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| author | Mihir Bhogilal Patel <Mihir.Patel@amd.com> | 2020-10-08 15:46:38 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-10-15 12:23:24 -0400 |
| commit | ff72bc40317079b775a7a6d2ba94297b04b795e4 (patch) | |
| tree | 2342e55ca6de6895f0a9b11d297b14ac6b1b6916 /drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | |
| parent | ded08454e56b70186bff74374d31f57a90cb497f (diff) | |
| download | linux-ff72bc40317079b775a7a6d2ba94297b04b795e4.tar.bz2 | |
drm/amdgpu: Add debugfs entry for printing VM info
Create new debugfs entry to print memory info using VM buffer
objects.
V2: Added Common function for printing BO info.
Dump more VM lists for evicted, moved, relocated, invalidated.
Removed dumping VM mapped BOs.
V3: Fixed coding style comments, renamed print API and variables.
V4: Fixed coding style comments.
Signed-off-by: Mihir Bhogilal Patel <Mihir.Patel@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 07e81aca9c34..b191701098f0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -1528,3 +1528,77 @@ uint32_t amdgpu_bo_get_preferred_pin_domain(struct amdgpu_device *adev, } return domain; } + +#if defined(CONFIG_DEBUG_FS) +#define amdgpu_bo_print_flag(m, bo, flag) \ + do { \ + if (bo->flags & (AMDGPU_GEM_CREATE_ ## flag)) { \ + seq_printf((m), " " #flag); \ + } \ + } while (0) + +/** + * amdgpu_debugfs_print_bo_info - print BO info in debugfs file + * + * @id: Index or Id of the BO + * @bo: Requested BO for printing info + * @m: debugfs file + * + * Print BO information in debugfs file + * + * Returns: + * Size of the BO in bytes. + */ +u64 amdgpu_bo_print_info(int id, struct amdgpu_bo *bo, struct seq_file *m) +{ + struct dma_buf_attachment *attachment; + struct dma_buf *dma_buf; + unsigned int domain; + const char *placement; + unsigned int pin_count; + u64 size; + + domain = amdgpu_mem_type_to_domain(bo->tbo.mem.mem_type); + switch (domain) { + case AMDGPU_GEM_DOMAIN_VRAM: + placement = "VRAM"; + break; + case AMDGPU_GEM_DOMAIN_GTT: + placement = " GTT"; + break; + case AMDGPU_GEM_DOMAIN_CPU: + default: + placement = " CPU"; + break; + } + + size = amdgpu_bo_size(bo); + seq_printf(m, "\t\t0x%08x: %12lld byte %s", + id, size, placement); + + pin_count = READ_ONCE(bo->pin_count); + if (pin_count) + seq_printf(m, " pin count %d", pin_count); + + dma_buf = READ_ONCE(bo->tbo.base.dma_buf); + attachment = READ_ONCE(bo->tbo.base.import_attach); + + if (attachment) + seq_printf(m, " imported from %p", dma_buf); + else if (dma_buf) + seq_printf(m, " exported as %p", dma_buf); + + amdgpu_bo_print_flag(m, bo, CPU_ACCESS_REQUIRED); + amdgpu_bo_print_flag(m, bo, NO_CPU_ACCESS); + amdgpu_bo_print_flag(m, bo, CPU_GTT_USWC); + amdgpu_bo_print_flag(m, bo, VRAM_CLEARED); + amdgpu_bo_print_flag(m, bo, SHADOW); + amdgpu_bo_print_flag(m, bo, VRAM_CONTIGUOUS); + amdgpu_bo_print_flag(m, bo, VM_ALWAYS_VALID); + amdgpu_bo_print_flag(m, bo, EXPLICIT_SYNC); + + seq_puts(m, "\n"); + + return size; +} +#endif |