drm/amd/display: fix mpo blanking out on one of planes being set not visible

Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dce/dce_mem_input.c

@@ -403,8 +403,7 @@ void dce_mem_input_program_surface_config(struct mem_input *mi,
 	union plane_size *plane_size,
 	enum dc_rotation_angle rotation,
 	struct dc_plane_dcc_param *dcc,
-	bool horizontal_mirror,
-	bool visible)
+	bool horizontal_mirror)
 {
 	REG_UPDATE(GRPH_ENABLE, GRPH_ENABLE, 1);
 

drivers/gpu/drm/amd/display/dc/dce/dce_mem_input.h

@@ -277,8 +277,7 @@ void dce_mem_input_program_surface_config(struct mem_input *mi,
 	union plane_size *plane_size,
 	enum dc_rotation_angle rotation,
 	struct dc_plane_dcc_param *dcc,
-	bool horizontal_mirror,
-	bool visible);
+	bool horizontal_mirror);
 
 void dce_mem_input_allocate_dmif(struct mem_input *mi,
 	uint32_t h_total,

drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c

@@ -1986,8 +1986,9 @@ static void set_plane_config(
 			&surface->public.plane_size,
 			surface->public.rotation,
 			NULL,
-			false,
-			pipe_ctx->surface->public.visible);
+			false);
+	if (mi->funcs->set_blank)
+		mi->funcs->set_blank(mi, pipe_ctx->surface->public.visible);
 
 	if (dc->public.config.gpu_vm_support)
 		mi->funcs->mem_input_program_pte_vm(
@@ -2432,8 +2433,9 @@ static void dce110_program_front_end_for_pipe(
 			&surface->public.plane_size,
 			surface->public.rotation,
 			NULL,
-			false,
-			pipe_ctx->surface->public.visible);
+			false);
+	if (mi->funcs->set_blank)
+		mi->funcs->set_blank(mi, pipe_ctx->surface->public.visible);
 
 	if (dc->public.config.gpu_vm_support)
 		mi->funcs->mem_input_program_pte_vm(

drivers/gpu/drm/amd/display/dc/dce110/dce110_mem_input_v.c

@@ -664,8 +664,7 @@ void dce110_mem_input_v_program_surface_config(
 	union plane_size *plane_size,
 	enum dc_rotation_angle rotation,
 	struct dc_plane_dcc_param *dcc,
-	bool horizotal_mirror,
-	bool visible)
+	bool horizotal_mirror)
 {
 	struct dce110_mem_input *mem_input110 = TO_DCE110_MEM_INPUT(mem_input);
 

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c

@@ -848,7 +848,7 @@ static void reset_front_end_for_pipe(
 
 	unlock_master_tg_and_wait(dc->ctx, pipe_ctx->tg->inst);
 
-	pipe_ctx->mi->funcs->disable_request(pipe_ctx->mi);
+	pipe_ctx->mi->funcs->set_blank(pipe_ctx->mi, true);
 
 	wait_no_outstanding_request(dc->ctx, pipe_ctx->pipe_idx);
 
@@ -1513,6 +1513,35 @@ static void program_gamut_remap(struct pipe_ctx *pipe_ctx)
 	pipe_ctx->xfm->funcs->transform_set_gamut_remap(pipe_ctx->xfm, &adjust);
 }
 
+static bool is_lower_pipe_tree_visible(struct pipe_ctx *pipe_ctx)
+{
+	if (pipe_ctx->surface->public.visible)
+		return true;
+	if (pipe_ctx->bottom_pipe && is_lower_pipe_tree_visible(pipe_ctx->bottom_pipe))
+		return true;
+	return false;
+}
+
+static bool is_upper_pipe_tree_visible(struct pipe_ctx *pipe_ctx)
+{
+	if (pipe_ctx->surface->public.visible)
+		return true;
+	if (pipe_ctx->top_pipe && is_upper_pipe_tree_visible(pipe_ctx->top_pipe))
+		return true;
+	return false;
+}
+
+static bool is_pipe_tree_visible(struct pipe_ctx *pipe_ctx)
+{
+	if (pipe_ctx->surface->public.visible)
+		return true;
+	if (pipe_ctx->top_pipe && is_upper_pipe_tree_visible(pipe_ctx->top_pipe))
+		return true;
+	if (pipe_ctx->bottom_pipe && is_lower_pipe_tree_visible(pipe_ctx->bottom_pipe))
+		return true;
+	return false;
+}
+
 static void update_dchubp_dpp(
 	struct core_dc *dc,
 	struct pipe_ctx *pipe_ctx,
@@ -1633,12 +1662,9 @@ static void update_dchubp_dpp(
 		&size,
 		surface->public.rotation,
 		&surface->public.dcc,
-		surface->public.horizontal_mirror,
-		surface->public.visible);
-
-	/* Only support one plane for now. */
-	pipe_ctx->tg->funcs->set_blank(pipe_ctx->tg, !surface->public.visible);
+		surface->public.horizontal_mirror);
 
