drm/amd/display: Add Vline1 interrupt source to InterruptManager

[Why]
Enhanced sync need to use vertical_interrupt1.

[How]
Add vertical_interrupt1 source to irq manger,
Implment setup vline interrupt interface.

Signed-off-by: Fatemeh Darbehani <fatemeh.darbehani@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/core/dc.c

@@ -1463,11 +1463,13 @@ static void commit_planes_do_stream_update(struct dc *dc,
 					stream_update->adjust->v_total_min,
 					stream_update->adjust->v_total_max);
 
-			if (stream_update->periodic_fn_vsync_delta &&
+			if (stream_update->vline0_config && pipe_ctx->stream_res.tg->funcs->program_vline_interrupt)
-					pipe_ctx->stream_res.tg->funcs->program_vline_interrupt)
 				pipe_ctx->stream_res.tg->funcs->program_vline_interrupt(
-					pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing,
+					pipe_ctx->stream_res.tg, VLINE0, stream->vline0_config);
-					pipe_ctx->stream->periodic_fn_vsync_delta);
+
+			if (stream_update->vline1_config && pipe_ctx->stream_res.tg->funcs->program_vline_interrupt)
+				pipe_ctx->stream_res.tg->funcs->program_vline_interrupt(
+					pipe_ctx->stream_res.tg, VLINE1, stream->vline1_config);
 
 			if ((stream_update->hdr_static_metadata && !stream->use_dynamic_meta) ||
 					stream_update->vrr_infopacket ||

drivers/gpu/drm/amd/display/dc/dc_stream.h

@@ -45,6 +45,11 @@ struct freesync_context {
 	bool dummy;
 };
 
+struct vline_config {
+	unsigned int start_line;
+	unsigned int end_line;
+};
+
 struct dc_stream_state {
 	// sink is deprecated, new code should not reference
 	// this pointer
@@ -85,8 +90,6 @@ struct dc_stream_state {
 	uint8_t qs_bit;
 	uint8_t qy_bit;
 
-	unsigned long long periodic_fn_vsync_delta;
-
 	/* TODO: custom INFO packets */
 	/* TODO: ABM info (DMCU) */
 	/* PSR info */
@@ -96,6 +99,9 @@ struct dc_stream_state {
 	/* DMCU info */
 	unsigned int abm_level;
 
+	struct vline_config vline0_config;
+	struct vline_config vline1_config;
+
 	/* from core_stream struct */
 	struct dc_context *ctx;
 
@@ -143,7 +149,9 @@ struct dc_stream_update {
 	struct dc_info_packet *hdr_static_metadata;
 	unsigned int *abm_level;
 
-	unsigned long long *periodic_fn_vsync_delta;
+	struct vline_config *vline0_config;
+	struct vline_config *vline1_config;
+
 	struct dc_crtc_timing_adjust *adjust;
 	struct dc_info_packet *vrr_infopacket;
 	struct dc_info_packet *vsc_infopacket;

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c

@@ -92,68 +92,26 @@ static void optc1_disable_stereo(struct timing_generator *optc)
 		OTG_3D_STRUCTURE_STEREO_SEL_OVR, 0);
 }
 
-static uint32_t get_start_vline(struct timing_generator *optc, const struct dc_crtc_timing *dc_crtc_timing)
-{
-	struct dc_crtc_timing patched_crtc_timing;
-	int vesa_sync_start;
-	int asic_blank_end;
-	int vertical_line_start;
-
-	patched_crtc_timing = *dc_crtc_timing;
-	optc1_apply_front_porch_workaround(optc, &patched_crtc_timing);
-
-	vesa_sync_start = patched_crtc_timing.v_addressable +
-			patched_crtc_timing.v_border_bottom +
-			patched_crtc_timing.v_front_porch;
-
-	asic_blank_end = (patched_crtc_timing.v_total -
-			vesa_sync_start -
-			patched_crtc_timing.v_border_top);
-
-	vertical_line_start = asic_blank_end - optc->dlg_otg_param.vstartup_start + 1;
-	if (vertical_line_start < 0)
-		vertical_line_start = 0;
-
-	return vertical_line_start;
-}
-
 void optc1_program_vline_interrupt(
 		struct timing_generator *optc,
-		const struct dc_crtc_timing *dc_crtc_timing,
+		enum vline_select vline,
-		unsigned long long vsync_delta)
+		struct vline_config vline_config)
 {
-
 	struct optc *optc1 = DCN10TG_FROM_TG(optc);
 
