From 6d6526fdf9a4390fab3edbca79d6a0b80b84ddd1 Mon Sep 17 00:00:00 2001 From: Jon Smirl Date: Mon, 27 Sep 2004 19:53:51 +0000 Subject: core needs three new files --- linux-core/drm_memory.c | 181 +++++++++++++++++ linux-core/drm_memory_debug.c | 459 ++++++++++++++++++++++++++++++++++++++++++ linux-core/drm_module.h | 67 ++++++ 3 files changed, 707 insertions(+) create mode 100644 linux-core/drm_memory.c create mode 100644 linux-core/drm_memory_debug.c create mode 100644 linux-core/drm_module.h diff --git a/linux-core/drm_memory.c b/linux-core/drm_memory.c new file mode 100644 index 00000000..81f109b3 --- /dev/null +++ b/linux-core/drm_memory.c @@ -0,0 +1,181 @@ +/** + * \file drm_memory.h + * Memory management wrappers for DRM + * + * \author Rickard E. (Rik) Faith + * \author Gareth Hughes + */ + +/* + * Created: Thu Feb 4 14:00:34 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include +#include +#include "drmP.h" + +#ifdef DEBUG_MEMORY +#include "drm_memory_debug.h" +#else + +/** No-op. */ +void drm_mem_init(void) +{ +} + +/** + * Called when "/proc/dri/%dev%/mem" is read. + * + * \param buf output buffer. + * \param start start of output data. + * \param offset requested start offset. + * \param len requested number of bytes. + * \param eof whether there is no more data to return. + * \param data private data. + * \return number of written bytes. + * + * No-op. + */ +int drm_mem_info(char *buf, char **start, off_t offset, + int len, int *eof, void *data) +{ + return 0; +} + +/** Wrapper around kmalloc() */ +void *drm_calloc(size_t nmemb, size_t size, int area) +{ + void *addr; + + addr = kmalloc(size * nmemb, GFP_KERNEL); + if (addr != NULL) + memset((void *)addr, 0, size * nmemb); + + return addr; +} +EXPORT_SYMBOL(drm_calloc); + +/** Wrapper around kmalloc() and kfree() */ +void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area) +{ + void *pt; + + if (!(pt = kmalloc(size, GFP_KERNEL))) return NULL; + if (oldpt && oldsize) { + memcpy(pt, oldpt, oldsize); + kfree(oldpt); + } + return pt; +} + +/** + * Allocate pages. + * + * \param order size order. + * \param area memory area. (Not used.) + * \return page address on success, or zero on failure. + * + * Allocate and reserve free pages. + */ +unsigned long drm_alloc_pages(int order, int area) +{ + unsigned long address; + unsigned long bytes = PAGE_SIZE << order; + unsigned long addr; + unsigned int sz; + + address = __get_free_pages(GFP_KERNEL, order); + if (!address) + return 0; + + /* Zero */ + memset((void *)address, 0, bytes); + + /* Reserve */ + for (addr = address, sz = bytes; + sz > 0; + addr += PAGE_SIZE, sz -= PAGE_SIZE) { + SetPageReserved(virt_to_page(addr)); + } + + return address; +} + +/** + * Free pages. + * + * \param address address of the pages to free. + * \param order size order. + * \param area memory area. (Not used.) + * + * Unreserve and free pages allocated by alloc_pages(). + */ +void drm_free_pages(unsigned long address, int order, int area) +{ + unsigned long bytes = PAGE_SIZE << order; + unsigned long addr; + unsigned int sz; + + if (!address) + return; + + /* Unreserve */ + for (addr = address, sz = bytes; + sz > 0; + addr += PAGE_SIZE, sz -= PAGE_SIZE) { + ClearPageReserved(virt_to_page(addr)); + } + + free_pages(address, order); +} + + +#if __OS_HAS_AGP +/** Wrapper around agp_allocate_memory() */ +DRM_AGP_MEM *drm_alloc_agp(int pages, u32 type) +{ + return drm_agp_allocate_memory(pages, type); +} + +/** Wrapper around agp_free_memory() */ +int drm_free_agp(DRM_AGP_MEM *handle, int pages) +{ + return drm_agp_free_memory(handle) ? 