5:14 p.m.
tree: https://github.com/skeggsb/linux devel
head: 7f0de5bc23ca2a31b4faccc68b4416a2f627bf4b
commit: b353550478fb642e81dd1932f47517e8e04a2ee8 [3/28] drm/nouveau/kms/nv140-: Use
hard-coded wndws or core channel for CRC channel
config: x86_64-randconfig-s021-20210810 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.3-348-gf0e6938b-dirty
#
https://github.com/skeggsb/linux/commit/b353550478fb642e81dd1932f47517e8e...
git remote add skeggsb https://github.com/skeggsb/linux
git fetch --no-tags skeggsb devel
git checkout b353550478fb642e81dd1932f47517e8e04a2ee8
# save the attached .config to linux build tree
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir
ARCH=x86_64 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