[PATCH v2] drm/amd/display: add per pipe dppclk

Harry Wentland harry.wentland at amd.com
Thu Mar 1 20:04:30 UTC 2018


From: Dmytro Laktyushkin <Dmytro.Laktyushkin at amd.com>

v2: Fix commit title

Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin at amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng at amd.com>
Acked-by: Harry Wentland <harry.wentland at amd.com>
---
 drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c          |  2 +-
 drivers/gpu/drm/amd/display/dc/core/dc_debug.c            | 13 +++++++------
 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c          |  6 ++----
 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c |  9 +++++----
 drivers/gpu/drm/amd/display/dc/inc/core_types.h           | 15 +++++++++++++--
 5 files changed, 28 insertions(+), 17 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
index c9aa686d16b9..e4d8a8dbc5ef 100644
--- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
@@ -996,7 +996,7 @@ bool dcn_validate_bandwidth(
 					dc->debug.min_disp_clk_khz;
 		}
 
-		context->bw.dcn.calc_clk.dppclk_div = (int)(v->dispclk_dppclk_ratio) == 2;
+		context->bw.dcn.calc_clk.max_dppclk_khz = (int)(v->dppclk * 1000);
 
 		for (i = 0, input_idx = 0; i < pool->pipe_count; i++) {
 			struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_debug.c b/drivers/gpu/drm/amd/display/dc/core/dc_debug.c
index 1babac07bcc9..c15565092ca8 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_debug.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_debug.c
@@ -361,21 +361,22 @@ void context_clock_trace(
 	struct dc  *core_dc = dc;
 	struct dal_logger *logger =  core_dc->ctx->logger;
 
-	CLOCK_TRACE("Current: dispclk_khz:%d  dppclk_div:%d  dcfclk_khz:%d\n"
-			"dcfclk_deep_sleep_khz:%d  fclk_khz:%d\n"
+	CLOCK_TRACE("Current: dispclk_khz:%d  max_dppclk_khz:%d  dcfclk_khz:%d\n"
+			"dcfclk_deep_sleep_khz:%d  fclk_khz:%d  socclk_khz:%d\n"
 			"dram_ccm_us:%d  min_active_dram_ccm_us:%d\n",
 			context->bw.dcn.calc_clk.dispclk_khz,
-			context->bw.dcn.calc_clk.dppclk_div,
+			context->bw.dcn.calc_clk.max_dppclk_khz,
 			context->bw.dcn.calc_clk.dcfclk_khz,
 			context->bw.dcn.calc_clk.dcfclk_deep_sleep_khz,
 			context->bw.dcn.calc_clk.fclk_khz,
+			context->bw.dcn.calc_clk.socclk_khz,
 			context->bw.dcn.calc_clk.dram_ccm_us,
 			context->bw.dcn.calc_clk.min_active_dram_ccm_us);
-	CLOCK_TRACE("Calculated: dispclk_khz:%d  dppclk_div:%d  dcfclk_khz:%d\n"
-			"dcfclk_deep_sleep_khz:%d  fclk_khz:%d\n"
+	CLOCK_TRACE("Calculated: dispclk_khz:%d  max_dppclk_khz:%d  dcfclk_khz:%d\n"
+			"dcfclk_deep_sleep_khz:%d  fclk_khz:%d  socclk_khz:%d\n"
 			"dram_ccm_us:%d  min_active_dram_ccm_us:%d\n",
 			context->bw.dcn.calc_clk.dispclk_khz,
-			context->bw.dcn.calc_clk.dppclk_div,
+			context->bw.dcn.calc_clk.max_dppclk_khz,
 			context->bw.dcn.calc_clk.dcfclk_khz,
 			context->bw.dcn.calc_clk.dcfclk_deep_sleep_khz,
 			context->bw.dcn.calc_clk.fclk_khz,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
index 8725cab9ec00..f0b798930b51 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
@@ -432,14 +432,12 @@ void dpp1_dppclk_control(
 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
 
 	if (enable) {
-		if (dpp->tf_mask->DPPCLK_RATE_CONTROL) {
+		if (dpp->tf_mask->DPPCLK_RATE_CONTROL)
 			REG_UPDATE_2(DPP_CONTROL,
 				DPPCLK_RATE_CONTROL, dppclk_div,
 				DPP_CLOCK_ENABLE, 1);
-		} else {
-			ASSERT(dppclk_div == false);
+		else
 			REG_UPDATE(DPP_CONTROL, DPP_CLOCK_ENABLE, 1);
-		}
 	} else
 		REG_UPDATE(DPP_CONTROL, DPP_CLOCK_ENABLE, 0);
 }
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 7a1b2deaf3d7..759e925439ce 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
@@ -1684,12 +1684,13 @@ static void update_dchubp_dpp(
 	if (plane_state->update_flags.bits.full_update) {
 		dpp->funcs->dpp_dppclk_control(
 				dpp,
-				context->bw.dcn.calc_clk.dppclk_div,
+				context->bw.dcn.calc_clk.max_dppclk_khz <
+						context->bw.dcn.calc_clk.dispclk_khz,
 				true);
 
-		dc->current_state->bw.dcn.cur_clk.dppclk_div =
-				context->bw.dcn.calc_clk.dppclk_div;
-		context->bw.dcn.cur_clk.dppclk_div = context->bw.dcn.calc_clk.dppclk_div;
+		dc->current_state->bw.dcn.cur_clk.max_dppclk_khz =
+				context->bw.dcn.calc_clk.max_dppclk_khz;
+		context->bw.dcn.cur_clk.max_dppclk_khz = context->bw.dcn.calc_clk.max_dppclk_khz;
 	}
 
 	/* TODO: Need input parameter to tell current DCHUB pipe tie to which OTG
diff --git a/drivers/gpu/drm/amd/display/dc/inc/core_types.h b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
index 5509e13e7edf..a9b21a4a0c17 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/core_types.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
@@ -177,6 +177,15 @@ struct resource_pool {
 	const struct resource_caps *res_cap;
 };
 
+struct dcn_fe_clocks {
+	int dppclk_khz;
+};
+
+struct dcn_fe_bandwidth {
+	struct dcn_fe_clocks calc;
+	struct dcn_fe_clocks cur;
+};
+
 struct stream_resource {
 	struct output_pixel_processor *opp;
 	struct timing_generator *tg;
@@ -195,6 +204,8 @@ struct plane_resource {
 	struct transform *xfm;
 	struct dpp *dpp;
 	uint8_t mpcc_inst;
+
+	struct dcn_fe_bandwidth bw;
 };
 
 struct pipe_ctx {
@@ -247,9 +258,9 @@ struct dce_bw_output {
 
 struct dcn_bw_clocks {
 	int dispclk_khz;
-	int dppclk_khz;
-	bool dppclk_div;
+	int max_dppclk_khz;
 	int dcfclk_khz;
+	int socclk_khz;
 	int dcfclk_deep_sleep_khz;
 	int fclk_khz;
 	int dram_ccm_us;
-- 
2.14.1



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