891 			     struct drm_intel_overlay_put_image *rec)  in check_overlay_dst()  argument
895 	if (rec->dst_x < mode->hdisplay &&  in check_overlay_dst()
896 	    rec->dst_x + rec->dst_width <= mode->hdisplay &&  in check_overlay_dst()
897 	    rec->dst_y < mode->vdisplay &&  in check_overlay_dst()
898 	    rec->dst_y + rec->dst_height <= mode->vdisplay)  in check_overlay_dst()
904 static int check_overlay_scaling(struct put_image_params *rec)  in check_overlay_scaling()  argument
909 	tmp = ((rec->src_scan_h << 16) / rec->dst_h) >> 16;  in check_overlay_scaling()
912 	tmp = ((rec->src_scan_w << 16) / rec->dst_w) >> 16;  in check_overlay_scaling()
920 			     struct drm_intel_overlay_put_image *rec,  in check_overlay_src()  argument
923 	int uv_hscale = uv_hsubsampling(rec->flags);  in check_overlay_src()
924 	int uv_vscale = uv_vsubsampling(rec->flags);  in check_overlay_src()
931 		if (rec->src_height > IMAGE_MAX_HEIGHT_LEGACY ||  in check_overlay_src()
932 		    rec->src_width  > IMAGE_MAX_WIDTH_LEGACY)  in check_overlay_src()
935 		if (rec->src_height > IMAGE_MAX_HEIGHT ||  in check_overlay_src()
936 		    rec->src_width  > IMAGE_MAX_WIDTH)  in check_overlay_src()
941 	if (rec->src_height < N_VERT_Y_TAPS*4 ||  in check_overlay_src()
942 	    rec->src_width  < N_HORIZ_Y_TAPS*4)  in check_overlay_src()
946 	switch (rec->flags & I915_OVERLAY_TYPE_MASK) {  in check_overlay_src()
955 		depth = packed_depth_bytes(rec->flags);  in check_overlay_src()
960 		rec->stride_UV = 0;  in check_overlay_src()
961 		rec->offset_U = 0;  in check_overlay_src()
962 		rec->offset_V = 0;  in check_overlay_src()
964 		if (rec->offset_Y % depth)  in check_overlay_src()
978 	if (rec->src_width % uv_hscale)  in check_overlay_src()
987 	if (rec->stride_Y & stride_mask || rec->stride_UV & stride_mask)  in check_overlay_src()
989 	if (IS_GEN4(dev) && rec->stride_Y < 512)  in check_overlay_src()
992 	tmp = (rec->flags & I915_OVERLAY_TYPE_MASK) == I915_OVERLAY_YUV_PLANAR ?  in check_overlay_src()
994 	if (rec->stride_Y > tmp || rec->stride_UV > 2*1024)  in check_overlay_src()
998 	switch (rec->flags & I915_OVERLAY_TYPE_MASK) {  in check_overlay_src()
1002 		if (packed_width_bytes(rec->flags, rec->src_width) > rec->stride_Y)  in check_overlay_src()
1005 		tmp = rec->stride_Y*rec->src_height;  in check_overlay_src()
1006 		if (rec->offset_Y + tmp > new_bo->base.size)  in check_overlay_src()
1011 		if (rec->src_width > rec->stride_Y)  in check_overlay_src()
1013 		if (rec->src_width/uv_hscale > rec->stride_UV)  in check_overlay_src()
1016 		tmp = rec->stride_Y * rec->src_height;  in check_overlay_src()
1017 		if (rec->offset_Y + tmp > new_bo->base.size)  in check_overlay_src()
1020 		tmp = rec->stride_UV * (rec->src_height / uv_vscale);  in check_overlay_src()
1021 		if (rec->offset_U + tmp > new_bo->base.size ||  in check_overlay_src()
1022 		    rec->offset_V + tmp > new_bo->base.size)  in check_overlay_src()