From 3f1aa1550353e828814169915c9a74c67d2e81cd Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@linux.ie>
Date: Tue, 16 Oct 2007 22:28:00 +1100
Subject: [PATCH] drm: drop drm bo list handling code

---
 libdrm/xf86drm.c | 317 -------------------------------------------------------
 libdrm/xf86mm.h  |  34 ------
 2 files changed, 351 deletions(-)

diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c
index 54268f2..bd92ed2 100644
--- a/libdrm/xf86drm.c
+++ b/libdrm/xf86drm.c
@@ -2529,144 +2529,6 @@ int drmFenceWait(int fd, unsigned flags, drmFence *fence, unsigned flush_type)
     return 0;
 }    
 
-static int drmAdjustListNodes(drmBOList *list)
-{
-    drmBONode *node;
-    drmMMListHead *l;
-    int ret = 0;
-
-    while(list->numCurrent < list->numTarget) {
-	node = (drmBONode *) malloc(sizeof(*node));
-	if (!node) {
-	    ret = -ENOMEM;
-	    break;
-	}
-	list->numCurrent++;
-	DRMLISTADD(&node->head, &list->free);
-    }
-
-    while(list->numCurrent > list->numTarget) {
-	l = list->free.next;
-	if (l == &list->free)
-	    break;
-	DRMLISTDEL(l);
-	node = DRMLISTENTRY(drmBONode, l, head);
-	free(node);
-	list->numCurrent--;
-    }
-    return ret;
-}
-
-void drmBOFreeList(drmBOList *list)
-{
-    drmBONode *node;
-    drmMMListHead *l;
-
-    l = list->list.next;
-    while(l != &list->list) {
-	DRMLISTDEL(l);
-	node = DRMLISTENTRY(drmBONode, l, head);
-	free(node);
-	l = list->list.next;
-	list->numCurrent--;
-	list->numOnList--;
-    }
-
-    l = list->free.next;
-    while(l != &list->free) {
-	DRMLISTDEL(l);
-	node = DRMLISTENTRY(drmBONode, l, head);
-	free(node);
-	l = list->free.next;
-	list->numCurrent--;
-    }
-}
-	
-int drmBOResetList(drmBOList *list)
-{
-    drmMMListHead *l;
-    int ret;
-
-    ret = drmAdjustListNodes(list);
-    if (ret)
-	return ret;
-
-    l = list->list.next;
-    while (l != &list->list) {
-	DRMLISTDEL(l);
-	DRMLISTADD(l, &list->free);
-	list->numOnList--;
-	l = list->list.next;
-    }
-    return drmAdjustListNodes(list);
-}
-	
-static drmBONode *drmAddListItem(drmBOList *list, drmBO *item, 
-				 unsigned long arg0,
-				 unsigned long arg1)
-{
-    drmBONode *node;
-    drmMMListHead *l;
-
-    l = list->free.next;
-    if (l == &list->free) {
-	node = (drmBONode *) malloc(sizeof(*node));
-	if (!node) {
-	    return NULL;
-	}
-	list->numCurrent++;
-    }
-    else {
-	DRMLISTDEL(l);
-	node = DRMLISTENTRY(drmBONode, l, head);
-    }
-    node->buf = item;
-    node->arg0 = arg0;
-    node->arg1 = arg1;
-    DRMLISTADD(&node->head, &list->list);
-    list->numOnList++;
-    return node;
-}
-     	
-void *drmBOListIterator(drmBOList *list)
-{
-    void *ret = list->list.next;
-
-    if (ret == &list->list)
-	return NULL;
-    return ret;
-}
-
-void *drmBOListNext(drmBOList *list, void *iterator)
-{
-    void *ret;
-
-    drmMMListHead *l = (drmMMListHead *) iterator;
-    ret = l->next;
-    if (ret == &list->list)
-	return NULL;
-    return ret;
-}
-
-drmBO *drmBOListBuf(void *iterator)
-{
-    drmBONode *node;
-    drmMMListHead *l = (drmMMListHead *) iterator;
-    node = DRMLISTENTRY(drmBONode, l, head);
-    return node->buf;
-}
-
-
-int drmBOCreateList(int numTarget, drmBOList *list)
-{
-    DRMINITLISTHEAD(&list->list);
-    DRMINITLISTHEAD(&list->free);
-    list->numTarget = numTarget;
-    list->numCurrent = 0;
-    list->numOnList = 0;
-    return drmAdjustListNodes(list);
-}
-
 static void drmBOCopyReply(const struct drm_bo_info_rep *rep, drmBO *buf)
 {
     buf->handle = rep->handle;
@@ -2971,185 +2833,6 @@ int drmBOBusy(int fd, drmBO *buf, int *busy)
     }
 }
     
