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-rw-r--r--linux-core/Makefile.kernel2
-rw-r--r--linux-core/drmP.h34
-rw-r--r--linux-core/drm_bo.c353
-rw-r--r--linux-core/drm_bo_move.c75
-rw-r--r--linux-core/drm_vm.c2
-rw-r--r--linux-core/i915_drv.c1
6 files changed, 264 insertions, 203 deletions
diff --git a/linux-core/Makefile.kernel b/linux-core/Makefile.kernel
index b531a70f..a6910d73 100644
--- a/linux-core/Makefile.kernel
+++ b/linux-core/Makefile.kernel
@@ -13,7 +13,7 @@ drm-objs := drm_auth.o drm_bufs.o drm_context.o drm_dma.o drm_drawable.o \
drm_sysfs.o drm_pci.o drm_agpsupport.o drm_scatter.o \
drm_memory_debug.o ati_pcigart.o drm_sman.o \
drm_hashtab.o drm_mm.o drm_object.o drm_compat.o \
- drm_fence.o drm_ttm.o drm_bo.o
+ drm_fence.o drm_ttm.o drm_bo.o drm_bo_move.o
tdfx-objs := tdfx_drv.o
r128-objs := r128_drv.o r128_cce.o r128_state.o r128_irq.o
mga-objs := mga_drv.o mga_dma.o mga_state.o mga_warp.o mga_irq.o
diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index 62efddd9..cdab1cb1 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -669,6 +669,16 @@ typedef struct drm_mem_type_manager {
void *io_addr;
} drm_mem_type_manager_t;
+typedef struct drm_bo_mem_reg {
+ drm_mm_node_t *mm_node;
+ unsigned long size;
+ unsigned long num_pages;
+ uint32_t page_alignment;
+ uint32_t mem_type;
+ uint32_t flags;
+ uint32_t mask;
+} drm_bo_mem_reg_t;
+
/*
* buffer object driver
*/
@@ -685,6 +695,10 @@ typedef struct drm_bo_driver{
int (*init_mem_type)(struct drm_device *dev, uint32_t type,
drm_mem_type_manager_t *man);
uint32_t (*evict_flags) (struct drm_device *dev, uint32_t type);
+ int (*move)(struct drm_device *dev,
+ struct drm_ttm *ttm, int evict, int no_wait,
+ struct drm_bo_mem_reg *old_mem,
+ struct drm_bo_mem_reg *new_mem);
} drm_bo_driver_t;
@@ -999,16 +1013,6 @@ typedef struct drm_fence_object{
uint32_t submitted_flush;
} drm_fence_object_t;
-typedef struct drm_bo_mem_reg {
- drm_mm_node_t *mm_node;
- unsigned long size;
- unsigned long num_pages;
- uint32_t page_alignment;
- uint32_t mem_type;
- uint32_t flags;
- uint32_t mask;
-} drm_bo_mem_reg_t;
-
typedef struct drm_buffer_object{
drm_device_t *dev;
@@ -1506,6 +1510,16 @@ extern int drm_fence_buffer_objects(drm_file_t * priv,
uint32_t fence_flags,
drm_fence_object_t *fence,
drm_fence_object_t **used_fence);
+/*
+ * Buffer object memory move helpers.