0 : -EINVAL; +} + +/** Wrapper around agp_bind_memory() */ +int drm_bind_agp(DRM_AGP_MEM *handle, unsigned int start) +{ + return drm_agp_bind_memory(handle, start); +} + +/** Wrapper around agp_unbind_memory() */ +int drm_unbind_agp(DRM_AGP_MEM *handle) +{ + return drm_agp_unbind_memory(handle); +} +#endif /* agp */ +#endif /* debug_memory */ diff --git a/linux-core/drm_memory_debug.c b/linux-core/drm_memory_debug.c new file mode 100644 index 00000000..2c3564af --- /dev/null +++ b/linux-core/drm_memory_debug.c @@ -0,0 +1,459 @@ +/** + * \file drm_memory_debug.h + * Memory management wrappers for DRM. + * + * \author Rickard E. (Rik) Faith + * \author Gareth Hughes + */ + +/* + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include +#include "drmP.h" + +typedef struct drm_mem_stats { + const char *name; + int succeed_count; + int free_count; + int fail_count; + unsigned long bytes_allocated; + unsigned long bytes_freed; +} drm_mem_stats_t; + +static spinlock_t drm_mem_lock = SPIN_LOCK_UNLOCKED; +static unsigned long drm_ram_available = 0; /* In pages */ +static unsigned long drm_ram_used = 0; +static drm_mem_stats_t drm_mem_stats[] = { + [DRM_MEM_DMA] = { "dmabufs" }, + [DRM_MEM_SAREA] = { "sareas" }, + [DRM_MEM_DRIVER] = { "driver" }, + [DRM_MEM_MAGIC] = { "magic" }, + [DRM_MEM_IOCTLS] = { "ioctltab" }, + [DRM_MEM_MAPS] = { "maplist" }, + [DRM_MEM_VMAS] = { "vmalist" }, + [DRM_MEM_BUFS] = { "buflist" }, + [DRM_MEM_SEGS] = { "seglist" }, + [DRM_MEM_PAGES] = { "pagelist" }, + [DRM_MEM_FILES] = { "files" }, + [DRM_MEM_QUEUES] = { "queues" }, + [DRM_MEM_CMDS] = { "commands" }, + [DRM_MEM_MAPPINGS] = { "mappings" }, + [DRM_MEM_BUFLISTS] = { "buflists" }, + [DRM_MEM_AGPLISTS] = { "agplist" }, + [DRM_MEM_SGLISTS] = { "sglist" }, + [DRM_MEM_TOTALAGP] = { "totalagp" }, + [DRM_MEM_BOUNDAGP] = { "boundagp" }, + [DRM_MEM_CTXBITMAP] = { "ctxbitmap"}, + [DRM_MEM_CTXLIST] = { "ctxlist" }, + [DRM_MEM_STUB] = { "stub" }, + { NULL, 0, } /* Last entry must be null */ +}; + +void drm_mem_init(void) +{ + drm_mem_stats_t *mem; + struct sysinfo si; + + for (mem = drm_mem_stats; mem->name; ++mem) { + mem->succeed_count = 0; + mem->free_count = 0; + mem->fail_count = 0; + mem->bytes_allocated = 0; + mem->bytes_freed = 0; + } + + si_meminfo(&si); + drm_ram_available = si.totalram; + drm_ram_used = 0; +} + +/* drm_mem_info is called whenever a process reads /dev/drm/mem. */ + +static int drm__mem_info(char *buf, char **start, off_t offset, + int request, int *eof, void *data) +{ + drm_mem_stats_t *pt; + int len = 0; + + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *eof = 0; + *start = &buf[offset]; + + DRM_PROC_PRINT(" total counts " + " | outstanding \n"); + DRM_PROC_PRINT("type alloc freed fail bytes freed" + " | allocs bytes\n\n"); + DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB |\n", + "system", 0, 0, 0, + drm_ram_available << (PAGE_SHIFT - 10)); + DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB |\n", + "locked", 0, 0, 0, drm_ram_used >> 10); + DRM_PROC_PRINT("\n"); + for (pt = drm_mem_stats; pt->name; pt++) { + DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu %10lu | %6d %10ld\n", + pt->name, + pt->succeed_count, + pt->free_count, + pt->fail_count, + pt->bytes_allocated, + pt->bytes_freed, + pt->succeed_count - pt->free_count, + (long)pt->bytes_allocated + - (long)pt->bytes_freed); + } + + if (len > request + offset) return request; + *eof = 1; + return len - offset; +} + +int drm_mem_info(char *buf, char **start, off_t offset, + int len, int *eof, void *data) +{ + int ret; + + spin_lock(&drm_mem_lock); + ret = drm__mem_info(buf, start, offset, len, eof, data); + spin_unlock(&drm_mem_lock); + return ret; +} + +void *drm_alloc(size_t size, int area) +{ + void *pt; + + if (!size) { + DRM_MEM_ERROR(area, "Allocating 0 bytes\n"); + return NULL; + } + + if (!(pt = kmalloc(size, GFP_KERNEL))) { + spin_lock(&drm_mem_lock); + ++drm_mem_stats[area].fail_count; + spin_unlock(&drm_mem_lock); + return NULL; + } + spin_lock(&drm_mem_lock); + ++drm_mem_stats[area].succeed_count; + drm_mem_stats[area].bytes_allocated += size; + spin_unlock(&drm_mem_lock); + return pt; +} + +void *drm_calloc(size_t nmemb, size_t size, int area) +{ + void *addr; + + addr = drm_alloc(nmemb * size, area); + if (addr != NULL) + memset((void *)addr, 0, size * nmemb); + + return addr; +} + +void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area) +{ + void *pt; + + if (!(pt = drm_alloc(size, area))) return NULL; + if (oldpt && oldsize) { + memcpy(pt, oldpt, oldsize); + drm_free(oldpt, oldsize, area); + } + return pt; +} + +void drm_free(void *pt, size_t size, int area) +{ + int alloc_count; + int free_count; + + if (!pt) DRM_MEM_ERROR(area, "Attempt to free NULL pointer\n"); + else kfree(pt); + spin_lock(&drm_mem_lock); + drm_mem_stats[area].bytes_freed += size; + free_count = ++drm_mem_stats[area].free_count; + alloc_count = drm_mem_stats[area].succeed_count; + 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); + } +} + +unsigned long drm_alloc_pages(int order, int area) +{ + unsigned long address; + unsigned long bytes = PAGE_SIZE << order; + unsigned long addr; + unsigned int sz; + + 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); + + address = __get_free_pages(GFP_KERNEL, order); + if (!address) { + spin_lock(&drm_mem_lock); + ++drm_mem_stats[area].fail_count; + spin_unlock(&drm_mem_lock); + return 0; + } + spin_lock(&drm_mem_lock); + ++drm_mem_stats[area].succeed_count; + drm_mem_stats[area].bytes_allocated += bytes; + drm_ram_used += bytes; + spin_unlock(&drm_mem_lock); + + + /* Zero outside the lock */ + memset((void *)address, 0, bytes); + + /* Reserve */ + for (addr = address, sz = bytes; + sz > 0; + addr += PAGE_SIZE, sz -= PAGE_SIZE) { + SetPageReserved(virt_to_page(addr)); + } + + return