Set the drm bus map type for each buffer object memory type.
[platform/upstream/libdrm.git] / linux-core / i915_buffer.c
index 7655902..374b28d 100644 (file)
@@ -33,7 +33,6 @@
 #include "i915_drm.h"
 #include "i915_drv.h"
 
-
 drm_ttm_backend_t *i915_create_ttm_backend_entry(drm_device_t * dev)
 {
        return drm_agp_init_ttm(dev, NULL);
@@ -65,64 +64,63 @@ int i915_invalidate_caches(drm_device_t * dev, uint32_t flags)
        return i915_emit_mi_flush(dev, flush_cmd);
 }
 
-int i915_init_mem_type(drm_device_t *dev, uint32_t type, 
-                      drm_mem_type_manager_t *man)
+int i915_init_mem_type(drm_device_t * dev, uint32_t type,
+                      drm_mem_type_manager_t * man)
 {
-       switch(type) {
+       switch (type) {
        case DRM_BO_MEM_LOCAL:
                man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
-                       _DRM_FLAG_MEMTYPE_CACHED;
+                   _DRM_FLAG_MEMTYPE_CACHED;
+               man->drm_bus_maptype = 0;
                break;
        case DRM_BO_MEM_TT:
                if (!(drm_core_has_AGP(dev) && dev->agp)) {
-                       DRM_ERROR("AGP is not enabled for memory type %u\n", 
-                                 (unsigned) type);
+                       DRM_ERROR("AGP is not enabled for memory type %u\n",
+                                 (unsigned)type);
                        return -EINVAL;
                }
                man->io_offset = dev->agp->agp_info.aper_base;
                man->io_size = dev->agp->agp_info.aper_size * 1024 * 1024;
                man->io_addr = NULL;
                man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
-                       _DRM_FLAG_MEMTYPE_CSELECT |
-                       _DRM_FLAG_NEEDS_IOREMAP;
+                   _DRM_FLAG_MEMTYPE_CSELECT | _DRM_FLAG_NEEDS_IOREMAP;
+               man->drm_bus_maptype = _DRM_AGP;
                break;
        case DRM_BO_MEM_PRIV0:
                if (!(drm_core_has_AGP(dev) && dev->agp)) {
-                       DRM_ERROR("AGP is not enabled for memory type %u\n", 
-                                 (unsigned) type);
+                       DRM_ERROR("AGP is not enabled for memory type %u\n",
+                                 (unsigned)type);
                        return -EINVAL;
                }
                man->io_offset = dev->agp->agp_info.aper_base;
                man->io_size = dev->agp->agp_info.aper_size * 1024 * 1024;
                man->io_addr = NULL;
-               man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
-                       _DRM_FLAG_MEMTYPE_FIXED |
-                       _DRM_FLAG_NEEDS_IOREMAP;
-
+               man->flags =  _DRM_FLAG_MEMTYPE_MAPPABLE |
+                   _DRM_FLAG_MEMTYPE_FIXED | _DRM_FLAG_NEEDS_IOREMAP;
+               man->drm_bus_maptype = _DRM_AGP;
                break;
        default:
-               DRM_ERROR("Unsupported memory type %u\n", (unsigned) type);
+               DRM_ERROR("Unsupported memory type %u\n", (unsigned)type);
                return -EINVAL;
        }
        return 0;
 }
 
-uint32_t i915_evict_flags(drm_device_t *dev, uint32_t type)
+uint32_t i915_evict_flags(drm_device_t * dev, uint32_t type)
 {
-       switch(type) {
+       switch (type) {
        case DRM_BO_MEM_LOCAL:
        case DRM_BO_MEM_TT:
                return DRM_BO_FLAG_MEM_LOCAL;
        default:
-               return DRM_BO_FLAG_MEM_TT;
+               return DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_CACHED;
        }
 }
 
-static void i915_emit_copy_blit(drm_device_t *dev,
-                        uint32_t src_offset,
-                        uint32_t dst_offset,
-                        uint32_t pages,
-                        int direction)
+static void i915_emit_copy_blit(drm_device_t * dev,
+                               uint32_t src_offset,
+                               uint32_t dst_offset,
+                               uint32_t pages, int direction)
 {
        uint32_t cur_pages;
        uint32_t stride = PAGE_SIZE;
@@ -131,9 +129,9 @@ static void i915_emit_copy_blit(drm_device_t *dev,
 
        if (!dev_priv)
                return;
-       
+
        i915_kernel_lost_context(dev);
-       while(pages > 0) {
+       while (pages > 0) {
                cur_pages = pages;
                if (cur_pages > 2048)
                        cur_pages = 2048;
@@ -142,7 +140,7 @@ static void i915_emit_copy_blit(drm_device_t *dev,
                BEGIN_LP_RING(6);
                OUT_RING(SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA |
                         XY_SRC_COPY_BLT_WRITE_RGB);
-               OUT_RING((stride & 0xffff) | ( 0xcc << 16) | (1 << 24) | 
+               OUT_RING((stride & 0xffff) | (0xcc << 16) | (1 << 24) |
                         (1 << 25) | (direction ? (1 << 30) : 0));
                OUT_RING((cur_pages << 16) | PAGE_SIZE);
                OUT_RING(dst_offset);
@@ -153,33 +151,29 @@ static void i915_emit_copy_blit(drm_device_t *dev,
        return;
 }
 
