diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c index 69bac5b801ce..2f6d85090b55 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c @@ -1216,7 +1216,11 @@ static ssize_t amdgpu_gfx_set_compute_partition(struct device *dev, if (!strncasecmp("SPX", buf, strlen("SPX"))) { mode = AMDGPU_SPX_PARTITION_MODE; } else if (!strncasecmp("DPX", buf, strlen("DPX"))) { - if (num_xcc != 4 || num_xcc != 8) + /* + * DPX mode needs AIDs to be in multiple of 2. + * Each AID connects 2 XCCs. + */ + if (num_xcc%4) return -EINVAL; mode = AMDGPU_DPX_PARTITION_MODE; } else if (!strncasecmp("TPX", buf, strlen("TPX"))) { |