staging: gma500: kill off TTM

We are not using TTM, we are not going to use TTM either

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

19 files changed, 17 insertions, 3772 deletions

diff --git a/drivers/staging/gma500/Makefile b/drivers/staging/gma500/Makefile
index 383a574a5d1..4d7aabe7e37 100644
--- a/drivers/staging/gma500/Makefile
+++ b/drivers/staging/gma500/Makefile
@@ -16,15 +16,8 @@ psb_gfx-y += psb_bl.o \
 	  psb_intel_modes.o \
 	  psb_intel_sdvo.o \
 	  psb_reset.o \
-	  psb_sgx.o \
 	  psb_pvr_glue.o \
-	  psb_buffer.o \
-	  psb_fence.o \
 	  psb_mmu.o \
-	  psb_ttm_glue.o \
-	  psb_ttm_fence.o \
-	  psb_ttm_fence_user.o \
-	  psb_ttm_placement_user.o \
 	  psb_powermgmt.o \
 	  psb_irq.o \
 	  mrst_crtc.o \
diff --git a/drivers/staging/gma500/psb_2d.c b/drivers/staging/gma500/psb_2d.c
index e4cae5d77d0..9a0691f75d1 100644
--- a/drivers/staging/gma500/psb_2d.c
+++ b/drivers/staging/gma500/psb_2d.c
@@ -40,7 +40,6 @@
 #include "psb_reg.h"
 #include "psb_drv.h"
 #include "psb_fb.h"
-#include "psb_sgx.h"
 
