radv/winsys: Add binary syncobj ABI changes for timeline semaphores.
[mesa.git] / src / amd / vulkan / winsys / amdgpu / radv_amdgpu_cs.c
index fca2e53aa8af5d0dda635069e1ed1ae4ec8f0bdd..2cce43c24605efcdc55ce4330244692309f8d2d5 100644 (file)
@@ -57,7 +57,7 @@ struct radv_amdgpu_cs {
        unsigned                    num_old_ib_buffers;
        unsigned                    max_num_old_ib_buffers;
        unsigned                    *ib_size_ptr;
-       bool                        failed;
+       VkResult                    status;
        bool                        is_chained;
 
        int                         buffer_hash_table[1024];
@@ -110,10 +110,10 @@ struct radv_amdgpu_cs_request {
        uint32_t ring;
 
        /**
-        * List handle with resources used by this request. This is a raw
-        * bo list handle used by the kernel.
+        * BO list handles used by this request.
         */
-       uint32_t resources;
+       struct drm_amdgpu_bo_list_entry *handles;
+       uint32_t num_handles;
 
        /**
         * Number of dependencies this Command submission needs to
@@ -170,6 +170,9 @@ static void radv_amdgpu_request_to_fence(struct radv_amdgpu_ctx *ctx,
 static struct radeon_winsys_fence *radv_amdgpu_create_fence()
 {
        struct radv_amdgpu_fence *fence = calloc(1, sizeof(struct radv_amdgpu_fence));
+       if (!fence)
+               return NULL;
+
        fence->fence.fence = UINT64_MAX;
        return (struct radeon_winsys_fence*)fence;
 }
@@ -324,7 +327,8 @@ radv_amdgpu_cs_create(struct radeon_winsys *ws,
                                                  RADEON_DOMAIN_GTT,
                                                  RADEON_FLAG_CPU_ACCESS |
                                                  RADEON_FLAG_NO_INTERPROCESS_SHARING |
-                                                 RADEON_FLAG_READ_ONLY,
+                                                 RADEON_FLAG_READ_ONLY |
+                                                 RADEON_FLAG_GTT_WC,
                                                  RADV_BO_PRIORITY_CS);
                if (!cs->ib_buffer) {
                        free(cs);
@@ -346,12 +350,13 @@ radv_amdgpu_cs_create(struct radeon_winsys *ws,
 
                ws->cs_add_buffer(&cs->base, cs->ib_buffer);
        } else {
-               cs->base.buf = malloc(16384);
-               cs->base.max_dw = 4096;
-               if (!cs->base.buf) {
+               uint32_t *buf = malloc(16384);
+               if (!buf) {
                        free(cs);
                        return NULL;
                }
+               cs->base.buf = buf;
+               cs->base.max_dw = 4096;
        }
 
        return &cs->base;
@@ -361,7 +366,7 @@ static void radv_amdgpu_cs_grow(struct radeon_cmdbuf *_cs, size_t min_size)
 {
        struct radv_amdgpu_cs *cs = radv_amdgpu_cs(_cs);
 
-       if (cs->failed) {
+       if (cs->status != VK_SUCCESS) {
                cs->base.cdw = 0;
                return;
        }
@@ -377,14 +382,15 @@ static void radv_amdgpu_cs_grow(struct radeon_cmdbuf *_cs, size_t min_size)
                        /* The maximum size in dwords has been reached,
                         * try to allocate a new one.
                         */
-                       cs->old_cs_buffers =
+                       struct radeon_cmdbuf *old_cs_buffers =
                                realloc(cs->old_cs_buffers,
-                                       (cs->num_old_cs_buffers + 1) * sizeof(*cs->old_cs_buffers));
-                       if (!cs->old_cs_buffers) {
-                               cs->failed = true;
+                                       (cs->num_old_cs_buffers + 1) * sizeof(*cs->old_cs_buffers));
+                       if (!old_cs_buffers) {
+                               cs->status = VK_ERROR_OUT_OF_HOST_MEMORY;
                                cs->base.cdw = 0;
                                return;
                        }
+                       cs->old_cs_buffers = old_cs_buffers;
 
                        /* Store the current one for submitting it later. */
                        cs->old_cs_buffers[cs->num_old_cs_buffers].cdw = cs->base.cdw;
@@ -402,7 +408,7 @@ static void radv_amdgpu_cs_grow(struct radeon_cmdbuf *_cs, size_t min_size)
                        if (ib_dws > limit_dws) {
                                fprintf(stderr, "amdgpu: Too high number of "
                                                "dwords to allocate\n");
-                               cs->failed = true;
+                               cs->status = VK_ERROR_OUT_OF_HOST_MEMORY;
                                return;
                        }
                }
@@ -412,7 +418,7 @@ static void radv_amdgpu_cs_grow(struct radeon_cmdbuf *_cs, size_t min_size)
                        cs->base.buf = new_buf;
                        cs->base.max_dw = ib_dws;
                } else {
-                       cs->failed = true;
+                       cs->status = VK_ERROR_OUT_OF_HOST_MEMORY;
                        cs->base.cdw = 0;
                }
                return;
@@ -424,14 +430,22 @@ static void radv_amdgpu_cs_grow(struct radeon_cmdbuf *_cs, size_t min_size)
        ib_size = MIN2(ib_size, 0xfffff);
 
        while (!cs->base.cdw || (cs->base.cdw & 7) != 4)
-               radeon_emit(&cs->base, 0xffff1000);
+               radeon_emit(&cs->base, PKT3_NOP_PAD);
 
        *cs->ib_size_ptr |= cs->base.cdw + 4;
 
        if (cs->num_old_ib_buffers == cs->max_num_old_ib_buffers) {
-               cs->max_num_old_ib_buffers = MAX2(1, cs->max_num_old_ib_buffers * 2);
-               cs->old_ib_buffers = realloc(cs->old_ib_buffers,
-                                            cs->max_num_old_ib_buffers * sizeof(void*));
+               unsigned max_num_old_ib_buffers =
+                       MAX2(1, cs->max_num_old_ib_buffers * 2);
+               struct radeon_winsys_bo **old_ib_buffers =
+                       realloc(cs->old_ib_buffers,
+                               max_num_old_ib_buffers * sizeof(void*));
+               if (!old_ib_buffers) {
+                       cs->status = VK_ERROR_OUT_OF_HOST_MEMORY;
+                       return;
+               }
+               cs->max_num_old_ib_buffers = max_num_old_ib_buffers;
+               cs->old_ib_buffers = old_ib_buffers;
        }
 
        cs->old_ib_buffers[cs->num_old_ib_buffers++] = cs->ib_buffer;
@@ -440,12 +454,13 @@ static void radv_amdgpu_cs_grow(struct radeon_cmdbuf *_cs, size_t min_size)
                                                   RADEON_DOMAIN_GTT,
                                                   RADEON_FLAG_CPU_ACCESS |
                                                   RADEON_FLAG_NO_INTERPROCESS_SHARING |
-                                                  RADEON_FLAG_READ_ONLY,
+                                                  RADEON_FLAG_READ_ONLY |
+                                                  RADEON_FLAG_GTT_WC,
                                                   RADV_BO_PRIORITY_CS);
 
        if (!cs->ib_buffer) {
                cs->base.cdw = 0;
-               cs->failed = true;
+               cs->status = VK_ERROR_OUT_OF_DEVICE_MEMORY;
                cs->ib_buffer = cs->old_ib_buffers[--cs->num_old_ib_buffers];
        }
 
