* [linux-next:master 4676/13542] drivers/gpu/drm/drm_bufs.c:346:36: sparse: sparse: incorrect type in argument 1 (different address spaces)
@ 2022-07-28 16:46 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-07-28 16:46 UTC (permalink / raw)
To: Kefeng Wang
Cc: kbuild-all, Linux Memory Management List, Will Deacon,
Christoph Hellwig, Arnd Bergmann, Russell King (Oracle)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 7c5e07b73ff3011c9b82d4a3286a3362b951ad2b
commit: d803336abdbc1bfacdb32b2cf9f4fdbee072b8ee [4676/13542] ARM: mm: kill unused runtime hook arch_iounmap()
config: arm-randconfig-s041-20220728 (https://download.01.org/0day-ci/archive/20220729/202207290016.kJUuouRz-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-39-gce1a6720-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=d803336abdbc1bfacdb32b2cf9f4fdbee072b8ee
git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout d803336abdbc1bfacdb32b2cf9f4fdbee072b8ee
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash drivers/gpu/drm/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
drivers/gpu/drm/drm_bufs.c:227:45: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *handle @@ got void [noderef] __iomem * @@
drivers/gpu/drm/drm_bufs.c:227:45: sparse: expected void *handle
drivers/gpu/drm/drm_bufs.c:227:45: sparse: got void [noderef] __iomem *
drivers/gpu/drm/drm_bufs.c:230:45: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *handle @@ got void [noderef] __iomem * @@
drivers/gpu/drm/drm_bufs.c:230:45: sparse: expected void *handle
drivers/gpu/drm/drm_bufs.c:230:45: sparse: got void [noderef] __iomem *
>> drivers/gpu/drm/drm_bufs.c:346:36: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *io_addr @@ got void *handle @@
drivers/gpu/drm/drm_bufs.c:346:36: sparse: expected void volatile [noderef] __iomem *io_addr
drivers/gpu/drm/drm_bufs.c:346:36: sparse: got void *handle
drivers/gpu/drm/drm_bufs.c:363:36: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *io_addr @@ got void *handle @@
drivers/gpu/drm/drm_bufs.c:363:36: sparse: expected void volatile [noderef] __iomem *io_addr
drivers/gpu/drm/drm_bufs.c:363:36: sparse: got void *handle
drivers/gpu/drm/drm_bufs.c:540:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *io_addr @@ got void *handle @@
drivers/gpu/drm/drm_bufs.c:540:28: sparse: expected void volatile [noderef] __iomem *io_addr
drivers/gpu/drm/drm_bufs.c:540:28: sparse: got void *handle
--
drivers/gpu/drm/drm_memory.c:115:29: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *handle @@ got void [noderef] __iomem * @@
drivers/gpu/drm/drm_memory.c:115:29: sparse: expected void *handle
drivers/gpu/drm/drm_memory.c:115:29: sparse: got void [noderef] __iomem *
drivers/gpu/drm/drm_memory.c:124:29: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *handle @@ got void [noderef] __iomem * @@
drivers/gpu/drm/drm_memory.c:124:29: sparse: expected void *handle
drivers/gpu/drm/drm_memory.c:124:29: sparse: got void [noderef] __iomem *
>> drivers/gpu/drm/drm_memory.c:136:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *io_addr @@ got void *handle @@
drivers/gpu/drm/drm_memory.c:136:28: sparse: expected void volatile [noderef] __iomem *io_addr
drivers/gpu/drm/drm_memory.c:136:28: sparse: got void *handle
--
>> drivers/gpu/drm/drm_vm.c:270:44: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *io_addr @@ got void *handle @@
drivers/gpu/drm/drm_vm.c:270:44: sparse: expected void volatile [noderef] __iomem *io_addr
drivers/gpu/drm/drm_vm.c:270:44: sparse: got void *handle
--
>> drivers/gpu/drm/armada/armada_gem.c:63:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *io_addr @@ got void *addr @@
drivers/gpu/drm/armada/armada_gem.c:63:37: sparse: expected void volatile [noderef] __iomem *io_addr
drivers/gpu/drm/armada/armada_gem.c:63:37: sparse: got void *addr
drivers/gpu/drm/armada/armada_gem.c:185:28: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *addr @@ got void [noderef] __iomem * @@
drivers/gpu/drm/armada/armada_gem.c:185:28: sparse: expected void *addr
drivers/gpu/drm/armada/armada_gem.c:185:28: sparse: got void [noderef] __iomem *
vim +346 drivers/gpu/drm/drm_bufs.c
9a18664506dbce drivers/char/drm/drm_bufs.c Dave Airlie 2005-06-23 138
abee5491db9f33 drivers/gpu/drm/drm_bufs.c Benjamin Gaignard 2020-03-06 139 /*
f77d390c9779c4 drivers/gpu/drm/drm_bufs.c Benjamin Herrenschmidt 2009-02-02 140 * Core function to create a range of memory available for mapping by a
f77d390c9779c4 drivers/gpu/drm/drm_bufs.c Benjamin Herrenschmidt 2009-02-02 141 * non-root process.
