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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c347
1 files changed, 251 insertions, 96 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 2b931e855abd..15d561e3d87f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -162,13 +162,25 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo,
*placement = abo->placement;
}
+static struct dma_fence *
+amdgpu_ttm_job_submit(struct amdgpu_device *adev, struct amdgpu_job *job, u32 num_dw)
+{
+ struct amdgpu_ring *ring;
+
+ ring = adev->mman.buffer_funcs_ring;
+ amdgpu_ring_pad_ib(ring, &job->ibs[0]);
+ WARN_ON(job->ibs[0].length_dw > num_dw);
+
+ return amdgpu_job_submit(job);
+}
+
/**
* amdgpu_ttm_map_buffer - Map memory into the GART windows
+ * @entity: entity to run the window setup job
* @bo: buffer object to map
* @mem: memory object to map
* @mm_cur: range to map
* @window: which GART window to use
- * @ring: DMA ring to use for the copy
* @tmz: if we should setup a TMZ enabled mapping
* @size: in number of bytes to map, out number of bytes mapped
* @addr: resulting address inside the MC address space
@@ -176,13 +188,14 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo,
* Setup one of the GART windows to access a specific piece of memory or return
* the physical address for local memory.
*/
-static int amdgpu_ttm_map_buffer(struct ttm_buffer_object *bo,
+static int amdgpu_ttm_map_buffer(struct amdgpu_ttm_buffer_entity *entity,
+ struct ttm_buffer_object *bo,
struct ttm_resource *mem,
struct amdgpu_res_cursor *mm_cur,
- unsigned int window, struct amdgpu_ring *ring,
+ unsigned int window,
bool tmz, uint64_t *size, uint64_t *addr)
{
- struct amdgpu_device *adev = ring->adev;
+ struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev);
unsigned int offset, num_pages, num_dw, num_bytes;
uint64_t src_addr, dst_addr;
struct amdgpu_job *job;
@@ -223,7 +236,7 @@ static int amdgpu_ttm_map_buffer(struct ttm_buffer_object *bo,
num_dw = ALIGN(adev->mman.buffer_funcs->copy_num_dw, 8);
num_bytes = num_pages * 8 * AMDGPU_GPU_PAGES_IN_CPU_PAGE;
- r = amdgpu_job_alloc_with_ib(adev, &adev->mman.high_pr,
+ r = amdgpu_job_alloc_with_ib(adev, &entity->base,
AMDGPU_FENCE_OWNER_UNDEFINED,
num_dw * 4 + num_bytes,
AMDGPU_IB_POOL_DELAYED, &job,
@@ -239,9 +252,6 @@ static int amdgpu_ttm_map_buffer(struct ttm_buffer_object *bo,
amdgpu_emit_copy_buffer(adev, &job->ibs[0], src_addr,
dst_addr, num_bytes, 0);
- amdgpu_ring_pad_ib(ring, &job->ibs[0]);
- WARN_ON(job->ibs[0].length_dw > num_dw);
-
flags = amdgpu_ttm_tt_pte_flags(adev, bo->ttm, mem);
if (tmz)
flags |= AMDGPU_PTE_TMZ;
@@ -259,13 +269,14 @@ static int amdgpu_ttm_map_buffer(struct ttm_buffer_object *bo,
amdgpu_gart_map_vram_range(adev, pa, 0, num_pages, flags, cpu_addr);
}
- dma_fence_put(amdgpu_job_submit(job));
+ dma_fence_put(amdgpu_ttm_job_submit(adev, job, num_dw));
return 0;
}
/**
* amdgpu_ttm_copy_mem_to_mem - Helper function for copy
* @adev: amdgpu device
+ * @entity: entity to run the jobs
* @src: buffer/address where to read from
* @dst: buffer/address where to write to
* @size: number of bytes to copy