@@ -453,7 +468,9 @@ static void radv_amdgpu_cs_grow(struct radeon_cmdbuf *_cs, size_t min_size)
        if (!cs->ib_mapped) {
                cs->ws->base.buffer_destroy(cs->ib_buffer);
                cs->base.cdw = 0;
-               cs->failed = true;
+
+               /* VK_ERROR_MEMORY_MAP_FAILED is not valid for vkEndCommandBuffer. */
+               cs->status = VK_ERROR_OUT_OF_DEVICE_MEMORY;
                cs->ib_buffer = cs->old_ib_buffers[--cs->num_old_ib_buffers];
        }
 
@@ -472,27 +489,27 @@ static void radv_amdgpu_cs_grow(struct radeon_cmdbuf *_cs, size_t min_size)
 
 }
 
-static bool radv_amdgpu_cs_finalize(struct radeon_cmdbuf *_cs)
+static VkResult radv_amdgpu_cs_finalize(struct radeon_cmdbuf *_cs)
 {
        struct radv_amdgpu_cs *cs = radv_amdgpu_cs(_cs);
 
        if (cs->ws->use_ib_bos) {
                while (!cs->base.cdw || (cs->base.cdw & 7) != 0)
-                       radeon_emit(&cs->base, 0xffff1000);
+                       radeon_emit(&cs->base, PKT3_NOP_PAD);
 
                *cs->ib_size_ptr |= cs->base.cdw;
 
                cs->is_chained = false;
        }
 
-       return !cs->failed;
+       return cs->status;
 }
 
 static void radv_amdgpu_cs_reset(struct radeon_cmdbuf *_cs)
 {
        struct radv_amdgpu_cs *cs = radv_amdgpu_cs(_cs);
        cs->base.cdw = 0;
-       cs->failed = false;
+       cs->status = VK_SUCCESS;
 
        for (unsigned i = 0; i < cs->num_buffers; ++i) {
                unsigned hash = cs->handles[i].bo_handle &
@@ -558,7 +575,7 @@ static void radv_amdgpu_cs_add_buffer_internal(struct radv_amdgpu_cs *cs,
        unsigned hash;
        int index = radv_amdgpu_cs_find_buffer(cs, bo);
 
-       if (index != -1 || cs->failed)
+       if (index != -1)
                return;
 
        if (cs->num_buffers == cs->max_num_buffers) {
@@ -569,7 +586,7 @@ static void radv_amdgpu_cs_add_buffer_internal(struct radv_amdgpu_cs *cs,
                        cs->max_num_buffers = new_count;
                        cs->handles = new_entries;
                } else {
-                       cs->failed = true;
+                       cs->status = VK_ERROR_OUT_OF_HOST_MEMORY;
                        return;
                }
        }
@@ -591,7 +608,14 @@ static void radv_amdgpu_cs_add_virtual_buffer(struct radeon_cmdbuf *_cs,
 
 
        if (!cs->virtual_buffer_hash_table) {
-               cs->virtual_buffer_hash_table = malloc(VIRTUAL_BUFFER_HASH_TABLE_SIZE * sizeof(int));
+               int *virtual_buffer_hash_table =
+                       malloc(VIRTUAL_BUFFER_HASH_TABLE_SIZE * sizeof(int));
+               if (!virtual_buffer_hash_table) {
+                       cs->status = VK_ERROR_OUT_OF_HOST_MEMORY;
+                       return;
+               }
+               cs->virtual_buffer_hash_table = virtual_buffer_hash_table;
+
                for (int i = 0; i < VIRTUAL_BUFFER_HASH_TABLE_SIZE; ++i)
                        cs->virtual_buffer_hash_table[i] = -1;
        }
@@ -610,8 +634,17 @@ static void radv_amdgpu_cs_add_virtual_buffer(struct radeon_cmdbuf *_cs,
        }
 
        if(cs->max_num_virtual_buffers <= cs->num_virtual_buffers) {
-               cs->max_num_virtual_buffers = MAX2(2, cs->max_num_virtual_buffers * 2);
-               cs->virtual_buffers = realloc(cs->virtual_buffers, sizeof(struct radv_amdgpu_virtual_virtual_buffer*) * cs->max_num_virtual_buffers);
+               unsigned max_num_virtual_buffers =
+                       MAX2(2, cs->max_num_virtual_buffers * 2);
+               struct radeon_winsys_bo **virtual_buffers =
+                       realloc(cs->virtual_buffers,
+                               sizeof(struct radv_amdgpu_virtual_virtual_buffer*) * max_num_virtual_buffers);
+               if (!virtual_buffers) {
+                       cs->status = VK_ERROR_OUT_OF_HOST_MEMORY;
+                       return;
+               }
+               cs->max_num_virtual_buffers = max_num_virtual_buffers;
+               cs->virtual_buffers = virtual_buffers;
        }
 
        cs->virtual_buffers[cs->num_virtual_buffers] = bo;
@@ -627,6 +660,9 @@ static void radv_amdgpu_cs_add_buffer(struct radeon_cmdbuf *_cs,
        struct radv_amdgpu_cs *cs = radv_amdgpu_cs(_cs);
        struct radv_amdgpu_winsys_bo *bo = radv_amdgpu_winsys_bo(_bo);
 
+       if (cs->status != VK_SUCCESS)
+               return;
+
        if (bo->is_virtual)  {
                radv_amdgpu_cs_add_virtual_buffer(_cs, _bo);
                return;
@@ -644,6 +680,9 @@ static void radv_amdgpu_cs_execute_secondary(struct radeon_cmdbuf *_parent,
        struct radv_amdgpu_cs *parent = radv_amdgpu_cs(_parent);
        struct radv_amdgpu_cs *child = radv_amdgpu_cs(_child);
 
+       if (parent->status != VK_SUCCESS || child->status != VK_SUCCESS)
+               return;
+
        for (unsigned i = 0; i < child->num_buffers; ++i) {
                radv_amdgpu_cs_add_buffer_internal(parent,
                                                   child->handles[i].bo_handle,
@@ -671,53 +710,55 @@ static void radv_amdgpu_cs_execute_secondary(struct radeon_cmdbuf *_parent,
        }
 }
 