+	mi->funcs->set_blank(mi, !is_pipe_tree_visible(pipe_ctx));
 }
 
 static void program_all_pipe_in_tree(
@@ -1669,10 +1695,13 @@ static void program_all_pipe_in_tree(
 
 		pipe_ctx->tg->funcs->program_global_sync(
 				pipe_ctx->tg);
+		pipe_ctx->tg->funcs->set_blank(pipe_ctx->tg, !is_pipe_tree_visible(pipe_ctx));
 
 
 
 		update_dchubp_dpp(dc, pipe_ctx, context);
+
+		/* Only support one plane for now. */
 	}
 
 	if (pipe_ctx->bottom_pipe != NULL)

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mem_input.c

@@ -38,8 +38,9 @@
 #define FN(reg_name, field_name) \
 	mi->mi_shift->field_name, mi->mi_mask->field_name
 
-static void set_blank(struct dcn10_mem_input *mi, bool blank)
+static void dcn_mi_set_blank(struct mem_input *mem_input, bool blank)
 {
+	struct dcn10_mem_input *mi = TO_DCN10_MEM_INPUT(mem_input);
 	uint32_t blank_en = blank ? 1 : 0;
 
 	REG_UPDATE_2(DCHUBP_CNTL,
@@ -47,15 +48,6 @@ static void set_blank(struct dcn10_mem_input *mi, bool blank)
 			HUBP_TTU_DISABLE, blank_en);
 }
 
-
-static void disable_request(struct mem_input *mem_input)
-{
-	struct dcn10_mem_input *mi = TO_DCN10_MEM_INPUT(mem_input);
-
-	/* To disable the requestors, set blank_en to 1 */
-	set_blank(mi, true);
-}
-
 static void vready_workaround(struct mem_input *mem_input,
 		struct _vcs_dpi_display_pipe_dest_params_st *pipe_dest)
 {
@@ -402,8 +394,7 @@ static void mem_input_program_surface_config(
 	union plane_size *plane_size,
 	enum dc_rotation_angle rotation,
 	struct dc_plane_dcc_param *dcc,
-	bool horizontal_mirror,
-	bool visible)
+	bool horizontal_mirror)
 {
 	struct dcn10_mem_input *mi = TO_DCN10_MEM_INPUT(mem_input);
 
@@ -412,8 +403,6 @@ static void mem_input_program_surface_config(
 	program_size_and_rotation(
 		mi, rotation, format, plane_size, dcc, horizontal_mirror);
 	program_pixel_format(mi, format);
-
-	set_blank(mi, !visible);
 }
 
 static void program_requestor(
@@ -573,7 +562,6 @@ static void mem_input_setup(
 	/* otg is locked when this func is called. Register are double buffered.
 	 * disable the requestors is not needed
 	 */
-	/* disable_request(mem_input); */
 	program_requestor(mem_input, rq_regs);
 	program_deadline(mem_input, dlg_attr, ttu_attr);
 	vready_workaround(mem_input, pipe_dest);
@@ -1065,7 +1053,6 @@ static struct mem_input_funcs dcn10_mem_input_funcs = {
 	.mem_input_program_display_marks = mem_input_program_display_marks,
 	.allocate_mem_input = NULL,
 	.free_mem_input = NULL,
-	.disable_request = disable_request,
 	.mem_input_program_surface_flip_and_addr =
 			mem_input_program_surface_flip_and_addr,
 	.mem_input_program_surface_config =
@@ -1075,6 +1062,7 @@ static struct mem_input_funcs dcn10_mem_input_funcs = {
 	.program_watermarks = program_watermarks,
 	.mem_input_update_dchub = mem_input_update_dchub,
 	.mem_input_program_pte_vm = dcn_mem_input_program_pte_vm,
+	.set_blank = dcn_mi_set_blank,
 };
 
 

drivers/gpu/drm/amd/display/dc/inc/hw/mem_input.h

@@ -94,9 +94,6 @@ struct mem_input_funcs {
 			struct _vcs_dpi_display_ttu_regs_st *ttu_regs,
 			struct _vcs_dpi_display_rq_regs_st *rq_regs,
 			struct _vcs_dpi_display_pipe_dest_params_st *pipe_dest);
-
-	void (*disable_request)(struct mem_input *mem_input);
-
 #endif
 
 	void (*mem_input_program_display_marks)(
@@ -142,13 +139,14 @@ struct mem_input_funcs {
 		union plane_size *plane_size,
 		enum dc_rotation_angle rotation,
 		struct dc_plane_dcc_param *dcc,
-		bool horizontal_mirror,
-		bool visible);
+		bool horizontal_mirror);
 
 	bool (*mem_input_is_flip_pending)(struct mem_input *mem_input);
 
 	void (*mem_input_update_dchub)(struct mem_input *mem_input,
 			struct dchub_init_data *dh_data);
+
+	void (*set_blank)(struct mem_input *mi, bool blank);
 };
 
 #endif