diff options
| author | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2025-11-15 16:13:22 +0100 |
|---|---|---|
| committer | Thomas Hellström <thomas.hellstrom@linux.intel.com> | 2025-12-01 10:16:03 +0100 |
| commit | 14a8d83cbe7b929ee601fd2a48b4642cf80b39f4 (patch) | |
| tree | 70bf1297f2264165286d089a11a0cfd56bb5c99c | |
| parent | bf213ac63721b8fbbf0fc07eea6366419826ae8b (diff) | |
drm/xe/pf: Use div_u64 when calculating GGTT profile
This will fix the following error seen on some 32-bit config:
"ERROR: modpost: "__udivdi3" [drivers/gpu/drm/xe/xe.ko] undefined!"
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202511150929.3vUi6PEJ-lkp@intel.com/
Fixes: e448372e8a8e ("drm/xe/pf: Use migration-friendly GGTT auto-provisioning")
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Link: https://patch.msgid.link/20251115151323.10828-1-michal.wajdeczko@intel.com
(cherry picked from commit 0f4435a1f46efc3177eb082cd3f73e29da5ab86a)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c b/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c index 62f6cc45a764..59c5c6b4d994 100644 --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c @@ -711,7 +711,7 @@ static u64 pf_profile_fair_ggtt(struct xe_gt *gt, unsigned int num_vfs) if (num_vfs > 56) return SZ_64M - SZ_8M; - return rounddown_pow_of_two(shareable / num_vfs); + return rounddown_pow_of_two(div_u64(shareable, num_vfs)); } /** |