-static int radv_amdgpu_create_bo_list(struct radv_amdgpu_winsys *ws,
-                                     struct radeon_cmdbuf **cs_array,
-                                     unsigned count,
-                                     struct radv_amdgpu_winsys_bo **extra_bo_array,
-                                     unsigned num_extra_bo,
-                                     struct radeon_cmdbuf *extra_cs,
-                                     const struct radv_winsys_bo_list *radv_bo_list,
-                                     uint32_t *bo_list)
+static VkResult
+radv_amdgpu_get_bo_list(struct radv_amdgpu_winsys *ws,
+                       struct radeon_cmdbuf **cs_array,
+                       unsigned count,
+                       struct radv_amdgpu_winsys_bo **extra_bo_array,
+                       unsigned num_extra_bo,
+                       struct radeon_cmdbuf *extra_cs,
+                       const struct radv_winsys_bo_list *radv_bo_list,
+                       unsigned *rnum_handles,
+                       struct drm_amdgpu_bo_list_entry **rhandles)
 {
-       int r = 0;
+       struct drm_amdgpu_bo_list_entry *handles = NULL;
+       unsigned num_handles = 0;
 
        if (ws->debug_all_bos) {
                struct radv_amdgpu_winsys_bo *bo;
-               struct drm_amdgpu_bo_list_entry *handles;
-               unsigned num = 0;
 
                pthread_mutex_lock(&ws->global_bo_list_lock);
 
                handles = malloc(sizeof(handles[0]) * ws->num_buffers);
                if (!handles) {
                        pthread_mutex_unlock(&ws->global_bo_list_lock);
-                       return -ENOMEM;
+                       return VK_ERROR_OUT_OF_HOST_MEMORY;
                }
 
                LIST_FOR_EACH_ENTRY(bo, &ws->global_bo_list, global_list_item) {
-                       assert(num < ws->num_buffers);
-                       handles[num].bo_handle = bo->bo_handle;
-                       handles[num].bo_priority = bo->priority;
-                       num++;
+                       assert(num_handles < ws->num_buffers);
+                       handles[num_handles].bo_handle = bo->bo_handle;
+                       handles[num_handles].bo_priority = bo->priority;
+                       num_handles++;
                }
 
-               r = amdgpu_bo_list_create_raw(ws->dev, ws->num_buffers,
-                                             handles, bo_list);
-               free(handles);
                pthread_mutex_unlock(&ws->global_bo_list_lock);
        } else if (count == 1 && !num_extra_bo && !extra_cs && !radv_bo_list &&
                   !radv_amdgpu_cs(cs_array[0])->num_virtual_buffers) {
                struct radv_amdgpu_cs *cs = (struct radv_amdgpu_cs*)cs_array[0];
-               if (cs->num_buffers == 0) {
-                       *bo_list = 0;
-                       return 0;
-               }
-               r = amdgpu_bo_list_create_raw(ws->dev, cs->num_buffers, cs->handles,
-                                             bo_list);
+               if (cs->num_buffers == 0)
+                       return VK_SUCCESS;
+
+               handles = malloc(sizeof(handles[0]) * cs->num_buffers);
+               if (!handles)
+                       return VK_ERROR_OUT_OF_HOST_MEMORY;
+
+               memcpy(handles, cs->handles,
+                      sizeof(handles[0]) * cs->num_buffers);
+               num_handles = cs->num_buffers;
        } else {
                unsigned total_buffer_count = num_extra_bo;
-               unsigned unique_bo_count = num_extra_bo;
+               num_handles = num_extra_bo;
                for (unsigned i = 0; i < count; ++i) {
                        struct radv_amdgpu_cs *cs = (struct radv_amdgpu_cs*)cs_array[i];
                        total_buffer_count += cs->num_buffers;
@@ -733,13 +774,12 @@ static int radv_amdgpu_create_bo_list(struct radv_amdgpu_winsys *ws,
                        total_buffer_count += radv_bo_list->count;
                }
 
-               if (total_buffer_count == 0) {
-                       *bo_list = 0;
-                       return 0;
-               }
-               struct drm_amdgpu_bo_list_entry *handles = malloc(sizeof(struct drm_amdgpu_bo_list_entry) * total_buffer_count);
+               if (total_buffer_count == 0)
+                       return VK_SUCCESS;
+
+               handles = malloc(sizeof(handles[0]) * total_buffer_count);
                if (!handles)
-                       return -ENOMEM;
+                       return VK_ERROR_OUT_OF_HOST_MEMORY;
 
                for (unsigned i = 0; i < num_extra_bo; i++) {
                        handles[i].bo_handle = extra_bo_array[i]->bo_handle;
@@ -757,12 +797,12 @@ static int radv_amdgpu_create_bo_list(struct radv_amdgpu_winsys *ws,
                        if (!cs->num_buffers)
                                continue;
 
-                       if (unique_bo_count == 0 && !cs->num_virtual_buffers) {
+                       if (num_handles == 0 && !cs->num_virtual_buffers) {
                                memcpy(handles, cs->handles, cs->num_buffers * sizeof(struct drm_amdgpu_bo_list_entry));
-                               unique_bo_count = cs->num_buffers;
+                               num_handles = cs->num_buffers;
                                continue;
                        }
-                       int unique_bo_so_far = unique_bo_count;
+                       int unique_bo_so_far = num_handles;
                        for (unsigned j = 0; j < cs->num_buffers; ++j) {
                                bool found = false;
                                for (unsigned k = 0; k < unique_bo_so_far; ++k) {
@@ -772,8 +812,8 @@ static int radv_amdgpu_create_bo_list(struct radv_amdgpu_winsys *ws,
                                        }
                                }
                                if (!found) {
-                                       handles[unique_bo_count] = cs->handles[j];
-                                       ++unique_bo_count;
+                                       handles[num_handles] = cs->handles[j];
+                                       ++num_handles;
                                }
                        }
                        for (unsigned j = 0; j < cs->num_virtual_buffers; ++j) {
@@ -781,23 +821,23 @@ static int radv_amdgpu_create_bo_list(struct radv_amdgpu_winsys *ws,
                                for(unsigned k = 0; k < virtual_bo->bo_count; ++k) {
                                        struct radv_amdgpu_winsys_bo *bo = virtual_bo->bos[k];
                                        bool found = false;
-                                       for (unsigned m = 0; m < unique_bo_count; ++m) {
+                                       for (unsigned m = 0; m < num_handles; ++m) {
                                                if (handles[m].bo_handle == bo->bo_handle) {
                                                        found = true;
                                                        break;
                                                }
                                        }
                                        if (!found) {
-                                               handles[unique_bo_count].bo_handle = bo->bo_handle;
-                                               handles[unique_bo_count].bo_priority = bo->priority;
-                                               ++unique_bo_count;
+                                               handles[num_handles].bo_handle = bo->bo_handle;
+                                               handles[num_handles].bo_priority = bo->priority;
+                                               ++num_handles;
                                        }
                                }
                        }
                }
 
                if (radv_bo_list) {
-                       unsigned unique_bo_so_far = unique_bo_count;
+                       unsigned unique_bo_so_far = num_handles;
                        for (unsigned i = 0; i < radv_bo_list->count; ++i) {
                                struct radv_amdgpu_winsys_bo *bo = radv_amdgpu_winsys_bo(radv_bo_list->bos[i]);
                                bool found = false;
@@ -808,24 +848,18 @@ static int radv_amdgpu_create_bo_list(struct radv_amdgpu_winsys *ws,
                                        }
                                }
                                if (!found) {
-                                       handles[unique_bo_count].bo_handle = bo->bo_handle;
-                                       handles[unique_bo_count].bo_priority = bo->priority;
-                                       ++unique_bo_count;
+                                       handles[num_handles].bo_handle = bo->bo_handle;
+                                       handles[num_handles].bo_priority = bo->priority;
+                                       ++num_handles;
                                }
                        }
                }
-
-               if (unique_bo_count > 0) {
-                       r = amdgpu_bo_list_create_raw(ws->dev, unique_bo_count, handles,
-                                                     bo_list);
-               } else {
-                       *bo_list = 0;
-               }
-
-               free(handles);
        }
 