 void psb_spank(struct drm_psb_private *dev_priv)
 {
diff --git a/drivers/staging/gma500/psb_buffer.c b/drivers/staging/gma500/psb_buffer.c
deleted file mode 100644
index b5d79a589db..00000000000
--- a/drivers/staging/gma500/psb_buffer.c
+++ /dev/null
@@ -1,423 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-/*
- * Authors: Thomas Hellstrom <thomas-at-tungstengraphics.com>
- */
-#include "ttm/ttm_placement.h"
-#include "ttm/ttm_execbuf_util.h"
-#include "psb_ttm_fence_api.h"
-#include <drm/drmP.h>
-#include "psb_drv.h"
-
-#define DRM_MEM_TTM       26
-
-struct drm_psb_ttm_backend {
-	struct ttm_backend base;
-	struct page **pages;
-	unsigned int desired_tile_stride;
-	unsigned int hw_tile_stride;
-	int mem_type;
-	unsigned long offset;
-	unsigned long num_pages;
-};
-
-/*
- * MSVDX/TOPAZ GPU virtual space looks like this
- * (We currently use only one MMU context).
- * PSB_MEM_MMU_START: from 0x00000000~0xe000000, for generic buffers
- * TTM_PL_CI: from 0xe0000000+half GTT space, for camear/video buffer sharing
- * TTM_PL_RAR: from TTM_PL_CI+CI size, for RAR/video buffer sharing
- * TTM_PL_TT: from TTM_PL_RAR+RAR size, for buffers need to mapping into GTT
- */
-static int psb_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
-			     struct ttm_mem_type_manager *man)
-{
-
-	struct drm_psb_private *dev_priv =
-	    container_of(bdev, struct drm_psb_private, bdev);
-	struct psb_gtt *pg = dev_priv->pg;
-
-	switch (type) {
-	case TTM_PL_SYSTEM:
-		man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
-		man->available_caching = TTM_PL_FLAG_CACHED |
-		    TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_WC;
-		man->default_caching = TTM_PL_FLAG_CACHED;
-		break;
-	case DRM_PSB_MEM_MMU:
-		man->func = &ttm_bo_manager_func;
-		man->flags = TTM_MEMTYPE_FLAG_MAPPABLE |
-		    TTM_MEMTYPE_FLAG_CMA;
-		man->gpu_offset = PSB_MEM_MMU_START;
-		man->available_caching = TTM_PL_FLAG_CACHED |
-		    TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_WC;
-		man->default_caching = TTM_PL_FLAG_WC;
-		break;
-	case TTM_PL_TT:	/* Mappable GATT memory */
-		man->func = &ttm_bo_manager_func;
-#ifdef PSB_WORKING_HOST_MMU_ACCESS
-		man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
-#else
-		man->flags = TTM_MEMTYPE_FLAG_MAPPABLE |
-		    TTM_MEMTYPE_FLAG_CMA;
-#endif
-		man->available_caching = TTM_PL_FLAG_CACHED |
-		    TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_WC;
-		man->default_caching = TTM_PL_FLAG_WC;
-		man->gpu_offset = pg->mmu_gatt_start;
-		break;
-	default:
-		DRM_ERROR("Unsupported memory type %u\n", (unsigned) type);
-		return -EINVAL;
-	}
-	return 0;
-}
-
-
-static void psb_evict_mask(struct ttm_buffer_object *bo,
-					struct ttm_placement *placement)
-{
-	static uint32_t cur_placement;
-
-	cur_placement = bo->mem.placement & ~TTM_PL_MASK_MEM;
-	cur_placement |= TTM_PL_FLAG_SYSTEM;
-
-	placement->fpfn = 0;
-	placement->lpfn = 0;
-	placement->num_placement = 1;
-	placement->placement = &cur_placement;
-	placement->num_busy_placement = 0;
-	placement->busy_placement = NULL;
-
-	/* all buffers evicted to system memory */
-	/* return cur_placement | TTM_PL_FLAG_SYSTEM; */
-}
-
-static int psb_invalidate_caches(struct ttm_bo_device *bdev,
-				 uint32_t placement)
-{
-	return 0;
-}
-
-static int psb_move_blit(struct ttm_buffer_object *bo,
-			 bool evict, bool no_wait,
-			 struct ttm_mem_reg *new_mem)
-{
-	BUG();
-	return 0;
-}
-
-/*
- * Flip destination ttm into GATT,
- * then blit and subsequently move out again.
- */
-
-static int psb_move_flip(struct ttm_buffer_object *bo,
-			 bool evict, bool interruptible, bool no_wait,
-			 struct ttm_mem_reg *new_mem)
-{
-	/*struct ttm_bo_device *bdev = bo->bdev;*/
-	struct ttm_mem_reg tmp_mem;
-	int ret;
-	struct ttm_placement placement;
-	uint32_t flags = TTM_PL_FLAG_TT;
-
-	tmp_mem = *new_mem;
-	tmp_mem.mm_node = NULL;
-
-	placement.fpfn = 0;
-	placement.lpfn = 0;
-	placement.num_placement = 1;
-	placement.placement = &flags;
-	placement.num_busy_placement = 0; /* FIXME */
-	placement.busy_placement = NULL;
-
-	ret = ttm_bo_mem_space(bo, &placement, &tmp_mem, interruptible,
-							false, no_wait);
-	if (ret)
-		return ret;
-	ret = ttm_tt_bind(bo->ttm, &tmp_mem);
-	if (ret)
-		goto out_cleanup;
-	ret = psb_move_blit(bo, true, no_wait, &tmp_mem);
-	if (ret)
-		goto out_cleanup;
-
-	ret = ttm_bo_move_ttm(bo, evict, false, no_wait, new_mem);
-out_cleanup:
-	if (tmp_mem.mm_node) {
-		drm_mm_put_block(tmp_mem.mm_node);
-		tmp_mem.mm_node = NULL;
-	}
-	return ret;
-}
-
-static int psb_move(struct ttm_buffer_object *bo,
-		    bool evict, bool interruptible, bool no_wait_reserve,
-		    bool no_wait, struct ttm_mem_reg *new_mem)
-{
-	struct ttm_mem_reg *old_mem = &bo->mem;
-
-	if ((old_mem->mem_type == TTM_PL_RAR) ||
-	    (new_mem->mem_type == TTM_PL_RAR)) {
-		if (old_mem->mm_node) {
-			spin_lock(&bo->glob->lru_lock);
-			drm_mm_put_block(old_mem->mm_node);
-			spin_unlock(&bo->glob->lru_lock);
-		}
-		old_mem->mm_node = NULL;
-		*old_mem = *new_mem;
-	} else if (old_mem->mem_type == TTM_PL_SYSTEM) {
-		return ttm_bo_move_memcpy(bo, evict, false, no_wait, new_mem);
-	} else if (new_mem->mem_type == TTM_PL_SYSTEM) {
-		int ret = psb_move_flip(bo, evict, interruptible,
-					no_wait, new_mem);
-		if (unlikely(ret != 0)) {
-			if (ret == -ERESTART)
-				return ret;
-			else
-				return ttm_bo_move_memcpy(bo, evict, false,
-						no_wait, new_mem);
-		}
-	} else {
-		if (psb_move_blit(bo, evict, no_wait, new_mem))
-			return ttm_bo_move_memcpy(bo, evict, false, no_wait,
-						  new_mem);
-	}
-	return 0;
-}
-
-static int drm_psb_tbe_populate(struct ttm_backend *backend,
-				unsigned long num_pages,
-				struct page **pages,
-				struct page *dummy_read_page,
-				dma_addr_t *dma_addrs)
-{
-	struct drm_psb_ttm_backend *psb_be =
-	    container_of(backend, struct drm_psb_ttm_backend, base);
-
-	psb_be->pages = pages;
