From: Yongqiang Sun Date: Thu, 23 Mar 2017 10:34:06 -0400 Subject: drm/amd/display: Power on front end during set mode. Git-commit: 18f7a1e4083a5be0ce02df736d3f9a82246dd89b Patch-mainline: v4.15-rc1 References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166 Signed-off-by: Yongqiang Sun Acked-by: Harry Wentland Reviewed-by: Tony Cheng Signed-off-by: Alex Deucher Acked-by: Petr Tesarik --- drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 3 +++ drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h | 5 +++++ 2 files changed, 8 insertions(+) --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -1722,6 +1722,9 @@ enum dc_status dce110_apply_ctx_to_hw( context, dc); + if (dc->hwss.power_on_front_end) + dc->hwss.power_on_front_end(dc, pipe_ctx, context); + if (DC_OK != status) return status; } --- a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h @@ -104,6 +104,11 @@ struct hw_sequencer_funcs { enum pipe_gating_control power_gating); void (*power_down_front_end)(struct core_dc *dc, struct pipe_ctx *pipe); + + void (*power_on_front_end)(struct core_dc *dc, + struct pipe_ctx *pipe, + struct validate_context *context); + void (*update_info_frame)(struct pipe_ctx *pipe_ctx); void (*enable_stream)(struct pipe_ctx *pipe_ctx);