From: Dave Airlie Date: Fri, 25 Sep 2009 23:03:39 +0000 (+1000) Subject: drm/radeon/kms: fix for the extra pages copying. X-Git-Tag: v2.6.32-rc3~64^2~8 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c5e617e2f84225a28823a3e19951273b9f59eb27;p=platform%2Fkernel%2Flinux-stable.git drm/radeon/kms: fix for the extra pages copying. Thanks to Michel for pointing this out to me, this is why I need to get more sleep, over complicate this a bit. Signed-off-by: Dave Airlie --- diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c index dea8acf..5ab2cf9 100644 --- a/drivers/gpu/drm/radeon/radeon_cs.c +++ b/drivers/gpu/drm/radeon/radeon_cs.c @@ -303,13 +303,11 @@ int radeon_cs_finish_pages(struct radeon_cs_parser *p) int radeon_cs_update_pages(struct radeon_cs_parser *p, int pg_idx) { int new_page; - int num_extra_pages; struct radeon_cs_chunk *ibc = &p->chunks[p->chunk_ib_idx]; int i; int size = PAGE_SIZE; - num_extra_pages = (pg_idx - ibc->last_copied_page - 1); - for (i = ibc->last_copied_page + 1; i < ibc->last_copied_page + num_extra_pages; i++) { + for (i = ibc->last_copied_page + 1; i < pg_idx; i++) { if (DRM_COPY_FROM_USER(p->ib->ptr + (i * (PAGE_SIZE/4)), ibc->user_ptr + (i * PAGE_SIZE), PAGE_SIZE)) {