@@ -280,13 +291,13 @@ static int amdgpu_ttm_map_buffer(struct ttm_buffer_object *bo,
*/
__attribute__((nonnull))
static int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev,
+ struct amdgpu_ttm_buffer_entity *entity,
const struct amdgpu_copy_mem *src,
const struct amdgpu_copy_mem *dst,
uint64_t size, bool tmz,
struct dma_resv *resv,
struct dma_fence **f)
{
- struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
struct amdgpu_res_cursor src_mm, dst_mm;
struct dma_fence *fence = NULL;
int r = 0;
@@ -312,13 +323,13 @@ static int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev,
cur_size = min3(src_mm.size, dst_mm.size, 256ULL << 20);
/* Map src to window 0 and dst to window 1. */
- r = amdgpu_ttm_map_buffer(src->bo, src->mem, &src_mm,
- 0, ring, tmz, &cur_size, &from);
+ r = amdgpu_ttm_map_buffer(entity, src->bo, src->mem, &src_mm,
+ 0, tmz, &cur_size, &from);
if (r)
goto error;
- r = amdgpu_ttm_map_buffer(dst->bo, dst->mem, &dst_mm,
- 1, ring, tmz, &cur_size, &to);
+ r = amdgpu_ttm_map_buffer(entity, dst->bo, dst->mem, &dst_mm,
+ 1, tmz, &cur_size, &to);
if (r)
goto error;
@@ -345,8 +356,8 @@ static int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev,
write_compress_disable));
}
- r = amdgpu_copy_buffer(ring, from, to, cur_size, resv,
- &next, false, true, copy_flags);
+ r = amdgpu_copy_buffer(adev, entity, from, to, cur_size, resv,
+ &next, true, copy_flags);
if (r)
goto error;
@@ -386,7 +397,9 @@ static int amdgpu_move_blit(struct ttm_buffer_object *bo,
src.offset = 0;
dst.offset = 0;
- r = amdgpu_ttm_copy_mem_to_mem(adev, &src, &dst,
+ r = amdgpu_ttm_copy_mem_to_mem(adev,
+ &adev->mman.move_entity,
+ &src, &dst,
new_mem->size,
amdgpu_bo_encrypted(abo),
bo->base.resv, &fence);
@@ -398,8 +411,9 @@ static int amdgpu_move_blit(struct ttm_buffer_object *bo,
(abo->flags & AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE)) {
struct dma_fence *wipe_fence = NULL;
- r = amdgpu_fill_buffer(abo, 0, NULL, &wipe_fence,
- false, AMDGPU_KERNEL_JOB_ID_MOVE_BLIT);
+ r = amdgpu_fill_buffer(&adev->mman.move_entity,
+ abo, 0, NULL, &wipe_fence,
+ AMDGPU_KERNEL_JOB_ID_MOVE_BLIT);
if (r) {
goto error;
} else if (wipe_fence) {
@@ -1063,6 +1077,86 @@ static void amdgpu_ttm_backend_destroy(struct ttm_device *bdev,
}
/**
+ * amdgpu_ttm_mmio_remap_alloc_sgt - build an sg_table for MMIO_REMAP I/O aperture
+ * @adev: amdgpu device providing the remap BAR base (adev->rmmio_remap.bus_addr)
+ * @res: TTM resource of the BO to export; expected to live in AMDGPU_PL_MMIO_REMAP
+ * @dev: importing device to map for (typically @attach->dev in dma-buf paths)
+ * @dir: DMA data direction for the importer (passed to dma_map_resource())
+ * @sgt: output; on success, set to a newly allocated sg_table describing the I/O span
+ *
+ * The HDP flush page (AMDGPU_PL_MMIO_REMAP) is a fixed hardware I/O window in a PCI
+ * BAR—there are no struct pages to back it. Importers still need a DMA address list,
+ * so we synthesize a minimal sg_table and populate it from dma_map_resource(), not
+ * from pages. Using the common amdgpu_res_cursor walker keeps the offset/size math
+ * consistent with other TTM/manager users.