address; +} + +void drm_free_pages(unsigned long address, int order, int area) +{ + unsigned long bytes = PAGE_SIZE << order; + int alloc_count; + int free_count; + unsigned long addr; + unsigned int sz; + + if (!address) { + DRM_MEM_ERROR(area, "Attempt to free address 0\n"); + } else { + /* Unreserve */ + for (addr = address, sz = bytes; + sz > 0; + addr += PAGE_SIZE, sz -= PAGE_SIZE) { + ClearPageReserved(virt_to_page(addr)); + } + free_pages(address, order); + } + + 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 += bytes; + drm_ram_used -= bytes; + 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); + } +} + +void *drm_ioremap(unsigned long offset, unsigned long size, drm_device_t *dev) +{ + void *pt; + + if (!size) { + DRM_MEM_ERROR(DRM_MEM_MAPPINGS, + "Mapping 0 bytes at 0x%08lx\n", offset); + return NULL; + } + + if (!(pt = drm_ioremap(offset, size, dev))) { + spin_lock(&drm_mem_lock); + ++drm_mem_stats[DRM_MEM_MAPPINGS].fail_count; + spin_unlock(&drm_mem_lock); + return NULL; + } + spin_lock(&drm_mem_lock); + ++drm_mem_stats[DRM_MEM_MAPPINGS].succeed_count; + drm_mem_stats[DRM_MEM_MAPPINGS].bytes_allocated += size; + spin_unlock(&drm_mem_lock); + return pt; +} + +void *drm_ioremap_nocache(unsigned long offset, unsigned long size, drm_device_t *dev) +{ + void *pt; + + if (!size) { + DRM_MEM_ERROR(DRM_MEM_MAPPINGS, + "Mapping 0 bytes at 0x%08lx\n", offset); + return NULL; + } + + if (!(pt = drm_ioremap_nocache(offset, size, dev))) { + spin_lock(&drm_mem_lock); + ++drm_mem_stats[DRM_MEM_MAPPINGS].fail_count; + spin_unlock(&drm_mem_lock); + return NULL; + } + spin_lock(&drm_mem_lock); + ++drm_mem_stats[DRM_MEM_MAPPINGS].succeed_count; + drm_mem_stats[DRM_MEM_MAPPINGS].bytes_allocated += size; + spin_unlock(&drm_mem_lock); + return pt; +} + +void drm_ioremapfree(void *pt, unsigned long size, drm_device_t *dev) +{ + int alloc_count; + int free_count; + + if (!pt) + DRM_MEM_ERROR(DRM_MEM_MAPPINGS, + "Attempt to free NULL pointer\n"); + else + drm_ioremapfree(pt, size, dev); + + spin_lock(&drm_mem_lock); + drm_mem_stats[DRM_MEM_MAPPINGS].bytes_freed += size; + free_count = ++drm_mem_stats[DRM_MEM_MAPPINGS].free_count; + alloc_count = drm_mem_stats[DRM_MEM_MAPPINGS].succeed_count; + spin_unlock(&drm_mem_lock); + if (free_count > alloc_count) { + DRM_MEM_ERROR(DRM_MEM_MAPPINGS, + "Excess frees: %d frees, %d allocs\n", + free_count, alloc_count); + } +} + +#if __OS_HAS_AGP + +DRM_AGP_MEM *drm_alloc_agp(int pages, u32 type) +{ + DRM_AGP_MEM *handle; + + if (!pages) { + DRM_MEM_ERROR(DRM_MEM_TOTALAGP, "Allocating 0 pages\n"); + return NULL; + } + + if ((handle = drm_agp_allocate_memory(pages, type))) { + spin_lock(&drm_mem_lock); + ++drm_mem_stats[DRM_MEM_TOTALAGP].succeed_count; + drm_mem_stats[DRM_MEM_TOTALAGP].bytes_allocated + += pages << PAGE_SHIFT; + spin_unlock(&drm_mem_lock); + return handle; + } + spin_lock(&drm_mem_lock); + ++drm_mem_stats[DRM_MEM_TOTALAGP].fail_count; + spin_unlock(&drm_mem_lock); + return NULL; +} + +int drm_free_agp(DRM_AGP_MEM *handle, int pages) +{ + int alloc_count; + int free_count; + int retval = -EINVAL; + + if (!handle) { + DRM_MEM_ERROR(DRM_MEM_TOTALAGP, + "Attempt to free NULL AGP handle\n"); + return retval; + } + + if (drm_agp_free_memory(handle)) { + spin_lock(&drm_mem_lock); + free_count = ++drm_mem_stats[DRM_MEM_TOTALAGP].free_count; + alloc_count = drm_mem_stats[DRM_MEM_TOTALAGP].succeed_count; + drm_mem_stats[DRM_MEM_TOTALAGP].bytes_freed + += pages << PAGE_SHIFT; + spin_unlock(&drm_mem_lock); + if (free_count > alloc_count) { + DRM_MEM_ERROR(DRM_MEM_TOTALAGP, + "Excess frees: %d frees, %d allocs\n", + free_count, alloc_count); + } + return 0; + } + return retval; +} + +int drm_bind_agp(DRM_AGP_MEM *handle, unsigned int start) +{ + int retcode = -EINVAL; + + if (!handle) { + DRM_MEM_ERROR(DRM_MEM_BOUNDAGP, + "Attempt to bind NULL AGP handle\n"); + return retcode; + } + + if (!(retcode = drm_agp_bind_memory(handle, start))) { + spin_lock(&drm_mem_lock); + ++drm_mem_stats[DRM_MEM_BOUNDAGP].succeed_count; + drm_mem_stats[DRM_MEM_BOUNDAGP].bytes_allocated + += handle->page_count << PAGE_SHIFT; + spin_unlock(&drm_mem_lock); + return retcode; + } + spin_lock(&drm_mem_lock); + ++drm_mem_stats[DRM_MEM_BOUNDAGP].fail_count; + spin_unlock(&drm_mem_lock); + return retcode; +} + +int drm_unbind_agp(DRM_AGP_MEM *handle) +{ + int alloc_count; + int free_count; + int retcode = -EINVAL; + + if (!handle) { + DRM_MEM_ERROR(DRM_MEM_BOUNDAGP, + "Attempt to unbind NULL AGP handle\n"); + return retcode; + } + + if ((retcode = drm_agp_unbind_memory(handle))) return retcode; + spin_lock(&drm_mem_lock); + free_count = ++drm_mem_stats[DRM_MEM_BOUNDAGP].free_count; + alloc_count = drm_mem_stats[DRM_MEM_BOUNDAGP].succeed_count; + drm_mem_stats[DRM_MEM_BOUNDAGP].bytes_freed + += handle->page_count << PAGE_SHIFT; + spin_unlock(&drm_mem_lock); + if (free_count > alloc_count) { + DRM_MEM_ERROR(DRM_MEM_BOUNDAGP, + "Excess frees: %d frees, %d allocs\n", + free_count, alloc_count); + } + return retcode; +} +#endif diff --git a/linux-core/drm_module.h b/linux-core/drm_module.h new file mode 100644 index 00000000..84a4c439 --- /dev/null +++ b/linux-core/drm_module.h @@ -0,0 +1,67 @@ +/* + * Copyright 2004 Jon Smirl + * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved. + * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sub license, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include "drm_pciids.h" + +int DRM(postinit)( struct drm_device *dev, unsigned long flags ) +{ + DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d: %s\n", + DRIVER_NAME, + DRIVER_MAJOR, + DRIVER_MINOR, + DRIVER_PATCHLEVEL, + DRIVER_DATE, + dev->minor, + pci_pretty_name(pdev) + ); + return 0; +} + + +static struct pci_device_id DRM(pciidlist)[] = { + DRM(PCI_IDS) +}; + +static struct pci_driver DRM(driver) = { + .name = DRIVER_NAME, + .id_table = DRM(pciidlist), + .probe = drm_probe, + .remove = __devexit_p(drm_cleanup_pci), +}; + +static int __init DRM(init)(void) +{ + return drm_init(&DRM(driver), DRM(pciidlist)); +} + +static void __exit DRM(exit)(void) +{ + drm_exit(&DRM(driver)); +} + +#define drm_module_init(x) module_init(x) +#define drm_module_exit(x) module_exit(x) +drm_module_init(DRM(init)); +drm_module_exit(DRM(exit)); -- cgit v1.2.3