-	unsigned long long req_delta_tens_of_usec = div64_u64((vsync_delta + 9999), 10000);
+	switch (vline) {
-	unsigned long long pix_clk_hundreds_khz = div64_u64((dc_crtc_timing->pix_clk_100hz + 999), 1000);
+	case VLINE0:
-	uint32_t req_delta_lines = (uint32_t) div64_u64(
+		REG_SET_2(OTG_VERTICAL_INTERRUPT0_POSITION, 0,
-			(req_delta_tens_of_usec * pix_clk_hundreds_khz + dc_crtc_timing->h_total - 1),
+				OTG_VERTICAL_INTERRUPT0_LINE_START, vline_config.start_line,
-								dc_crtc_timing->h_total);
+				OTG_VERTICAL_INTERRUPT0_LINE_END, vline_config.end_line);
-
+		break;
-	uint32_t vsync_line = get_start_vline(optc, dc_crtc_timing);
+	case VLINE1:
-	uint32_t start_line = 0;
+		REG_SET(OTG_VERTICAL_INTERRUPT1_POSITION, 0,
-	uint32_t end_line = 0;
+					OTG_VERTICAL_INTERRUPT1_LINE_START, vline_config.start_line);
-
+		break;
-	if (req_delta_lines != 0)
+	default:
-		req_delta_lines--;
+		break;
-
+	}
-	if (req_delta_lines > vsync_line)
-		start_line = dc_crtc_timing->v_total - (req_delta_lines - vsync_line) + 2;
-	else
-		start_line = vsync_line - req_delta_lines;
-
-	end_line = start_line + 2;
-
-	if (start_line >= dc_crtc_timing->v_total)
-		start_line = start_line % dc_crtc_timing->v_total;
-
-	if (end_line >= dc_crtc_timing->v_total)
-		end_line = end_line % dc_crtc_timing->v_total;
-
-	REG_SET_2(OTG_VERTICAL_INTERRUPT0_POSITION, 0,
-			OTG_VERTICAL_INTERRUPT0_LINE_START, start_line,
-			OTG_VERTICAL_INTERRUPT0_LINE_END, end_line);
 }
 
