diff options
| author | Christian König <christian.koenig@amd.com> | 2017-07-07 14:16:37 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-07-14 18:06:30 +0300 |
| commit | bb84284e10ec3447b4bb74cfa493d5c384a0b798 (patch) | |
| tree | 421bc521cda998d38963c30abc5eea0fc75f56da /drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c | |
| parent | 6f02a69648f14024213ab65cd4a4a701e40e46ff (diff) | |
| download | linux-bb84284e10ec3447b4bb74cfa493d5c384a0b798.tar.xz | |
drm/amdgpu: limit the GTT manager address space
We should only cover the GART size with the GTT manager.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c index f46a97d91675..5e6b90c6794f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c @@ -42,6 +42,7 @@ struct amdgpu_gtt_mgr { static int amdgpu_gtt_mgr_init(struct ttm_mem_type_manager *man, unsigned long p_size) { + struct amdgpu_device *adev = amdgpu_ttm_adev(man->bdev); struct amdgpu_gtt_mgr *mgr; uint64_t start, size; @@ -50,7 +51,7 @@ static int amdgpu_gtt_mgr_init(struct ttm_mem_type_manager *man, return -ENOMEM; start = AMDGPU_GTT_MAX_TRANSFER_SIZE * AMDGPU_GTT_NUM_TRANSFER_WINDOWS; - size = p_size - start; + size = (adev->mc.gart_size >> PAGE_SHIFT) - start; drm_mm_init(&mgr->mm, start, size); spin_lock_init(&mgr->lock); mgr->available = p_size; @@ -112,6 +113,7 @@ int amdgpu_gtt_mgr_alloc(struct ttm_mem_type_manager *man, const struct ttm_place *place, struct ttm_mem_reg *mem) { + struct amdgpu_device *adev = amdgpu_ttm_adev(man->bdev); struct amdgpu_gtt_mgr *mgr = man->priv; struct drm_mm_node *node = mem->mm_node; enum drm_mm_insert_mode mode; @@ -129,7 +131,7 @@ int amdgpu_gtt_mgr_alloc(struct ttm_mem_type_manager *man, if (place && place->lpfn) lpfn = place->lpfn; else - lpfn = man->size; + lpfn = adev->gart.num_cpu_pages; mode = DRM_MM_INSERT_BEST; if (place && place->flags & TTM_PL_FLAG_TOPDOWN) |