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Commit585c6ed

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Oleksandr Andrushchenkojgross1
Oleksandr Andrushchenko
authored andcommitted
drm/xen-front: Pass dumb buffer data offset to the backend
While importing a dmabuf it is possible that the data of the bufferis put with offset which is indicated by the SGT offset.Respect the offset value and forward it to the backend.Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>Acked-by: Noralf Trønnes <noralf@tronnes.org>Signed-off-by: Juergen Gross <jgross@suse.com>
1 parent6f92337 commit585c6ed

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3 files changed

+7
-4
lines changed

3 files changed

+7
-4
lines changed

‎drivers/gpu/drm/xen/xen_drm_front.c‎

Lines changed: 4 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -157,7 +157,8 @@ int xen_drm_front_mode_set(struct xen_drm_front_drm_pipeline *pipeline,
157157

158158
intxen_drm_front_dbuf_create(structxen_drm_front_info*front_info,
159159
u64dbuf_cookie,u32width,u32height,
160-
u32bpp,u64size,structpage**pages)
160+
u32bpp,u64size,u32offset,
161+
structpage**pages)
161162
{
162163
structxen_drm_front_evtchnl*evtchnl;
163164
structxen_drm_front_dbuf*dbuf;
@@ -194,6 +195,7 @@ int xen_drm_front_dbuf_create(struct xen_drm_front_info *front_info,
194195
req->op.dbuf_create.gref_directory=
195196
xen_front_pgdir_shbuf_get_dir_start(&dbuf->shbuf);
196197
req->op.dbuf_create.buffer_sz=size;
198+
req->op.dbuf_create.data_ofs=offset;
197199
req->op.dbuf_create.dbuf_cookie=dbuf_cookie;
198200
req->op.dbuf_create.width=width;
199201
req->op.dbuf_create.height=height;
@@ -408,7 +410,7 @@ static int xen_drm_drv_dumb_create(struct drm_file *filp,
408410
ret=xen_drm_front_dbuf_create(drm_info->front_info,
409411
xen_drm_front_dbuf_to_cookie(obj),
410412
args->width,args->height,args->bpp,
411-
args->size,
413+
args->size,0,
412414
xen_drm_front_gem_get_pages(obj));
413415
if (ret)
414416
gotofail_backend;

‎drivers/gpu/drm/xen/xen_drm_front.h‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -145,7 +145,7 @@ int xen_drm_front_mode_set(struct xen_drm_front_drm_pipeline *pipeline,
145145

146146
intxen_drm_front_dbuf_create(structxen_drm_front_info*front_info,
147147
u64dbuf_cookie,u32width,u32height,
148-
u32bpp,u64size,structpage**pages);
148+
u32bpp,u64size,u32offset,structpage**pages);
149149

150150
intxen_drm_front_fb_attach(structxen_drm_front_info*front_info,
151151
u64dbuf_cookie,u64fb_cookie,u32width,

‎drivers/gpu/drm/xen/xen_drm_front_gem.c‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -210,7 +210,8 @@ xen_drm_front_gem_import_sg_table(struct drm_device *dev,
210210

211211
ret=xen_drm_front_dbuf_create(drm_info->front_info,
212212
xen_drm_front_dbuf_to_cookie(&xen_obj->base),
213-
0,0,0,size,xen_obj->pages);
213+
0,0,0,size,sgt->sgl->offset,
214+
xen_obj->pages);
214215
if (ret<0)
215216
returnERR_PTR(ret);
216217

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