Revert "drm/amd/display: enable DPG when disabling plane for phantom pipe"

This reverts commit d47d2f93.

regression detected by the change. Revert until
fix is available.
Signed-off-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/core/dc.c

@@ -74,8 +74,6 @@
 
 #include "dc_trace.h"
 
-#include "hw_sequencer_private.h"
-
 #include "dce/dmub_outbox.h"
 
 #define CTX \
@@ -1059,44 +1057,6 @@ static void apply_ctx_interdependent_lock(struct dc *dc, struct dc_state *contex
 	}
 }
 
-static void phantom_pipe_blank(
-		struct dc *dc,
-		struct timing_generator *tg,
-		int width,
-		int height)
-{
-	struct dce_hwseq *hws = dc->hwseq;
-	enum dc_color_space color_space;
-	struct tg_color black_color = {0};
-	struct output_pixel_processor *opp = NULL;
-	uint32_t num_opps, opp_id_src0, opp_id_src1;
-	uint32_t otg_active_width, otg_active_height;
-
-	/* program opp dpg blank color */
-	color_space = COLOR_SPACE_SRGB;
-	color_space_to_black_color(dc, color_space, &black_color);
-
-	otg_active_width = width;
-	otg_active_height = height;
-
-	/* get the OPTC source */
-	tg->funcs->get_optc_source(tg, &num_opps, &opp_id_src0, &opp_id_src1);
-	ASSERT(opp_id_src0 < dc->res_pool->res_cap->num_opp);
-	opp = dc->res_pool->opps[opp_id_src0];
-
-	opp->funcs->opp_set_disp_pattern_generator(
-			opp,
-			CONTROLLER_DP_TEST_PATTERN_SOLID_COLOR,
-			CONTROLLER_DP_COLOR_SPACE_UDEFINED,
-			COLOR_DEPTH_UNDEFINED,
-			&black_color,
-			otg_active_width,
-			otg_active_height,
-			0);
-
-	hws->funcs.wait_for_blank_complete(opp);
-}
-
 static void disable_dangling_plane(struct dc *dc, struct dc_state *context)
 {
 	int i, j;
@@ -1155,13 +1115,8 @@ static void disable_dangling_plane(struct dc *dc, struct dc_state *context)
 			 * again for different use.
 			 */
 			if (old_stream->mall_stream_config.type == SUBVP_PHANTOM) {
-				if (tg->funcs->enable_crtc) {
-					int main_pipe_width, main_pipe_height;
-					main_pipe_width = old_stream->mall_stream_config.paired_stream->dst.width;
-					main_pipe_height = old_stream->mall_stream_config.paired_stream->dst.height;
-					phantom_pipe_blank(dc, tg, main_pipe_width, main_pipe_height);
+				if (tg->funcs->enable_crtc)
 					tg->funcs->enable_crtc(tg);
-				}
 			}
 			dc_rem_all_planes_for_stream(dc, old_stream, dangling_context);
 			disable_all_writeback_pipes_for_stream(dc, old_stream, dangling_context);