+ *
+ * - @res is assumed to be a small, contiguous I/O region (typically a single 4 KiB
+ * page) in AMDGPU_PL_MMIO_REMAP. Callers should validate placement before calling.
+ * - The sg entry is created with sg_set_page(sg, NULL, …) to reflect I/O space.
+ * - The mapping uses DMA_ATTR_SKIP_CPU_SYNC because this is MMIO, not cacheable RAM.
+ * - Peer reachability / p2pdma policy checks must be done by the caller.
+ *
+ * Return:
+ * * 0 on success, with *@sgt set to a valid table that must be freed via
+ * amdgpu_ttm_mmio_remap_free_sgt().
+ * * -ENOMEM if allocation of the sg_table fails.
+ * * -EIO if dma_map_resource() fails.
+ *
+ */
+int amdgpu_ttm_mmio_remap_alloc_sgt(struct amdgpu_device *adev,
+ struct ttm_resource *res,
+ struct device *dev,
+ enum dma_data_direction dir,
+ struct sg_table **sgt)
+{
+ struct amdgpu_res_cursor cur;
+ dma_addr_t dma;
+ resource_size_t phys;
+ struct scatterlist *sg;
+ int r;
+
+ /* Walk the resource once; MMIO_REMAP is expected to be contiguous+small. */
+ amdgpu_res_first(res, 0, res->size, &cur);
+
+ /* Translate byte offset in the remap window into a host physical BAR address. */
+ phys = adev->rmmio_remap.bus_addr + cur.start;
+
+ /* Build a single-entry sg_table mapped as I/O (no struct page backing). */
+ *sgt = kzalloc(sizeof(**sgt), GFP_KERNEL);
+ if (!*sgt)
+ return -ENOMEM;
+ r = sg_alloc_table(*sgt, 1, GFP_KERNEL);
+ if (r) {
+ kfree(*sgt);
+ return r;
+ }
+ sg = (*sgt)->sgl;
+ sg_set_page(sg, NULL, cur.size, 0); /* WHY: I/O space → no pages */
+
+ dma = dma_map_resource(dev, phys, cur.size, dir, DMA_ATTR_SKIP_CPU_SYNC);
+ if (dma_mapping_error(dev, dma)) {
+ sg_free_table(*sgt);
+ kfree(*sgt);
+ return -EIO;
+ }
+ sg_dma_address(sg) = dma;
+ sg_dma_len(sg) = cur.size;
+ return 0;
+}
+
+void amdgpu_ttm_mmio_remap_free_sgt(struct device *dev,
+ enum dma_data_direction dir,
+ struct sg_table *sgt)
+{
+ struct scatterlist *sg = sgt->sgl;
+
+ dma_unmap_resource(dev, sg_dma_address(sg), sg_dma_len(sg),
+ dir, DMA_ATTR_SKIP_CPU_SYNC);
+ sg_free_table(sgt);
+ kfree(sgt);
+}
+
+/**
* amdgpu_ttm_tt_create - Create a ttm_tt object for a given BO
*
* @bo: The buffer object to create a GTT ttm_tt object around
@@ -1478,7 +1572,7 @@ static int amdgpu_ttm_access_memory_sdma(struct ttm_buffer_object *bo,
memcpy(adev->mman.sdma_access_ptr, buf, len);
num_dw = ALIGN(adev->mman.buffer_funcs->copy_num_dw, 8);
- r = amdgpu_job_alloc_with_ib(adev, &adev->mman.high_pr,
+ r = amdgpu_job_alloc_with_ib(adev, &adev->mman.default_entity.base,
AMDGPU_FENCE_OWNER_UNDEFINED,
num_dw * 4, AMDGPU_IB_POOL_DELAYED,
&job,
@@ -1497,10 +1591,7 @@ static int amdgpu_ttm_access_memory_sdma(struct ttm_buffer_object *bo,
amdgpu_emit_copy_buffer(adev, &job->ibs[0], src_addr, dst_addr,
PAGE_SIZE, 0);
- amdgpu_ring_pad_ib(adev->mman.buffer_funcs_ring, &job->ibs[0]);
- WARN_ON(job->ibs[0].length_dw > num_dw);
-
- fence = amdgpu_job_submit(job);
+ fence = amdgpu_ttm_job_submit(adev, job, num_dw);
