Unify infrastructure for allocating (not yet freeing) on-card / GART memory.

linux-core/xgi_cmdlist.c

@@ -37,11 +37,12 @@ static void xgi_cmdlist_reset(struct xgi_info * info);
 int xgi_cmdlist_initialize(struct xgi_info * info, size_t size)
 {
 	struct xgi_mem_alloc mem_alloc = {
+		.location = XGI_MEMLOC_NON_LOCAL,
 		.size = size,
 	};
 	int err;
 
-	err = xgi_pcie_alloc(info, &mem_alloc, 0);
+	err = xgi_alloc(info, &mem_alloc, 0);
 	if (err) {
 		return err;
 	}

linux-core/xgi_drv.h

@@ -38,7 +38,7 @@
 
 #define DRIVER_MAJOR		0
 #define DRIVER_MINOR		10
-#define DRIVER_PATCHLEVEL	2
+#define DRIVER_PATCHLEVEL	3
 
 #include "xgi_cmdlist.h"
 #include "xgi_drm.h"
@@ -92,8 +92,6 @@ struct xgi_info {
 };
 
 extern struct kmem_cache *xgi_mem_block_cache;
-extern struct xgi_mem_block *xgi_mem_alloc(struct xgi_mem_heap * heap,
-	unsigned long size);
 extern int xgi_mem_free(struct xgi_mem_heap * heap, unsigned long offset,
 	struct drm_file * filp);
 extern int xgi_mem_heap_init(struct xgi_mem_heap * heap, unsigned int start,
@@ -102,7 +100,7 @@ extern void xgi_mem_heap_cleanup(struct xgi_mem_heap * heap);
 
 extern int xgi_fb_heap_init(struct xgi_info * info);
 
-extern int xgi_fb_alloc(struct xgi_info * info, struct xgi_mem_alloc * alloc,
+extern int xgi_alloc(struct xgi_info * info, struct xgi_mem_alloc * alloc,
 	struct drm_file * filp);
 
 extern int xgi_fb_free(struct xgi_info * info, unsigned long offset,
@@ -111,9 +109,6 @@ extern int xgi_fb_free(struct xgi_info * info, unsigned long offset,
 extern int xgi_pcie_heap_init(struct xgi_info * info);
 extern void xgi_pcie_lut_cleanup(struct xgi_info * info);
 
-extern int xgi_pcie_alloc(struct xgi_info * info,
-	struct xgi_mem_alloc * alloc, struct drm_file * filp);
-
 extern int xgi_pcie_free(struct xgi_info * info, unsigned long offset,
 	struct drm_file * filp);
 

linux-core/xgi_fb.c

@@ -99,8 +99,8 @@ struct xgi_mem_block *xgi_mem_new_node(void)
 }
 
 
-struct xgi_mem_block *xgi_mem_alloc(struct xgi_mem_heap * heap,
+static struct xgi_mem_block *xgi_mem_alloc(struct xgi_mem_heap * heap,
-				    unsigned long originalSize)
+					   unsigned long originalSize)
 {
 	struct xgi_mem_block *block, *free_block, *used_block;
 	unsigned long size = (originalSize + PAGE_SIZE - 1) & PAGE_MASK;
@@ -242,13 +242,15 @@ int xgi_mem_free(struct xgi_mem_heap * heap, unsigned long offset,
 }
 
 
-int xgi_fb_alloc(struct xgi_info * info, struct xgi_mem_alloc * alloc,
+int xgi_alloc(struct xgi_info * info, struct xgi_mem_alloc * alloc,
 		 struct drm_file * filp)
 {
 	struct xgi_mem_block *block;
 
 	down(&info->fb_sem);
-	block = xgi_mem_alloc(&info->fb_heap, alloc->size);
+	block = xgi_mem_alloc((alloc->location == XGI_MEMLOC_LOCAL)
+			      ? &info->fb_heap : &info->pcie_heap,
+			      alloc->size);
 	up(&info->fb_sem);
 
 	if (block == NULL) {
@@ -258,11 +260,14 @@ int xgi_fb_alloc(struct xgi_info * info, struct xgi_mem_alloc * alloc,
 	} else {
 		DRM_INFO("Video RAM allocation succeeded: 0x%p\n",
 			 (char *)block->offset);
-		alloc->location = XGI_MEMLOC_LOCAL;
 		alloc->size = block->size;
 		alloc->offset = block->offset;
 		alloc->hw_addr = block->offset;
 
+		if (alloc->location == XGI_MEMLOC_NON_LOCAL) {
+			alloc->hw_addr += info->pcie.base;
+		}
+
 		block->filp = filp;
 	}
 
@@ -277,7 +282,8 @@ int xgi_fb_alloc_ioctl(struct drm_device * dev, void * data,
 		(struct xgi_mem_alloc *) data;
 	struct xgi_info *info = dev->dev_private;
 
-	return xgi_fb_alloc(info, alloc, filp);
+	alloc->location = XGI_MEMLOC_LOCAL;
+	return xgi_alloc(info, alloc, filp);
 }
 
 

linux-core/xgi_pcie.c

@@ -140,34 +140,6 @@ int xgi_pcie_heap_init(struct xgi_info * info)
 }
 
 
-int xgi_pcie_alloc(struct xgi_info * info, struct xgi_mem_alloc * alloc,
-		   struct drm_file * filp)
-{
-	struct xgi_mem_block *block;
-
-	down(&info->pcie_sem);
-	block = xgi_mem_alloc(&info->pcie_heap, alloc->size);
-	up(&info->pcie_sem);
-
-	if (block == NULL) {
-		alloc->location = XGI_MEMLOC_INVALID;
-		alloc->size = 0;
-		DRM_ERROR("PCIE RAM allocation failed\n");
-		return -ENOMEM;
-	} else {
-		DRM_INFO("PCIE RAM allocation succeeded: offset = 0x%lx\n",
-			 block->offset);
-		alloc->location = XGI_MEMLOC_NON_LOCAL;
-		alloc->size = block->size;
-		alloc->hw_addr = block->offset + info->pcie.base;
-		alloc->offset = block->offset;
-
-		block->filp = filp;
-		return 0;
-	}
-}
-
-
 int xgi_pcie_alloc_ioctl(struct drm_device * dev, void * data,
 			 struct drm_file * filp)
 {
@@ -175,7 +147,8 @@ int xgi_pcie_alloc_ioctl(struct drm_device * dev, void * data,
 		(struct xgi_mem_alloc *) data;
 	struct xgi_info *info = dev->dev_private;
 
-	return xgi_pcie_alloc(info, alloc, filp);
+	alloc->location = XGI_MEMLOC_NON_LOCAL;
+	return xgi_alloc(info, alloc, filp);
 }