diff options
Diffstat (limited to 'drivers/staging/gma500/psb_sgx.c')
| -rw-r--r-- | drivers/staging/gma500/psb_sgx.c | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/drivers/staging/gma500/psb_sgx.c b/drivers/staging/gma500/psb_sgx.c deleted file mode 100644 index 973134bc2345..000000000000 --- a/drivers/staging/gma500/psb_sgx.c +++ /dev/null @@ -1,238 +0,0 @@ -/************************************************************************** - * Copyright (c) 2007, Intel Corporation. - * All Rights Reserved. - * Copyright (c) 2008, Tungsten Graphics, Inc. Cedar Park, TX. USA. - * All Rights Reserved. - * - * 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. - * - **************************************************************************/ - -#include <drm/drmP.h> -#include "psb_drv.h" -#include "psb_drm.h" -#include "psb_reg.h" -#include "ttm/ttm_bo_api.h" -#include "ttm/ttm_execbuf_util.h" -#include "psb_ttm_userobj_api.h" -#include "ttm/ttm_placement.h" -#include "psb_sgx.h" -#include "psb_intel_reg.h" -#include "psb_powermgmt.h" - - -static inline int psb_same_page(unsigned long offset, - unsigned long offset2) -{ - return (offset & PAGE_MASK) == (offset2 & PAGE_MASK); -} - -static inline unsigned long psb_offset_end(unsigned long offset, - unsigned long end) -{ - offset = (offset + PAGE_SIZE) & PAGE_MASK; - return (end < offset) ? end : offset; -} - -struct psb_dstbuf_cache { - unsigned int dst; - struct ttm_buffer_object *dst_buf; - unsigned long dst_offset; - uint32_t *dst_page; - unsigned int dst_page_offset; - struct ttm_bo_kmap_obj dst_kmap; - bool dst_is_iomem; -}; - -struct psb_validate_buffer { - struct ttm_validate_buffer base; - struct psb_validate_req req; - int ret; - struct psb_validate_arg __user *user_val_arg; - uint32_t flags; - uint32_t offset; - int po_correct; -}; -static int -psb_placement_fence_type(struct ttm_buffer_object *bo, - uint64_t set_val_flags, - uint64_t clr_val_flags, - uint32_t new_fence_class, - uint32_t *new_fence_type) -{ - int ret; - uint32_t n_fence_type; - /* - uint32_t set_flags = set_val_flags & 0xFFFFFFFF; - uint32_t clr_flags = clr_val_flags & 0xFFFFFFFF; - */ - struct ttm_fence_object *old_fence; - uint32_t old_fence_type; - struct ttm_placement placement; - - if (unlikely - (!(set_val_flags & - (PSB_GPU_ACCESS_READ | PSB_GPU_ACCESS_WRITE)))) { - DRM_ERROR - ("GPU access type (read / write) is not indicated.\n"); - return -EINVAL; - } - - /* User space driver doesn't set any TTM placement flags in - set_val_flags or clr_val_flags */ - placement.num_placement = 0;/* FIXME */ - placement.num_busy_placement = 0; - placement.fpfn = 0; - placement.lpfn = 0; - ret = psb_ttm_bo_check_placement(bo, &placement); - if (unlikely(ret != 0)) - return ret; - - switch (new_fence_class) { - default: - n_fence_type = _PSB_FENCE_TYPE_EXE; - } - - *new_fence_type = n_fence_type; - old_fence = (struct ttm_fence_object *) bo->sync_obj; - old_fence_type = (uint32_t) (unsigned long) bo->sync_obj_arg; - - if (old_fence && ((new_fence_class != old_fence->fence_class) || - ((n_fence_type ^ old_fence_type) & - old_fence_type))) { - ret = ttm_bo_wait(bo, 0, 1, 0); - if (unlikely(ret != 0)) - return ret; - } - /* - bo->proposed_flags = (bo->proposed_flags | set_flags) - & ~clr_flags & TTM_PL_MASK_MEMTYPE; - */ - return 0; -} - -int psb_validate_kernel_buffer(struct psb_context *context, - struct ttm_buffer_object *bo, - uint32_t fence_class, - uint64_t set_flags, uint64_t clr_flags) -{ - struct psb_validate_buffer *item; - uint32_t cur_fence_type; - int ret; - - if (unlikely(context->used_buffers >= PSB_NUM_VALIDATE_BUFFERS)) { - DRM_ERROR("Out of free validation buffer entries for " - "kernel buffer validation.\n"); - return -ENOMEM; - } - - item = &context->buffers[context->used_buffers]; - item->user_val_arg = NULL; - item->base.reserved = 0; - - ret = ttm_bo_reserve(bo, 1, 0, 1, context->val_seq); - if (unlikely(ret != 0)) - return ret; - - ret = psb_placement_fence_type(bo, set_flags, clr_flags, fence_class, - &cur_fence_type); - if (unlikely(ret != 0)) { - ttm_bo_unreserve(bo); - return ret; - } - - item->base.bo = ttm_bo_reference(bo); - item->base.new_sync_obj_arg = (void *) (unsigned long) cur_fence_type; - item->base.reserved = 1; - - /* Internal locking ??? FIXMEAC */ - list_add_tail(&item->base.head, &context->kern_validate_list); - context->used_buffers++; - /* - ret = ttm_bo_validate(bo, 1, 0, 0); - if (unlikely(ret != 0)) - goto out_unlock; - */ - item->offset = bo->offset; - item->flags = bo->mem.placement; - context->fence_types |= cur_fence_type; - - return ret; -} - -void psb_fence_or_sync(struct drm_file *file_priv, - uint32_t engine, - uint32_t fence_types, - uint32_t fence_flags, - struct list_head *list, - struct psb_ttm_fence_rep *fence_arg, - struct ttm_fence_object **fence_p) -{ - struct drm_device *dev = file_priv->minor->dev; - struct drm_psb_private *dev_priv = psb_priv(dev); - struct ttm_fence_device *fdev = &dev_priv->fdev; - int ret; - struct ttm_fence_object *fence; - struct ttm_object_file *tfile = psb_fpriv(file_priv)->tfile; - uint32_t handle; - - ret = ttm_fence_user_create(fdev, tfile, - engine, fence_types, - TTM_FENCE_FLAG_EMIT, &fence, &handle); - if (ret) { - - /* - * Fence creation failed. - * Fall back to synchronous operation and idle the engine. - */ - - if (!(fence_flags & DRM_PSB_FENCE_NO_USER)) { - - /* - * Communicate to user-space that - * fence creation has failed and that - * the engine is idle. - */ - - fence_arg->handle = ~0; - fence_arg->error = ret; - } - - ttm_eu_backoff_reservation(list); - if (fence_p) - *fence_p = NULL; - return; - } - - ttm_eu_fence_buffer_objects(list, fence); - if (!(fence_flags & DRM_PSB_FENCE_NO_USER)) { - struct ttm_fence_info info = ttm_fence_get_info(fence); - fence_arg->handle = handle; - fence_arg->fence_class = ttm_fence_class(fence); - fence_arg->fence_type = ttm_fence_types(fence); - fence_arg->signaled_types = info.signaled_types; - fence_arg->error = 0; - } else { - ret = - ttm_ref_object_base_unref(tfile, handle, - ttm_fence_type); - BUG_ON(ret); - } - - if (fence_p) - *fence_p = fence; - else if (fence) - ttm_fence_object_unref(&fence); -} - |