+ * drm_bo_move.c
+ */
+
+extern int drm_bo_move_ttm(drm_device_t *dev,
+ drm_ttm_t *ttm, int evict,
+ int no_wait,
+ drm_bo_mem_reg_t *old_mem,
+ drm_bo_mem_reg_t *new_mem);
extern void drm_core_ioremap(struct drm_map *map, struct drm_device *dev);
extern void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev);
diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c
index 16c89f61..3f1e891d 100644
--- a/linux-core/drm_bo.c
+++ b/linux-core/drm_bo.c
@@ -78,22 +78,6 @@ static void drm_bo_add_to_lru(drm_buffer_object_t * bo,
struct list_head *list;
drm_mem_type_manager_t *man;
- bo->mem.mem_type = 0;
-
- switch(bo->mem.flags & DRM_BO_MASK_MEM) {
- case DRM_BO_FLAG_MEM_TT:
- bo->mem.mem_type = DRM_BO_MEM_TT;
- break;
- case DRM_BO_FLAG_MEM_VRAM:
- bo->mem.mem_type = DRM_BO_MEM_VRAM;
- break;
- case DRM_BO_FLAG_MEM_LOCAL:
- bo->mem.mem_type = DRM_BO_MEM_LOCAL;
- break;
- default:
- BUG_ON(1);
- }
-
man = &bm->man[bo->mem.mem_type];
list = (bo->mem.flags & (DRM_BO_FLAG_NO_EVICT | DRM_BO_FLAG_NO_MOVE)) ?
&man->pinned : &man->lru;
@@ -101,53 +85,136 @@ static void drm_bo_add_to_lru(drm_buffer_object_t * bo,
return;
}
+static int drm_bo_vm_pre_move(drm_buffer_object_t *bo,
+ int old_is_pci)
+{
+#ifdef DRM_ODD_MM_COMPAT
+ int ret;
+
+ ret = drm_bo_lock_kmm(bo);
+ if (ret) {
+ if (ret == -EAGAIN)
+ schedule();
+ return ret;
+ }
+ drm_bo_unmap_virtual(bo);
+ if (old_is_pci)
+ drm_bo_finish_unmap(bo);
+#else
+ drm_bo_unmap_virtual(bo);
+#endif
+ return 0;
+}
+
+static void drm_bo_vm_post_move(drm_buffer_object_t *bo)
+{
+#ifdef DRM_ODD_MM_COMPAT
+ int ret;
+
+ ret = drm_bo_remap_bound(bo);
+ if (ret) {
+ DRM_ERROR("Failed to remap a bound buffer object.\n"
+ "\tThis might cause a sigbus later.\n");
+ }
+ drm_bo_unlock_kmm(bo);
+#endif
+}
+
/*
- * bo locked.
+ * Call bo->mutex locked.
*/
-static int drm_move_tt_to_local(drm_buffer_object_t * bo, int evict,
- int force_no_move)
+static int drm_bo_add_ttm(drm_buffer_object_t * bo)
{
drm_device_t *dev = bo->dev;
int ret = 0;
- if (bo->mem.mm_node) {
-#ifdef DRM_ODD_MM_COMPAT
- mutex_lock(&dev->struct_mutex);
- ret = drm_bo_lock_kmm(bo);
- if (ret) {
- mutex_unlock(&dev->struct_mutex);
- if (ret == -EAGAIN)
- schedule();
- return ret;
- }
- drm_bo_unmap_virtual(bo);
- drm_bo_finish_unmap(bo);
- drm_bo_unlock_kmm(bo);
-#else
- drm_bo_unmap_virtual(bo);
- mutex_lock(&dev->struct_mutex);
+ bo->ttm = NULL;
+
+ switch (bo->type) {
+ case drm_bo_type_dc:
+ bo->ttm = drm_ttm_init(dev, bo->mem.num_pages << PAGE_SHIFT);
