Commit 43d48379 authored by Fei Yang's avatar Fei Yang Committed by Matt Roper
Browse files

drm/xe: correct the calculation of remaining size 



In function write_pgtable, the calculation of chunk in the do-while
loop is wrong, we should always compare against remaining size instead
of the total size update->qwords.

Signed-off-by: default avatarFei Yang <fei.yang@intel.com>
Reviewed-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Signed-off-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240116223709.652585-2-fei.yang@intel.com
parent eb08104f

drivers/gpu/drm/xe/xe_migrate.c

+1 −1
Original line number Diff line number Diff line
@@ -1116,7 +1116,7 @@ static void write_pgtable(struct xe_tile *tile, struct xe_bb *bb, u64 ppgtt_ofs, 
	do {

		u64 addr = ppgtt_ofs + ofs * 8;



		chunk = min(update->qwords, MAX_PTE_PER_SDI);

		chunk = min(size, MAX_PTE_PER_SDI);



		/* Ensure populatefn can do memset64 by aligning bb->cs */

		if (!(bb->len & 1))