diff options
Diffstat (limited to 'shared-core/i915_dma.c')
| -rw-r--r-- | shared-core/i915_dma.c | 46 |
1 files changed, 25 insertions, 21 deletions
diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c index 4f41a688..b916441d 100644 --- a/shared-core/i915_dma.c +++ b/shared-core/i915_dma.c @@ -833,6 +833,10 @@ int i915_apply_reloc(struct drm_file *file_priv, int num_buffers, int ret, i; int buf_index = -1; + /* + * FIXME: O(relocs * buffers) complexity. + */ + for (i = 0; i <= num_buffers; i++) if (buffers[i].buffer) if (reloc[2] == buffers[i].buffer->base.hash.key) @@ -854,21 +858,14 @@ int i915_apply_reloc(struct drm_file *file_priv, int num_buffers, if (!relocatee->data_page || !drm_bo_same_page(relocatee->offset, new_cmd_offset)) { drm_bo_kunmap(&relocatee->kmap); + relocatee->data_page = NULL; relocatee->offset = new_cmd_offset; - mutex_lock (&relocatee->buf->mutex); - ret = drm_bo_wait (relocatee->buf, 0, 0, FALSE); - mutex_unlock (&relocatee->buf->mutex); - if (ret) { - DRM_ERROR("Could not wait for buffer to apply relocs\n %08lx", new_cmd_offset); - return ret; - } ret = drm_bo_kmap(relocatee->buf, new_cmd_offset >> PAGE_SHIFT, 1, &relocatee->kmap); if (ret) { DRM_ERROR("Could not map command buffer to apply relocs\n %08lx", new_cmd_offset); return ret; } - relocatee->data_page = drm_bmo_virtual(&relocatee->kmap, &relocatee->is_iomem); relocatee->page_offset = (relocatee->offset & PAGE_MASK); @@ -887,7 +884,11 @@ int i915_apply_reloc(struct drm_file *file_priv, int num_buffers, reloc[0], reloc[1], buf_index, relocatee->data_page[index], val); } } - relocatee->data_page[index] = val; + + if (relocatee->is_iomem) + iowrite32(val, relocatee->data_page + index); + else + relocatee->data_page[index] = val; return 0; } @@ -955,11 +956,13 @@ int i915_process_relocs(struct drm_file *file_priv, } out: - if (reloc_buf) kfree(reloc_buf); - drm_bo_kunmap(&relocatee->kmap); - relocatee->data_page = NULL; + + if (relocatee->data_page) { + drm_bo_kunmap(&relocatee->kmap); + relocatee->data_page = NULL; + } return ret; } @@ -999,18 +1002,22 @@ static int i915_exec_reloc(struct drm_file *file_priv, drm_handle_t buf_handle, goto out_err; } + mutex_lock (&relocatee.buf->mutex); + ret = drm_bo_wait (relocatee.buf, 0, 0, FALSE); + if (ret) + goto out_err1; + while (reloc_user_ptr) { ret = i915_process_relocs(file_priv, buf_handle, &reloc_user_ptr, &relocatee, buffers, buf_count); if (ret) { DRM_ERROR("process relocs failed\n"); - break; + goto out_err1; } } - mutex_lock(&dev->struct_mutex); - drm_bo_usage_deref_locked(&relocatee.buf); - mutex_unlock(&dev->struct_mutex); - +out_err1: + mutex_unlock (&relocatee.buf->mutex); + drm_bo_usage_deref_unlocked(&relocatee.buf); out_err: return ret; } @@ -1190,12 +1197,9 @@ void i915_fence_or_sync(struct drm_file *file_priv, * Fall back to synchronous operation and idle the engine. */ + (void) i915_emit_mi_flush(dev, MI_READ_FLUSH); (void) i915_quiescent(dev); - /* - * FIXME: Might need a sync flush here. - */ - if (!(fence_flags & DRM_FENCE_FLAG_NO_USER)) { /* |