nvidia/engine/nv_bes.c

150 			/* height < 2 is not allowed */
161 	/* height < 2 is not allowed */
162 	if (si->overlay.ow.height < 2)
169 		if ((si->overlay.ow.v_start + si->overlay.ow.height - 1) > (crtc_vend - 1))
176 			if ((si->overlay.ow.v_start + si->overlay.ow.height - 1) < (crtc_vstart + 1))
178 				/* height < 2 is not allowed */
184 				temp2 = ((uint16)(si->overlay.ow.v_start + si->overlay.ow.height - crtc_vstart - 1)) & 0x7ff;
256 		if ((si->overlay.ow.v_start + si->overlay.ow.height - 1) < (crtc_vstart + 1))
259 			 * 'total height - 2' of dest. picture in pixels * inverse scaling factor */
260 			moi->v1srcstv = (si->overlay.ow.height - 2) * si->overlay.v_ifactor;
435 	 * 'ow->width' and 'ow->height' are the output window size: does not change
462 	if (my_ov.height == 0) my_ov.height++;
467 	if (my_ov.v_start > (ob->height - 1))
468 		my_ov.v_start = (ob->height - 1);
469 	if (((my_ov.v_start + my_ov.height) - 1) > (ob->height - 1))
470 		my_ov.height = (((ob->height - 1) - my_ov.v_start) + 1);
472 	LOG(4,("Overlay: inputbuffer view (zoom) left %d, top %d, width %d, height %d\n",
473 		my_ov.h_start, my_ov.v_start, my_ov.width, my_ov.height));
484 	LOG(4,("Overlay: total input picture width = %d, height = %d\n",
485 			(ob->width - si->overlay.myBufInfo[offset].slopspace), ob->height));
486 	LOG(4,("Overlay: output picture width = %d, height = %d\n", ow->width, ow->height));
582 		if ((my_ov.height == ow->height) | (ow->height < 2))
584 			/* no vertical scaling used, OR destination height < 2 */
595 		if ((ow->height < my_ov.height) & (ow->height >= 2))
597 			/* vertical downscaling used AND destination height >= 2 */
609 	ifactor = (((uint32)(my_ov.height - intrep)) << 16) / (ow->height - intrep);
789 		BESW(NV10_0SRCSIZE, ((ob->height << 16) | ob->width));