9:39 a.m.
tree: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
head: 393534f291d821779203cb74896abc26e07160d6
commit: 57cbdbe65e5f9ba9bfd67b66bc3ce24ef1c54643 [4/22] drm/nouveau/kms/nv140-: Use
hard-coded wndws or core channel for CRC channel
config: riscv-randconfig-s031-20211116 (attached as .config)
compiler: riscv32-linux-gcc (GCC) 11.2.0
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-dirty
git remote add drm-misc git://anongit.freedesktop.org/drm/drm-misc
git fetch --no-tags drm-misc drm-misc-next
git checkout 57cbdbe65e5f9ba9bfd67b66bc3ce24ef1c54643
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1
CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=riscv SHELL=/bin/bash
drivers/gpu/drm/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
sparse warnings: (new ones prefixed by >>)
> drivers/gpu/drm/nouveau/dispnv50/crcc57d.c:40:17: sparse: sparse:
cast removes address space '__iomem' of expression
> drivers/gpu/drm/nouveau/dispnv50/crcc57d.c:40:17: sparse: sparse: cast removes
address space '__iomem' of expression
drivers/gpu/drm/nouveau/dispnv50/crcc57d.c:41:17: sparse: sparse: cast removes address
space '__iomem' of expression
drivers/gpu/drm/nouveau/dispnv50/crcc57d.c:41:17: sparse: sparse: cast removes address
space '__iomem' of expression
drivers/gpu/drm/nouveau/dispnv50/crcc57d.c:43:17: sparse: sparse: cast removes address
space '__iomem' of expression
drivers/gpu/drm/nouveau/dispnv50/crcc57d.c:43:17: sparse: sparse: cast removes address
space '__iomem' of expression
drivers/gpu/drm/nouveau/dispnv50/crcc57d.c:44:17: sparse: sparse: cast removes address
space '__iomem' of expression
drivers/gpu/drm/nouveau/dispnv50/crcc57d.c:44:17: sparse: sparse: cast removes address
space '__iomem' of expression
vim +/__iomem +40 drivers/gpu/drm/nouveau/dispnv50/crcc57d.c
12
13 static int crcc57d_set_src(struct nv50_head *head, int or, enum
nv50_crc_source_type source,
14 struct nv50_crc_notifier_ctx *ctx)
15 {
16 struct nvif_push *push =
nv50_disp(head->base.base.dev)->core->chan.push;
17 const int i = head->base.index;
18 u32 crc_args = NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, CONTROLLING_CHANNEL, CORE) |
19 NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, EXPECT_BUFFER_COLLAPSE, FALSE) |
20 NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, SECONDARY_CRC, NONE) |
21 NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, CRC_DURING_SNOOZE, DISABLE);
22 int ret;
23
24 switch (source) {
25 case NV50_CRC_SOURCE_TYPE_SOR:
26 crc_args |= NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, PRIMARY_CRC, SOR(or));
27 break;
28 case NV50_CRC_SOURCE_TYPE_SF:
29 crc_args |= NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, PRIMARY_CRC, SF);
30 break;
31 default:
32 break;
33 }
34
35 ret = PUSH_WAIT(push, 4);
36 if (ret)
37 return ret;
38
39 if (source) {
40 PUSH_MTHD(push, NVC57D, HEAD_SET_CONTEXT_DMA_CRC(i),
ctx->ntfy.handle);
41 PUSH_MTHD(push, NVC57D, HEAD_SET_CRC_CONTROL(i),
crc_args);
42 } else {
43 PUSH_MTHD(push, NVC57D, HEAD_SET_CRC_CONTROL(i), 0);
44 PUSH_MTHD(push, NVC57D, HEAD_SET_CONTEXT_DMA_CRC(i), 0);
45 }
46
47 return 0;
48 }
49
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org