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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.c122
1 files changed, 109 insertions, 13 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 952e0bf3bc84..f1b7d987bd57 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -76,7 +76,7 @@ static int amdgpu_ttm_global_init(struct amdgpu_device *adev)
{
struct drm_global_reference *global_ref;
struct amdgpu_ring *ring;
- struct amd_sched_rq *rq;
+ struct drm_sched_rq *rq;
int r;
adev->mman.mem_global_referenced = false;
@@ -108,8 +108,8 @@ static int amdgpu_ttm_global_init(struct amdgpu_device *adev)
mutex_init(&adev->mman.gtt_window_lock);
ring = adev->mman.buffer_funcs_ring;
- rq = &ring->sched.sched_rq[AMD_SCHED_PRIORITY_KERNEL];
- r = amd_sched_entity_init(&ring->sched, &adev->mman.entity,
+ rq = &ring->sched.sched_rq[DRM_SCHED_PRIORITY_KERNEL];
+ r = drm_sched_entity_init(&ring->sched, &adev->mman.entity,
rq, amdgpu_sched_jobs, NULL);
if (r) {
DRM_ERROR("Failed setting up TTM BO move run queue.\n");
@@ -131,7 +131,7 @@ error_mem:
static void amdgpu_ttm_global_fini(struct amdgpu_device *adev)
{
if (adev->mman.mem_global_referenced) {
- amd_sched_entity_fini(adev->mman.entity.sched,
+ drm_sched_entity_fini(adev->mman.entity.sched,
&adev->mman.entity);
mutex_destroy(&adev->mman.gtt_window_lock);
drm_global_item_unref(&adev->mman.bo_global_ref.ref);
@@ -505,7 +505,7 @@ static int amdgpu_move_vram_ram(struct ttm_buffer_object *bo, bool evict,
if (unlikely(r)) {
goto out_cleanup;
}
- r = ttm_bo_move_ttm(bo, ctx->interruptible, ctx->no_wait_gpu, new_mem);
+ r = ttm_bo_move_ttm(bo, ctx, new_mem);
out_cleanup:
ttm_bo_mem_put(bo, &tmp_mem);
return r;
@@ -536,7 +536,7 @@ static int amdgpu_move_ram_vram(struct ttm_buffer_object *bo, bool evict,
if (unlikely(r)) {
return r;
}
- r = ttm_bo_move_ttm(bo, ctx->interruptible, ctx->no_wait_gpu, &tmp_mem);
+ r = ttm_bo_move_ttm(bo, ctx, &tmp_mem);
if (unlikely(r)) {
goto out_cleanup;
}
@@ -597,8 +597,7 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict,
if (r) {
memcpy:
- r = ttm_bo_move_memcpy(bo, ctx->interruptible,
- ctx->no_wait_gpu, new_mem);
+ r = ttm_bo_move_memcpy(bo, ctx, new_mem);
if (r) {
return r;
}
@@ -1270,6 +1269,101 @@ static struct ttm_bo_driver amdgpu_bo_driver = {
.access_memory = &amdgpu_ttm_access_memory
};
+/*
+ * Firmware Reservation functions
+ */
+/**
+ * amdgpu_ttm_fw_reserve_vram_fini - free fw reserved vram
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * free fw reserved vram if it has been reserved.
+ */
+static void amdgpu_ttm_fw_reserve_vram_fini(struct amdgpu_device *adev)
+{
+ amdgpu_bo_free_kernel(&adev->fw_vram_usage.reserved_bo,
+ NULL, &adev->fw_vram_usage.va);
+}
+
+/**
+ * amdgpu_ttm_fw_reserve_vram_init - create bo vram reservation from fw
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * create bo vram reservation from fw.
