[PATCH 03/10] Revert "drm/amd/display: Exit idle optimizations before attempt to access PHY"

[Alex Hung]

From: Brandon Syu <Brandon.Syu at amd.com>

This reverts commit de612738e9771bd66aeb20044486c457c512f684.

Reason to revert: screen flashes or gray screen appeared half of the
screen after resume from S4/S5.

Reviewed-by: Charlene Liu <charlene.liu at amd.com>
Signed-off-by: Brandon Syu <Brandon.Syu at amd.com>
Signed-off-by: Alex Hung <alex.hung at amd.com>
---
 drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c
index 81f4c386c287..e033e6476fe5 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c
@@ -1890,7 +1890,6 @@ void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context)
 	bool can_apply_edp_fast_boot = false;
 	bool can_apply_seamless_boot = false;
 	bool keep_edp_vdd_on = false;
-	struct dc_bios *dcb = dc->ctx->dc_bios;
 	DC_LOGGER_INIT();
 
 
@@ -1967,8 +1966,6 @@ void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context)
 			hws->funcs.edp_backlight_control(edp_link_with_sink, false);
 		}
 		/*resume from S3, no vbios posting, no need to power down again*/
-		if (dcb && dcb->funcs && !dcb->funcs->is_accelerated_mode(dcb))
-			clk_mgr_exit_optimized_pwr_state(dc, dc->clk_mgr);
 
 		power_down_all_hw_blocks(dc);
 
@@ -1981,8 +1978,6 @@ void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context)
 		disable_vga_and_power_gate_all_controllers(dc);
 		if (edp_link_with_sink && !keep_edp_vdd_on)
 			dc->hwss.edp_power_control(edp_link_with_sink, false);
-		if (dcb && dcb->funcs && !dcb->funcs->is_accelerated_mode(dcb))
-			clk_mgr_optimize_pwr_state(dc, dc->clk_mgr);
 	}
 	bios_set_scratch_acc_mode_change(dc->ctx->dc_bios, 1);
 }
-- 
2.43.0