-       return r;
+       *rhandles = handles;
+       *rnum_handles = num_handles;
+
+       return VK_SUCCESS;
 }
 
 static struct amdgpu_cs_fence_info radv_set_cs_fence(struct radv_amdgpu_ctx *ctx, int ip_type, int ring)
@@ -846,24 +880,26 @@ static void radv_assign_last_submit(struct radv_amdgpu_ctx *ctx,
                                     request);
 }
 
-static int radv_amdgpu_winsys_cs_submit_chained(struct radeon_winsys_ctx *_ctx,
-                                               int queue_idx,
-                                               struct radv_winsys_sem_info *sem_info,
-                                               const struct radv_winsys_bo_list *radv_bo_list,
-                                               struct radeon_cmdbuf **cs_array,
-                                               unsigned cs_count,
-                                               struct radeon_cmdbuf *initial_preamble_cs,
-                                               struct radeon_cmdbuf *continue_preamble_cs,
-                                               struct radeon_winsys_fence *_fence)
+static VkResult
+radv_amdgpu_winsys_cs_submit_chained(struct radeon_winsys_ctx *_ctx,
+                                    int queue_idx,
+                                    struct radv_winsys_sem_info *sem_info,
+                                    const struct radv_winsys_bo_list *radv_bo_list,
+                                    struct radeon_cmdbuf **cs_array,
+                                    unsigned cs_count,
+                                    struct radeon_cmdbuf *initial_preamble_cs,
+                                    struct radeon_cmdbuf *continue_preamble_cs,
+                                    struct radeon_winsys_fence *_fence)
 {
-       int r;
        struct radv_amdgpu_ctx *ctx = radv_amdgpu_ctx(_ctx);
        struct radv_amdgpu_fence *fence = (struct radv_amdgpu_fence *)_fence;
        struct radv_amdgpu_cs *cs0 = radv_amdgpu_cs(cs_array[0]);
-       uint32_t bo_list;
+       struct drm_amdgpu_bo_list_entry *handles = NULL;
        struct radv_amdgpu_cs_request request = {0};
        struct amdgpu_cs_ib_info ibs[2];
        unsigned number_of_ibs = 1;
+       unsigned num_handles = 0;
+       VkResult result;
 
        for (unsigned i = cs_count; i--;) {
                struct radv_amdgpu_cs *cs = radv_amdgpu_cs(cs_array[i]);
@@ -887,15 +923,12 @@ static int radv_amdgpu_winsys_cs_submit_chained(struct radeon_winsys_ctx *_ctx,
                }
        }
 
-       /* Create a buffer object list. */
-       r = radv_amdgpu_create_bo_list(cs0->ws, cs_array, cs_count, NULL, 0,
-                                      initial_preamble_cs, radv_bo_list,
-                                      &bo_list);
-       if (r) {
-               fprintf(stderr, "amdgpu: buffer list creation failed for the "
-                               "chained submission(%d)\n", r);
-               return r;
-       }
+       /* Get the BO list. */
+       result = radv_amdgpu_get_bo_list(cs0->ws, cs_array, cs_count, NULL, 0,
+                                        initial_preamble_cs, radv_bo_list,
+                                        &num_handles, &handles);
+       if (result != VK_SUCCESS)
+               return result;
 
        /* Configure the CS request. */
        if (initial_preamble_cs) {
@@ -910,50 +943,46 @@ static int radv_amdgpu_winsys_cs_submit_chained(struct radeon_winsys_ctx *_ctx,
        request.ring = queue_idx;
        request.number_of_ibs = number_of_ibs;
        request.ibs = ibs;
-       request.resources = bo_list;
+       request.handles = handles;
+       request.num_handles = num_handles;
        request.fence_info = radv_set_cs_fence(ctx, cs0->hw_ip, queue_idx);
 
        /* Submit the CS. */
-       r = radv_amdgpu_cs_submit(ctx, &request, sem_info);
-       if (r) {
-               if (r == -ENOMEM)
-                       fprintf(stderr, "amdgpu: Not enough memory for command submission.\n");
-               else
-                       fprintf(stderr, "amdgpu: The CS has been rejected, "
-                                       "see dmesg for more information.\n");
-       }
+       result = radv_amdgpu_cs_submit(ctx, &request, sem_info);
 
-       amdgpu_bo_list_destroy_raw(ctx->ws->dev, bo_list);
+       free(request.handles);
 
-       if (r)
-               return r;
+       if (result != VK_SUCCESS)
+               return result;
 
        if (fence)
                radv_amdgpu_request_to_fence(ctx, fence, &request);
 
        radv_assign_last_submit(ctx, &request);
 
-       return 0;
+       return VK_SUCCESS;
 }
 
-static int radv_amdgpu_winsys_cs_submit_fallback(struct radeon_winsys_ctx *_ctx,
-                                                int queue_idx,
-                                                struct radv_winsys_sem_info *sem_info,
-                                                const struct radv_winsys_bo_list *radv_bo_list,
-                                                struct radeon_cmdbuf **cs_array,
-                                                unsigned cs_count,
-                                                struct radeon_cmdbuf *initial_preamble_cs,
-                                                struct radeon_cmdbuf *continue_preamble_cs,
-                                                struct radeon_winsys_fence *_fence)
+static VkResult
+radv_amdgpu_winsys_cs_submit_fallback(struct radeon_winsys_ctx *_ctx,
+                                     int queue_idx,
+                                     struct radv_winsys_sem_info *sem_info,
+                                     const struct radv_winsys_bo_list *radv_bo_list,
+                                     struct radeon_cmdbuf **cs_array,
+                                     unsigned cs_count,
+                                     struct radeon_cmdbuf *initial_preamble_cs,
+                                     struct radeon_cmdbuf *continue_preamble_cs,
+                                     struct radeon_winsys_fence *_fence)
 {
-       int r;
        struct radv_amdgpu_ctx *ctx = radv_amdgpu_ctx(_ctx);
        struct radv_amdgpu_fence *fence = (struct radv_amdgpu_fence *)_fence;
-       uint32_t bo_list;
+       struct drm_amdgpu_bo_list_entry *handles = NULL;
        struct radv_amdgpu_cs_request request = {};
        struct amdgpu_cs_ib_info *ibs;
        struct radv_amdgpu_cs *cs0;
+       unsigned num_handles = 0;
        unsigned number_of_ibs;
+       VkResult result;
 
        assert(cs_count);
        cs0 = radv_amdgpu_cs(cs_array[0]);
@@ -961,20 +990,17 @@ static int radv_amdgpu_winsys_cs_submit_fallback(struct radeon_winsys_ctx *_ctx,
        /* Compute the number of IBs for this submit. */
        number_of_ibs = cs_count + !!initial_preamble_cs;
 