-	return 0;
-}
-
-static int drm_psb_tbe_unbind(struct ttm_backend *backend)
-{
-	struct ttm_bo_device *bdev = backend->bdev;
-	struct drm_psb_private *dev_priv =
-	    container_of(bdev, struct drm_psb_private, bdev);
-	struct drm_psb_ttm_backend *psb_be =
-	    container_of(backend, struct drm_psb_ttm_backend, base);
-	struct psb_mmu_pd *pd = psb_mmu_get_default_pd(dev_priv->mmu);
-	/* struct ttm_mem_type_manager *man = &bdev->man[psb_be->mem_type]; */
-
-	if (psb_be->mem_type == TTM_PL_TT) {
-		uint32_t gatt_p_offset =
-			(psb_be->offset - dev_priv->pg->mmu_gatt_start)
-								>> PAGE_SHIFT;
-
-		(void) psb_gtt_remove_pages(dev_priv->pg, gatt_p_offset,
-					    psb_be->num_pages,
-					    psb_be->desired_tile_stride,
-					    psb_be->hw_tile_stride, 0);
-	}
-
-	psb_mmu_remove_pages(pd, psb_be->offset,
-			     psb_be->num_pages,
-			     psb_be->desired_tile_stride,
-			     psb_be->hw_tile_stride);
-
-	return 0;
-}
-
-static int drm_psb_tbe_bind(struct ttm_backend *backend,
-			    struct ttm_mem_reg *bo_mem)
-{
-	struct ttm_bo_device *bdev = backend->bdev;
-	struct drm_psb_private *dev_priv =
-	    container_of(bdev, struct drm_psb_private, bdev);
-	struct drm_psb_ttm_backend *psb_be =
-	    container_of(backend, struct drm_psb_ttm_backend, base);
-	struct psb_mmu_pd *pd = psb_mmu_get_default_pd(dev_priv->mmu);
-	struct ttm_mem_type_manager *man = &bdev->man[bo_mem->mem_type];
-	struct drm_mm_node *mm_node = bo_mem->mm_node;
-	int type;
-	int ret = 0;
-
-	psb_be->mem_type = bo_mem->mem_type;
-	psb_be->num_pages = bo_mem->num_pages;
-	psb_be->desired_tile_stride = 0;
-	psb_be->hw_tile_stride = 0;
-	psb_be->offset = (mm_node->start << PAGE_SHIFT) +
-	    man->gpu_offset;
-
-	type =
-	    (bo_mem->
-	     placement & TTM_PL_FLAG_CACHED) ? PSB_MMU_CACHED_MEMORY : 0;
-
-	if (psb_be->mem_type == TTM_PL_TT) {
-		uint32_t gatt_p_offset =
-				(psb_be->offset - dev_priv->pg->mmu_gatt_start)
-								>> PAGE_SHIFT;
-
-		ret = psb_gtt_insert_pages(dev_priv->pg, psb_be->pages,
-					   gatt_p_offset,
-					   psb_be->num_pages,
-					   psb_be->desired_tile_stride,
-					   psb_be->hw_tile_stride, type);
-	}
-
-	ret = psb_mmu_insert_pages(pd, psb_be->pages,
-				   psb_be->offset, psb_be->num_pages,
-				   psb_be->desired_tile_stride,
-				   psb_be->hw_tile_stride, type);
-	if (ret)
-		goto out_err;
-
-	return 0;
-out_err:
-	drm_psb_tbe_unbind(backend);
-	return ret;
-
-}
-
-static void drm_psb_tbe_clear(struct ttm_backend *backend)
-{
-	struct drm_psb_ttm_backend *psb_be =
-	    container_of(backend, struct drm_psb_ttm_backend, base);
-
-	psb_be->pages = NULL;
-	return;
-}
-
-static void drm_psb_tbe_destroy(struct ttm_backend *backend)
-{
-	struct drm_psb_ttm_backend *psb_be =
-	    container_of(backend, struct drm_psb_ttm_backend, base);
-
-	if (backend)
-		kfree(psb_be);
-}
-
-static struct ttm_backend_func psb_ttm_backend = {
-	.populate = drm_psb_tbe_populate,
-	.clear = drm_psb_tbe_clear,
-	.bind = drm_psb_tbe_bind,
-	.unbind = drm_psb_tbe_unbind,
-	.destroy = drm_psb_tbe_destroy,
-};
-
-static struct ttm_backend *drm_psb_tbe_init(struct ttm_bo_device *bdev)
-{
-	struct drm_psb_ttm_backend *psb_be;
-
-	psb_be = kzalloc(sizeof(*psb_be), GFP_KERNEL);
-	if (!psb_be)
-		return NULL;
-	psb_be->pages = NULL;
-	psb_be->base.func = &psb_ttm_backend;
-	psb_be->base.bdev = bdev;
-	return &psb_be->base;
-}
-
-static int psb_ttm_io_mem_reserve(struct ttm_bo_device *bdev,
-						struct ttm_mem_reg *mem)
-{
-	struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
-	struct drm_psb_private *dev_priv =
-	    container_of(bdev, struct drm_psb_private, bdev);
-	struct psb_gtt *pg = dev_priv->pg;
-	struct drm_mm_node *mm_node = mem->mm_node;
-
-	mem->bus.addr = NULL;
-	mem->bus.offset = 0;
-	mem->bus.size = mem->num_pages << PAGE_SHIFT;
-	mem->bus.base = 0;
-	mem->bus.is_iomem = false;
-	if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE))
-		return -EINVAL;
-	switch (mem->mem_type) {
-	case TTM_PL_SYSTEM:
-		/* system memory */
-		return 0;
-	case TTM_PL_TT:
-		mem->bus.offset = mm_node->start << PAGE_SHIFT;
-		mem->bus.base = pg->gatt_start;
-		mem->bus.is_iomem = false;
-		/* Don't know whether it is IO_MEM, this flag
-						used in vm_fault handle */
-		break;
-	case DRM_PSB_MEM_MMU:
-		mem->bus.offset = mm_node->start << PAGE_SHIFT;
-		mem->bus.base = 0x00000000;
-		break;
-	default:
-		return -EINVAL;
-	}
-	return 0;
-}
-
-static void psb_ttm_io_mem_free(struct ttm_bo_device *bdev,
-						struct ttm_mem_reg *mem)
-{
-}
-
-/*
- * Use this memory type priority if no eviction is needed.
- */
-/*
-static uint32_t psb_mem_prios[] = {
-	TTM_PL_CI,
-	TTM_PL_RAR,
-	TTM_PL_TT,
-	DRM_PSB_MEM_MMU,
-	TTM_PL_SYSTEM
-};
-*/
-/*
- * Use this memory type priority if need to evict.
- */
-/*
-static uint32_t psb_busy_prios[] = {
-	TTM_PL_TT,
-	TTM_PL_CI,
-	TTM_PL_RAR,
-	DRM_PSB_MEM_MMU,
-	TTM_PL_SYSTEM
-};
-*/
-struct ttm_bo_driver psb_ttm_bo_driver = {
-/*
-	.mem_type_prio = psb_mem_prios,
-	.mem_busy_prio = psb_busy_prios,
-	.num_mem_type_prio = ARRAY_SIZE(psb_mem_prios),
-	.num_mem_busy_prio = ARRAY_SIZE(psb_busy_prios),
-*/
-	.create_ttm_backend_entry = &drm_psb_tbe_init,
-	.invalidate_caches = &psb_invalidate_caches,
-	.init_mem_type = &psb_init_mem_type,
-	.evict_flags = &psb_evict_mask,
-	.move = &psb_move,
-	.verify_access = &psb_verify_access,
-	.sync_obj_signaled = &ttm_fence_sync_obj_signaled,
-	.sync_obj_wait = &ttm_fence_sync_obj_wait,
-	.sync_obj_flush = &ttm_fence_sync_obj_flush,
-	.sync_obj_unref = &ttm_fence_sync_obj_unref,
-	.sync_obj_ref = &ttm_fence_sync_obj_ref,
-	.io_mem_reserve = &psb_ttm_io_mem_reserve,
-	.io_mem_free = &psb_ttm_io_mem_free
-};
diff --git a/drivers/staging/gma500/psb_drm.h b/drivers/staging/gma500/psb_drm.h
index fb9b4245bad..28862c7e094 100644
--- a/drivers/staging/gma500/psb_drm.h
+++ b/drivers/staging/gma500/psb_drm.h
@@ -28,9 +28,6 @@
 #include "drm_mode.h"
 #endif
 
