tree: git://people.freedesktop.org/~agd5f/linux.git amd-staging-drm-next
head: be1e8b7c9bbedf5963f9573bcd9cb9ba5046c50d
commit: 1cfd8e237f0318e330190ac21d63c58ae6a1f66c [1458/1474] drm/amdgpu:cleanup
GMC & gart garbage function
config: i386-randconfig-s0-201746 (attached as .config)
compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026
reproduce:
git checkout 1cfd8e237f0318e330190ac21d63c58ae6a1f66c
# save the attached .config to linux build tree
make ARCH=i386
All errors (new ones prefixed by >>):
drivers/gpu//drm/amd/amdgpu/amdgpu_gart.c: In function
'amdgpu_gart_table_vram_alloc':
>> drivers/gpu//drm/amd/amdgpu/amdgpu_gart.c:73:6: error: passing argument 6 of
>> 'amdgpu_bo_create_kernel' from incompatible pointer type
>> [-Werror=incompatible-pointer-types]
&adev->gart.table_addr, &adev->gart.ptr);
^
In file included from drivers/gpu//drm/amd/amdgpu/amdgpu.h:1946:0,
from drivers/gpu//drm/amd/amdgpu/amdgpu_gart.c:33:
drivers/gpu//drm/amd/amdgpu/amdgpu_object.h:215:5: note: expected 'u64 *
{aka long long unsigned int *}' but argument is of type 'dma_addr_t * {aka
unsigned int *}'
int amdgpu_bo_create_kernel(struct amdgpu_device *adev,
^~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu//drm/amd/amdgpu/amdgpu_gart.c: In function
'amdgpu_gart_table_vram_free':
>> drivers/gpu//drm/amd/amdgpu/amdgpu_gart.c:88:5: error: passing argument 2 of
>> 'amdgpu_bo_free_kernel' from incompatible pointer type
>> [-Werror=incompatible-pointer-types]
&adev->gart.table_addr,
^
In file included from drivers/gpu//drm/amd/amdgpu/amdgpu.h:1946:0,
from drivers/gpu//drm/amd/amdgpu/amdgpu_gart.c:33:
drivers/gpu//drm/amd/amdgpu/amdgpu_object.h:219:6: note: expected 'u64 *
{aka long long unsigned int *}' but argument is of type 'dma_addr_t * {aka
unsigned int *}'
void amdgpu_bo_free_kernel(struct amdgpu_bo **bo, u64 *gpu_addr,
^~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +/amdgpu_bo_create_kernel +73 drivers/gpu//drm/amd/amdgpu/amdgpu_gart.c
34
35 /*
36 * GART
37 * The GART (Graphics Aperture Remapping Table) is an aperture
38 * in the GPU's address space. System pages can be mapped into
39 * the aperture and look like contiguous pages from the GPU's
40 * perspective. A page table maps the pages in the aperture
41 * to the actual backing pages in system memory.
42 *
43 * Radeon GPUs support both an internal GART, as described above,
44 * and AGP. AGP works similarly, but the GART table is configured
45 * and maintained by the northbridge rather than the driver.
46 * Radeon hw has a separate AGP aperture that is programmed to
47 * point to the AGP aperture provided by the northbridge and the
48 * requests are passed through to the northbridge aperture.
49 * Both AGP and internal GART can be used at the same time, however
50 * that is not currently supported by the driver.
51 *
52 * This file handles the common internal GART management.
53 */
54
55 /*
56 * Common GART table functions.
57 */
58
59 /**
60 * amdgpu_gart_table_vram_alloc - allocate vram for gart page table
61 *
62 * @adev: amdgpu_device pointer
63 *
64 * Allocate video memory for GART page table
65 * (pcie r4xx, r5xx+). These asics require the
66 * gart table to be in video memory.
67 * Returns 0 for success, error for failure.
68 */
69 int amdgpu_gart_table_vram_alloc(struct amdgpu_device *adev)
70 {
71 return amdgpu_bo_create_kernel(adev, adev->gart.table_size,
PAGE_SIZE,
72 AMDGPU_GEM_DOMAIN_VRAM,
&adev->gart.robj,
> 73 &adev->gart.table_addr,
&adev->gart.ptr);
74 }
75
76 /**
77 * amdgpu_gart_table_vram_free - free gart page table vram
78 *
79 * @adev: amdgpu_device pointer
80 *
81 * Free the video memory used for the GART page table
82 * (pcie r4xx, r5xx+). These asics require the gart table to
83 * be in video memory.
84 */
85 void amdgpu_gart_table_vram_free(struct amdgpu_device *adev)
86 {
87 amdgpu_bo_free_kernel(&adev->gart.robj,
> 88 &adev->gart.table_addr,
89 &adev->gart.ptr);
90 }
91
---
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