mutex_unlock(&adev->mman.gtt_window_lock);
if (!dma_fence_wait_timeout(fence, false, adev->sdma_timeout))
@@ -1744,7 +1835,13 @@ static int amdgpu_ttm_reserve_tmr(struct amdgpu_device *adev)
amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 4) ||
amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 5, 0)))
reserve_size = max(reserve_size, (uint32_t)280 << 20);
- else if (!reserve_size)
+ else if (!adev->bios &&
+ amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(12, 1, 0)) {
+ if (hweight32(adev->aid_mask) == 1)
+ reserve_size = max(reserve_size, (uint32_t)128 << 20);
+ else
+ reserve_size = max(reserve_size, (uint32_t)144 << 20);
+ } else if (!reserve_size)
reserve_size = DISCOVERY_TMR_OFFSET;
if (mem_train_support) {
@@ -1812,10 +1909,10 @@ static void amdgpu_ttm_pools_fini(struct amdgpu_device *adev)
}
/**
- * amdgpu_ttm_mmio_remap_bo_init - Allocate the singleton 4K MMIO_REMAP BO
+ * amdgpu_ttm_mmio_remap_bo_init - Allocate the singleton MMIO_REMAP BO
* @adev: amdgpu device
*
- * Allocates a one-page (4K) GEM BO in AMDGPU_GEM_DOMAIN_MMIO_REMAP when the
+ * Allocates a global BO with backing AMDGPU_PL_MMIO_REMAP when the
* hardware exposes a remap base (adev->rmmio_remap.bus_addr) and the host
* PAGE_SIZE is <= AMDGPU_GPU_PAGE_SIZE (4K). The BO is created as a regular
* GEM object (amdgpu_bo_create).
@@ -1824,42 +1921,95 @@ static void amdgpu_ttm_pools_fini(struct amdgpu_device *adev)
* * 0 on success or intentional skip (feature not present/unsupported)
* * negative errno on allocation failure
*/
-static int amdgpu_ttm_mmio_remap_bo_init(struct amdgpu_device *adev)
+static int amdgpu_ttm_alloc_mmio_remap_bo(struct amdgpu_device *adev)
{
+ struct ttm_operation_ctx ctx = { false, false };
+ struct ttm_placement placement;
+ struct ttm_buffer_object *tbo;
+ struct ttm_place placements;
struct amdgpu_bo_param bp;
+ struct ttm_resource *tmp;
int r;
/* Skip if HW doesn't expose remap, or if PAGE_SIZE > AMDGPU_GPU_PAGE_SIZE (4K). */
if (!adev->rmmio_remap.bus_addr || PAGE_SIZE > AMDGPU_GPU_PAGE_SIZE)
return 0;
+ /*
+ * Allocate a BO first and then move it to AMDGPU_PL_MMIO_REMAP.
+ * The initial TTM resource assigned by amdgpu_bo_create() is
+ * replaced below with a fixed MMIO_REMAP placement.
+ */
memset(&bp, 0, sizeof(bp));
-
- /* Create exactly one GEM BO in the MMIO_REMAP domain. */
- bp.type = ttm_bo_type_device; /* userspace-mappable GEM */
- bp.size = AMDGPU_GPU_PAGE_SIZE; /* 4K */
+ bp.type = ttm_bo_type_device;
+ bp.size = AMDGPU_GPU_PAGE_SIZE;
bp.byte_align = AMDGPU_GPU_PAGE_SIZE;
- bp.domain = AMDGPU_GEM_DOMAIN_MMIO_REMAP;
+ bp.domain = 0;
bp.flags = 0;
bp.resv = NULL;
bp.bo_ptr_size = sizeof(struct amdgpu_bo);
-
r = amdgpu_bo_create(adev, &bp, &adev->rmmio_remap.bo);
if (r)
return r;
+ r = amdgpu_bo_reserve(adev->rmmio_remap.bo, true);
+ if (r)
+ goto err_unref;
+
+ tbo = &adev->rmmio_remap.bo->tbo;
+
+ /*
+ * MMIO_REMAP is a fixed I/O placement (AMDGPU_PL_MMIO_REMAP).
