drm/xen-front: Pass dumb buffer data offset to the backend (585c6ed7) · Commits · 戴 / test

drivers/gpu/drm/xen/xen_drm_front.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -157,7 +157,8 @@ int xen_drm_front_mode_set(struct xen_drm_front_drm_pipeline *pipeline,

		int xen_drm_front_dbuf_create(struct xen_drm_front_info *front_info,
		u64 dbuf_cookie, u32 width, u32 height,
		u32 bpp, u64 size, struct page **pages)
		u32 bpp, u64 size, u32 offset,
		struct page **pages)
		{
		struct xen_drm_front_evtchnl *evtchnl;
		struct xen_drm_front_dbuf *dbuf;
		@@ -194,6 +195,7 @@ int xen_drm_front_dbuf_create(struct xen_drm_front_info *front_info,
		req->op.dbuf_create.gref_directory =
		xen_front_pgdir_shbuf_get_dir_start(&dbuf->shbuf);
		req->op.dbuf_create.buffer_sz = size;
		req->op.dbuf_create.data_ofs = offset;
		req->op.dbuf_create.dbuf_cookie = dbuf_cookie;
		req->op.dbuf_create.width = width;
		req->op.dbuf_create.height = height;
		@@ -408,7 +410,7 @@ static int xen_drm_drv_dumb_create(struct drm_file *filp,
		ret = xen_drm_front_dbuf_create(drm_info->front_info,
		xen_drm_front_dbuf_to_cookie(obj),
		args->width, args->height, args->bpp,
		args->size,
		args->size, 0,
		xen_drm_front_gem_get_pages(obj));
		if (ret)
		goto fail_backend;

+1 −1

Original line number	Diff line number	Diff line
		@@ -145,7 +145,7 @@ int xen_drm_front_mode_set(struct xen_drm_front_drm_pipeline *pipeline,

		int xen_drm_front_dbuf_create(struct xen_drm_front_info *front_info,
		u64 dbuf_cookie, u32 width, u32 height,
		u32 bpp, u64 size, struct page **pages);
		u32 bpp, u64 size, u32 offset, struct page **pages);

		int xen_drm_front_fb_attach(struct xen_drm_front_info *front_info,
		u64 dbuf_cookie, u64 fb_cookie, u32 width,

+2 −1

Original line number	Diff line number	Diff line
		@@ -210,7 +210,8 @@ xen_drm_front_gem_import_sg_table(struct drm_device *dev,

		ret = xen_drm_front_dbuf_create(drm_info->front_info,
		xen_drm_front_dbuf_to_cookie(&xen_obj->base),
		0, 0, 0, size, xen_obj->pages);
		0, 0, 0, size, sgt->sgl->offset,
		xen_obj->pages);
		if (ret < 0)
		return ERR_PTR(ret);