6 files changed, 5 insertions, 78 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 288c2ecd937a..34be1924218f 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -390,13 +390,6 @@ nouveau_bo_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
                 man->available_caching = TTM_PL_FLAG_UNCACHED |
                                          TTM_PL_FLAG_WC;
                 man->default_caching = TTM_PL_FLAG_WC;
-
-                man->io_addr = NULL;
-                man->io_offset = drm_get_resource_start(dev, 1);
-                man->io_size = drm_get_resource_len(dev, 1);
-                if (man->io_size > nouveau_mem_fb_amount(dev))
-                        man->io_size = nouveau_mem_fb_amount(dev);
-
                 man->gpu_offset = dev_priv->vm_vram_base;
                 break;
         case TTM_PL_TT:
@@ -417,10 +410,6 @@ nouveau_bo_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
                                  dev_priv->gart_info.type);
                         return -EINVAL;
                 }
-
-                man->io_offset  = dev_priv->gart_info.aper_base;
-                man->io_size    = dev_priv->gart_info.aper_size;
-                man->io_addr   = NULL;
                 man->gpu_offset = dev_priv->vm_gart_base;
                 break;
         default:
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 62b4b800e0a3..91030eab22b0 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -161,21 +161,13 @@ static int radeon_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
                                           (unsigned)type);
                                 return -EINVAL;
                         }
-                        man->io_offset = rdev->mc.agp_base;
-                        man->io_size = rdev->mc.gtt_size;
-                        man->io_addr = NULL;
                         if (!rdev->ddev->agp->cant_use_aperture)
                                 man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
                         man->available_caching = TTM_PL_FLAG_UNCACHED |
                                                  TTM_PL_FLAG_WC;
                         man->default_caching = TTM_PL_FLAG_WC;
-                } else
-#endif
-                {
-                        man->io_offset = 0;
-                        man->io_size = 0;
-                        man->io_addr = NULL;
                 }
+#endif
                 break;
         case TTM_PL_VRAM:
                 /* "On-card" video ram */
@@ -184,9 +176,6 @@ static int radeon_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
                              TTM_MEMTYPE_FLAG_MAPPABLE;
                 man->available_caching = TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_WC;
                 man->default_caching = TTM_PL_FLAG_WC;
-                man->io_addr = NULL;
-                man->io_offset = rdev->mc.aper_base;
-                man->io_size = rdev->mc.aper_size;
                 break;
         default:
                 DRM_ERROR("Unsupported memory type %u\n", (unsigned)type);
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index b42e3fae1bd5..3b5b094b1397 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -79,8 +79,6 @@ static void ttm_mem_type_debug(struct ttm_bo_device *bdev, int mem_type)
         printk(KERN_ERR TTM_PFX "    use_type: %d\n", man->use_type);
         printk(KERN_ERR TTM_PFX "    flags: 0x%08X\n", man->flags);
         printk(KERN_ERR TTM_PFX "    gpu_offset: 0x%08lX\n", man->gpu_offset);
-        printk(KERN_ERR TTM_PFX "    io_offset: 0x%08lX\n", man->io_offset);
-        printk(KERN_ERR TTM_PFX "    io_size: %ld\n", man->io_size);
         printk(KERN_ERR TTM_PFX "    size: %llu\n", man->size);
         printk(KERN_ERR TTM_PFX "    available_caching: 0x%08X\n",
                 man->available_caching);
@@ -1563,26 +1561,6 @@ bool ttm_mem_reg_is_pci(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
         return true;
 }
 
-int ttm_bo_pci_offset(struct ttm_bo_device *bdev,
-                      struct ttm_mem_reg *mem,
-                      unsigned long *bus_base,
-                      unsigned long *bus_offset, unsigned long *bus_size)
-{
-        struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
-
-        *bus_size = 0;
-        if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE))
-                return -EINVAL;
-
-        if (ttm_mem_reg_is_pci(bdev, mem)) {
-                *bus_offset = mem->mm_node->start << PAGE_SHIFT;
-                *bus_size = mem->num_pages << PAGE_SHIFT;
-                *bus_base = man->io_offset + (uintptr_t)man->io_addr;
-        }
-
-        return 0;
-}
-
 void ttm_bo_unmap_virtual(struct ttm_buffer_object *bo)
 {
         struct ttm_bo_device *bdev = bo->bdev;
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index d58eeb5ed22b..333b401ca4c9 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -83,24 +83,13 @@ EXPORT_SYMBOL(ttm_bo_move_ttm);
 
 int ttm_mem_io_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
 {
-        struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
         int ret;
 
