drm/amd/display: Toggle additional RCO options in DCN35

[Why]
With root clock optimization now enabled for DCN35 there
are still RCO registers still not being toggled

[How]
Add in logic to toggle RCO registers for DPPCLK,
DPSTREAMCLK and DSCCLK

Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Roman Li <roman.li@amd.com>
Signed-off-by: Daniel Miess <daniel.miess@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

4 files changed, 35 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c
index 629a702bb3fa..9499295f4582 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c
@@ -495,6 +495,17 @@ void dcn35_dpp_root_clock_control(struct dce_hwseq *hws, unsigned int dpp_inst,
 	}
 }
 
+void dcn35_dpstream_root_clock_control(struct dce_hwseq *hws, unsigned int dp_hpo_inst, bool clock_on)
+{
+	if (!hws->ctx->dc->debug.root_clock_optimization.bits.dpstream)
+		return;
+
+	if (hws->ctx->dc->res_pool->dccg->funcs->set_dpstreamclk_root_clock_gating) {
+		hws->ctx->dc->res_pool->dccg->funcs->set_dpstreamclk_root_clock_gating(
+			hws->ctx->dc->res_pool->dccg, dp_hpo_inst, clock_on);
+	}
+}
+
 void dcn35_dsc_pg_control(
 		struct dce_hwseq *hws,
 		unsigned int dsc_inst,
@@ -1002,6 +1013,9 @@ void dcn35_calc_blocks_to_gate(struct dc *dc, struct dc_state *context,
 
 		if (pipe_ctx->stream_res.opp)
 			update_state->pg_pipe_res_update[PG_OPP][pipe_ctx->stream_res.opp->inst] = false;
+
+		if (pipe_ctx->stream_res.hpo_dp_stream_enc)
+			update_state->pg_pipe_res_update[PG_DPSTREAM][pipe_ctx->stream_res.hpo_dp_stream_enc->inst] = false;
 	}
 	/*domain24 controls all the otg, mpc, opp, as long as one otg is still up, avoid enabling OTG PG*/
 	for (i = 0; i < dc->res_pool->timing_generator_count; i++) {
@@ -1059,6 +1073,9 @@ void dcn35_calc_blocks_to_ungate(struct dc *dc, struct dc_state *context,
 
 				if (j == PG_OPTC && new_pipe->stream_res.tg)
 					update_state->pg_pipe_res_update[j][new_pipe->stream_res.tg->inst] = true;
+
+				if (j == PG_DPSTREAM && new_pipe->stream_res.hpo_dp_stream_enc)
+					update_state->pg_pipe_res_update[j][new_pipe->stream_res.hpo_dp_stream_enc->inst] = true;
 			}
 		} else if (cur_pipe->plane_state == new_pipe->plane_state ||
 				cur_pipe == new_pipe) {
@@ -1088,6 +1105,11 @@ void dcn35_calc_blocks_to_ungate(struct dc *dc, struct dc_state *context,
 					cur_pipe->stream_res.tg != new_pipe->stream_res.tg &&
 					new_pipe->stream_res.tg)
 					update_state->pg_pipe_res_update[j][new_pipe->stream_res.tg->inst] = true;
+
+				if (j == PG_DPSTREAM &&
+					cur_pipe->stream_res.hpo_dp_stream_enc != new_pipe->stream_res.hpo_dp_stream_enc &&
+					new_pipe->stream_res.hpo_dp_stream_enc)
+					update_state->pg_pipe_res_update[j][new_pipe->stream_res.hpo_dp_stream_enc->inst] = true;
 			}
 		}
 	}
@@ -1234,6 +1256,9 @@ void dcn35_root_clock_control(struct dc *dc,
 				if (dc->hwseq->funcs.dpp_root_clock_control)
 					dc->hwseq->funcs.dpp_root_clock_control(dc->hwseq, i, power_on);
 			}
+			if (update_state->pg_pipe_res_update[PG_DPSTREAM][i])
+				if (dc->hwseq->funcs.dpstream_root_clock_control)
+					dc->hwseq->funcs.dpstream_root_clock_control(dc->hwseq, i, power_on);
 		}
 	for (i = 0; i < dc->res_pool->res_cap->num_dsc; i++) {
 		if (update_state->pg_pipe_res_update[PG_DSC][i]) {
@@ -1254,6 +1279,9 @@ void dcn35_root_clock_control(struct dc *dc,
 				if (dc->hwseq->funcs.dpp_root_clock_control)
 					dc->hwseq->funcs.dpp_root_clock_control(dc->hwseq, i, power_on);
 			}
+			if (update_state->pg_pipe_res_update[PG_DPSTREAM][i])
+				if (dc->hwseq->funcs.dpstream_root_clock_control)
+					dc->hwseq->funcs.dpstream_root_clock_control(dc->hwseq, i, power_on);
 		}
 }
 
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.h b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.h
index 68f714143431..a731c8880d60 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.h
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.h
@@ -37,6 +37,8 @@ void dcn35_dsc_pg_control(struct dce_hwseq *hws, unsigned int dsc_inst, bool pow
 
 void dcn35_dpp_root_clock_control(struct dce_hwseq *hws, unsigned int dpp_inst, bool clock_on);
 
+void dcn35_dpstream_root_clock_control(struct dce_hwseq *hws, unsigned int dp_hpo_inst, bool clock_on);
+
 void dcn35_enable_power_gating_plane(struct dce_hwseq *hws, bool enable);
 
 void dcn35_set_dmu_fgcg(struct dce_hwseq *hws, bool enable);
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_init.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_init.c
index 19b861349954..df3bf77f3fb4 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_init.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_init.c
@@ -147,6 +147,7 @@ static const struct hwseq_private_funcs dcn35_private_funcs = {
 	//.hubp_pg_control = dcn35_hubp_pg_control,
 	.enable_power_gating_plane = dcn35_enable_power_gating_plane,
 	.dpp_root_clock_control = dcn35_dpp_root_clock_control,
+	.dpstream_root_clock_control = dcn35_dpstream_root_clock_control,
 	.program_all_writeback_pipes_in_tree = dcn30_program_all_writeback_pipes_in_tree,
 	.update_odm = dcn35_update_odm,
 	.set_hdr_multiplier = dcn10_set_hdr_multiplier,
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/hw_sequencer_private.h b/drivers/gpu/drm/amd/display/dc/hwss/hw_sequencer_private.h
index 554cfab5ab24..341219cf4144 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/hw_sequencer_private.h
+++ b/drivers/gpu/drm/amd/display/dc/hwss/hw_sequencer_private.h
@@ -120,6 +120,10 @@ struct hwseq_private_funcs {
 			struct dce_hwseq *hws,
 			unsigned int dpp_inst,
 			bool clock_on);
+	void (*dpstream_root_clock_control)(
+			struct dce_hwseq *hws,
+			unsigned int dpp_inst,
+			bool clock_on);
 	void (*dpp_pg_control)(struct dce_hwseq *hws,
 			unsigned int dpp_inst,
 			bool power_on);