-#include "psb_ttm_fence_user.h"
-#include "psb_ttm_placement_user.h"
-
 #define DRM_PSB_SAREA_MAJOR 0
 #define DRM_PSB_SAREA_MINOR 2
 #define PSB_FIXED_SHIFT 16
@@ -41,15 +38,6 @@
  * Public memory types.
  */
 
-#define DRM_PSB_MEM_MMU 	TTM_PL_PRIV1
-#define DRM_PSB_FLAG_MEM_MMU	TTM_PL_FLAG_PRIV1
-
-#define TTM_PL_CI               TTM_PL_PRIV0
-#define TTM_PL_FLAG_CI          TTM_PL_FLAG_PRIV0
-
-#define TTM_PL_RAR              TTM_PL_PRIV2
-#define TTM_PL_FLAG_RAR         TTM_PL_FLAG_PRIV2
-
 typedef s32 psb_fixed;
 typedef u32 psb_ufixed;
 
@@ -112,111 +100,12 @@ struct drm_psb_sarea {
 	u32 num_active_scanouts;
 };
 
-#define PSB_RELOC_MAGIC         0x67676767
-#define PSB_RELOC_SHIFT_MASK    0x0000FFFF
-#define PSB_RELOC_SHIFT_SHIFT   0
-#define PSB_RELOC_ALSHIFT_MASK  0xFFFF0000
-#define PSB_RELOC_ALSHIFT_SHIFT 16
-
-#define PSB_RELOC_OP_OFFSET     0	/* Offset of the indicated
-					 * buffer
-					 */
-
-struct drm_psb_reloc {
-	u32 reloc_op;
-	u32 where;		/* offset in destination buffer */
-	u32 buffer;	/* Buffer reloc applies to */
-	u32 mask;		/* Destination format: */
-	u32 shift;		/* Destination format: */
-	u32 pre_add;	/* Destination format: */
-	u32 background;	/* Destination add */
-	u32 dst_buffer;	/* Destination buffer. Index into buffer_list */
-	u32 arg0;		/* Reloc-op dependant */
-	u32 arg1;
-};
-
-
 #define PSB_GPU_ACCESS_READ         (1ULL << 32)
 #define PSB_GPU_ACCESS_WRITE        (1ULL << 33)
 #define PSB_GPU_ACCESS_MASK         (PSB_GPU_ACCESS_READ | PSB_GPU_ACCESS_WRITE)
 
 #define PSB_BO_FLAG_COMMAND         (1ULL << 52)
 