+ if (!bo->ttm)
+ ret = -ENOMEM;
+ break;
+ case drm_bo_type_user:
+ case drm_bo_type_fake:
+ break;
+ default:
+ DRM_ERROR("Illegal buffer object type\n");
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+
+static int drm_bo_handle_move_mem(drm_buffer_object_t *bo,
+ drm_bo_mem_reg_t *mem,
+ int evict,
+ int no_wait)
+{
+ drm_device_t *dev = bo->dev;
+ drm_buffer_manager_t *bm = &dev->bm;
+ int old_is_pci = drm_mem_reg_is_pci(dev, &bo->mem);
+ int new_is_pci = drm_mem_reg_is_pci(dev, mem);
+ drm_mem_type_manager_t *old_man = &bm->man[bo->mem.mem_type];
+ drm_mem_type_manager_t *new_man = &bm->man[mem->mem_type];
+ int ret = 0;
+
+
+ if (old_is_pci || new_is_pci)
+ ret = drm_bo_vm_pre_move(bo, old_is_pci);
+ if (ret)
+ return ret;
+
+ if ((!(old_man->flags & _DRM_FLAG_MEMTYPE_FIXED) ||
+ !(new_man->flags & _DRM_FLAG_MEMTYPE_FIXED)) &&
+ (bo->ttm == NULL))
+ ret = drm_bo_add_ttm(bo);
+ if (ret)
+ return ret;
+
+ if (!(old_man->flags & _DRM_FLAG_MEMTYPE_FIXED) &&
+ !(new_man->flags & _DRM_FLAG_MEMTYPE_FIXED)) {
+ ret = drm_bo_move_ttm(dev, bo->ttm, evict, no_wait,
+ &bo->mem, mem);
+ } else if (dev->driver->bo_driver->move) {
+ ret = dev->driver->bo_driver->move(dev, bo->ttm, evict,
+ no_wait, &bo->mem, mem);
+ } else {
+ ret = -EINVAL;
+ DRM_ERROR("Unsupported function\n");
+#if 0
+ ret = drm_bo_move_memcpy(dev, bo->ttm, evict, no_wait,
+ &bo->mem, mem);
+ ret = 0;
#endif
- if (evict)
- drm_ttm_evict(bo->ttm);
- else
- drm_ttm_unbind(bo->ttm);
+ }
- bo->mem.mem_type = DRM_BO_MEM_LOCAL;
- if (!(bo->mem.flags & DRM_BO_FLAG_NO_MOVE) || force_no_move) {
- drm_mm_put_block(bo->mem.mm_node);
- bo->mem.mm_node = NULL;
- }
- mutex_unlock(&dev->struct_mutex);
+ if (old_is_pci || new_is_pci)
+ drm_bo_vm_post_move(bo);
+
+ if (ret)
+ return ret;
+
+ if (bo->priv_flags & _DRM_BO_FLAG_EVICTED) {
+ ret = dev->driver->bo_driver->invalidate_caches(dev, bo->mem.flags);
+ if (ret)
+ DRM_ERROR("Can not flush read caches\n");
}
+
+ DRM_FLAG_MASKED(bo->priv_flags,
+ (evict) ? _DRM_BO_FLAG_EVICTED : 0,
+ _DRM_BO_FLAG_EVICTED);
- bo->mem.flags &= ~DRM_BO_FLAG_MEM_TT;
- bo->mem.flags |= DRM_BO_FLAG_MEM_LOCAL | DRM_BO_FLAG_CACHED;
+ if (bo->mem.mm_node)
+ bo->offset = bo->mem.mm_node->start << PAGE_SHIFT;
return 0;
}
-
/*
* Call bo->mutex locked.
* Wait until the buffer is idle.
@@ -503,12 +570,11 @@ static int drm_bo_evict(drm_buffer_object_t * bo, unsigned mem_type,
/*
* Someone might have modified the buffer before we took the buffer mutex.