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 142 *
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 143 * Adjusts the memory offset to its absolute value according to the mapping
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 144 * type. Adds the map to the map list drm_device::maplist. Adds MTRR's where
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 145 * applicable and if supported by the kernel.
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 146 */
41c2e75e60200a drivers/gpu/drm/drm_bufs.c Benjamin Herrenschmidt 2009-02-02 147 static int drm_addmap_core(struct drm_device *dev, resource_size_t offset,
c60ce623bd1613 drivers/char/drm/drm_bufs.c Dave Airlie 2007-07-11 148 unsigned int size, enum drm_map_type type,
55910517af381e drivers/char/drm/drm_bufs.c Dave Airlie 2007-07-11 149 enum drm_map_flags flags,
55910517af381e drivers/char/drm/drm_bufs.c Dave Airlie 2007-07-11 150 struct drm_map_list **maplist)
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 151 {
f77d390c9779c4 drivers/gpu/drm/drm_bufs.c Benjamin Herrenschmidt 2009-02-02 152 struct drm_local_map *map;
55910517af381e drivers/char/drm/drm_bufs.c Dave Airlie 2007-07-11 153 struct drm_map_list *list;
8d153f7107ff2c drivers/char/drm/drm_bufs.c Thomas Hellstrom 2006-08-07 154 unsigned long user_token;
8d153f7107ff2c drivers/char/drm/drm_bufs.c Thomas Hellstrom 2006-08-07 155 int ret;
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 156
9a298b2acd771d drivers/gpu/drm/drm_bufs.c Eric Anholt 2009-03-24 157 map = kmalloc(sizeof(*map), GFP_KERNEL);
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 158 if (!map)
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 159 return -ENOMEM;
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 160
7ab984012a879a drivers/char/drm/drm_bufs.c Dave Airlie 2005-07-10 161 map->offset = offset;
7ab984012a879a drivers/char/drm/drm_bufs.c Dave Airlie 2005-07-10 162 map->size = size;
7ab984012a879a drivers/char/drm/drm_bufs.c Dave Airlie 2005-07-10 163 map->flags = flags;
7ab984012a879a drivers/char/drm/drm_bufs.c Dave Airlie 2005-07-10 164 map->type = type;
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 165
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 166 /* Only allow shared memory to be removable since we only keep enough
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 167 * book keeping information about shared memory to allow for removal
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 168 * when processes fork.