-       /* Create a buffer object list. */
-       r = radv_amdgpu_create_bo_list(cs0->ws, &cs_array[0], cs_count, NULL, 0,
-                                      initial_preamble_cs, radv_bo_list,
-                                      &bo_list);
-       if (r) {
-               fprintf(stderr, "amdgpu: buffer list creation failed "
-                               "for the fallback submission (%d)\n", r);
-               return r;
-       }
+       /* Get the BO list. */
+       result = radv_amdgpu_get_bo_list(cs0->ws, &cs_array[0], cs_count, NULL, 0,
+                                        initial_preamble_cs, radv_bo_list,
+                                        &num_handles, &handles);
+       if (result != VK_SUCCESS)
+               return result;
 
        ibs = malloc(number_of_ibs * sizeof(*ibs));
        if (!ibs) {
-               amdgpu_bo_list_destroy_raw(ctx->ws->dev, bo_list);
-               return -ENOMEM;
+               free(request.handles);
+               return VK_ERROR_OUT_OF_HOST_MEMORY;
        }
 
        /* Configure the CS request. */
@@ -994,54 +1020,48 @@ static int radv_amdgpu_winsys_cs_submit_fallback(struct radeon_winsys_ctx *_ctx,
 
        request.ip_type = cs0->hw_ip;
        request.ring = queue_idx;
-       request.resources = bo_list;
+       request.handles = handles;
+       request.num_handles = num_handles;
        request.number_of_ibs = number_of_ibs;
        request.ibs = ibs;
        request.fence_info = radv_set_cs_fence(ctx, cs0->hw_ip, queue_idx);
 
        /* Submit the CS. */
-       r = radv_amdgpu_cs_submit(ctx, &request, sem_info);
-       if (r) {
-               if (r == -ENOMEM)
-                       fprintf(stderr, "amdgpu: Not enough memory for command submission.\n");
-               else
-                       fprintf(stderr, "amdgpu: The CS has been rejected, "
-                                       "see dmesg for more information.\n");
-       }
+       result = radv_amdgpu_cs_submit(ctx, &request, sem_info);
 
-       amdgpu_bo_list_destroy_raw(ctx->ws->dev, bo_list);
+       free(request.handles);
        free(ibs);
 
-       if (r)
-               return r;
+       if (result != VK_SUCCESS)
+               return result;
 
        if (fence)
                radv_amdgpu_request_to_fence(ctx, fence, &request);
 
        radv_assign_last_submit(ctx, &request);
 
-       return 0;
+       return VK_SUCCESS;
 }
 
-static int radv_amdgpu_winsys_cs_submit_sysmem(struct radeon_winsys_ctx *_ctx,
-                                              int queue_idx,
-                                              struct radv_winsys_sem_info *sem_info,
-                                              const struct radv_winsys_bo_list *radv_bo_list,
-                                              struct radeon_cmdbuf **cs_array,
-                                              unsigned cs_count,
-                                              struct radeon_cmdbuf *initial_preamble_cs,
-                                              struct radeon_cmdbuf *continue_preamble_cs,
-                                              struct radeon_winsys_fence *_fence)
+static VkResult
+radv_amdgpu_winsys_cs_submit_sysmem(struct radeon_winsys_ctx *_ctx,
+                                   int queue_idx,
+                                   struct radv_winsys_sem_info *sem_info,
+                                   const struct radv_winsys_bo_list *radv_bo_list,
+                                   struct radeon_cmdbuf **cs_array,
+                                   unsigned cs_count,
+                                   struct radeon_cmdbuf *initial_preamble_cs,
+                                   struct radeon_cmdbuf *continue_preamble_cs,
+                                   struct radeon_winsys_fence *_fence)
 {
-       int r;
        struct radv_amdgpu_ctx *ctx = radv_amdgpu_ctx(_ctx);
        struct radv_amdgpu_fence *fence = (struct radv_amdgpu_fence *)_fence;
        struct radv_amdgpu_cs *cs0 = radv_amdgpu_cs(cs_array[0]);
        struct radeon_winsys *ws = (struct radeon_winsys*)cs0->ws;
-       uint32_t bo_list;
        struct radv_amdgpu_cs_request request;
-       uint32_t pad_word = 0xffff1000U;
+       uint32_t pad_word = PKT3_NOP_PAD;
        bool emit_signal_sem = sem_info->cs_emit_signal;
+       VkResult result;
 
        if (radv_amdgpu_winsys(ws)->info.chip_class == GFX6)
                pad_word = 0x80000000;
@@ -1053,6 +1073,8 @@ static int radv_amdgpu_winsys_cs_submit_sysmem(struct radeon_winsys_ctx *_ctx,
                struct radeon_winsys_bo **bos;
                struct radeon_cmdbuf *preamble_cs = i ? continue_preamble_cs : initial_preamble_cs;
                struct radv_amdgpu_cs *cs = radv_amdgpu_cs(cs_array[i]);
+               struct drm_amdgpu_bo_list_entry *handles = NULL;
+               unsigned num_handles = 0;
                unsigned number_of_ibs;
                uint32_t *ptr;
                unsigned cnt = 0;
@@ -1064,12 +1086,12 @@ static int radv_amdgpu_winsys_cs_submit_sysmem(struct radeon_winsys_ctx *_ctx,
 
                ibs = malloc(number_of_ibs * sizeof(*ibs));
                if (!ibs)
-                       return -ENOMEM;
+                       return VK_ERROR_OUT_OF_HOST_MEMORY;
 
                bos = malloc(number_of_ibs * sizeof(*bos));
                if (!bos) {
                        free(ibs);
-                       return -ENOMEM;
+                       return VK_ERROR_OUT_OF_HOST_MEMORY;
                }
 
                if (number_of_ibs > 1) {
@@ -1173,38 +1195,31 @@ static int radv_amdgpu_winsys_cs_submit_sysmem(struct radeon_winsys_ctx *_ctx,
                        ibs[0].flags = 0;
                }
 