+ */
+ placement.num_placement = 1;
+ placement.placement = &placements;
+ placements.fpfn = 0;
+ placements.lpfn = 0;
+ placements.mem_type = AMDGPU_PL_MMIO_REMAP;
+ placements.flags = 0;
+ /* Force the BO into the fixed MMIO_REMAP placement */
+ r = ttm_bo_mem_space(tbo, &placement, &tmp, &ctx);
+ if (unlikely(r))
+ goto err_unlock;
+
+ ttm_resource_free(tbo, &tbo->resource);
+ ttm_bo_assign_mem(tbo, tmp);
+ ttm_bo_pin(tbo);
+
+ amdgpu_bo_unreserve(adev->rmmio_remap.bo);
return 0;
+
+err_unlock:
+ amdgpu_bo_unreserve(adev->rmmio_remap.bo);
+
+err_unref:
+ amdgpu_bo_unref(&adev->rmmio_remap.bo);
+ adev->rmmio_remap.bo = NULL;
+ return r;
}
/**
- * amdgpu_ttm_mmio_remap_bo_fini - Free the singleton MMIO_REMAP BO
+ * amdgpu_ttm_free_mmio_remap_bo - Free the singleton MMIO_REMAP BO
* @adev: amdgpu device
*
* Frees the kernel-owned MMIO_REMAP BO if it was allocated by
* amdgpu_ttm_mmio_remap_bo_init().
*/
-static void amdgpu_ttm_mmio_remap_bo_fini(struct amdgpu_device *adev)
+static void amdgpu_ttm_free_mmio_remap_bo(struct amdgpu_device *adev)
{
+ if (!adev->rmmio_remap.bo)
+ return;
+
+ if (!amdgpu_bo_reserve(adev->rmmio_remap.bo, true)) {
+ ttm_bo_unpin(&adev->rmmio_remap.bo->tbo);
+ amdgpu_bo_unreserve(adev->rmmio_remap.bo);
+ }
+
+ /*
+ * At this point we rely on normal DRM teardown ordering:
+ * no new user ioctls can access the global MMIO_REMAP BO
+ * once TTM teardown begins.
+ */
amdgpu_bo_unref(&adev->rmmio_remap.bo);
adev->rmmio_remap.bo = NULL;
}
@@ -1988,7 +2138,7 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
DRM_DEBUG_DRIVER("Skipped stolen memory reservation\n");
}
- dev_info(adev->dev, "amdgpu: %uM of VRAM memory ready\n",
+ dev_info(adev->dev, " %uM of VRAM memory ready\n",
(unsigned int)(adev->gmc.real_vram_size / (1024 * 1024)));
/* Compute GTT size, either based on TTM limit
@@ -2014,7 +2164,7 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
dev_err(adev->dev, "Failed initializing GTT heap.\n");
return r;
}
- dev_info(adev->dev, "amdgpu: %uM of GTT memory ready.\n",
+ dev_info(adev->dev, " %uM of GTT memory ready.\n",
(unsigned int)(gtt_size / (1024 * 1024)));
if (adev->flags & AMD_IS_APU) {
@@ -2043,8 +2193,8 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
return r;
}
- /* Allocate the singleton MMIO_REMAP BO (4K) if supported */
- r = amdgpu_ttm_mmio_remap_bo_init(adev);
+ /* Allocate the singleton MMIO_REMAP BO if supported */
+ r = amdgpu_ttm_alloc_mmio_remap_bo(adev);
if (r)
return r;
@@ -2077,7 +2227,8 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
AMDGPU_GEM_DOMAIN_GTT,
&adev->mman.sdma_access_bo, NULL,
&adev->mman.sdma_access_ptr))