-int drmAddValidateItem(drmBOList *list, drmBO *buf, unsigned flags, 
-		       unsigned mask,
-		       int *newItem)
-{
-    drmBONode *node, *cur;
-    drmMMListHead *l;
-
-    *newItem = 0;
-    cur = NULL;
-
-    for (l = list->list.next; l != &list->list; l = l->next) {
-	node = DRMLISTENTRY(drmBONode, l, head);
-	if (node->buf == buf) {
-	    cur = node;
-	    break;
-	}
-    }
-    if (!cur) {
-	cur = drmAddListItem(list, buf, flags, mask);
-	if (!cur) {
-	    drmMsg("Out of memory creating validate list node.\n");
-	    return -ENOMEM;
-	}
-	*newItem = 1;
-	cur->arg0 = flags;
-	cur->arg1 = mask;
-    }
-    else {
-	unsigned memMask = (cur->arg1 | mask) & DRM_BO_MASK_MEM;
-	unsigned memFlags = cur->arg0 & flags & memMask;
-	
-	if (!memFlags) {
-	    drmMsg("Incompatible memory location requests "
-		   "on validate list.\n");
-	    drmMsg("Previous flag: 0x%08lx, mask: 0x%08lx\n",
-		   cur->arg0, cur->arg1);
-	    drmMsg("Current flag: 0x%08lx, mask: 0x%08lx\n",
-		   flags, mask);
-	    return -EINVAL;
-	}
-	if (mask & cur->arg1 & ~DRM_BO_MASK_MEM  & (cur->arg0 ^ flags)) {
-	    drmMsg("Incompatible buffer flag requests "
-		   "on validate list.\n");
-	    drmMsg("Previous flag: 0x%08lx, mask: 0x%08lx\n",
-		   cur->arg0, cur->arg1);
-	    drmMsg("Current flag: 0x%08lx, mask: 0x%08lx\n",
-		   flags, mask);
-	    return -EINVAL;
-	}
-	cur->arg1 |= mask;
-	cur->arg0 = memFlags | ((cur->arg0 | flags) & 
-				cur->arg1 & ~DRM_BO_MASK_MEM);	
-    }
-    return 0;
-}
-
-
-int drmBOValidateList(int fd, drmBOList *list)
-{
-    drmBONode *node;
-    drmMMListHead *l;
-    struct drm_bo_op_arg *arg, *first;
-    struct drm_bo_op_req *req;
-    struct drm_bo_arg_rep *rep;
-    uint64_t *prevNext = NULL;
-    drmBO *buf;
-    int ret;
-
-    first = NULL;
-
-    for (l = list->list.next; l != &list->list; l = l->next) {
-        node = DRMLISTENTRY(drmBONode, l, head);
-
-        arg = &node->bo_arg;
-        req = &arg->d.req;
-
-        if (!first)
-            first = arg;
-
-	if (prevNext)
-	    *prevNext = (unsigned long) arg;
-
-	memset(arg, 0, sizeof(*arg));
-	prevNext = &arg->next;
-	req->bo_req.handle = node->buf->handle;
-	req->op = drm_bo_validate;
-	req->bo_req.flags = node->arg0;
-	req->bo_req.hint = 0;
-	req->bo_req.mask = node->arg1;
-	req->bo_req.fence_class = 0; /* Backwards compat. */
-    }
-
-    if (!first)
-	return 0;
-
-    do{
-	ret = ioctl(fd, DRM_IOCTL_BO_OP, first);
-    } while (ret && errno == EAGAIN);
-
-    if (ret)
-	return -errno;
-
-    for (l = list->list.next; l != &list->list; l = l->next) {
-	node = DRMLISTENTRY(drmBONode, l, head);
-	arg = &node->bo_arg;
-	rep = &arg->d.rep;
-      
-	if (!arg->handled) {
-	    drmMsg("Unhandled request\n");
-	    return -EFAULT;
-	}
-	if (rep->ret)
-	    return rep->ret;
-	
-	buf = node->buf;
-	drmBOCopyReply(&rep->bo_info, buf);
-    }
-    
-    return 0;
-}
-	  
-int drmBOFenceList(int fd, drmBOList *list, unsigned fenceHandle)
-{
-    drmBONode *node;
-    drmMMListHead *l;
-    struct drm_bo_op_arg *arg, *first;
-    struct drm_bo_op_req *req;
-    struct drm_bo_arg_rep *rep;
-    uint64_t *prevNext = NULL;
-    drmBO *buf;
-    unsigned fence_flags;
-    int ret;
-
-    first = NULL;
-
-    for (l = list->list.next; l != &list->list; l = l->next) {
-        node = DRMLISTENTRY(drmBONode, l, head);
-	
-	arg = &node->bo_arg;
-	req = &arg->d.req;
-
-	if (!first)
-	    first = arg;
-
-	if (prevNext)
-	    *prevNext = (unsigned long) arg;
-
-	memset(arg, 0, sizeof(*arg));
-	prevNext = &arg->next;
-	req->bo_req.handle = node->buf->handle;
-	req->op = drm_bo_fence;
-	req->bo_req.mask = node->arg0;
-	req->arg_handle = fenceHandle;
-    }
-  
-    if (!first) 
-	return 0;
-
-    ret = ioctl(fd, DRM_IOCTL_BO_OP, first);
-
-    if (ret)
-	return -errno;
-  
-    for (l = list->list.next; l != &list->list; l = l->next) {
-	node = DRMLISTENTRY(drmBONode, l, head);
-
-	arg = &node->bo_arg;
-	rep = &arg->d.rep;
-
-      	if (!arg->handled)
-	    return -EFAULT;
-	if (rep->ret)
-	    return rep->ret;
-	drmBOCopyReply(&rep->bo_info, node->buf);
-    }
-
-    return 0;
-}
-
 int drmMMInit(int fd, unsigned long pOffset, unsigned long pSize,
 	      unsigned memType)
 {
diff --git a/libdrm/xf86mm.h b/libdrm/xf86mm.h
index 5f5f6f9..f817d81 100644
--- a/libdrm/xf86mm.h
+++ b/libdrm/xf86mm.h
@@ -126,24 +126,6 @@ typedef struct _drmBO
     unsigned pad[8];     /* for future expansion */
 } drmBO;
 
