4 files changed, 60 insertions, 8 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index 8b0f6b8a5627..999190aa8a08 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -121,20 +121,19 @@ void dcn10_log_hw_state(struct dc *dc)
 
 	dcn10_log_hubbub_state(dc);
 
-	DTN_INFO("HUBP:\t format \t addr_hi \t width \t height \t "
-			"rotation \t mirror \t  sw_mode \t "
-			"dcc_en \t blank_en \t ttu_dis \t underflow \t "
-			"min_ttu_vblank \t qos_low_wm \t qos_high_wm \n");
-
+	DTN_INFO("HUBP:  format  addr_hi  width  height  "
+			"rotation  mirror  sw_mode  "
+			"dcc_en  blank_en  ttu_dis  underflow  "
+			"min_ttu_vblank  qos_low_wm  qos_high_wm\n");
 	for (i = 0; i < pool->pipe_count; i++) {
 		struct hubp *hubp = pool->hubps[i];
 		struct dcn_hubp_state s;
 
 		hubp1_read_state(TO_DCN10_HUBP(hubp), &s);
 
-		DTN_INFO("[%d]:\t %xh \t %xh \t %d \t %d \t "
-				"%xh \t %xh \t %xh \t "
-				"%d \t %d \t %d \t %xh \t",
+		DTN_INFO("[%-2d]:  %5xh  %6xh  %5d  %6d  "
+				"%7xh  %5xh  %6xh  "
+				"%6d  %8d  %7d  %8xh \t",
 				hubp->inst,
 				s.pixel_format,
 				s.inuse_addr_hi,
@@ -153,6 +152,22 @@ void dcn10_log_hw_state(struct dc *dc)
 		DTN_INFO("\n");
 	}
 	DTN_INFO("\n");
+	for (i = 0; i < pool->pipe_count; i++) {
+		struct output_pixel_processor *opp = pool->opps[i];
+		struct mpcc *mpcc = opp->mpc_tree_params.opp_list;
+		struct mpcc_state s = {0};
+
+		while (mpcc) {
+			ASSERT(opp->mpc_tree_params.opp_id == opp->inst);
+			pool->mpc->funcs->read_mpcc_state(pool->mpc, mpcc->mpcc_id, &s);
+			DTN_INFO("[OPP%d - MPCC%d]: DPP%d MPCCBOT%x MODE:%d ALPHA_MODE:%d PREMULT:%d OVERLAP_ONLY:%d\n",
+				s.opp_id, mpcc->mpcc_id, s.dpp_id, s.bot_mpcc_id,
+				s.mode, s.alpha_mode, s.pre_multiplied_alpha, s.overlap_only);
+			mpcc = mpcc->mpcc_bot;
+			ASSERT(!mpcc || mpcc->mpcc_id == s.bot_mpcc_id);
+		}
+	}
+	DTN_INFO("\n");
 
 	DTN_INFO("OTG:\t v_bs \t v_be \t v_ss \t v_se \t vpol \t vmax \t vmin \t "
 			"h_bs \t h_be \t h_ss \t h_se \t hpol \t htot \t vtot \t underflow\n");
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c
index 179890b1a8c4..29e15a93a7d0 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c
@@ -409,7 +409,24 @@ void mpc1_init_mpcc_list_from_hw(
 	}
 }
 
+void mpc1_read_mpcc_state(
+		struct mpc *mpc,
+		int mpcc_inst,
+		struct mpcc_state *s)
+{
+	struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
+
+	REG_GET(MPCC_OPP_ID[mpcc_inst], MPCC_OPP_ID, &s->opp_id);
+	REG_GET(MPCC_TOP_SEL[mpcc_inst], MPCC_TOP_SEL, &s->dpp_id);
+	REG_GET(MPCC_BOT_SEL[mpcc_inst], MPCC_BOT_SEL, &s->bot_mpcc_id);
+	REG_GET_4(MPCC_CONTROL[mpcc_inst], MPCC_MODE, &s->mode,
+			MPCC_ALPHA_BLND_MODE, &s->alpha_mode,
+			MPCC_ALPHA_MULTIPLIED_MODE, &s->pre_multiplied_alpha,
+			MPCC_BLND_ACTIVE_OVERLAP_ONLY, &s->pre_multiplied_alpha);
+}
+
 const struct mpc_funcs dcn10_mpc_funcs = {
+	.read_mpcc_state = mpc1_read_mpcc_state,
 	.insert_plane = mpc1_insert_plane,
 	.remove_mpcc = mpc1_remove_mpcc,
 	.mpc_init = mpc1_mpc_init,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.h
index 267a2995ef6e..d3d16c4cbea3 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.h
@@ -183,4 +183,9 @@ struct mpcc *mpc1_get_mpcc_for_dpp(
 	struct mpc_tree *tree,
 	int dpp_id);
 
+void mpc1_read_mpcc_state(
+		struct mpc *mpc,
+		int mpcc_inst,
+		struct mpcc_state *s);
+
 #endif
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h b/drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h
index 23a8d5e53a89..5caacab216b5 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h
@@ -105,7 +105,22 @@ struct mpc {
 	struct mpcc mpcc_array[MAX_MPCC];
 };
 
+struct mpcc_state {
+	uint32_t opp_id;
+	uint32_t dpp_id;
+	uint32_t bot_mpcc_id;
+	uint32_t mode;
+	uint32_t alpha_mode;
+	uint32_t pre_multiplied_alpha;
+	uint32_t overlap_only;
+};
+
 struct mpc_funcs {
+	void (*read_mpcc_state)(
+			struct mpc *mpc,
+			int mpcc_inst,
+			struct mpcc_state *s);
+
 	/*
 	 * Insert DPP into MPC tree based on specified blending position.
 	 * Only used for planes that are part of blending chain for OPP output