-#define PSB_ENGINE_2D 0
-#define PSB_ENGINE_VIDEO 1
-#define LNC_ENGINE_ENCODE 5
-
-/*
- * For this fence class we have a couple of
- * fence types.
- */
-
-#define _PSB_FENCE_EXE_SHIFT           0
-#define _PSB_FENCE_FEEDBACK_SHIFT      4
-
-#define _PSB_FENCE_TYPE_EXE         (1 << _PSB_FENCE_EXE_SHIFT)
-#define _PSB_FENCE_TYPE_FEEDBACK    (1 << _PSB_FENCE_FEEDBACK_SHIFT)
-
-#define PSB_NUM_ENGINES 6
-
-
-#define PSB_FEEDBACK_OP_VISTEST (1 << 0)
-
-struct drm_psb_extension_rep {
-	s32 exists;
-	u32 driver_ioctl_offset;
-	u32 sarea_offset;
-	u32 major;
-	u32 minor;
-	u32 pl;
-};
-
-#define DRM_PSB_EXT_NAME_LEN 128
-
-union drm_psb_extension_arg {
-	char extension[DRM_PSB_EXT_NAME_LEN];
-	struct drm_psb_extension_rep rep;
-};
-
-struct psb_validate_req {
-	u64 set_flags;
-	u64 clear_flags;
-	u64 next;
-	u64 presumed_gpu_offset;
-	u32 buffer_handle;
-	u32 presumed_flags;
-	u32 group;
-	u32 pad64;
-};
-
-struct psb_validate_rep {
-	u64 gpu_offset;
-	u32 placement;
-	u32 fence_type_mask;
-};
-
-#define PSB_USE_PRESUMED     (1 << 0)
-
-struct psb_validate_arg {
-	int handled;
-	int ret;
-	union {
-		struct psb_validate_req req;
-		struct psb_validate_rep rep;
-	} d;
-};
-
-
-#define DRM_PSB_FENCE_NO_USER        (1 << 0)
-
-struct psb_ttm_fence_rep {
-	u32 handle;
-	u32 fence_class;
-	u32 fence_type;
-	u32 signaled_types;
-	u32 error;
-};
-
 /*
  * Feedback components:
  */
diff --git a/drivers/staging/gma500/psb_drv.c b/drivers/staging/gma500/psb_drv.c
index 6e9954c5341..ba08b071d66 100644
--- a/drivers/staging/gma500/psb_drv.c
+++ b/drivers/staging/gma500/psb_drv.c
@@ -111,9 +111,6 @@ MODULE_DEVICE_TABLE(pci, pciidlist);
 #define DRM_IOCTL_PSB_GTT_UNMAP	\
 		DRM_IOW(DRM_PSB_GTT_UNMAP + DRM_COMMAND_BASE, \
 			struct psb_gtt_mapping_arg)
-#define DRM_IOCTL_PSB_GETPAGEADDRS	\
-		DRM_IOWR(DRM_COMMAND_BASE + DRM_PSB_GETPAGEADDRS,\
-			 struct drm_psb_getpageaddrs_arg)
 #define DRM_IOCTL_PSB_UPDATE_GUARD	\
 		DRM_IOWR(DRM_PSB_UPDATE_GUARD + DRM_COMMAND_BASE, \
 			 uint32_t)
@@ -130,69 +127,8 @@ MODULE_DEVICE_TABLE(pci, pciidlist);
 		DRM_IOWR(DRM_PSB_GET_PIPE_FROM_CRTC_ID + DRM_COMMAND_BASE, \
 			 struct drm_psb_get_pipe_from_crtc_id_arg)
 