-typedef struct _drmBONode
-{
-    drmMMListHead head;
-    drmBO *buf;
-    struct drm_bo_op_arg bo_arg;
-    unsigned long arg0;
-    unsigned long arg1;
-} drmBONode;
-
-typedef struct _drmBOList {
-    unsigned numTarget;
-    unsigned numCurrent;
-    unsigned numOnList;
-    drmMMListHead list;
-    drmMMListHead free;
-} drmBOList;
-
-
 /*
  * Fence functions.
  */
@@ -163,17 +145,6 @@ extern int drmFenceBuffers(int fd, unsigned flags, uint32_t fence_class, drmFenc
 
 
 /*
- * Buffer object list functions.
- */
-
-extern void drmBOFreeList(drmBOList *list);
-extern int drmBOResetList(drmBOList *list);
-extern void *drmBOListIterator(drmBOList *list);
-extern void *drmBOListNext(drmBOList *list, void *iterator);
-extern drmBO *drmBOListBuf(void *iterator);
-extern int drmBOCreateList(int numTarget, drmBOList *list);
-
-/*
  * Buffer object functions.
  */
 
@@ -192,11 +163,6 @@ extern int drmBOFence(int fd, drmBO *buf, unsigned flags, unsigned fenceHandle);
 extern int drmBOInfo(int fd, drmBO *buf);
 extern int drmBOBusy(int fd, drmBO *buf, int *busy);
 
-extern int drmAddValidateItem(drmBOList *list, drmBO *buf, unsigned flags,
-		       unsigned mask,
-		       int *newItem);
-extern int drmBOValidateList(int fd, drmBOList *list);
-extern int drmBOFenceList(int fd, drmBOList *list, unsigned fenceHandle);
 extern int drmBOWaitIdle(int fd, drmBO *buf, unsigned hint);
 int drmBOSetPin(int fd, drmBO *buf, int pin);
 
-- 
2.7.4