-static int i915_move_blit(drm_buffer_object_t *bo,
-                         int evict,
-                         int no_wait,
-                         drm_bo_mem_reg_t *new_mem)
+static int i915_move_blit(drm_buffer_object_t * bo,
+                         int evict, int no_wait, drm_bo_mem_reg_t * new_mem)
 {
        drm_bo_mem_reg_t *old_mem = &bo->mem;
        int dir = 0;
 
-       if ((old_mem->mem_type == new_mem->mem_type) && 
-           (new_mem->mm_node->start < 
-            old_mem->mm_node->start +  old_mem->mm_node->size)) {
+       if ((old_mem->mem_type == new_mem->mem_type) &&
+           (new_mem->mm_node->start <
+            old_mem->mm_node->start + old_mem->mm_node->size)) {
                dir = 1;
        }
 
        i915_emit_copy_blit(bo->dev,
                            old_mem->mm_node->start << PAGE_SHIFT,
                            new_mem->mm_node->start << PAGE_SHIFT,
-                           new_mem->num_pages,
-                           dir);
+                           new_mem->num_pages, dir);
 
        i915_emit_mi_flush(bo->dev, MI_READ_FLUSH | MI_EXE_FLUSH);
 
        return drm_bo_move_accel_cleanup(bo, evict, no_wait,
                                         DRM_FENCE_TYPE_EXE |
-                                        DRM_I915_FENCE_TYPE_RW, 
-                                        DRM_I915_FENCE_FLAG_FLUSHED, 
-                                        new_mem);
+                                        DRM_I915_FENCE_TYPE_RW,
+                                        DRM_I915_FENCE_FLAG_FLUSHED, new_mem);
 }
 
 /*
@@ -187,11 +181,8 @@ static int i915_move_blit(drm_buffer_object_t *bo,
  * then blit and subsequently move out again.
  */
 
-
-static int i915_move_flip(drm_buffer_object_t *bo,
-                         int evict,
-                         int no_wait,
-                         drm_bo_mem_reg_t *new_mem)
+static int i915_move_flip(drm_buffer_object_t * bo,
+                         int evict, int no_wait, drm_bo_mem_reg_t * new_mem)
 {
        drm_device_t *dev = bo->dev;
        drm_bo_mem_reg_t tmp_mem;
@@ -200,50 +191,45 @@ static int i915_move_flip(drm_buffer_object_t *bo,
        tmp_mem = *new_mem;
        tmp_mem.mm_node = NULL;
        tmp_mem.mask = DRM_BO_FLAG_MEM_TT |
-               DRM_BO_FLAG_CACHED  |
-               DRM_BO_FLAG_FORCE_CACHING;
-       
+           DRM_BO_FLAG_CACHED | DRM_BO_FLAG_FORCE_CACHING;
+
        ret = drm_bo_mem_space(bo, &tmp_mem, no_wait);
-       if (ret) 
+       if (ret)
                return ret;
-       
+
        ret = drm_bind_ttm(bo->ttm, 1, tmp_mem.mm_node->start);
-       if (ret) 
+       if (ret)
                goto out_cleanup;
 
        ret = i915_move_blit(bo, 1, no_wait, &tmp_mem);
-       if (ret) 
+       if (ret)
                goto out_cleanup;
-       
+
        ret = drm_bo_move_ttm(bo, evict, no_wait, new_mem);
 out_cleanup:
        if (tmp_mem.mm_node) {
                mutex_lock(&dev->struct_mutex);
-               drm_mm_put_block(tmp_mem.mm_node);
+               if (tmp_mem.mm_node != bo->pinned_node)
+                       drm_mm_put_block(tmp_mem.mm_node);
                tmp_mem.mm_node = NULL;
                mutex_unlock(&dev->struct_mutex);
        }
        return ret;
 }
 
-       
-int i915_move(drm_buffer_object_t *bo,
-             int evict,
-             int no_wait,
-             drm_bo_mem_reg_t *new_mem)
+int i915_move(drm_buffer_object_t * bo,
+             int evict, int no_wait, drm_bo_mem_reg_t * new_mem)
 {
        drm_bo_mem_reg_t *old_mem = &bo->mem;
 
        if (old_mem->mem_type == DRM_BO_MEM_LOCAL) {
                return drm_bo_move_memcpy(bo, evict, no_wait, new_mem);
        } else if (new_mem->mem_type == DRM_BO_MEM_LOCAL) {
-               if (i915_move_flip(bo, evict, no_wait, new_mem)) 
-                       return drm_bo_move_memcpy(bo, evict, no_wait, 
-                                                 new_mem);
+               if (i915_move_flip(bo, evict, no_wait, new_mem))
+                       return drm_bo_move_memcpy(bo, evict, no_wait, new_mem);
        } else {
                if (i915_move_blit(bo, evict, no_wait, new_mem))
-                       return drm_bo_move_memcpy(bo, evict, no_wait, 
-                                                 new_mem);
+                       return drm_bo_move_memcpy(bo, evict, no_wait, new_mem);
        }
        return 0;
 }