From: kbuild test robot <lkp@intel.com>
To: Likun Gao <Likun.Gao@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>,
Kevin Wang <Kevin1.Wang@amd.com>, Huang Rui <ray.huang@amd.com>,
kbuild-all@01.org, dri-devel@lists.freedesktop.org
Subject: [radeon-alex:drm-next-5.2-wip 105/353] drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c:97:30: sparse: incorrect type in initializer (different address spaces)
Date: Thu, 14 Mar 2019 19:12:34 +0800 [thread overview]
Message-ID: <201903141930.HrPTLRMY%lkp@intel.com> (raw)
tree: git://people.freedesktop.org/~agd5f/linux.git drm-next-5.2-wip
head: efb39951130465f9b034827df336c421f7e8fa6d
commit: e0c27cbc634243e85b718515e95e4880d2cfaac9 [105/353] drm/amd/powerplay: update hw fini function to relase some memory
reproduce:
# apt-get install sparse
git checkout e0c27cbc634243e85b718515e95e4880d2cfaac9
make ARCH=x86_64 allmodconfig
make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
sparse warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c:97:30: sparse: incorrect type in initializer (different address spaces) @@ expected void [noderef] <asn:2>*ptr @@ got sn:2>*ptr @@
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c:97:30: expected void [noderef] <asn:2>*ptr
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c:97:30: got void *<noident>
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c:177:30: sparse: expression using sizeof(void)
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c:187:29: sparse: expression using sizeof(void)
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c:187:29: sparse: expression using sizeof(void)
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c:189:33: sparse: expression using sizeof(void)
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c:189:33: sparse: expression using sizeof(void)
--
>> drivers/gpu/drm/amd/amdgpu/../powerplay/smu_v11_0.c:156:31: sparse: cast to restricted __le32
drivers/gpu/drm/amd/amdgpu/../powerplay/smu_v11_0.c:164:25: sparse: cast to restricted __le32
drivers/gpu/drm/amd/amdgpu/../powerplay/smu_v11_0.c:164:25: sparse: cast to restricted __le32
drivers/gpu/drm/amd/amdgpu/../powerplay/smu_v11_0.c:164:25: sparse: cast to restricted __le32
include/linux/slab.h:664:13: sparse: undefined identifier '__builtin_mul_overflow'
drivers/gpu/drm/amd/amdgpu/../powerplay/smu_v11_0.c:348:5: sparse: symbol 'smu_v11_0_get_vbios_bootup_values' was not declared. Should it be static?
drivers/gpu/drm/amd/amdgpu/../powerplay/smu_v11_0.c:424:45: sparse: cast to restricted __le32
drivers/gpu/drm/amd/amdgpu/../powerplay/smu_v11_0.c:438:46: sparse: cast to restricted __le32
include/linux/slab.h:664:13: sparse: call with no type!
vim +97 drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
961c75cf Christian König 2018-08-23 81
961c75cf Christian König 2018-08-23 82 /**
b9d8c7f2 Yong Zhao 2019-02-25 83 * amdgpu_gmc_set_pte_pde - update the page tables using CPU
b9d8c7f2 Yong Zhao 2019-02-25 84 *
b9d8c7f2 Yong Zhao 2019-02-25 85 * @adev: amdgpu_device pointer
b9d8c7f2 Yong Zhao 2019-02-25 86 * @cpu_pt_addr: cpu address of the page table
b9d8c7f2 Yong Zhao 2019-02-25 87 * @gpu_page_idx: entry in the page table to update
b9d8c7f2 Yong Zhao 2019-02-25 88 * @addr: dst addr to write into pte/pde
b9d8c7f2 Yong Zhao 2019-02-25 89 * @flags: access flags
b9d8c7f2 Yong Zhao 2019-02-25 90 *
b9d8c7f2 Yong Zhao 2019-02-25 91 * Update the page tables using CPU.
b9d8c7f2 Yong Zhao 2019-02-25 92 */
b9d8c7f2 Yong Zhao 2019-02-25 93 int amdgpu_gmc_set_pte_pde(struct amdgpu_device *adev, void *cpu_pt_addr,
b9d8c7f2 Yong Zhao 2019-02-25 94 uint32_t gpu_page_idx, uint64_t addr,
b9d8c7f2 Yong Zhao 2019-02-25 95 uint64_t flags)
b9d8c7f2 Yong Zhao 2019-02-25 96 {
b9d8c7f2 Yong Zhao 2019-02-25 @97 void __iomem *ptr = (void *)cpu_pt_addr;
b9d8c7f2 Yong Zhao 2019-02-25 98 uint64_t value;
b9d8c7f2 Yong Zhao 2019-02-25 99
b9d8c7f2 Yong Zhao 2019-02-25 100 /*
b9d8c7f2 Yong Zhao 2019-02-25 101 * The following is for PTE only. GART does not have PDEs.
b9d8c7f2 Yong Zhao 2019-02-25 102 */
b9d8c7f2 Yong Zhao 2019-02-25 103 value = addr & 0x0000FFFFFFFFF000ULL;
b9d8c7f2 Yong Zhao 2019-02-25 104 value |= flags;
b9d8c7f2 Yong Zhao 2019-02-25 105 writeq(value, ptr + (gpu_page_idx * 8));
b9d8c7f2 Yong Zhao 2019-02-25 106 return 0;
b9d8c7f2 Yong Zhao 2019-02-25 107 }
b9d8c7f2 Yong Zhao 2019-02-25 108
:::::: The code at line 97 was first introduced by commit
:::::: b9d8c7f2d8d51bd382062b30a52b0bfe1750c05e drm/amdgpu: Eliminate the set_pde_pte function pointer in amdgpu_gmc_funcs
:::::: TO: Yong Zhao <Yong.Zhao@amd.com>
:::::: CC: Alex Deucher <alexander.deucher@amd.com>
---
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