remove duplicate page table

a holdover from when the allocation wasn't done in ttm

1 files changed, 0 insertions, 19 deletions

diff --git a/sys/dev/pci/drm/amd/amdgpu/amdgpu_ttm.c b/sys/dev/pci/drm/amd/amdgpu/amdgpu_ttm.c
index 7fe4c457120..f8b3fcbca4f 100644
--- a/sys/dev/pci/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/sys/dev/pci/drm/amd/amdgpu/amdgpu_ttm.c
@@ -793,9 +793,6 @@ struct amdgpu_ttm_tt {
 	struct list_head        guptasks;
 	atomic_t		mmu_invalidations;
 	uint32_t		last_set_pages;
-
-	bus_dmamap_t		map;
-	bus_dma_segment_t	*segs;
 };
 
 /**
@@ -1201,9 +1198,6 @@ static void amdgpu_ttm_backend_destroy(struct ttm_tt *ttm)
 		put_task_struct(gtt->usertask);
 #endif
 
-	bus_dmamap_destroy(gtt->adev->dmat, gtt->map);
-	free(gtt->segs, M_DRM, 0);
-
 	ttm_dma_tt_fini(&gtt->ttm);
 	kfree(gtt);
 }
@@ -1226,7 +1220,6 @@ static struct ttm_tt *amdgpu_ttm_tt_create(struct ttm_buffer_object *bo,
 {
 	struct amdgpu_device *adev;
 	struct amdgpu_ttm_tt *gtt;
-	unsigned long size = bo->num_pages << PAGE_SHIFT;
 
 	adev = amdgpu_ttm_adev(bo->bdev);
 
@@ -1242,18 +1235,6 @@ static struct ttm_tt *amdgpu_ttm_tt_create(struct ttm_buffer_object *bo,
 		kfree(gtt);
 		return NULL;
 	}
-
-	gtt->segs = mallocarray(gtt->ttm.ttm.num_pages,
-	    sizeof(bus_dma_segment_t), M_DRM, M_WAITOK | M_ZERO);
-
-	if (bus_dmamap_create(adev->dmat, size, gtt->ttm.ttm.num_pages, size,
-	    0, BUS_DMA_WAITOK, &gtt->map)) {
-		free(gtt->segs, M_DRM, 0);
-		ttm_dma_tt_fini(&gtt->ttm);
-		free(gtt, M_DRM, 0);
-		return NULL;
-	}
-
 	return &gtt->ttm.ttm;
 }