diff options
| author | Matthew Auld <matthew.auld@intel.com> | 2022-02-25 17:55:01 +0300 |
|---|---|---|
| committer | Matthew Auld <matthew.auld@intel.com> | 2022-02-28 11:47:35 +0300 |
| commit | f199bf55104d480370515bc736418808e5cfa6b9 (patch) | |
| tree | 664e1166283b149f3e1dab8dd80a6c037f30b2a4 /drivers/gpu/drm/i915/i915_ttm_buddy_manager.c | |
| parent | f9eb742988e20fb86926de8ad18d7e93b53d1a62 (diff) | |
| download | linux-f199bf55104d480370515bc736418808e5cfa6b9.tar.xz | |
drm/i915/buddy: tweak 2big check
Otherwise we get -EINVAL, instead of the more useful -E2BIG if the
allocation doesn't fit within the pfn range, like with mappable lmem.
The hugepages selftest, for example, needs this to know if a smaller
size is needed.
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Acked-by: Nirmoy Das <nirmoy.das@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220225145502.331818-6-matthew.auld@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_ttm_buddy_manager.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_ttm_buddy_manager.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c b/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c index 0ac6b2463fd5..92d49a3c378c 100644 --- a/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c +++ b/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c @@ -82,7 +82,7 @@ static int i915_ttm_buddy_man_alloc(struct ttm_resource_manager *man, lpfn = pages; } - if (size > mm->size) { + if (size > lpfn << PAGE_SHIFT) { err = -E2BIG; goto err_free_res; } |