Reviewed-by: Evan Quan <evan.quan at amd.com> >-----Original Message----- >From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf Of >Christian K?nig >Sent: Friday, April 07, 2017 4:44 PM >To: amd-gfx at lists.freedesktop.org >Subject: [PATCH] drm/amdgpu: fix "fix 64bit division" > >From: Christian König <christian.koenig at amd.com> > >The offset must be 64bit and add back the accidential dropped line. > >Signed-off-by: Christian König <christian.koenig at amd.com> >--- > drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > >diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c >b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c >index c91f13b..ba11ff254 100644 >--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c >+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c >@@ -551,9 +551,10 @@ static unsigned long amdgpu_ttm_io_mem_pfn(struct >ttm_buffer_object *bo, > { > struct drm_mm_node *mm = bo->mem.mm_node; > uint64_t size = mm->size; >- unsigned long offset = page_offset; >+ uint64_t offset = page_offset; > > page_offset = do_div(offset, size); >+ mm += offset; > return (bo->mem.bus.base >> PAGE_SHIFT) + mm->start + >page_offset; > } > >-- >2.7.4 > >_______________________________________________ >amd-gfx mailing list >amd-gfx at lists.freedesktop.org >https://lists.freedesktop.org/mailman/listinfo/amd-gfx