-               r = radv_amdgpu_create_bo_list(cs0->ws, &cs_array[i], cnt,
-                                              (struct radv_amdgpu_winsys_bo **)bos,
-                                              number_of_ibs, preamble_cs,
-                                              radv_bo_list, &bo_list);
-               if (r) {
-                       fprintf(stderr, "amdgpu: buffer list creation failed "
-                                       "for the sysmem submission (%d)\n", r);
+               result = radv_amdgpu_get_bo_list(cs0->ws, &cs_array[i], cnt,
+                                                (struct radv_amdgpu_winsys_bo **)bos,
+                                                number_of_ibs, preamble_cs,
+                                                radv_bo_list,
+                                                &num_handles, &handles);
+               if (result != VK_SUCCESS) {
                        free(ibs);
                        free(bos);
-                       return r;
+                       return result;
                }
 
                memset(&request, 0, sizeof(request));
 
                request.ip_type = cs0->hw_ip;
                request.ring = queue_idx;
-               request.resources = bo_list;
+               request.handles = handles;
+               request.num_handles = num_handles;
                request.number_of_ibs = number_of_ibs;
                request.ibs = ibs;
                request.fence_info = radv_set_cs_fence(ctx, cs0->hw_ip, queue_idx);
 
                sem_info->cs_emit_signal = (i == cs_count - cnt) ? emit_signal_sem : false;
-               r = radv_amdgpu_cs_submit(ctx, &request, sem_info);
-               if (r) {
-                       if (r == -ENOMEM)
-                               fprintf(stderr, "amdgpu: Not enough memory for command submission.\n");
-                       else
-                               fprintf(stderr, "amdgpu: The CS has been rejected, "
-                                               "see dmesg for more information.\n");
-               }
+               result = radv_amdgpu_cs_submit(ctx, &request, sem_info);
 
-               amdgpu_bo_list_destroy_raw(ctx->ws->dev, bo_list);
+               free(request.handles);
 
                for (unsigned j = 0; j < number_of_ibs; j++) {
                        ws->buffer_destroy(bos[j]);
@@ -1213,8 +1228,8 @@ static int radv_amdgpu_winsys_cs_submit_sysmem(struct radeon_winsys_ctx *_ctx,
                free(ibs);
                free(bos);
 
-               if (r)
-                       return r;
+               if (result != VK_SUCCESS)
+                       return result;
 
                i += cnt;
        }
@@ -1223,38 +1238,38 @@ static int radv_amdgpu_winsys_cs_submit_sysmem(struct radeon_winsys_ctx *_ctx,
 
        radv_assign_last_submit(ctx, &request);
 
-       return 0;
+       return VK_SUCCESS;
 }
 
-static int radv_amdgpu_winsys_cs_submit(struct radeon_winsys_ctx *_ctx,
-                                       int queue_idx,
-                                       struct radeon_cmdbuf **cs_array,
-                                       unsigned cs_count,
-                                       struct radeon_cmdbuf *initial_preamble_cs,
-                                       struct radeon_cmdbuf *continue_preamble_cs,
-                                       struct radv_winsys_sem_info *sem_info,
-                                       const struct radv_winsys_bo_list *bo_list,
-                                       bool can_patch,
-                                       struct radeon_winsys_fence *_fence)
+static VkResult radv_amdgpu_winsys_cs_submit(struct radeon_winsys_ctx *_ctx,
+                                            int queue_idx,
+                                            struct radeon_cmdbuf **cs_array,
+                                            unsigned cs_count,
+                                            struct radeon_cmdbuf *initial_preamble_cs,
+                                            struct radeon_cmdbuf *continue_preamble_cs,
+                                            struct radv_winsys_sem_info *sem_info,
+                                            const struct radv_winsys_bo_list *bo_list,
+                                            bool can_patch,
+                                            struct radeon_winsys_fence *_fence)
 {
        struct radv_amdgpu_cs *cs = radv_amdgpu_cs(cs_array[0]);
        struct radv_amdgpu_ctx *ctx = radv_amdgpu_ctx(_ctx);
-       int ret;
+       VkResult result;
 
        assert(sem_info);
        if (!cs->ws->use_ib_bos) {
-               ret = radv_amdgpu_winsys_cs_submit_sysmem(_ctx, queue_idx, sem_info, bo_list, cs_array,
-                                                          cs_count, initial_preamble_cs, continue_preamble_cs, _fence);
+               result = radv_amdgpu_winsys_cs_submit_sysmem(_ctx, queue_idx, sem_info, bo_list, cs_array,
+                                                            cs_count, initial_preamble_cs, continue_preamble_cs, _fence);
        } else if (can_patch) {
-               ret = radv_amdgpu_winsys_cs_submit_chained(_ctx, queue_idx, sem_info, bo_list, cs_array,
-                                                           cs_count, initial_preamble_cs, continue_preamble_cs, _fence);
+               result = radv_amdgpu_winsys_cs_submit_chained(_ctx, queue_idx, sem_info, bo_list, cs_array,
+                                                             cs_count, initial_preamble_cs, continue_preamble_cs, _fence);
        } else {
-               ret = radv_amdgpu_winsys_cs_submit_fallback(_ctx, queue_idx, sem_info, bo_list, cs_array,
-                                                            cs_count, initial_preamble_cs, continue_preamble_cs, _fence);
+               result = radv_amdgpu_winsys_cs_submit_fallback(_ctx, queue_idx, sem_info, bo_list, cs_array,
+                                                              cs_count, initial_preamble_cs, continue_preamble_cs, _fence);
        }
 
        radv_amdgpu_signal_sems(ctx, cs->hw_ip, queue_idx, sem_info);
-       return ret;
+       return result;
 }
 
 static void *radv_amdgpu_winsys_get_cpu_addr(void *_cs, uint64_t addr)
@@ -1339,11 +1354,11 @@ static VkResult radv_amdgpu_ctx_create(struct radeon_winsys *_ws,
        r = amdgpu_cs_ctx_create2(ws->dev, amdgpu_priority, &ctx->ctx);
        if (r && r == -EACCES) {
                result = VK_ERROR_NOT_PERMITTED_EXT;
-               goto error_create;
+               goto fail_create;
        } else if (r) {
                fprintf(stderr, "amdgpu: radv_amdgpu_cs_ctx_create2 failed. (%i)\n", r);
                result = VK_ERROR_OUT_OF_HOST_MEMORY;
-               goto error_create;
+               goto fail_create;
        }
        ctx->ws = ws;
 
@@ -1353,14 +1368,27 @@ static VkResult radv_amdgpu_ctx_create(struct radeon_winsys *_ws,
                                              RADEON_FLAG_CPU_ACCESS |
                                              RADEON_FLAG_NO_INTERPROCESS_SHARING,
                                              RADV_BO_PRIORITY_CS);
-       if (ctx->fence_bo)
-               ctx->fence_map = (uint64_t*)ws->base.buffer_map(ctx->fence_bo);
-       if (ctx->fence_map)
-               memset(ctx->fence_map, 0, 4096);
+       if (!ctx->fence_bo) {
+               result = VK_ERROR_OUT_OF_DEVICE_MEMORY;
+               goto fail_alloc;
+       }
+
+       ctx->fence_map = (uint64_t *)ws->base.buffer_map(ctx->fence_bo);
+       if (!ctx->fence_map) {
+               result = VK_ERROR_OUT_OF_DEVICE_MEMORY;
+               goto fail_map;
+       }
+
+       memset(ctx->fence_map, 0, 4096);
 
