drm/amd/display: prevent setting cursor position with no surface
authorDmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Thu, 19 Jan 2017 22:54:39 +0000 (17:54 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 26 Sep 2017 21:11:51 +0000 (17:11 -0400)
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/dc/core/dc_stream.c

index 47816c5..e1f579b 100644 (file)
@@ -232,8 +232,8 @@ bool dc_stream_set_cursor_position(
        for (i = 0; i < MAX_PIPES; i++) {
                struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
 
-               if ((pipe_ctx->stream == stream) &&
-                               (pipe_ctx->ipp != NULL)) {
+               if (pipe_ctx->stream == stream &&
+                               pipe_ctx->ipp && pipe_ctx->surface) {
                        struct input_pixel_processor *ipp = pipe_ctx->ipp;
                        struct dc_cursor_mi_param param = {
                                .pixel_clk_khz = dc_stream->timing.pix_clk_khz,