-/*
- * TTM execbuf extension.
- */
-
-#define DRM_PSB_CMDBUF		  0x23
-#define DRM_PSB_SCENE_UNREF	  0x24
 #define DRM_IOCTL_PSB_KMS_OFF	  DRM_IO(DRM_PSB_KMS_OFF + DRM_COMMAND_BASE)
 #define DRM_IOCTL_PSB_KMS_ON	  DRM_IO(DRM_PSB_KMS_ON + DRM_COMMAND_BASE)
-/*
- * TTM placement user extension.
- */
-
-#define DRM_PSB_PLACEMENT_OFFSET   (DRM_PSB_SCENE_UNREF + 1)
-
-#define DRM_PSB_TTM_PL_CREATE	 (TTM_PL_CREATE + DRM_PSB_PLACEMENT_OFFSET)
-#define DRM_PSB_TTM_PL_REFERENCE (TTM_PL_REFERENCE + DRM_PSB_PLACEMENT_OFFSET)
-#define DRM_PSB_TTM_PL_UNREF	 (TTM_PL_UNREF + DRM_PSB_PLACEMENT_OFFSET)
-#define DRM_PSB_TTM_PL_SYNCCPU	 (TTM_PL_SYNCCPU + DRM_PSB_PLACEMENT_OFFSET)
-#define DRM_PSB_TTM_PL_WAITIDLE  (TTM_PL_WAITIDLE + DRM_PSB_PLACEMENT_OFFSET)
-#define DRM_PSB_TTM_PL_SETSTATUS (TTM_PL_SETSTATUS + DRM_PSB_PLACEMENT_OFFSET)
-#define DRM_PSB_TTM_PL_CREATE_UB (TTM_PL_CREATE_UB + DRM_PSB_PLACEMENT_OFFSET)
-
-/*
- * TTM fence extension.
- */
-
-#define DRM_PSB_FENCE_OFFSET	   (DRM_PSB_TTM_PL_CREATE_UB + 1)
-#define DRM_PSB_TTM_FENCE_SIGNALED (TTM_FENCE_SIGNALED + DRM_PSB_FENCE_OFFSET)
-#define DRM_PSB_TTM_FENCE_FINISH   (TTM_FENCE_FINISH + DRM_PSB_FENCE_OFFSET)
-#define DRM_PSB_TTM_FENCE_UNREF    (TTM_FENCE_UNREF + DRM_PSB_FENCE_OFFSET)
-
-#define DRM_PSB_FLIP	   (DRM_PSB_TTM_FENCE_UNREF + 1)	/*20*/
-
-#define DRM_IOCTL_PSB_TTM_PL_CREATE    \
-	DRM_IOWR(DRM_COMMAND_BASE + DRM_PSB_TTM_PL_CREATE,\
-		 union ttm_pl_create_arg)
-#define DRM_IOCTL_PSB_TTM_PL_REFERENCE \
-	DRM_IOWR(DRM_COMMAND_BASE + DRM_PSB_TTM_PL_REFERENCE,\
-		 union ttm_pl_reference_arg)
-#define DRM_IOCTL_PSB_TTM_PL_UNREF    \
-	DRM_IOW(DRM_COMMAND_BASE + DRM_PSB_TTM_PL_UNREF,\
-		struct ttm_pl_reference_req)
-#define DRM_IOCTL_PSB_TTM_PL_SYNCCPU	\
-	DRM_IOW(DRM_COMMAND_BASE + DRM_PSB_TTM_PL_SYNCCPU,\
-		struct ttm_pl_synccpu_arg)
-#define DRM_IOCTL_PSB_TTM_PL_WAITIDLE	 \
-	DRM_IOW(DRM_COMMAND_BASE + DRM_PSB_TTM_PL_WAITIDLE,\
-		struct ttm_pl_waitidle_arg)
-#define DRM_IOCTL_PSB_TTM_PL_SETSTATUS \
-	DRM_IOWR(DRM_COMMAND_BASE + DRM_PSB_TTM_PL_SETSTATUS,\
-		 union ttm_pl_setstatus_arg)
-#define DRM_IOCTL_PSB_TTM_PL_CREATE_UB    \
-	DRM_IOWR(DRM_COMMAND_BASE + DRM_PSB_TTM_PL_CREATE_UB,\
-		 union ttm_pl_create_ub_arg)
-#define DRM_IOCTL_PSB_TTM_FENCE_SIGNALED \
-	DRM_IOWR(DRM_COMMAND_BASE + DRM_PSB_TTM_FENCE_SIGNALED,	\
-		  union ttm_fence_signaled_arg)
-#define DRM_IOCTL_PSB_TTM_FENCE_FINISH \
-	DRM_IOWR(DRM_COMMAND_BASE + DRM_PSB_TTM_FENCE_FINISH,	\
-		 union ttm_fence_finish_arg)
-#define DRM_IOCTL_PSB_TTM_FENCE_UNREF \
-	DRM_IOW(DRM_COMMAND_BASE + DRM_PSB_TTM_FENCE_UNREF,	\
-		 struct ttm_fence_unref_arg)
 
 static int psb_vt_leave_ioctl(struct drm_device *dev, void *data,
 			      struct drm_file *file_priv);
@@ -246,35 +182,12 @@ static struct drm_ioctl_desc psb_ioctls[] = {
 	PSB_IOCTL_DEF(DRM_IOCTL_PSB_GTT_UNMAP,
 			psb_gtt_unmap_meminfo_ioctl,
 			DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_GETPAGEADDRS,
-			psb_getpageaddrs_ioctl,
-			DRM_AUTH),
 	PSB_IOCTL_DEF(DRM_IOCTL_PSB_DPST, psb_dpst_ioctl, DRM_AUTH),
 	PSB_IOCTL_DEF(DRM_IOCTL_PSB_GAMMA, psb_gamma_ioctl, DRM_AUTH),
 	PSB_IOCTL_DEF(DRM_IOCTL_PSB_DPST_BL, psb_dpst_bl_ioctl, DRM_AUTH),
 	PSB_IOCTL_DEF(DRM_IOCTL_PSB_GET_PIPE_FROM_CRTC_ID,
 					psb_intel_get_pipe_from_crtc_id, 0),
 
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_TTM_PL_CREATE, psb_pl_create_ioctl,
-		      DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_TTM_PL_REFERENCE, psb_pl_reference_ioctl,
-		      DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_TTM_PL_UNREF, psb_pl_unref_ioctl,
-		      DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_TTM_PL_SYNCCPU, psb_pl_synccpu_ioctl,
-		      DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_TTM_PL_WAITIDLE, psb_pl_waitidle_ioctl,
-		      DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_TTM_PL_SETSTATUS, psb_pl_setstatus_ioctl,
-		      DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_TTM_PL_CREATE_UB, psb_pl_ub_create_ioctl,
-		      DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_TTM_FENCE_SIGNALED,
-		      psb_fence_signaled_ioctl, DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_TTM_FENCE_FINISH, psb_fence_finish_ioctl,
-		      DRM_AUTH),
-	PSB_IOCTL_DEF(DRM_IOCTL_PSB_TTM_FENCE_UNREF, psb_fence_unref_ioctl,
-		      DRM_AUTH),
 };
 
 static void psb_set_uopt(struct drm_psb_uopt *uopt)
@@ -289,20 +202,7 @@ static void psb_lastclose(struct drm_device *dev)
 