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 169 */
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 170 if ((map->flags & _DRM_REMOVABLE) && map->type != _DRM_SHM) {
9a298b2acd771d drivers/gpu/drm/drm_bufs.c Eric Anholt 2009-03-24 171 kfree(map);
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 172 return -EINVAL;
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 173 }
41c2e75e60200a drivers/gpu/drm/drm_bufs.c Benjamin Herrenschmidt 2009-02-02 174 DRM_DEBUG("offset = 0x%08llx, size = 0x%08lx, type = %d\n",
41c2e75e60200a drivers/gpu/drm/drm_bufs.c Benjamin Herrenschmidt 2009-02-02 175 (unsigned long long)map->offset, map->size, map->type);
b674137755bbe2 drivers/gpu/drm/drm_bufs.c Benjamin Herrenschmidt 2009-05-18 176
b674137755bbe2 drivers/gpu/drm/drm_bufs.c Benjamin Herrenschmidt 2009-05-18 177 /* page-align _DRM_SHM maps. They are allocated here so there is no security
b674137755bbe2 drivers/gpu/drm/drm_bufs.c Benjamin Herrenschmidt 2009-05-18 178 * hole created by that and it works around various broken drivers that use
b674137755bbe2 drivers/gpu/drm/drm_bufs.c Benjamin Herrenschmidt 2009-05-18 179 * a non-aligned quantity to map the SAREA. --BenH
b674137755bbe2 drivers/gpu/drm/drm_bufs.c Benjamin Herrenschmidt 2009-05-18 180 */
b674137755bbe2 drivers/gpu/drm/drm_bufs.c Benjamin Herrenschmidt 2009-05-18 181 if (map->type == _DRM_SHM)
b674137755bbe2 drivers/gpu/drm/drm_bufs.c Benjamin Herrenschmidt 2009-05-18 182 map->size = PAGE_ALIGN(map->size);
b674137755bbe2 drivers/gpu/drm/drm_bufs.c Benjamin Herrenschmidt 2009-05-18 183
41c2e75e60200a drivers/gpu/drm/drm_bufs.c Benjamin Herrenschmidt 2009-02-02 184 if ((map->offset & (~(resource_size_t)PAGE_MASK)) || (map->size & (~PAGE_MASK))) {
9a298b2acd771d drivers/gpu/drm/drm_bufs.c Eric Anholt 2009-03-24 185 kfree(map);
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 186 return -EINVAL;
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 187 }
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 188 map->mtrr = -1;
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 189 map->handle = NULL;
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 190
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 191 switch (map->type) {
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 192 case _DRM_REGISTERS:
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 193 case _DRM_FRAME_BUFFER:
4b7fb9b5746554 drivers/gpu/drm/drm_bufs.c Jordan Crouse 2010-05-27 194 #if !defined(__sparc__) && !defined(__alpha__) && !defined(__ia64__) && !defined(__powerpc64__) && !defined(__x86_64__) && !defined(__arm__)
8d2ea6258123d7 drivers/char/drm/drm_bufs.c Dave Airlie 2006-01-11 195 if (map->offset + (map->size-1) < map->offset ||
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 196 map->offset < virt_to_phys(high_memory)) {
9a298b2acd771d drivers/gpu/drm/drm_bufs.c Eric Anholt 2009-03-24 197 kfree(map);
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 198 return -EINVAL;
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 199 }
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 200 #endif
836cf0465c422e drivers/char/drm/drm_bufs.c Dave Airlie 2005-07-10 201 /* Some drivers preinitialize some maps, without the X Server
836cf0465c422e drivers/char/drm/drm_bufs.c Dave Airlie 2005-07-10 202 * needing to be aware of it. Therefore, we just return success
836cf0465c422e drivers/char/drm/drm_bufs.c Dave Airlie 2005-07-10 203 * when the server tries to create a duplicate map.
836cf0465c422e drivers/char/drm/drm_bufs.c Dave Airlie 2005-07-10 204 */
89625eb186b9b0 drivers/char/drm/drm_bufs.c Dave Airlie 2005-09-05 205 list = drm_find_matching_map(dev, map);
89625eb186b9b0 drivers/char/drm/drm_bufs.c Dave Airlie 2005-09-05 206 if (list != NULL) {
89625eb186b9b0 drivers/char/drm/drm_bufs.c Dave Airlie 2005-09-05 207 if (list->map->size != map->size) {
