From: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Date: Fri, 30 Jun 2017 15:19:55 -0400
Subject: drm/amd/display: Set static screen register for stoney/carrizo
Git-commit: c3aa1d67295c8fc87364dfe8920c9e30775fd124
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

-Set CRTC_STATIC_SCREEN_EVENT for stoney/carrizo for FBC implementation
-Code is currently guarded with "ENABLE_FBC" compile time flag

Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Roman Li <Roman.Li@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c |    4 ++++
 1 file changed, 4 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
@@ -1395,6 +1395,10 @@ static void set_static_screen_control(st
 	if (events->cursor_update)
 		value |= 0x2;
 
+#ifdef ENABLE_FBC
+	value |= 0x84;
+#endif
+
 	for (i = 0; i < num_pipes; i++)
 		pipe_ctx[i]->tg->funcs->
 			set_static_screen_control(pipe_ctx[i]->tg, value);