From d1ddae59efd5e3fdfb03f1e181d560317ade073f Mon Sep 17 00:00:00 2001 From: Roman Li Date: Tue, 23 Jan 2018 11:12:27 -0500 Subject: [PATCH 3504/4131] drm/amd/display: fix boot-up on vega10 Fixing null-deref on Vega10 due to regression after 'fix cursor related Pstate hang' change. Added null checks in setting cursor position. Signed-off-by: Roman Li Reviewed-by: Eric Yang Reviewed-by: Harry Wentland Signed-off-by: Alex Deucher --- .../drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index d7a21a2..364b88a 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -2928,22 +2928,27 @@ void dce110_set_cursor_position(struct pipe_ctx *pipe_ctx) if (pipe_ctx->top_pipe && pipe_ctx->plane_state != pipe_ctx->top_pipe->plane_state) pos_cpy.enable = false; - ipp->funcs->ipp_cursor_set_position(ipp, &pos_cpy, ¶m); - mi->funcs->set_cursor_position(mi, &pos_cpy, ¶m); + if (ipp->funcs->ipp_cursor_set_position) + ipp->funcs->ipp_cursor_set_position(ipp, &pos_cpy, ¶m); + if (mi->funcs->set_cursor_position) + mi->funcs->set_cursor_position(mi, &pos_cpy, ¶m); } void dce110_set_cursor_attribute(struct pipe_ctx *pipe_ctx) { struct dc_cursor_attributes *attributes = &pipe_ctx->stream->cursor_attributes; - pipe_ctx->plane_res.ipp->funcs->ipp_cursor_set_attributes( + if (pipe_ctx->plane_res.ipp->funcs->ipp_cursor_set_attributes) + pipe_ctx->plane_res.ipp->funcs->ipp_cursor_set_attributes( pipe_ctx->plane_res.ipp, attributes); - pipe_ctx->plane_res.mi->funcs->set_cursor_attributes( - pipe_ctx->plane_res.mi, attributes); + if (pipe_ctx->plane_res.mi->funcs->set_cursor_attributes) + pipe_ctx->plane_res.mi->funcs->set_cursor_attributes( + pipe_ctx->plane_res.mi, attributes); - pipe_ctx->plane_res.xfm->funcs->set_cursor_attributes( - pipe_ctx->plane_res.xfm, attributes); + if (pipe_ctx->plane_res.xfm->funcs->set_cursor_attributes) + pipe_ctx->plane_res.xfm->funcs->set_cursor_attributes( + pipe_ctx->plane_res.xfm, attributes); } static void ready_shared_resources(struct dc *dc, struct dc_state *context) {} -- 2.7.4