836cf0465c422e drivers/char/drm/drm_bufs.c Dave Airlie 2005-07-10 208 DRM_DEBUG("Matching maps of type %d with "
836cf0465c422e drivers/char/drm/drm_bufs.c Dave Airlie 2005-07-10 209 "mismatched sizes, (%ld vs %ld)\n",
b5e89ed53ed8d2 drivers/char/drm/drm_bufs.c Dave Airlie 2005-09-25 210 map->type, map->size,
b5e89ed53ed8d2 drivers/char/drm/drm_bufs.c Dave Airlie 2005-09-25 211 list->map->size);
89625eb186b9b0 drivers/char/drm/drm_bufs.c Dave Airlie 2005-09-05 212 list->map->size = map->size;
836cf0465c422e drivers/char/drm/drm_bufs.c Dave Airlie 2005-07-10 213 }
836cf0465c422e drivers/char/drm/drm_bufs.c Dave Airlie 2005-07-10 214
9a298b2acd771d drivers/gpu/drm/drm_bufs.c Eric Anholt 2009-03-24 215 kfree(map);
89625eb186b9b0 drivers/char/drm/drm_bufs.c Dave Airlie 2005-09-05 216 *maplist = list;
836cf0465c422e drivers/char/drm/drm_bufs.c Dave Airlie 2005-07-10 217 return 0;
836cf0465c422e drivers/char/drm/drm_bufs.c Dave Airlie 2005-07-10 218 }
836cf0465c422e drivers/char/drm/drm_bufs.c Dave Airlie 2005-07-10 219
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 220 if (map->type == _DRM_FRAME_BUFFER ||
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 221 (map->flags & _DRM_WRITE_COMBINING)) {
ff47eaf24d01b5 drivers/gpu/drm/drm_bufs.c Andy Lutomirski 2013-05-13 222 map->mtrr =
ff47eaf24d01b5 drivers/gpu/drm/drm_bufs.c Andy Lutomirski 2013-05-13 223 arch_phys_wc_add(map->offset, map->size);
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 224 }
0769d39c993145 drivers/char/drm/drm_bufs.c Scott Thompson 2007-08-25 225 if (map->type == _DRM_REGISTERS) {
ff47eaf24d01b5 drivers/gpu/drm/drm_bufs.c Andy Lutomirski 2013-05-13 226 if (map->flags & _DRM_WRITE_COMBINING)
ff47eaf24d01b5 drivers/gpu/drm/drm_bufs.c Andy Lutomirski 2013-05-13 227 map->handle = ioremap_wc(map->offset,
ff47eaf24d01b5 drivers/gpu/drm/drm_bufs.c Andy Lutomirski 2013-05-13 228 map->size);
ff47eaf24d01b5 drivers/gpu/drm/drm_bufs.c Andy Lutomirski 2013-05-13 229 else
004a7727421fd2 drivers/char/drm/drm_bufs.c Christoph Hellwig 2007-01-08 230 map->handle = ioremap(map->offset, map->size);
0769d39c993145 drivers/char/drm/drm_bufs.c Scott Thompson 2007-08-25 231 if (!map->handle) {
9a298b2acd771d drivers/gpu/drm/drm_bufs.c Eric Anholt 2009-03-24 232 kfree(map);
0769d39c993145 drivers/char/drm/drm_bufs.c Scott Thompson 2007-08-25 233 return -ENOMEM;
0769d39c993145 drivers/char/drm/drm_bufs.c Scott Thompson 2007-08-25 234 }
0769d39c993145 drivers/char/drm/drm_bufs.c Scott Thompson 2007-08-25 235 }
0769d39c993145 drivers/char/drm/drm_bufs.c Scott Thompson 2007-08-25 236
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 237 break;
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 238 case _DRM_SHM:
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 239 list = drm_find_matching_map(dev, map);
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 240 if (list != NULL) {
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 241 if (list->map->size != map->size) {
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 242 DRM_DEBUG("Matching maps of type %d with "
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 243 "mismatched sizes, (%ld vs %ld)\n",
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 244 map->type, map->size, list->map->size);
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 245 list->map->size = map->size;
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 246 }
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 247
9a298b2acd771d drivers/gpu/drm/drm_bufs.c Eric Anholt 2009-03-24 248 kfree(map);
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 249 *maplist = list;
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 250 return 0;
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 251 }
f239b7b0cac068 drivers/char/drm/drm_bufs.c Thomas Hellstrom 2007-01-08 252 map->handle = vmalloc_user(map->size);
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 253 DRM_DEBUG("%lu %d %p\n",