 static void psb_do_takedown(struct drm_device *dev)
 {
-	struct drm_psb_private *dev_priv =
-	    (struct drm_psb_private *) dev->dev_private;
-	struct ttm_bo_device *bdev = &dev_priv->bdev;
-
-
-	if (dev_priv->have_mem_mmu) {
-		ttm_bo_clean_mm(bdev, DRM_PSB_MEM_MMU);
-		dev_priv->have_mem_mmu = 0;
-	}
-
-	if (dev_priv->have_tt) {
-		ttm_bo_clean_mm(bdev, TTM_PL_TT);
-		dev_priv->have_tt = 0;
-	}
+	/* FIXME: do we need to clean up the gtt here ? */
 }
 
 void mrst_get_fuse_settings(struct drm_device *dev)
@@ -551,7 +451,6 @@ static int psb_do_init(struct drm_device *dev)
 {
 	struct drm_psb_private *dev_priv =
 	    (struct drm_psb_private *) dev->dev_private;
-	struct ttm_bo_device *bdev = &dev_priv->bdev;
 	struct psb_gtt *pg = dev_priv->pg;
 
 	uint32_t stolen_gtt;
@@ -560,16 +459,6 @@ static int psb_do_init(struct drm_device *dev)
 
 	int ret = -ENOMEM;
 
-
-	/*
-	 * Initialize sequence numbers for the different command
-	 * submission mechanisms.
-	 */
-
-	dev_priv->sequence[PSB_ENGINE_2D] = 0;
-	dev_priv->sequence[PSB_ENGINE_VIDEO] = 0;
-	dev_priv->sequence[LNC_ENGINE_ENCODE] = 0;
-
 	if (pg->mmu_gatt_start & 0x0FFFFFFF) {
 		DRM_ERROR("Gatt must be 256M aligned. This is a bug.\n");
 		ret = -EINVAL;
@@ -620,22 +509,6 @@ static int psb_do_init(struct drm_device *dev)
        
       	PSB_WSGX32(pg->mmu_gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
 
-	/* TT region managed by TTM. */
-	if (!ttm_bo_init_mm(bdev, TTM_PL_TT, pg->gatt_pages)) {
-		dev_priv->have_tt = 1;
-		dev_priv->sizes.tt_size =
-			(tt_pages << PAGE_SHIFT) / (1024 * 1024) / 2;
-	}
-
-	if (!ttm_bo_init_mm(bdev,
-			DRM_PSB_MEM_MMU,
-			PSB_MEM_TT_START >> PAGE_SHIFT)) {
-		dev_priv->have_mem_mmu = 1;
-		dev_priv->sizes.mmu_size =
-			PSB_MEM_TT_START / (1024*1024);
-	}
-
-	PSB_DEBUG_INIT("Init MSVDX\n");
 	return 0;
 out_err:
 	psb_do_takedown(dev);
@@ -682,14 +555,6 @@ static int psb_driver_unload(struct drm_device *dev)
 			__free_page(dev_priv->scratch_page);
 			dev_priv->scratch_page = NULL;
 		}
-		if (dev_priv->has_bo_device) {
-			ttm_bo_device_release(&dev_priv->bdev);
-			dev_priv->has_bo_device = 0;
-		}
-		if (dev_priv->has_fence_device) {
-			ttm_fence_device_release(&dev_priv->fdev);
-			dev_priv->has_fence_device = 0;
-		}
 		if (dev_priv->vdc_reg) {
 			iounmap(dev_priv->vdc_reg);
 			dev_priv->vdc_reg = NULL;
@@ -699,12 +564,6 @@ static int psb_driver_unload(struct drm_device *dev)
 			dev_priv->sgx_reg = NULL;
 		}
 
-		if (dev_priv->tdev)
-			ttm_object_device_release(&dev_priv->tdev);
-
-		if (dev_priv->has_global)
-			psb_ttm_global_release(dev_priv);
-
 		kfree(dev_priv);
 		dev->dev_private = NULL;
 
@@ -721,7 +580,6 @@ static int psb_driver_unload(struct drm_device *dev)
 static int psb_driver_load(struct drm_device *dev, unsigned long chipset)
 {
 	struct drm_psb_private *dev_priv;
-	struct ttm_bo_device *bdev;
 	unsigned long resource_start;
 	struct psb_gtt *pg;
 	unsigned long irqflags;
@@ -738,24 +596,10 @@ static int psb_driver_load(struct drm_device *dev, unsigned long chipset)
 		dev_priv->num_pipe = 2;
 
 	dev_priv->dev = dev;
-	bdev = &dev_priv->bdev;
-
-	ret = psb_ttm_global_init(dev_priv);
-	if (unlikely(ret != 0))
-		goto out_err;
-	dev_priv->has_global = 1;
-
-	dev_priv->tdev = ttm_object_device_init
-		(dev_priv->mem_global_ref.object, PSB_OBJECT_HASH_ORDER);
-	if (unlikely(dev_priv->tdev == NULL))
-		goto out_err;
 
 	mutex_init(&dev_priv->temp_mem);
 	mutex_init(&dev_priv->cmdbuf_mutex);
 	mutex_init(&dev_priv->reset_mutex);
-
-/*	mutex_init(&dev_priv->dsr_mutex); */
-
 	spin_lock_init(&dev_priv->reloc_lock);
 
