drm/amd/display: update dce8 & 10 bw programming

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

6 files changed, 21 insertions, 41 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/dce100/dce100_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce100/dce100_hw_sequencer.c
index f11044e0245c..dd6f0b1bd8ae 100644
--- a/drivers/gpu/drm/amd/display/dc/dce100/dce100_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce100/dce100_hw_sequencer.c
@@ -28,6 +28,8 @@
 #include "core_types.h"
 #include "hw_sequencer.h"
 #include "dce100_hw_sequencer.h"
+#include "resource.h"
+
 #include "dce110/dce110_hw_sequencer.h"
 
 /* include DCE10 register header files */
@@ -104,7 +106,7 @@ static bool dce100_enable_display_power_gating(
 		return false;
 }
 
-void dce100_pplib_apply_display_requirements(
+static void dce100_pplib_apply_display_requirements(
 	struct core_dc *dc,
 	struct validate_context *context)
 {
@@ -112,6 +114,8 @@ void dce100_pplib_apply_display_requirements(
 
 	pp_display_cfg->avail_mclk_switch_time_us =
 						dce110_get_min_vblank_time_us(context);
+	pp_display_cfg->min_memory_clock_khz = context->bw_results.required_yclk
+		/ MEMORY_TYPE_MULTIPLIER;
 
 	dce110_fill_display_configs(context, pp_display_cfg);
 
@@ -122,20 +126,18 @@ void dce100_pplib_apply_display_requirements(
 	dc->prev_display_config = *pp_display_cfg;
 }
 
-
-
-static void set_displaymarks(
-		const struct core_dc *dc, struct validate_context *context)
-{
-	/* Do nothing until we have proper bandwitdth calcs */
-}
-
-static void set_bandwidth(
+void dce100_set_bandwidth(
 		struct core_dc *dc,
 		struct validate_context *context,
 		bool decrease_allowed)
 {
-	dc->hwss.set_displaymarks(dc, context);
+	if (decrease_allowed || context->dispclk_khz > dc->current_context->dispclk_khz) {
+		context->res_ctx.pool->display_clock->funcs->set_clock(
+				context->res_ctx.pool->display_clock,
+				context->dispclk_khz * 115 / 100);
+		dc->current_context->bw_results.dispclk_khz = context->dispclk_khz;
+		dc->current_context->dispclk_khz = context->dispclk_khz;
+	}
 	dce100_pplib_apply_display_requirements(dc, context);
 }
 
@@ -146,10 +148,8 @@ bool dce100_hw_sequencer_construct(struct core_dc *dc)
 {
 	dce110_hw_sequencer_construct(dc);
 
-	/* TODO: dce80 is empty implementation at the moment*/
 	dc->hwss.enable_display_power_gating = dce100_enable_display_power_gating;
-	dc->hwss.set_displaymarks = set_displaymarks;
-	dc->hwss.set_bandwidth = set_bandwidth;
+	dc->hwss.set_bandwidth = dce100_set_bandwidth;
 
 	return true;
 }
diff --git a/drivers/gpu/drm/amd/display/dc/dce100/dce100_hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/dce100/dce100_hw_sequencer.h
index f51d04a66a49..24433f0e770b 100644
--- a/drivers/gpu/drm/amd/display/dc/dce100/dce100_hw_sequencer.h
+++ b/drivers/gpu/drm/amd/display/dc/dce100/dce100_hw_sequencer.h
@@ -33,9 +33,10 @@ struct validate_context;
 
 bool dce100_hw_sequencer_construct(struct core_dc *dc);
 
-void dce100_pplib_apply_display_requirements(
-	struct core_dc *dc,
-	struct validate_context *context);
+void dce100_set_bandwidth(
+		struct core_dc *dc,
+		struct validate_context *context,
+		bool decrease_allowed);
 
 #endif /* __DC_HWSS_DCE100_H__ */
 
diff --git a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
index 7fae8537e18a..9b365597cec5 100644
--- a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
@@ -771,6 +771,7 @@ bool dce100_validate_bandwidth(
 {
 	/* TODO implement when needed but for now hardcode max value*/
 	context->dispclk_khz = 681000;
+	context->bw_results.required_yclk = 250000 * MEMORY_TYPE_MULTIPLIER;
 
 	return true;
 }
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
index 6bf03d680314..2fbf6ddcf3be 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -2266,7 +2266,7 @@ static void dce110_set_bandwidth(
 		struct validate_context *context,
 		bool decrease_allowed)
 {
-	dc->hwss.set_displaymarks(dc, context);
+	dce110_set_displaymarks(dc, context);
 
 	if (decrease_allowed || context->dispclk_khz > dc->current_context->dispclk_khz) {
 		context->res_ctx.pool->display_clock->funcs->set_clock(
@@ -2468,7 +2468,6 @@ static const struct hw_sequencer_funcs dce110_funcs = {
 	.enable_display_power_gating = dce110_enable_display_power_gating,
 	.power_down_front_end = dce110_power_down_fe,
 	.pipe_control_lock = dce_pipe_control_lock,
-	.set_displaymarks = dce110_set_displaymarks,
 	.set_bandwidth = dce110_set_bandwidth,
 	.set_drr = set_drr,
 	.set_static_screen_control = set_static_screen_control,
diff --git a/drivers/gpu/drm/amd/display/dc/dce80/dce80_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce80/dce80_hw_sequencer.c
index 9d4e7d8b836e..4cba80ff6ca4 100644
--- a/drivers/gpu/drm/amd/display/dc/dce80/dce80_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce80/dce80_hw_sequencer.c
@@ -107,30 +107,13 @@ static bool dce80_enable_display_power_gating(
 		return false;
 }
 
-static void set_displaymarks(
-		const struct core_dc *dc, struct validate_context *context)
-{
-	/* Do nothing until we have proper bandwitdth calcs */
-}
-
-static void set_bandwidth(
-		struct core_dc *dc,
-		struct validate_context *context,
-		bool decrease_allowed)
-{
-	dc->hwss.set_displaymarks(dc, context);
-	dce100_pplib_apply_display_requirements(dc, context);
-}
-
-
 bool dce80_hw_sequencer_construct(struct core_dc *dc)
 {
 	dce110_hw_sequencer_construct(dc);
 
 	dc->hwss.enable_display_power_gating = dce80_enable_display_power_gating;
 	dc->hwss.pipe_control_lock = dce_pipe_control_lock;
-	dc->hwss.set_displaymarks = set_displaymarks;
-	dc->hwss.set_bandwidth = set_bandwidth;
+	dc->hwss.set_bandwidth = dce100_set_bandwidth;
 
 	return true;
 }
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
index 077dc7573c52..9bfaaad09bea 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
@@ -123,10 +123,6 @@ struct hw_sequencer_funcs {
 				struct pipe_ctx *pipe,
 				bool lock);
 
-	void (*set_displaymarks)(
-				const struct core_dc *dc,
-				struct validate_context *context);
-
 	void (*set_bandwidth)(
 			struct core_dc *dc,
 			struct validate_context *context,