diff options
| author | Tao Zhou <tao.zhou1@amd.com> | 2019-07-24 11:19:56 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-07-31 14:50:41 -0500 |
| commit | 7cdc2ee3004d9de1247fb6b66afa9f7429cbef9a (patch) | |
| tree | 1fffabf5f4e335058b41e4f9c691975aa5e8ee4d /drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | |
| parent | e10634938b66cff736f5d9b91f80815ef48645d3 (diff) | |
| download | linux-7cdc2ee3004d9de1247fb6b66afa9f7429cbef9a.tar.bz2 | |
drm/amdgpu: remove ras_reserve_vram in ras injection
error injection address is not in gpu address space
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Dennis Li <dennis.li@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index 69a1ba499efa..0c31bd06a7e8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -62,6 +62,9 @@ const char *ras_block_string[] = { #define AMDGPU_RAS_FLAG_INIT_NEED_RESET 2 #define RAS_DEFAULT_FLAGS (AMDGPU_RAS_FLAG_INIT_BY_VBIOS) +/* inject address is 52 bits */ +#define RAS_UMC_INJECT_ADDR_LIMIT (0x1ULL << 52) + static int amdgpu_ras_reserve_vram(struct amdgpu_device *adev, uint64_t offset, uint64_t size, struct amdgpu_bo **bo_ptr); @@ -247,7 +250,6 @@ static ssize_t amdgpu_ras_debugfs_ctrl_write(struct file *f, const char __user * { struct amdgpu_device *adev = (struct amdgpu_device *)file_inode(f)->i_private; struct ras_debug_if data; - struct amdgpu_bo *bo; int ret = 0; ret = amdgpu_ras_debugfs_ctrl_parse_data(f, buf, size, pos, &data); @@ -265,17 +267,14 @@ static ssize_t amdgpu_ras_debugfs_ctrl_write(struct file *f, const char __user * ret = amdgpu_ras_feature_enable(adev, &data.head, 1); break; case 2: - ret = amdgpu_ras_reserve_vram(adev, - data.inject.address, PAGE_SIZE, &bo); - if (ret) { - /* address was offset, now it is absolute.*/ - data.inject.address += adev->gmc.vram_start; - if (data.inject.address > adev->gmc.vram_end) - break; - } else - data.inject.address = amdgpu_bo_gpu_offset(bo); + if ((data.inject.address >= adev->gmc.mc_vram_size) || + (data.inject.address >= RAS_UMC_INJECT_ADDR_LIMIT)) { + ret = -EINVAL; + break; + } + + /* data.inject.address is offset instead of absolute gpu address */ ret = amdgpu_ras_error_inject(adev, &data.inject); - amdgpu_ras_release_vram(adev, &bo); break; default: ret = -EINVAL; |