- DRM_WARN("Debug VRAM access will use slowpath MM access\n");
+ drm_warn(adev_to_drm(adev),
+ "Debug VRAM access will use slowpath MM access\n");
return 0;
}
@@ -2111,7 +2262,7 @@ void amdgpu_ttm_fini(struct amdgpu_device *adev)
amdgpu_bo_free_kernel(&adev->mman.sdma_access_bo, NULL,
&adev->mman.sdma_access_ptr);
- amdgpu_ttm_mmio_remap_bo_fini(adev);
+ amdgpu_ttm_free_mmio_remap_bo(adev);
amdgpu_ttm_fw_reserve_vram_fini(adev);
amdgpu_ttm_drv_reserve_vram_fini(adev);
@@ -2137,7 +2288,7 @@ void amdgpu_ttm_fini(struct amdgpu_device *adev)
ttm_range_man_fini(&adev->mman.bdev, AMDGPU_PL_MMIO_REMAP);
ttm_device_fini(&adev->mman.bdev);
adev->mman.initialized = false;
- dev_info(adev->dev, "amdgpu: ttm finalized\n");
+ dev_info(adev->dev, " ttm finalized\n");
}
/**
@@ -2165,7 +2316,7 @@ void amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev, bool enable)
ring = adev->mman.buffer_funcs_ring;
sched = &ring->sched;
- r = drm_sched_entity_init(&adev->mman.high_pr,
+ r = drm_sched_entity_init(&adev->mman.default_entity.base,
DRM_SCHED_PRIORITY_KERNEL, &sched,
1, NULL);
if (r) {
@@ -2175,18 +2326,30 @@ void amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev, bool enable)
return;
}
- r = drm_sched_entity_init(&adev->mman.low_pr,
+ r = drm_sched_entity_init(&adev->mman.clear_entity.base,
+ DRM_SCHED_PRIORITY_NORMAL, &sched,
+ 1, NULL);
+ if (r) {
+ dev_err(adev->dev,
+ "Failed setting up TTM BO clear entity (%d)\n",
+ r);
+ goto error_free_entity;
+ }
+
+ r = drm_sched_entity_init(&adev->mman.move_entity.base,
DRM_SCHED_PRIORITY_NORMAL, &sched,
1, NULL);
if (r) {
dev_err(adev->dev,
"Failed setting up TTM BO move entity (%d)\n",
r);
+ drm_sched_entity_destroy(&adev->mman.clear_entity.base);
goto error_free_entity;
}
} else {
- drm_sched_entity_destroy(&adev->mman.high_pr);
- drm_sched_entity_destroy(&adev->mman.low_pr);
+ drm_sched_entity_destroy(&adev->mman.default_entity.base);
+ drm_sched_entity_destroy(&adev->mman.clear_entity.base);
+ drm_sched_entity_destroy(&adev->mman.move_entity.base);
/* Drop all the old fences since re-creating the scheduler entities
* will allocate new contexts.
*/
@@ -2204,24 +2367,20 @@ void amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev, bool enable)
return;
error_free_entity:
- drm_sched_entity_destroy(&adev->mman.high_pr);
+ drm_sched_entity_destroy(&adev->mman.default_entity.base);
}
static int amdgpu_ttm_prepare_job(struct amdgpu_device *adev,
- bool direct_submit,
+ struct amdgpu_ttm_buffer_entity *entity,
unsigned int num_dw,
struct dma_resv *resv,
bool vm_needs_flush,
struct amdgpu_job **job,
- bool delayed, u64 k_job_id)
+ u64 k_job_id)
{
- enum amdgpu_ib_pool_type pool = direct_submit ?
