From 9a298b2acd771d8a5c0004d8f8e4156c65b11f6b Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Tue, 24 Mar 2009 12:23:04 -0700 Subject: drm: Remove memory debugging infrastructure. It hasn't been used in ages, and having the user tell your how much memory is being freed at free time is a recipe for disaster even if it was ever used. Signed-off-by: Eric Anholt --- drivers/gpu/drm/drm_pci.c | 53 +---------------------------------------------- 1 file changed, 1 insertion(+), 52 deletions(-) (limited to 'drivers/gpu/drm/drm_pci.c') diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c index b55d5bc6ea61..577094fb1995 100644 --- a/drivers/gpu/drm/drm_pci.c +++ b/drivers/gpu/drm/drm_pci.c @@ -55,17 +55,6 @@ drm_dma_handle_t *drm_pci_alloc(struct drm_device * dev, size_t size, size_t ali unsigned long addr; size_t sz; #endif -#ifdef DRM_DEBUG_MEMORY - int area = DRM_MEM_DMA; - - spin_lock(&drm_mem_lock); - if ((drm_ram_used >> PAGE_SHIFT) - > (DRM_RAM_PERCENT * drm_ram_available) / 100) { - spin_unlock(&drm_mem_lock); - return 0; - } - spin_unlock(&drm_mem_lock); -#endif /* pci_alloc_consistent only guarantees alignment to the smallest * PAGE_SIZE order which is greater than or equal to the requested size. @@ -86,26 +75,10 @@ drm_dma_handle_t *drm_pci_alloc(struct drm_device * dev, size_t size, size_t ali dmah->size = size; dmah->vaddr = dma_alloc_coherent(&dev->pdev->dev, size, &dmah->busaddr, GFP_KERNEL | __GFP_COMP); -#ifdef DRM_DEBUG_MEMORY - if (dmah->vaddr == NULL) { - spin_lock(&drm_mem_lock); - ++drm_mem_stats[area].fail_count; - spin_unlock(&drm_mem_lock); - kfree(dmah); - return NULL; - } - - spin_lock(&drm_mem_lock); - ++drm_mem_stats[area].succeed_count; - drm_mem_stats[area].bytes_allocated += size; - drm_ram_used += size; - spin_unlock(&drm_mem_lock); -#else if (dmah->vaddr == NULL) { kfree(dmah); return NULL; } -#endif memset(dmah->vaddr, 0, size); @@ -132,17 +105,8 @@ void __drm_pci_free(struct drm_device * dev, drm_dma_handle_t * dmah) unsigned long addr; size_t sz; #endif -#ifdef DRM_DEBUG_MEMORY - int area = DRM_MEM_DMA; - int alloc_count; - int free_count; -#endif - if (!dmah->vaddr) { -#ifdef DRM_DEBUG_MEMORY - DRM_MEM_ERROR(area, "Attempt to free address 0\n"); -#endif - } else { + if (dmah->vaddr) { /* XXX - Is virt_to_page() legal for consistent mem? */ /* Unreserve */ for (addr = (unsigned long)dmah->vaddr, sz = dmah->size; @@ -152,21 +116,6 @@ void __drm_pci_free(struct drm_device * dev, drm_dma_handle_t * dmah) dma_free_coherent(&dev->pdev->dev, dmah->size, dmah->vaddr, dmah->busaddr); } - -#ifdef DRM_DEBUG_MEMORY - spin_lock(&drm_mem_lock); - free_count = ++drm_mem_stats[area].free_count; - alloc_count = drm_mem_stats[area].succeed_count; - drm_mem_stats[area].bytes_freed += size; - drm_ram_used -= size; - spin_unlock(&drm_mem_lock); - if (free_count > alloc_count) { - DRM_MEM_ERROR(area, - "Excess frees: %d frees, %d allocs\n", - free_count, alloc_count); - } -#endif - } /** -- cgit v1.2.3-59-g8ed1b