 	DRM_INIT_WAITQUEUE(&dev_priv->rel_mapped_queue);
@@ -788,25 +632,9 @@ static int psb_driver_load(struct drm_device *dev, unsigned long chipset)
 		psb_intel_init_bios(dev);
 	}
 
-	PSB_DEBUG_INIT("Init TTM fence and BO driver\n");
-
 	/* Init OSPM support */
 	ospm_power_init(dev);
 
-	ret = psb_ttm_fence_device_init(&dev_priv->fdev);
-	if (unlikely(ret != 0))
-		goto out_err;
-
-	dev_priv->has_fence_device = 1;
-	ret = ttm_bo_device_init(bdev,
-				 dev_priv->bo_global_ref.ref.object,
-				 &psb_ttm_bo_driver,
-				 DRM_PSB_FILE_PAGE_OFFSET, false);
-	if (unlikely(ret != 0))
-		goto out_err;
-	dev_priv->has_bo_device = 1;
-	ttm_lock_init(&dev_priv->ttm_lock);
-
 	ret = -ENOMEM;
 
 	dev_priv->scratch_page = alloc_page(GFP_DMA32 | __GFP_ZERO);
@@ -846,10 +674,6 @@ static int psb_driver_load(struct drm_device *dev, unsigned long chipset)
 	psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0);
 	psb_mmu_set_pd_context(dev_priv->pf_pd, 1);
 
-	spin_lock_init(&dev_priv->sequence_lock);
-
-	PSB_DEBUG_INIT("Begin to init MSVDX/Topaz\n");
-
 	ret = psb_do_init(dev);
 	if (ret)
 		return ret;
@@ -901,11 +725,6 @@ static int psb_driver_load(struct drm_device *dev, unsigned long chipset)
 #endif
 	/*Intel drm driver load is done, continue doing pvr load*/
 	DRM_DEBUG("Pvr driver load\n");
-
-/*	if (PVRCore_Init() < 0)
-		goto out_err; */
-/*	if (MRSTLFBInit(dev) < 0)
-		goto out_err;*/
 	return 0;
 out_err:
 	psb_driver_unload(dev);
@@ -921,40 +740,13 @@ int psb_driver_device_is_agp(struct drm_device *dev)
 static int psb_vt_leave_ioctl(struct drm_device *dev, void *data,
 			      struct drm_file *file_priv)
 {
-	struct drm_psb_private *dev_priv = psb_priv(dev);
-	struct ttm_bo_device *bdev = &dev_priv->bdev;
-	struct ttm_mem_type_manager *man;
-	int ret;
-
-	ret = ttm_vt_lock(&dev_priv->ttm_lock, 1,
-			     psb_fpriv(file_priv)->tfile);
-	if (unlikely(ret != 0))
-		return ret;
-
-	ret = ttm_bo_evict_mm(&dev_priv->bdev, TTM_PL_TT);
-	if (unlikely(ret != 0))
-		goto out_unlock;
-
-	man = &bdev->man[TTM_PL_TT];
-
-#if 0		/* What to do with this ? */
-	if (unlikely(!drm_mm_clean(&man->manager)))
-		DRM_INFO("Warning: GATT was not clean after VT switch.\n");
-#endif
-
-	ttm_bo_swapout_all(&dev_priv->bdev);
-
 	return 0;
-out_unlock:
-	(void) ttm_vt_unlock(&dev_priv->ttm_lock);
-	return ret;
 }
 
 static int psb_vt_enter_ioctl(struct drm_device *dev, void *data,
 			      struct drm_file *file_priv)
 {
-	struct drm_psb_private *dev_priv = psb_priv(dev);
-	return ttm_vt_unlock(&dev_priv->ttm_lock);
+	return 0;
 }
 
 static int psb_sizes_ioctl(struct drm_device *dev, void *data,
@@ -1636,8 +1428,7 @@ static long psb_unlocked_ioctl(struct file *filp, unsigned int cmd,
 		dev_priv->rpm_enabled = 1;
 	}
 	/*
-	 * The driver private ioctls and TTM ioctls should be
-	 * thread-safe.
+	 * The driver private ioctls should be thread-safe.
 	 */
 
 	if ((nr >= DRM_COMMAND_BASE) && (nr < DRM_COMMAND_END)
@@ -1675,6 +1466,16 @@ static void psb_remove(struct pci_dev *pdev)
 	drm_put_dev(dev);
 }
 
+static int psb_open(struct inode *inode, struct file *filp)
+{
+	return 0;
+}
+
+static int psb_release(struct inode *inode, struct file *filp)
+{
+	return 0;
+}
+
 
 static const struct dev_pm_ops psb_pm_ops = {
 	.runtime_suspend = psb_runtime_suspend,
@@ -1714,7 +1515,7 @@ static struct drm_driver driver = {
 		 .open = psb_open,
 		 .release = psb_release,
 		 .unlocked_ioctl = psb_unlocked_ioctl,
-		 .mmap = psb_mmap,
+		/* .mmap = psb_mmap, */
 		 .poll = psb_poll,
 		 .fasync = drm_fasync,
 		 .read = drm_read,
diff --git a/drivers/staging/gma500/psb_drv.h b/drivers/staging/gma500/psb_drv.h
index c2fd475a863..aad09fb2a35 100644
--- a/drivers/staging/gma500/psb_drv.h
+++ b/