- */
+< */
if (bo->priv_flags & _DRM_BO_FLAG_UNFENCED)
goto out;
- if (!(bo->mem.flags & drm_bo_type_flags(mem_type)))
- goto out;
+ if (bo->mem.mem_type != mem_type)
ret = drm_bo_wait(bo, 0, 0, no_wait);
@@ -520,36 +586,36 @@ static int drm_bo_evict(drm_buffer_object_t * bo, unsigned mem_type,
evict_mem = bo->mem;
evict_mem.mask = dev->driver->bo_driver->evict_flags(dev, mem_type);
-
ret = drm_bo_mem_space(dev, &evict_mem, no_wait);
- if (ret && ret != -EAGAIN) {
- DRM_ERROR("Failed to find memory space for "
- "buffer eviction.\n");
+ if (ret) {
+ if (ret != -EAGAIN)
+ DRM_ERROR("Failed to find memory space for "
+ "buffer eviction.\n");
goto out;
}
- if ((mem_type != DRM_BO_MEM_TT) &&
- (evict_mem.mem_type != DRM_BO_MEM_LOCAL)) {
- ret = -EINVAL;
- DRM_ERROR("Unsupported memory types for eviction.\n");
+ ret = drm_bo_handle_move_mem(bo, &evict_mem, 1, no_wait);
+
+ if (ret) {
+ if (ret != -EAGAIN)
+ DRM_ERROR("Buffer eviction failed\n");
goto out;
}
-
- ret = drm_move_tt_to_local(bo, 1, force_no_move);
- if (ret)
- goto out;
+
mutex_lock(&dev->struct_mutex);
- list_del_init(&bo->lru);
+ if (evict_mem.mm_node) {
+ drm_mm_put_block(evict_mem.mm_node);
+ evict_mem.mm_node = NULL;
+ }
+ list_del(&bo->lru);
drm_bo_add_to_lru(bo, bm);
mutex_unlock(&dev->struct_mutex);
- if (ret)
- goto out;
-
DRM_FLAG_MASKED(bo->priv_flags, _DRM_BO_FLAG_EVICTED,
_DRM_BO_FLAG_EVICTED);
- out:
+
+out:
return ret;
}
@@ -682,74 +748,6 @@ static int drm_bo_mem_space(drm_device_t *dev,
return ret;
}
-
-
-
-static int drm_move_local_to_tt(drm_buffer_object_t * bo,
- drm_bo_mem_reg_t * mem,
- int no_wait)
-{
- drm_device_t *dev = bo->dev;
- int ret = 0;
-
- bo->mem.mm_node = mem->mm_node;
-
- DRM_DEBUG("Flipping in to AGP 0x%08lx 0x%08lx\n",
- bo->mem.mm_node->start, bo->mem.mm_node->size);
-
-#ifdef DRM_ODD_MM_COMPAT
- mutex_lock(&dev->struct_mutex);
- ret = drm_bo_lock_kmm(bo);
- if (ret) {
- mutex_unlock(&dev->struct_mutex);
- goto out_put_unlock;
- }
-#endif
- drm_bo_unmap_virtual(bo);
- ret = drm_bind_ttm(bo->ttm, bo->mem.flags & DRM_BO_FLAG_BIND_CACHED,
- bo->mem.mm_node->start);
-
- if (ret) {
-#ifdef DRM_ODD_MM_COMPAT
- drm_bo_unlock_kmm(bo);
- mutex_unlock(&dev->struct_mutex);
-#endif
- goto out_put_unlock;
- }
-
- if (!(bo->mem.flags & DRM_BO_FLAG_BIND_CACHED))
- bo->mem.flags &= ~DRM_BO_FLAG_CACHED;
- bo->mem.flags &= ~DRM_BO_MASK_MEM;
- bo->mem.flags |= DRM_BO_FLAG_MEM_TT;
- bo->mem.mem_type = DRM_BO_MEM_TT;
- bo->offset = bo->mem.mm_node->start << PAGE_SHIFT;
-
-#ifdef DRM_ODD_MM_COMPAT
- ret = drm_bo_remap_bound(bo);
- if (ret) {
- /* FIXME */
- }
- drm_bo_unlock_kmm(bo);
- mutex_unlock(&dev->struct_mutex);
-#endif
-
- if (bo->priv_flags & _DRM_BO_FLAG_EVICTED) {
- ret = dev->driver->bo_driver->invalidate_caches(dev, bo->mem.flags);
- if (ret)