04420c9c6a6d02 drivers/gpu/drm/drm_bufs.c Daniel Vetter 2013-07-10 254 map->size, order_base_2(map->size), map->handle);
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 255 if (!map->handle) {
9a298b2acd771d drivers/gpu/drm/drm_bufs.c Eric Anholt 2009-03-24 256 kfree(map);
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 257 return -ENOMEM;
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 258 }
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 259 map->offset = (unsigned long)map->handle;
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 260 if (map->flags & _DRM_CONTAINS_LOCK) {
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 261 /* Prevent a 2nd X Server from creating a 2nd lock */
95c081c17f284d drivers/gpu/drm/drm_bufs.c Daniel Vetter 2016-06-21 262 if (dev->master->lock.hw_lock != NULL) {
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 263 vfree(map->handle);
9a298b2acd771d drivers/gpu/drm/drm_bufs.c Eric Anholt 2009-03-24 264 kfree(map);
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 265 return -EBUSY;
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 266 }
95c081c17f284d drivers/gpu/drm/drm_bufs.c Daniel Vetter 2016-06-21 267 dev->sigdata.lock = dev->master->lock.hw_lock = map->handle; /* Pointer to lock */
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 268 }
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 269 break;
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 270 case _DRM_AGP: {
55910517af381e drivers/char/drm/drm_bufs.c Dave Airlie 2007-07-11 271 struct drm_agp_mem *entry;
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 272 int valid = 0;
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 273
d9906753bb997d drivers/gpu/drm/drm_bufs.c Daniel Vetter 2013-12-11 274 if (!dev->agp) {
9a298b2acd771d drivers/gpu/drm/drm_bufs.c Eric Anholt 2009-03-24 275 kfree(map);
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 276 return -EINVAL;
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 277 }
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 278 #ifdef __alpha__
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 279 map->offset += dev->hose->mem_space->start;
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 280 #endif
47a184a80800dd drivers/char/drm/drm_bufs.c Eric Anholt 2007-11-22 281 /* In some cases (i810 driver), user space may have already
47a184a80800dd drivers/char/drm/drm_bufs.c Eric Anholt 2007-11-22 282 * added the AGP base itself, because dev->agp->base previously
47a184a80800dd drivers/char/drm/drm_bufs.c Eric Anholt 2007-11-22 283 * only got set during AGP enable. So, only add the base
47a184a80800dd drivers/char/drm/drm_bufs.c Eric Anholt 2007-11-22 284 * address if the map's offset isn't already within the
47a184a80800dd drivers/char/drm/drm_bufs.c Eric Anholt 2007-11-22 285 * aperture.
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 286 */
47a184a80800dd drivers/char/drm/drm_bufs.c Eric Anholt 2007-11-22 287 if (map->offset < dev->agp->base ||
47a184a80800dd drivers/char/drm/drm_bufs.c Eric Anholt 2007-11-22 288 map->offset > dev->agp->base +
47a184a80800dd drivers/char/drm/drm_bufs.c Eric Anholt 2007-11-22 289 dev->agp->agp_info.aper_size * 1024 * 1024 - 1) {
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 290 map->offset += dev->agp->base;
47a184a80800dd drivers/char/drm/drm_bufs.c Eric Anholt 2007-11-22 291 }
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 292 map->mtrr = dev->agp->agp_mtrr; /* for getmap */
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 293
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 294 /* This assumes the DRM is in total control of AGP space.
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 295 * It's not always the case as AGP can be in the control
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 296 * of user space (i.e. i810 driver). So this loop will get