+ */
+static int amdgpu_ttm_fw_reserve_vram_init(struct amdgpu_device *adev)
+{
+ struct ttm_operation_ctx ctx = { false, false };
+ int r = 0;
+ int i;
+ u64 vram_size = adev->mc.visible_vram_size;
+ u64 offset = adev->fw_vram_usage.start_offset;
+ u64 size = adev->fw_vram_usage.size;
+ struct amdgpu_bo *bo;
+
+ adev->fw_vram_usage.va = NULL;
+ adev->fw_vram_usage.reserved_bo = NULL;
+
+ if (adev->fw_vram_usage.size > 0 &&
+ adev->fw_vram_usage.size <= vram_size) {
+
+ r = amdgpu_bo_create(adev, adev->fw_vram_usage.size,
+ PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM,
+ AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
+ AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS, NULL, NULL, 0,
+ &adev->fw_vram_usage.reserved_bo);
+ if (r)
+ goto error_create;
+
+ r = amdgpu_bo_reserve(adev->fw_vram_usage.reserved_bo, false);
+ if (r)
+ goto error_reserve;
+
+ /* remove the original mem node and create a new one at the
+ * request position
+ */
+ bo = adev->fw_vram_usage.reserved_bo;
+ offset = ALIGN(offset, PAGE_SIZE);
+ for (i = 0; i < bo->placement.num_placement; ++i) {
+ bo->placements[i].fpfn = offset >> PAGE_SHIFT;
+ bo->placements[i].lpfn = (offset + size) >> PAGE_SHIFT;
+ }
+
+ ttm_bo_mem_put(&bo->tbo, &bo->tbo.mem);
+ r = ttm_bo_mem_space(&bo->tbo, &bo->placement,
+ &bo->tbo.mem, &ctx);
+ if (r)
+ goto error_pin;
+
+ r = amdgpu_bo_pin_restricted(adev->fw_vram_usage.reserved_bo,
+ AMDGPU_GEM_DOMAIN_VRAM,
+ adev->fw_vram_usage.start_offset,
+ (adev->fw_vram_usage.start_offset +
+ adev->fw_vram_usage.size), NULL);
+ if (r)
+ goto error_pin;
+ r = amdgpu_bo_kmap(adev->fw_vram_usage.reserved_bo,
+ &adev->fw_vram_usage.va);
+ if (r)
+ goto error_kmap;
+
+ amdgpu_bo_unreserve(adev->fw_vram_usage.reserved_bo);
+ }
+ return r;
+
+error_kmap:
+ amdgpu_bo_unpin(adev->fw_vram_usage.reserved_bo);
+error_pin:
+ amdgpu_bo_unreserve(adev->fw_vram_usage.reserved_bo);
+error_reserve:
+ amdgpu_bo_unref(&adev->fw_vram_usage.reserved_bo);
+error_create:
+ adev->fw_vram_usage.va = NULL;
+ adev->fw_vram_usage.reserved_bo = NULL;
+ return r;
+}
+
int amdgpu_ttm_init(struct amdgpu_device *adev)
{
uint64_t gtt_size;
@@ -1312,7 +1406,7 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
*The reserved vram for firmware must be pinned to the specified
*place on the VRAM, so reserve it early.
*/
- r = amdgpu_fw_reserve_vram_init(adev);
+ r = amdgpu_ttm_fw_reserve_vram_init(adev);
if (r) {
return r;
}
@@ -1330,9 +1424,11 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
struct sysinfo si;
si_meminfo(&si);
- gtt_size = max(AMDGPU_DEFAULT_GTT_SIZE_MB << 20,
- (uint64_t)si.totalram * si.mem_unit * 3/4);
- } else
+ gtt_size = min(max((AMDGPU_DEFAULT_GTT_SIZE_MB << 20),
+ adev->mc.mc_vram_size),
+ ((uint64_t)si.totalram * si.mem_unit * 3/4));
+ }
+ else
gtt_size = (uint64_t)amdgpu_gtt_size << 20;
r = ttm_bo_init_mm(&adev->mman.bdev, TTM_PL_TT, gtt_size >> PAGE_SHIFT);
if (r) {
@@ -1396,7 +1492,7 @@ void amdgpu_ttm_fini(struct amdgpu_device *adev)
amdgpu_ttm_debugfs_fini(adev);
amdgpu_bo_free_kernel(&adev->stolen_vga_memory, NULL, NULL);
- amdgpu_fw_reserve_vram_fini(adev);
+ amdgpu_ttm_fw_reserve_vram_fini(adev);
ttm_bo_clean_mm(&adev->mman.bdev, TTM_PL_VRAM);
ttm_bo_clean_mm(&adev->mman.bdev, TTM_PL_TT);