I), (R))
+                       /*                                       global   init  
   ro */
+                       _A(           GRAPHICS,             MAIN, false,  true, 
false),
+                       _B(                                PATCH, false,  true, 
false),
+                       _A( GRAPHICS_BUNDLE_CB, BUFFER_BUNDLE_CB,  true, false, 
false),
+                       _B(                             PAGEPOOL,  true, false, 
false),
+                       _B(                         ATTRIBUTE_CB,  true, false, 
false),
+                       _B(                        RTV_CB_GLOBAL,  true, false, 
false),
+                       _B(                           FECS_EVENT,  true,  true, 
false),
+                       _B(                      PRIV_ACCESS_MAP,  true,  true, 
 true),
+#undef _B
+#undef _A
+               };
+               u32 size = info->engineContextBuffersInfo[0].engine[i].size;
+               u8 align, page;
+               int id;
+
+               for (id = 0; id < ARRAY_SIZE(map); id++) {
+                       if (map[id].id0 == i)
+                               break;
+               }
+
+               nvkm_debug(subdev, "%02x: size:0x%08x %s\n", i,
+                          size, (id < ARRAY_SIZE(map)) ? "*" : "");
+               if (id >= ARRAY_SIZE(map))
+                       continue;
+
+               if (map[id].id1 == NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ID_MAIN)
+                       size = ALIGN(size, 0x1000) + 64 * 0x1000; /* per-subctx 
headers */
+
+               if      (size >= 1 << 21) page = 21;
+               else if (size >= 1 << 16) page = 16;
+               else                      page = 12;
+
+               if (map[id].id1 == 
NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ID_ATTRIBUTE_CB)
+                       align = order_base_2(size);
+               else
+                       align = page;
+
+               if (WARN_ON(gr->ctxbuf_nr == ARRAY_SIZE(gr->ctxbuf)))
+                       continue;
+
+               gr->ctxbuf[gr->ctxbuf_nr].bufferId = map[id].id1;
+               gr->ctxbuf[gr->ctxbuf_nr].size     = size;
+               gr->ctxbuf[gr->ctxbuf_nr].page     = page;
+               gr->ctxbuf[gr->ctxbuf_nr].align    = align;
+               gr->ctxbuf[gr->ctxbuf_nr].global   = map[id].global;
+               gr->ctxbuf[gr->ctxbuf_nr].init     = map[id].init;
+               gr->ctxbuf[gr->ctxbuf_nr].ro       = map[id].ro;
+               gr->ctxbuf_nr++;
+
+               if (map[id].id1 == 
NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ID_PRIV_ACCESS_MAP) {
+                       if (WARN_ON(gr->ctxbuf_nr == ARRAY_SIZE(gr->ctxbuf)))
+                               continue;
+
+                       gr->ctxbuf[gr->ctxbuf_nr] = gr->ctxbuf[gr->ctxbuf_nr - 
1];
+                       gr->ctxbuf[gr->ctxbuf_nr].bufferId =
+                               
NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ID_UNRESTRICTED_PRIV_ACCESS_MAP;
+                       gr->ctxbuf_nr++;
+               }
+       }
+
+       nvkm_gsp_rm_ctrl_done(&gsp->internal.device.subdevice, info);
+
+       /* Promote golden context to RM. */
+       ret = r535_gr_promote_ctx(gr, true, golden.vmm, gr->ctxbuf_mem, 
golden.vma, &golden.chan);
+       if (ret)
+               goto done;
+
+       /* Allocate 3D class on channel to trigger golden context init in RM. */
+       {
+               int i;
+
+               for (i = 0; gr->base.func->sclass[i].ctor; i++) {
+                       if ((gr->base.func->sclass[i].oclass & 0xff) == 0x97) {
+                               struct nvkm_gsp_object threed;
+
+                               ret = nvkm_gsp_rm_alloc(&golden.chan, 
0x97000000,
+                                                       
gr->base.func->sclass[i].oclass, 0,
+                                                       &threed);
+                               if (ret)
+                                       goto done;
+
+                               nvkm_gsp_rm_free(&threed);
+                               break;
+                       }
+               }
+
+               if (WARN_ON(!gr->base.func->sclass[i].ctor)) {
+                       ret = -EINVAL;
+                       goto done;
+               }
+       }
+
+done:
+       nvkm_gsp_rm_free(&golden.chan);
+       for (int i = gr->ctxbuf_nr - 1; i >= 0; i--)
+               nvkm_vmm_put(golden.vmm, &golden.vma[i]);
+       nvkm_vmm_unref(&golden.vmm);
+       nvkm_memory_unref(&golden.inst);
+       return ret;
+
+}
+
+static void *
+r535_gr_dtor(struct nvkm_gr *base)
+{
+       struct r535_gr *gr = r535_gr(base);
+
+       while (gr->ctxbuf_nr)
+               nvkm_memory_unref(&gr->ctxbuf_mem[--gr->ctxbuf_nr]);
+
+       kfree(gr->base.func);
+       return gr;
+}
+
+int
+r535_gr_new(const struct gf100_gr_func *hw,
+           struct nvkm_device *device, enum nvkm_subdev_type type, int inst, 
struct nvkm_gr **pgr)
+{
+       struct nvkm_gr_func *rm;
+       struct r535_gr *gr;
+       int nclass;
+
+       for (nclass = 0; hw->sclass[nclass].oclass; nclass++);
+
+       if (!(rm = kzalloc(sizeof(*rm) + (nclass + 1) * sizeof(rm->sclass[0]), 
GFP_KERNEL)))
+               return -ENOMEM;
+
+       rm->dtor = r535_gr_dtor;
+       rm->oneinit = r535_gr_oneinit;
+       rm->units = r535_gr_units;
+       rm->chan_new = r535_gr_chan_new;
+
+       for (int i = 0; i < nclass; i++) {
+               rm->sclass[i].minver = hw->sclass[i].minver;
+               rm->sclass[i].maxver = hw->sclass[i].maxver;
+               rm->sclass[i].oclass = hw->sclass[i].oclass;
+               rm->sclass[i].ctor = r535_gr_obj_ctor;
+       }
+
+       if (!(gr = kzalloc(sizeof(*gr), GFP_KERNEL))) {
+               kfree(rm);
+               return -ENOMEM;
+       }
+
+       *pgr = &gr->base;
+
+       return nvkm_gr_ctor(rm, device, type, inst, true, &gr->base);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/tu102.c 
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/tu102.c
index bda8054c6b59..b7a458e9040a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/tu102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/tu102.c
@@ -219,7 +219,7 @@ int
 tu102_gr_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, 
struct nvkm_gr **pgr)
 {
        if (nvkm_gsp_rm(device->gsp))
-               return -ENODEV;
+               return r535_gr_new(&tu102_gr, device, type, inst, pgr);
 