- AMDGPU_IB_POOL_DIRECT :
- AMDGPU_IB_POOL_DELAYED;
+ enum amdgpu_ib_pool_type pool = AMDGPU_IB_POOL_DELAYED;
int r;
- struct drm_sched_entity *entity = delayed ? &adev->mman.low_pr :
- &adev->mman.high_pr;
- r = amdgpu_job_alloc_with_ib(adev, entity,
+ r = amdgpu_job_alloc_with_ib(adev, &entity->base,
AMDGPU_FENCE_OWNER_UNDEFINED,
num_dw * 4, pool, job, k_job_id);
if (r)
@@ -2240,20 +2399,24 @@ static int amdgpu_ttm_prepare_job(struct amdgpu_device *adev,
DMA_RESV_USAGE_BOOKKEEP);
}
-int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset,
+int amdgpu_copy_buffer(struct amdgpu_device *adev,
+ struct amdgpu_ttm_buffer_entity *entity,
+ uint64_t src_offset,
uint64_t dst_offset, uint32_t byte_count,
struct dma_resv *resv,
- struct dma_fence **fence, bool direct_submit,
+ struct dma_fence **fence,
bool vm_needs_flush, uint32_t copy_flags)
{
- struct amdgpu_device *adev = ring->adev;
unsigned int num_loops, num_dw;
+ struct amdgpu_ring *ring;
struct amdgpu_job *job;
uint32_t max_bytes;
unsigned int i;
int r;
- if (!direct_submit && !ring->sched.ready) {
+ ring = adev->mman.buffer_funcs_ring;
+
+ if (!ring->sched.ready) {
dev_err(adev->dev,
"Trying to move memory with ring turned off.\n");
return -EINVAL;
@@ -2262,11 +2425,11 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset,
max_bytes = adev->mman.buffer_funcs->copy_max_bytes;
num_loops = DIV_ROUND_UP(byte_count, max_bytes);
num_dw = ALIGN(num_loops * adev->mman.buffer_funcs->copy_num_dw, 8);
- r = amdgpu_ttm_prepare_job(adev, direct_submit, num_dw,
- resv, vm_needs_flush, &job, false,
+ r = amdgpu_ttm_prepare_job(adev, entity, num_dw,
+ resv, vm_needs_flush, &job,
AMDGPU_KERNEL_JOB_ID_TTM_COPY_BUFFER);
if (r)
- return r;
+ goto error_free;
for (i = 0; i < num_loops; i++) {
uint32_t cur_size_in_bytes = min(byte_count, max_bytes);
@@ -2278,16 +2441,9 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset,
byte_count -= cur_size_in_bytes;
}
- amdgpu_ring_pad_ib(ring, &job->ibs[0]);
- WARN_ON(job->ibs[0].length_dw > num_dw);
- if (direct_submit)
- r = amdgpu_job_submit_direct(job, ring, fence);
- else
- *fence = amdgpu_job_submit(job);
- if (r)
- goto error_free;
+ *fence = amdgpu_ttm_job_submit(adev, job, num_dw);
- return r;
+ return 0;
error_free:
amdgpu_job_free(job);
@@ -2295,14 +2451,15 @@ error_free:
return r;
}
-static int amdgpu_ttm_fill_mem(struct amdgpu_ring *ring, uint32_t src_data,
+static int amdgpu_ttm_fill_mem(struct amdgpu_device *adev,
+ struct amdgpu_ttm_buffer_entity *entity,
+ uint32_t src_data,
uint64_t dst_addr, uint32_t byte_count,
struct dma_resv *resv,
struct dma_fence **fence,
- bool vm_needs_flush, bool delayed,
+ bool vm_needs_flush,
u64 k_job_id)
{
- struct amdgpu_device *adev = ring->adev;
unsigned int num_loops, num_dw;
struct amdgpu_job *job;
uint32_t max_bytes;