- DRM_ERROR("Could not flush read caches\n");
- }
- DRM_FLAG_MASKED(bo->priv_flags, 0, _DRM_BO_FLAG_EVICTED);
-
- return 0;
-
-out_put_unlock:
- mutex_lock(&dev->struct_mutex);
- drm_mm_put_block(bo->mem.mm_node);
- bo->mem.mm_node = NULL;
- mutex_unlock(&dev->struct_mutex);
- return ret;
-}
-
static int drm_bo_new_flags(drm_device_t * dev,
uint32_t flags, uint32_t new_mask, uint32_t hint,
int init, uint32_t * n_flags, uint32_t * n_mask)
@@ -1249,19 +1247,21 @@ static int drm_bo_move_buffer(drm_buffer_object_t * bo, uint32_t new_mem_flags,
if (ret)
return ret;
- if (mem.mem_type == DRM_BO_MEM_TT) {
- ret = drm_move_local_to_tt(bo, &mem, no_wait);
- if (ret) {
- mutex_lock(&dev->struct_mutex);
- list_del_init(&bo->lru);
- drm_bo_add_to_lru(bo, bm);
- mutex_unlock(&dev->struct_mutex);
- DRM_FLAG_MASKED(bo->priv_flags, 0, _DRM_BO_FLAG_UNFENCED);
- return ret;
+ ret = drm_bo_handle_move_mem(bo, &mem, 0, no_wait);
+
+ if (ret) {
+ mutex_lock(&dev->struct_mutex);
+ if (mem.mm_node) {
+ drm_mm_put_block(mem.mm_node);
+ mem.mm_node = NULL;
}
- } else {
- drm_move_tt_to_local(bo, 0, force_no_move);
+ DRM_FLAG_MASKED(bo->priv_flags, 0, _DRM_BO_FLAG_UNFENCED);
+ list_del_init(&bo->lru);
+ drm_bo_add_to_lru(bo, bm);
+ mutex_unlock(&dev->struct_mutex);
+ return ret;
}
+
return 0;
}
@@ -1280,11 +1280,6 @@ static int drm_buffer_object_validate(drm_buffer_object_t * bo,
int ret;
- if (new_flags & DRM_BO_FLAG_MEM_VRAM) {
- DRM_ERROR("Vram support not implemented yet\n");
- return -EINVAL;
- }
-
DRM_DEBUG("New flags 0x%08x, Old flags 0x%08x\n", new_flags, bo->mem.flags);
ret = driver->fence_type(new_flags, &bo->fence_class, &bo->fence_type);
if (ret) {
@@ -1341,6 +1336,13 @@ static int drm_buffer_object_validate(drm_buffer_object_t * bo,
}
}
+
+ if (bo->mem.mem_type == DRM_BO_MEM_LOCAL && bo->ttm == NULL) {
+ ret = drm_bo_add_ttm(bo);
+ if (ret)
+ return ret;
+ }
+
if (move_unfenced) {
/*
@@ -1454,41 +1456,6 @@ static int drm_bo_handle_wait(drm_file_t * priv, uint32_t handle,
}
/*
- * Call bo->mutex locked.
- */
-
-static int drm_bo_add_ttm(drm_file_t * priv, drm_buffer_object_t * bo)
-{
- drm_device_t *dev = bo->dev;
- int ret = 0;
-
- bo->ttm = NULL;
- bo->map_list.user_token = 0ULL;
-
- switch (bo->type) {
- case drm_bo_type_dc:
- mutex_lock(&dev->struct_mutex);
- ret = drm_bo_setup_vm_locked(bo);
- mutex_unlock(&dev->struct_mutex);
- if (ret)
- break;
- bo->ttm = drm_ttm_init(dev, bo->mem.num_pages << PAGE_SHIFT);
- if (!bo->ttm)
- ret = -ENOMEM;
- break;
- case drm_bo_type_user:
- case drm_bo_type_fake:
- break;
- default:
- DRM_ERROR("Illegal buffer object type\n");
- ret = -EINVAL;
- break;
- }
-
- return ret;
-}
-
-/*
* Transfer a buffer object's memory and LRU status to a newly
* created object. User-space references remains with the old
* object. Call bo->mutex locked.