        *rctx = (struct radeon_winsys_ctx *)ctx;
        return VK_SUCCESS;
-error_create:
+
+fail_map:
+       ws->base.buffer_destroy(ctx->fence_bo);
+fail_alloc:
+       amdgpu_cs_ctx_free(ctx->ctx);
+fail_create:
        FREE(ctx);
        return result;
 }
@@ -1423,15 +1451,17 @@ static int radv_amdgpu_signal_sems(struct radv_amdgpu_ctx *ctx,
 }
 
 static struct drm_amdgpu_cs_chunk_sem *radv_amdgpu_cs_alloc_syncobj_chunk(struct radv_winsys_sem_counts *counts,
+                                                                         const uint32_t *syncobj_override,
                                                                          struct drm_amdgpu_cs_chunk *chunk, int chunk_id)
 {
+       const uint32_t *src = syncobj_override ? syncobj_override : counts->syncobj;
        struct drm_amdgpu_cs_chunk_sem *syncobj = malloc(sizeof(struct drm_amdgpu_cs_chunk_sem) * counts->syncobj_count);
        if (!syncobj)
                return NULL;
 
        for (unsigned i = 0; i < counts->syncobj_count; i++) {
                struct drm_amdgpu_cs_chunk_sem *sem = &syncobj[i];
-               sem->handle = counts->syncobj[i];
+               sem->handle = src[i];
        }
 
        chunk->chunk_id = chunk_id;
@@ -1440,9 +1470,105 @@ static struct drm_amdgpu_cs_chunk_sem *radv_amdgpu_cs_alloc_syncobj_chunk(struct
        return syncobj;
 }
 
-static int radv_amdgpu_cs_submit(struct radv_amdgpu_ctx *ctx,
-                                struct radv_amdgpu_cs_request *request,
-                                struct radv_winsys_sem_info *sem_info)
+static int radv_amdgpu_cache_alloc_syncobjs(struct radv_amdgpu_winsys *ws, unsigned count, uint32_t *dst)
+{
+       pthread_mutex_lock(&ws->syncobj_lock);
+       if (count > ws->syncobj_capacity) {
+               if (ws->syncobj_capacity > UINT32_MAX / 2)
+                       goto fail;
+
+               unsigned new_capacity = MAX2(count, ws->syncobj_capacity * 2);
+               uint32_t *n = realloc(ws->syncobj, new_capacity * sizeof(*ws->syncobj));
+               if (!n)
+                       goto fail;
+               ws->syncobj_capacity = new_capacity;
+               ws->syncobj = n;
+       }
+
+       while(ws->syncobj_count < count) {
+               int r = amdgpu_cs_create_syncobj(ws->dev, ws->syncobj + ws->syncobj_count);
+               if (r)
+                       goto fail;
+               ++ws->syncobj_count;
+       }
+
+       for (unsigned i = 0; i < count; ++i)
+               dst[i] = ws->syncobj[--ws->syncobj_count];
+
+       pthread_mutex_unlock(&ws->syncobj_lock);
+       return 0;
+
+fail:
+       pthread_mutex_unlock(&ws->syncobj_lock);
+       return -ENOMEM;
+}
+
+static void radv_amdgpu_cache_free_syncobjs(struct radv_amdgpu_winsys *ws, unsigned count, uint32_t *src)
+{
+       pthread_mutex_lock(&ws->syncobj_lock);
+
+       uint32_t cache_count = MIN2(count, UINT32_MAX - ws->syncobj_count);
+       if (cache_count + ws->syncobj_count > ws->syncobj_capacity) {
+               unsigned new_capacity = MAX2(ws->syncobj_count + cache_count, ws->syncobj_capacity * 2);
+               uint32_t* n = realloc(ws->syncobj, new_capacity * sizeof(*ws->syncobj));
+               if (n) {
+                       ws->syncobj_capacity = new_capacity;
+                       ws->syncobj = n;
+               }
+       }
+
+       for (unsigned i = 0; i < count; ++i) {
+               if (ws->syncobj_count < ws->syncobj_capacity)
+                       ws->syncobj[ws->syncobj_count++] = src[i];
+               else
+                       amdgpu_cs_destroy_syncobj(ws->dev, src[i]);
+       }
+
+       pthread_mutex_unlock(&ws->syncobj_lock);
+
+}
+
+static int radv_amdgpu_cs_prepare_syncobjs(struct radv_amdgpu_winsys *ws,
+                                           struct radv_winsys_sem_counts *counts,
+                                           uint32_t **out_syncobjs)
+{
+       int r = 0;
+
+       if (!ws->info.has_timeline_syncobj || !counts->syncobj_count) {
+               *out_syncobjs = NULL;
+               return 0;
+       }
+
+       *out_syncobjs = malloc(counts->syncobj_count * sizeof(**out_syncobjs));
+       if (!*out_syncobjs)
+               return -ENOMEM;
+
+       r = radv_amdgpu_cache_alloc_syncobjs(ws, counts->syncobj_count, *out_syncobjs);
+       if (r)
+               return r;
+       
+       for (unsigned i = 0; i < counts->syncobj_count; ++i) {
+               r = amdgpu_cs_syncobj_transfer(ws->dev, (*out_syncobjs)[i], 0, counts->syncobj[i], 0, DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT);
+               if (r)
+                       goto fail;
+       }
+
+       r = amdgpu_cs_syncobj_reset(ws->dev, counts->syncobj, counts->syncobj_reset_count);
+       if (r)
+               goto fail;
+
+       return 0;
+fail:
+       radv_amdgpu_cache_free_syncobjs(ws, counts->syncobj_count, *out_syncobjs);
+       free(*out_syncobjs);
+       *out_syncobjs = NULL;
+       return r;
+}
+
+static VkResult
+radv_amdgpu_cs_submit(struct radv_amdgpu_ctx *ctx,
+                     struct radv_amdgpu_cs_request *request,
+                     struct radv_winsys_sem_info *sem_info)
 {
        int r;
        int num_chunks;
@@ -1452,17 +1578,28 @@ static int radv_amdgpu_cs_submit(struct radv_amdgpu_ctx *ctx,
        struct drm_amdgpu_cs_chunk_data *chunk_data;
        struct drm_amdgpu_cs_chunk_dep *sem_dependencies = NULL;
        struct drm_amdgpu_cs_chunk_sem *wait_syncobj = NULL, *signal_syncobj = NULL;
+       bool use_bo_list_create = ctx->ws->info.drm_minor < 27;
+       struct drm_amdgpu_bo_list_in bo_list_in;
+       uint32_t *in_syncobjs = NULL;
        int i;
        struct amdgpu_cs_fence *sem;
+       uint32_t bo_list = 0;
+       VkResult result = VK_SUCCESS;
 
        user_fence = (request->fence_info.handle != NULL);
-       size = request->number_of_ibs + (user_fence ? 2 : 1) + 3;
+       size = request->number_of_ibs + (user_fence ? 2 : 1) + (!use_bo_list_create ? 1 : 0) + 3;
 