@@ -2312,8 +2469,8 @@ static int amdgpu_ttm_fill_mem(struct amdgpu_ring *ring, uint32_t src_data,
max_bytes = adev->mman.buffer_funcs->fill_max_bytes;
num_loops = DIV_ROUND_UP_ULL(byte_count, max_bytes);
num_dw = ALIGN(num_loops * adev->mman.buffer_funcs->fill_num_dw, 8);
- r = amdgpu_ttm_prepare_job(adev, false, num_dw, resv, vm_needs_flush,
- &job, delayed, k_job_id);
+ r = amdgpu_ttm_prepare_job(adev, entity, num_dw, resv,
+ vm_needs_flush, &job, k_job_id);
if (r)
return r;
@@ -2327,9 +2484,7 @@ static int amdgpu_ttm_fill_mem(struct amdgpu_ring *ring, uint32_t src_data,
byte_count -= cur_size;
}
- amdgpu_ring_pad_ib(ring, &job->ibs[0]);
- WARN_ON(job->ibs[0].length_dw > num_dw);
- *fence = amdgpu_job_submit(job);
+ *fence = amdgpu_ttm_job_submit(adev, job, num_dw);
return 0;
}
@@ -2349,7 +2504,6 @@ int amdgpu_ttm_clear_buffer(struct amdgpu_bo *bo,
struct dma_fence **fence)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
- struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
struct amdgpu_res_cursor cursor;
u64 addr;
int r = 0;
@@ -2377,13 +2531,14 @@ int amdgpu_ttm_clear_buffer(struct amdgpu_bo *bo,
/* Never clear more than 256MiB at once to avoid timeouts */
size = min(cursor.size, 256ULL << 20);
- r = amdgpu_ttm_map_buffer(&bo->tbo, bo->tbo.resource, &cursor,
- 1, ring, false, &size, &addr);
+ r = amdgpu_ttm_map_buffer(&adev->mman.clear_entity,
+ &bo->tbo, bo->tbo.resource, &cursor,
+ 1, false, &size, &addr);
if (r)
goto err;
- r = amdgpu_ttm_fill_mem(ring, 0, addr, size, resv,
- &next, true, true,
+ r = amdgpu_ttm_fill_mem(adev, &adev->mman.clear_entity, 0, addr, size, resv,
+ &next, true,
AMDGPU_KERNEL_JOB_ID_TTM_CLEAR_BUFFER);
if (r)
goto err;
@@ -2399,15 +2554,14 @@ err:
return r;
}
-int amdgpu_fill_buffer(struct amdgpu_bo *bo,
- uint32_t src_data,
- struct dma_resv *resv,
- struct dma_fence **f,
- bool delayed,
- u64 k_job_id)
+int amdgpu_fill_buffer(struct amdgpu_ttm_buffer_entity *entity,
+ struct amdgpu_bo *bo,
+ uint32_t src_data,
+ struct dma_resv *resv,
+ struct dma_fence **f,
+ u64 k_job_id)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
- struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
struct dma_fence *fence = NULL;
struct amdgpu_res_cursor dst;
int r;
@@ -2428,13 +2582,14 @@ int amdgpu_fill_buffer(struct amdgpu_bo *bo,
/* Never fill more than 256MiB at once to avoid timeouts */
cur_size = min(dst.size, 256ULL << 20);
- r = amdgpu_ttm_map_buffer(&bo->tbo, bo->tbo.resource, &dst,
- 1, ring, false, &cur_size, &to);
+ r = amdgpu_ttm_map_buffer(entity, &bo->tbo, bo->tbo.resource, &dst,
+ 1, false, &cur_size, &to);
if (r)
goto error;
- r = amdgpu_ttm_fill_mem(ring, src_data, to, cur_size, resv,
- &next, true, delayed, k_job_id);
+ r = amdgpu_ttm_fill_mem(adev, entity,
+ src_data, to, cur_size, resv,
+ &next, true, k_job_id);
if (r)
goto error;