@@ -1591,10 +1558,14 @@ int drm_buffer_object_create(drm_file_t * priv,
1, &new_flags, &bo->mem.mask);
if (ret)
goto out_err;
- ret = drm_bo_add_ttm(priv, bo);
- if (ret)
- goto out_err;
-
+
+ if (bo->type == drm_bo_type_dc) {
+ mutex_lock(&dev->struct_mutex);
+ ret = drm_bo_setup_vm_locked(bo);
+ mutex_unlock(&dev->struct_mutex);
+ if (ret)
+ goto out_err;
+ }
ret = drm_buffer_object_validate(bo, new_flags, 0,
hint & DRM_BO_HINT_DONT_BLOCK);
if (ret)
diff --git a/linux-core/drm_bo_move.c b/linux-core/drm_bo_move.c
new file mode 100644
index 00000000..abfa8f80
--- /dev/null
+++ b/linux-core/drm_bo_move.c
@@ -0,0 +1,75 @@
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, TX., USA
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+/*
+ * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
+ */
+
+#include "drmP.h"
+
+int drm_bo_move_ttm(drm_device_t *dev,
+ drm_ttm_t *ttm,
+ int evict,
+ int no_wait,
+ drm_bo_mem_reg_t *old_mem,
+ drm_bo_mem_reg_t *new_mem)
+{
+ uint32_t save_flags = old_mem->flags;
+ uint32_t save_mask = old_mem->mask;
+ int ret;
+
+ if (old_mem->mem_type == DRM_BO_MEM_TT) {
+
+ if (evict)
+ drm_ttm_evict(ttm);
+ else
+ drm_ttm_unbind(ttm);
+
+ mutex_lock(&dev->struct_mutex);
+ drm_mm_put_block(old_mem->mm_node);
+ mutex_unlock(&dev->struct_mutex);
+ save_flags |= DRM_BO_FLAG_CACHED;
+
+ } else {
+
+ ret = drm_bind_ttm(ttm,
+ new_mem->flags & DRM_BO_FLAG_BIND_CACHED,
+ new_mem->mm_node->start);
+ if (ret)
+ return ret;
+
+ if (!(new_mem->flags & DRM_BO_FLAG_BIND_CACHED)) {
+ save_flags &= ~DRM_BO_FLAG_CACHED;
+ }
+
+ }
+
+ *old_mem = *new_mem;
+ new_mem->mm_node = NULL;
+ old_mem->mask = save_mask;
+ DRM_MASK_VAL(save_flags, new_mem->flags, DRM_BO_MASK_MEM);
+ return 0;
+}
diff --git a/linux-core/drm_vm.c b/linux-core/drm_vm.c
index 843fc362..416ac4ae 100644
--- a/linux-core/drm_vm.c
+++ b/linux-core/drm_vm.c
@@ -513,7 +513,6 @@ static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma)
/* Length must match exact page count */
if (!dma || (length >> PAGE_SHIFT) != dma->page_count) {
- unlock_kernel();
return -EINVAL;
}
@@ -588,6 +587,7 @@ static int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma)
* the AGP mapped at physical address 0
* --BenH.
*/
+
if (!vma->vm_pgoff
#if __OS_HAS_AGP
&& (!dev->agp
diff --git a/linux-core/i915_drv.c b/linux-core/i915_drv.c
index 8c39c249..19b63b7f 100644
--- a/linux-core/i915_drv.c
+++ b/linux-core/i915_drv.c
@@ -64,6 +64,7 @@ static drm_bo_driver_t i915_bo_driver = {
.invalidate_caches = i915_invalidate_caches,
.init_mem_type = i915_init_mem_type,
.evict_flags = i915_evict_flags,
+ .move = NULL,
};
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 21:02:39 +0000