-       chunks = alloca(sizeof(struct drm_amdgpu_cs_chunk) * size);
+       chunks = malloc(sizeof(chunks[0]) * size);
+       if (!chunks)
+               return VK_ERROR_OUT_OF_HOST_MEMORY;
 
        size = request->number_of_ibs + (user_fence ? 1 : 0);
 
-       chunk_data = alloca(sizeof(struct drm_amdgpu_cs_chunk_data) * size);
+       chunk_data = malloc(sizeof(chunk_data[0]) * size);
+       if (!chunk_data) {
+               result = VK_ERROR_OUT_OF_HOST_MEMORY;
+               goto error_out;
+       }
 
        num_chunks = request->number_of_ibs;
        for (i = 0; i < request->number_of_ibs; i++) {
@@ -1494,11 +1631,16 @@ static int radv_amdgpu_cs_submit(struct radv_amdgpu_ctx *ctx,
        }
 
        if (sem_info->wait.syncobj_count && sem_info->cs_emit_wait) {
+               r = radv_amdgpu_cs_prepare_syncobjs(ctx->ws, &sem_info->wait, &in_syncobjs);
+               if (r)
+                       goto error_out;
+
                wait_syncobj = radv_amdgpu_cs_alloc_syncobj_chunk(&sem_info->wait,
+                                                                 in_syncobjs,
                                                                  &chunks[num_chunks],
                                                                  AMDGPU_CHUNK_ID_SYNCOBJ_IN);
                if (!wait_syncobj) {
-                       r = -ENOMEM;
+                       result = VK_ERROR_OUT_OF_HOST_MEMORY;
                        goto error_out;
                }
                num_chunks++;
@@ -1509,7 +1651,12 @@ static int radv_amdgpu_cs_submit(struct radv_amdgpu_ctx *ctx,
        }
 
        if (sem_info->wait.sem_count && sem_info->cs_emit_wait) {
-               sem_dependencies = alloca(sizeof(struct drm_amdgpu_cs_chunk_dep) * sem_info->wait.sem_count);
+               sem_dependencies = malloc(sizeof(sem_dependencies[0]) * sem_info->wait.sem_count);
+               if (!sem_dependencies) {
+                       result = VK_ERROR_OUT_OF_HOST_MEMORY;
+                       goto error_out;
+               }
+
                int sem_count = 0;
 
                for (unsigned j = 0; j < sem_info->wait.sem_count; j++) {
@@ -1534,32 +1681,94 @@ static int radv_amdgpu_cs_submit(struct radv_amdgpu_ctx *ctx,
 
        if (sem_info->signal.syncobj_count && sem_info->cs_emit_signal) {
                signal_syncobj = radv_amdgpu_cs_alloc_syncobj_chunk(&sem_info->signal,
+                                                                   NULL,
                                                                    &chunks[num_chunks],
                                                                    AMDGPU_CHUNK_ID_SYNCOBJ_OUT);
                if (!signal_syncobj) {
-                       r = -ENOMEM;
+                       result = VK_ERROR_OUT_OF_HOST_MEMORY;
+                       goto error_out;
+               }
+               num_chunks++;
+       }
+
+       if (use_bo_list_create) {
+               /* Legacy path creating the buffer list handle and passing it
+                * to the CS ioctl.
+                */
+               r = amdgpu_bo_list_create_raw(ctx->ws->dev, request->num_handles,
+                                             request->handles, &bo_list);
+               if (r) {
+                       if (r == -ENOMEM) {
+                               fprintf(stderr, "amdgpu: Not enough memory for buffer list creation.\n");
+                               result = VK_ERROR_OUT_OF_HOST_MEMORY;
+                       } else {
+                               fprintf(stderr, "amdgpu: buffer list creation failed (%d).\n", r);
+                               result = VK_ERROR_UNKNOWN;
+                       }
                        goto error_out;
                }
+       } else {
+               /* Standard path passing the buffer list via the CS ioctl. */
+               bo_list_in.operation = ~0;
+               bo_list_in.list_handle = ~0;
+               bo_list_in.bo_number = request->num_handles;
+               bo_list_in.bo_info_size = sizeof(struct drm_amdgpu_bo_list_entry);
+               bo_list_in.bo_info_ptr = (uint64_t)(uintptr_t)request->handles;
+
+               chunks[num_chunks].chunk_id = AMDGPU_CHUNK_ID_BO_HANDLES;
+               chunks[num_chunks].length_dw = sizeof(struct drm_amdgpu_bo_list_in) / 4;
+               chunks[num_chunks].chunk_data = (uintptr_t)&bo_list_in;
                num_chunks++;
        }
 
        r = amdgpu_cs_submit_raw2(ctx->ws->dev,
                                 ctx->ctx,
-                                request->resources,
+                                bo_list,
                                 num_chunks,
                                 chunks,
                                 &request->seq_no);
+
+       if (bo_list)
+               amdgpu_bo_list_destroy_raw(ctx->ws->dev, bo_list);
+
+       if (r) {
+               if (r == -ENOMEM) {
+                       fprintf(stderr, "amdgpu: Not enough memory for command submission.\n");
+                       result = VK_ERROR_OUT_OF_HOST_MEMORY;
+               } else if (r == -ECANCELED) {
+                       fprintf(stderr, "amdgpu: The CS has been cancelled because the context is lost.\n");
+                       result = VK_ERROR_DEVICE_LOST;
+               } else {
+                       fprintf(stderr, "amdgpu: The CS has been rejected, "
+                                       "see dmesg for more information (%i).\n", r);
+                       result = VK_ERROR_UNKNOWN;
+               }
+       }
+
 error_out:
+       if (in_syncobjs) {
+               radv_amdgpu_cache_free_syncobjs(ctx->ws, sem_info->wait.syncobj_count, in_syncobjs);
+               free(in_syncobjs);
+       }
+       free(chunks);
+       free(chunk_data);
+       free(sem_dependencies);
        free(wait_syncobj);
        free(signal_syncobj);
-       return r;
+       return result;
 }
 
 static int radv_amdgpu_create_syncobj(struct radeon_winsys *_ws,
+                                     bool create_signaled,
                                      uint32_t *handle)
 {
        struct radv_amdgpu_winsys *ws = radv_amdgpu_winsys(_ws);
-       return amdgpu_cs_create_syncobj(ws->dev, handle);
+       uint32_t flags = 0;
+
+       if (create_signaled)
+               flags |= DRM_SYNCOBJ_CREATE_SIGNALED;
+
+       return amdgpu_cs_create_syncobj2(ws->dev, flags, handle);
 }
 
 static void radv_amdgpu_destroy_syncobj(struct radeon_winsys *_ws,