 /**

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h

@@ -67,6 +67,8 @@
 	SRI(OTG_CLOCK_CONTROL, OTG, inst),\
 	SRI(OTG_VERTICAL_INTERRUPT0_CONTROL, OTG, inst),\
 	SRI(OTG_VERTICAL_INTERRUPT0_POSITION, OTG, inst),\
+	SRI(OTG_VERTICAL_INTERRUPT1_CONTROL, OTG, inst),\
+	SRI(OTG_VERTICAL_INTERRUPT1_POSITION, OTG, inst),\
 	SRI(OTG_VERTICAL_INTERRUPT2_CONTROL, OTG, inst),\
 	SRI(OTG_VERTICAL_INTERRUPT2_POSITION, OTG, inst),\
 	SRI(OPTC_INPUT_CLOCK_CONTROL, ODM, inst),\
@@ -135,6 +137,8 @@ struct dcn_optc_registers {
 	uint32_t OTG_CLOCK_CONTROL;
 	uint32_t OTG_VERTICAL_INTERRUPT0_CONTROL;
 	uint32_t OTG_VERTICAL_INTERRUPT0_POSITION;
+	uint32_t OTG_VERTICAL_INTERRUPT1_CONTROL;
+	uint32_t OTG_VERTICAL_INTERRUPT1_POSITION;
 	uint32_t OTG_VERTICAL_INTERRUPT2_CONTROL;
 	uint32_t OTG_VERTICAL_INTERRUPT2_POSITION;
 	uint32_t OPTC_INPUT_CLOCK_CONTROL;
@@ -227,6 +231,8 @@ struct dcn_optc_registers {
 	SF(OTG0_OTG_VERTICAL_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_INT_ENABLE, mask_sh),\
 	SF(OTG0_OTG_VERTICAL_INTERRUPT0_POSITION, OTG_VERTICAL_INTERRUPT0_LINE_START, mask_sh),\
 	SF(OTG0_OTG_VERTICAL_INTERRUPT0_POSITION, OTG_VERTICAL_INTERRUPT0_LINE_END, mask_sh),\
+	SF(OTG0_OTG_VERTICAL_INTERRUPT1_CONTROL, OTG_VERTICAL_INTERRUPT1_INT_ENABLE, mask_sh),\
+	SF(OTG0_OTG_VERTICAL_INTERRUPT1_POSITION, OTG_VERTICAL_INTERRUPT1_LINE_START, mask_sh),\
 	SF(OTG0_OTG_VERTICAL_INTERRUPT2_CONTROL, OTG_VERTICAL_INTERRUPT2_INT_ENABLE, mask_sh),\
 	SF(OTG0_OTG_VERTICAL_INTERRUPT2_POSITION, OTG_VERTICAL_INTERRUPT2_LINE_START, mask_sh),\
 	SF(ODM0_OPTC_INPUT_CLOCK_CONTROL, OPTC_INPUT_CLK_EN, mask_sh),\
@@ -361,6 +367,8 @@ struct dcn_optc_registers {
 	type OTG_VERTICAL_INTERRUPT0_INT_ENABLE;\
 	type OTG_VERTICAL_INTERRUPT0_LINE_START;\
 	type OTG_VERTICAL_INTERRUPT0_LINE_END;\
+	type OTG_VERTICAL_INTERRUPT1_INT_ENABLE;\
+	type OTG_VERTICAL_INTERRUPT1_LINE_START;\
 	type OTG_VERTICAL_INTERRUPT2_INT_ENABLE;\
 	type OTG_VERTICAL_INTERRUPT2_LINE_START;\
 	type OPTC_INPUT_CLK_EN;\
@@ -476,8 +484,8 @@ void optc1_program_timing(
 	bool use_vbios);
 
 void optc1_program_vline_interrupt(struct timing_generator *optc,
-		const struct dc_crtc_timing *dc_crtc_timing,
+		enum vline_select vline,
-		unsigned long long vsync_delta);
+		struct vline_config vline_config);
 
 void optc1_program_global_sync(
 		struct timing_generator *optc);

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

@@ -134,6 +134,15 @@ struct dc_crtc_timing;
 
 struct drr_params;
 
+struct vline_config;
+
+
+enum vline_select {
+	VLINE0,
+	VLINE1,
+	VLINE2
+};
+
 struct timing_generator_funcs {
 	bool (*validate_timing)(struct timing_generator *tg,
 							const struct dc_crtc_timing *timing);
@@ -141,8 +150,8 @@ struct timing_generator_funcs {
 							const struct dc_crtc_timing *timing,
 							bool use_vbios);
 	void (*program_vline_interrupt)(struct timing_generator *optc,
-			const struct dc_crtc_timing *dc_crtc_timing,
+			enum vline_select vline,
-			unsigned long long vsync_delta);
+			struct vline_config vline_config);
 	bool (*enable_crtc)(struct timing_generator *tg);
 	bool (*disable_crtc)(struct timing_generator *tg);
 	bool (*is_counter_moving)(struct timing_generator *tg);

drivers/gpu/drm/amd/display/dc/irq_types.h

@@ -144,6 +144,14 @@ enum dc_irq_source {
 	DC_IRQ_SOURCE_DC5_VLINE0,
 	DC_IRQ_SOURCE_DC6_VLINE0,
 
+	DC_IRQ_SOURCE_DC1_VLINE1,
+	DC_IRQ_SOURCE_DC2_VLINE1,
+	DC_IRQ_SOURCE_DC3_VLINE1,
+	DC_IRQ_SOURCE_DC4_VLINE1,
+	DC_IRQ_SOURCE_DC5_VLINE1,
+	DC_IRQ_SOURCE_DC6_VLINE1,
+
+
 	DAL_IRQ_SOURCES_NUMBER
 };