-        if (bdev->driver->io_mem_reserve) {
-                if (!mem->bus.io_reserved) {
-                        mem->bus.io_reserved = true;
-                        ret = bdev->driver->io_mem_reserve(bdev, mem);
-                        if (unlikely(ret != 0))
-                                return ret;
-                }
-        } else {
-                ret = ttm_bo_pci_offset(bdev, mem, &mem->bus.base, &mem->bus.offset, &mem->bus.size);
+        if (!mem->bus.io_reserved) {
+                mem->bus.io_reserved = true;
+                ret = bdev->driver->io_mem_reserve(bdev, mem);
                 if (unlikely(ret != 0))
                         return ret;
-                mem->bus.addr = NULL;
-                if (!(man->flags & TTM_MEMTYPE_FLAG_NEEDS_IOREMAP))
-                        mem->bus.addr = (void *)(((u8 *)man->io_addr) + mem->bus.offset);
-                mem->bus.is_iomem = (mem->bus.size > 0) ? 1 : 0;
         }
         return 0;
 }
@@ -149,7 +138,7 @@ void ttm_mem_reg_iounmap(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem,
 
         man = &bdev->man[mem->mem_type];
 
-        if (virtual && (man->flags & TTM_MEMTYPE_FLAG_NEEDS_IOREMAP || mem->bus.addr == NULL))
+        if (virtual && mem->bus.addr == NULL)
                 iounmap(virtual);
         ttm_mem_io_free(bdev, mem);
 }
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
index f3558968fdff..c4f5114aee7c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
@@ -137,9 +137,6 @@ int vmw_invalidate_caches(struct ttm_bo_device *bdev, uint32_t flags)
 int vmw_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
                       struct ttm_mem_type_manager *man)
 {
-        struct vmw_private *dev_priv =
-            container_of(bdev, struct vmw_private, bdev);
-
         switch (type) {
         case TTM_PL_SYSTEM:
                 /* System memory */
@@ -151,10 +148,7 @@ int vmw_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
         case TTM_PL_VRAM:
                 /* "On-card" video ram */
                 man->gpu_offset = 0;
-                man->io_offset = dev_priv->vram_start;
-                man->io_size = dev_priv->vram_size;
                 man->flags = TTM_MEMTYPE_FLAG_FIXED | TTM_MEMTYPE_FLAG_MAPPABLE;
-                man->io_addr = NULL;
                 man->available_caching = TTM_PL_MASK_CACHING;
                 man->default_caching = TTM_PL_FLAG_WC;
                 break;
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index da39865d67d8..7720b1787e23 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -176,8 +176,6 @@ struct ttm_tt {
 
 #define TTM_MEMTYPE_FLAG_FIXED         (1 << 0) /* Fixed (on-card) PCI memory */
 #define TTM_MEMTYPE_FLAG_MAPPABLE      (1 << 1) /* Memory mappable */
-#define TTM_MEMTYPE_FLAG_NEEDS_IOREMAP (1 << 2) /* Fixed memory needs ioremap
-                                                   before kernel access. */
 #define TTM_MEMTYPE_FLAG_CMA           (1 << 3) /* Can't map aperture */
 
 /**
@@ -189,13 +187,6 @@ struct ttm_tt {
  * managed by this memory type.
  * @gpu_offset: If used, the GPU offset of the first managed page of
  * fixed memory or the first managed location in an aperture.
- * @io_offset: The io_offset of the first managed page of IO memory or
- * the first managed location in an aperture. For TTM_MEMTYPE_FLAG_CMA
- * memory, this should be set to NULL.
- * @io_size: The size of a managed IO region (fixed memory or aperture).
- * @io_addr: Virtual kernel address if the io region is pre-mapped. For
- * TTM_MEMTYPE_FLAG_NEEDS_IOREMAP there is no pre-mapped io map and
- * @io_addr should be set to NULL.
  * @size: Size of the managed region.
  * @available_caching: A mask of available caching types, TTM_PL_FLAG_XX,
  * as defined in ttm_placement_common.h
@@ -221,9 +212,6 @@ struct ttm_mem_type_manager {
         bool use_type;
         uint32_t flags;
         unsigned long gpu_offset;
-        unsigned long io_offset;
-        unsigned long io_size;
-        void *io_addr;
         uint64_t size;
         uint32_t available_caching;
         uint32_t default_caching;