Commit 14a8d83c authored by Michal Wajdeczko's avatar Michal Wajdeczko Committed by Thomas Hellström
Browse files

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: default avatarkernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202511150929.3vUi6PEJ-lkp@intel.com/


Fixes: e448372e ("drm/xe/pf: Use migration-friendly GGTT auto-provisioning")
Signed-off-by: default avatarMichal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: default avatarPiotr Piórkowski <piotr.piorkowski@intel.com>
Link: https://patch.msgid.link/20251115151323.10828-1-michal.wajdeczko@intel.com


(cherry picked from commit 0f4435a1)
Signed-off-by: default avatarThomas Hellström <thomas.hellstrom@linux.intel.com>
parent bf213ac6

drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c

+1 −1
Original line number Diff line number Diff line
@@ -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));

}



/**