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 297 * skipped and we double check that dev->agp->memory is
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 298 * actually set as well as being invalid before EPERM'ing
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 299 */
bd1b331fae2813 drivers/char/drm/drm_bufs.c Dave Airlie 2007-05-26 300 list_for_each_entry(entry, &dev->agp->memory, head) {
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 301 if ((map->offset >= entry->bound) &&
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 302 (map->offset + map->size <= entry->bound + entry->pages * PAGE_SIZE)) {
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 303 valid = 1;
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 304 break;
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 305 }
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 306 }
bd1b331fae2813 drivers/char/drm/drm_bufs.c Dave Airlie 2007-05-26 307 if (!list_empty(&dev->agp->memory) && !valid) {
9a298b2acd771d drivers/gpu/drm/drm_bufs.c Eric Anholt 2009-03-24 308 kfree(map);
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 309 return -EPERM;
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 310 }
41c2e75e60200a drivers/gpu/drm/drm_bufs.c Benjamin Herrenschmidt 2009-02-02 311 DRM_DEBUG("AGP offset = 0x%08llx, size = 0x%08lx\n",
41c2e75e60200a drivers/gpu/drm/drm_bufs.c Benjamin Herrenschmidt 2009-02-02 312 (unsigned long long)map->offset, map->size);
54ba2f76e28128 drivers/char/drm/drm_bufs.c Dave Airlie 2007-02-10 313
a2c0a97b784f83 drivers/gpu/drm/drm_bufs.c Jesse Barnes 2008-11-05 314 break;
812c369dbf3b5a drivers/gpu/drm/drm_bufs.c Pekka Paalanen 2009-09-17 315 }
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 316 case _DRM_SCATTER_GATHER:
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 317 if (!dev->sg) {
9a298b2acd771d drivers/gpu/drm/drm_bufs.c Eric Anholt 2009-03-24 318 kfree(map);
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 319 return -EINVAL;
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 320 }
d1f2b55ad2c11f drivers/char/drm/drm_bufs.c Dave Airlie 2005-08-05 321 map->offset += (unsigned long)dev->sg->virtual;
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 322 break;
2d0f9eaff8e1d0 drivers/char/drm/drm_bufs.c Dave Airlie 2005-07-10 323 case _DRM_CONSISTENT:
2d0f9eaff8e1d0 drivers/char/drm/drm_bufs.c Dave Airlie 2005-07-10 324 /* dma_addr_t is 64bit on i386 with CONFIG_HIGHMEM64G,
9c8da5ebbf6f87 drivers/char/drm/drm_bufs.c Dave Airlie 2005-07-10 325 * As we're limiting the address to 2^32-1 (or less),
2d0f9eaff8e1d0 drivers/char/drm/drm_bufs.c Dave Airlie 2005-07-10 326 * casting it down to 32 bits is no problem, but we
ad6ce32a81e438 drivers/gpu/drm/drm_bufs.c Beatriz Martins de Carvalho 2021-04-18 327 * need to point to a 64bit variable first.
ad6ce32a81e438 drivers/gpu/drm/drm_bufs.c Beatriz Martins de Carvalho 2021-04-18 328 */
36b73b051c41c1 drivers/gpu/drm/drm_bufs.c Thomas Zimmermann 2021-01-18 329 map->handle = dma_alloc_coherent(dev->dev,
8e4ff9b5695728 drivers/gpu/drm/drm_bufs.c Chris Wilson 2020-02-02 330 map->size,
8e4ff9b5695728 drivers/gpu/drm/drm_bufs.c Chris Wilson 2020-02-02 331 &map->offset,
8e4ff9b5695728 drivers/gpu/drm/drm_bufs.c Chris Wilson 2020-02-02 332 GFP_KERNEL);
8e4ff9b5695728 drivers/gpu/drm/drm_bufs.c Chris Wilson 2020-02-02 333 if (!map->handle) {
9a298b2acd771d drivers/gpu/drm/drm_bufs.c Eric Anholt 2009-03-24 334 kfree(map);
2d0f9eaff8e1d0 drivers/char/drm/drm_bufs.c Dave Airlie 2005-07-10 335 return -ENOMEM;
2d0f9eaff8e1d0 drivers/char/drm/drm_bufs.c Dave Airlie 2005-07-10 336 }
2d0f9eaff8e1d0 drivers/char/drm/drm_bufs.c Dave Airlie 2005-07-10 337 break;
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 338 default:
9a298b2acd771d drivers/gpu/drm/drm_bufs.c Eric Anholt 2009-03-24 339 kfree(map);
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 340 return -EINVAL;