        return gf100_gr_new_(tu102_gr_fwif, device, type, inst, pgr);
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c 
b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
index f36eed2fb3b7..71b90adb4382 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
@@ -855,6 +855,10 @@ r535_gsp_intr_get_table(struct nvkm_gsp *gsp)
                        type = NVKM_ENGINE_CE;
                        inst = ctrl->table[i].engineIdx - MC_ENGINE_IDX_CE0;
                        break;
+               case MC_ENGINE_IDX_GR0:
+                       type = NVKM_ENGINE_GR;
+                       inst = 0;
+                       break;
                default:
                        continue;
                }
@@ -930,6 +934,13 @@ r535_gsp_rpc_get_gsp_static_info(struct nvkm_gsp *gsp)
                gsp->fb.rsvd_size = gsp->fb.heap.addr - rsvd_base;
        }
 
+       for (int gpc = 0; gpc < ARRAY_SIZE(rpc->tpcInfo); gpc++) {
+               if (rpc->gpcInfo.gpcMask & BIT(gpc)) {
+                       gsp->gr.tpcs += hweight32(rpc->tpcInfo[gpc].tpcMask);
+                       gsp->gr.gpcs++;
+               }
+       }
+
        nvkm_gsp_rpc_done(gsp, rpc);
        return 0;
 }
-- 
2.41.0


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