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 341 }
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 342
94e3370eb9fc00 drivers/gpu/drm/drm_bufs.c Davidlohr Bueso 2010-08-11 343 list = kzalloc(sizeof(*list), GFP_KERNEL);
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 344 if (!list) {
85abb3f95010b2 drivers/char/drm/drm_bufs.c Amol Lad 2006-10-25 345 if (map->type == _DRM_REGISTERS)
004a7727421fd2 drivers/char/drm/drm_bufs.c Christoph Hellwig 2007-01-08 @346 iounmap(map->handle);
9a298b2acd771d drivers/gpu/drm/drm_bufs.c Eric Anholt 2009-03-24 347 kfree(map);
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 348 return -EINVAL;
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 349 }
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 350 list->map = map;
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 351
30e2fb18819490 drivers/char/drm/drm_bufs.c Dave Airlie 2006-02-02 352 mutex_lock(&dev->struct_mutex);
bd1b331fae2813 drivers/char/drm/drm_bufs.c Dave Airlie 2007-05-26 353 list_add(&list->head, &dev->maplist);
8d153f7107ff2c drivers/char/drm/drm_bufs.c Thomas Hellstrom 2006-08-07 354
d1f2b55ad2c11f drivers/char/drm/drm_bufs.c Dave Airlie 2005-08-05 355 /* Assign a 32-bit handle */
30e2fb18819490 drivers/char/drm/drm_bufs.c Dave Airlie 2006-02-02 356 /* We do it here so that dev->struct_mutex protects the increment */
8d153f7107ff2c drivers/char/drm/drm_bufs.c Thomas Hellstrom 2006-08-07 357 user_token = (map->type == _DRM_SHM) ? (unsigned long)map->handle :
8d153f7107ff2c drivers/char/drm/drm_bufs.c Thomas Hellstrom 2006-08-07 358 map->offset;
f1a2a9b6189f9f drivers/gpu/drm/drm_bufs.c David Miller 2009-02-18 359 ret = drm_map_handle(dev, &list->hash, user_token, 0,
f1a2a9b6189f9f drivers/gpu/drm/drm_bufs.c David Miller 2009-02-18 360 (map->type == _DRM_SHM));
8d153f7107ff2c drivers/char/drm/drm_bufs.c Thomas Hellstrom 2006-08-07 361 if (ret) {
85abb3f95010b2 drivers/char/drm/drm_bufs.c Amol Lad 2006-10-25 362 if (map->type == _DRM_REGISTERS)
004a7727421fd2 drivers/char/drm/drm_bufs.c Christoph Hellwig 2007-01-08 363 iounmap(map->handle);
9a298b2acd771d drivers/gpu/drm/drm_bufs.c Eric Anholt 2009-03-24 364 kfree(map);
9a298b2acd771d drivers/gpu/drm/drm_bufs.c Eric Anholt 2009-03-24 365 kfree(list);
8d153f7107ff2c drivers/char/drm/drm_bufs.c Thomas Hellstrom 2006-08-07 366 mutex_unlock(&dev->struct_mutex);
8d153f7107ff2c drivers/char/drm/drm_bufs.c Thomas Hellstrom 2006-08-07 367 return ret;
8d153f7107ff2c drivers/char/drm/drm_bufs.c Thomas Hellstrom 2006-08-07 368 }
8d153f7107ff2c drivers/char/drm/drm_bufs.c Thomas Hellstrom 2006-08-07 369
1545085a28f226 drivers/char/drm/drm_bufs.c Thomas Hellstrom 2007-02-08 370 list->user_token = list->hash.key << PAGE_SHIFT;
30e2fb18819490 drivers/char/drm/drm_bufs.c Dave Airlie 2006-02-02 371 mutex_unlock(&dev->struct_mutex);
^1da177e4c3f41 drivers/char/drm/drm_bufs.c Linus Torvalds 2005-04-16 372
2ff2e8a3e1898e drivers/gpu/drm/drm_bufs.c Ben Skeggs 2009-05-26 373 if (!(map->flags & _DRM_DRIVER))
95c081c17f284d drivers/gpu/drm/drm_bufs.c Daniel Vetter 2016-06-21 374 list->master = dev->master;
89625eb186b9b0 drivers/char/drm/drm_bufs.c Dave Airlie 2005-09-05 375 *maplist = list;
7ab984012a879a drivers/char/drm/drm_bufs.c Dave Airlie 2005-07-10 376 return 0;
7ab984012a879a drivers/char/drm/drm_bufs.c Dave Airlie 2005-07-10 377 }
89625eb186b9b0 drivers/char/drm/drm_bufs.c Dave Airlie 2005-09-05 378
:::::: The code at line 346 was first introduced by commit
:::::: 004a7727421fd202bbdfcc0231a3359085199a52 drm: remove drm_ioremap and drm_ioremapfree
:::::: TO: Christoph Hellwig <hch@lst.de>
:::::: CC: Dave Airlie <airlied@linux.ie>
--
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2022-07-28 16:46 [linux-next:master 4676/13542] drivers/gpu/drm/drm_bufs.c:346:36: sparse: sparse: incorrect type in argument 1 (different address spaces) kernel test robot
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