drm/amd/display: Add P-State Keepout to dcn401 Global Sync

[WHY&HOW]
OTG has new functionality to allow P-State relative to VStartup. Keepout region
for this should be configured based on DML outputs same as other global sync
params.
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Jerry Zuo <jerry.zuo@amd.com>
Signed-off-by: Dillon Varone <dillon.varone@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c

@@ -1955,6 +1955,7 @@ void dce110_tg_program_timing(struct timing_generator *tg,
 	int vstartup_start,
 	int vupdate_offset,
 	int vupdate_width,
+	int pstate_keepout,
 	const enum signal_type signal,
 	bool use_vbios)
 {

drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.h

@@ -261,6 +261,7 @@ void dce110_tg_program_timing(struct timing_generator *tg,
 	int vstartup_start,
 	int vupdate_offset,
 	int vupdate_width,
+	int pstate_keepout,
 	const enum signal_type signal,
 	bool use_vbios);
 

drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator_v.c

@@ -438,6 +438,7 @@ static void dce110_timing_generator_v_program_timing(struct timing_generator *tg
 	int vstartup_start,
 	int vupdate_offset,
 	int vupdate_width,
+	int pstate_keepout,
 	const enum signal_type signal,
 	bool use_vbios)
 {

drivers/gpu/drm/amd/display/dc/dce120/dce120_timing_generator.c

@@ -697,6 +697,7 @@ static void dce120_tg_program_timing(struct timing_generator *tg,
 	int vstartup_start,
 	int vupdate_offset,
 	int vupdate_width,
+	int pstate_keepout,
 	const enum signal_type signal,
 	bool use_vbios)
 {

drivers/gpu/drm/amd/display/dc/dce60/dce60_timing_generator.c

@@ -111,13 +111,14 @@ static void program_timing(struct timing_generator *tg,
 	int vstartup_start,
 	int vupdate_offset,
 	int vupdate_width,
+	int pstate_keepout,
 	const enum signal_type signal,
 	bool use_vbios)
 {
 	if (!use_vbios)
 		program_pix_dur(tg, timing->pix_clk_100hz);
 
-	dce110_tg_program_timing(tg, timing, 0, 0, 0, 0, 0, use_vbios);
+	dce110_tg_program_timing(tg, timing, 0, 0, 0, 0, 0, 0, use_vbios);
 }
 
 static void dce60_timing_generator_enable_advanced_request(

drivers/gpu/drm/amd/display/dc/dce80/dce80_timing_generator.c

@@ -111,13 +111,14 @@ static void program_timing(struct timing_generator *tg,
 	int vstartup_start,
 	int vupdate_offset,
 	int vupdate_width,
+	int pstate_keepout,
 	const enum signal_type signal,
 	bool use_vbios)
 {
 	if (!use_vbios)
 		program_pix_dur(tg, timing->pix_clk_100hz);
 
-	dce110_tg_program_timing(tg, timing, 0, 0, 0, 0, 0, use_vbios);
+	dce110_tg_program_timing(tg, timing, 0, 0, 0, 0, 0, 0, use_vbios);
 }
 
 static void dce80_timing_generator_enable_advanced_request(

drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h

@@ -523,6 +523,7 @@ struct _vcs_dpi_display_pipe_dest_params_st {
 	unsigned int vupdate_offset;
 	unsigned int vupdate_width;
 	unsigned int vready_offset;
+	unsigned int pstate_keepout;
 	unsigned char interlaced;
 	double pixel_rate_mhz;
 	unsigned char synchronized_vblank_all_planes;

drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_translation_helper.c

@@ -1129,6 +1129,7 @@ void dml21_populate_pipe_ctx_dlg_params(struct dml2_context *dml_ctx, struct dc_
 	pipe_ctx->pipe_dlg_param.vupdate_offset = global_sync->dcn4.vupdate_offset_pixels;
 	pipe_ctx->pipe_dlg_param.vupdate_width = global_sync->dcn4.vupdate_vupdate_width_pixels;
 	pipe_ctx->pipe_dlg_param.vready_offset = global_sync->dcn4.vready_offset_pixels;
+	pipe_ctx->pipe_dlg_param.pstate_keepout = global_sync->dcn4.pstate_keepout_start_lines;
 
 	pipe_ctx->pipe_dlg_param.otg_inst = pipe_ctx->stream_res.tg->inst;
 

drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c

@@ -1549,6 +1549,7 @@ static enum dc_status dce110_enable_stream_timing(
 				0,
 				0,
 				0,
+				0,
 				pipe_ctx->stream->signal,
 				true);
 	}

drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c

@@ -1005,6 +1005,7 @@ enum dc_status dcn10_enable_stream_timing(
 			pipe_ctx->pipe_dlg_param.vstartup_start,
 			pipe_ctx->pipe_dlg_param.vupdate_offset,
 			pipe_ctx->pipe_dlg_param.vupdate_width,
+			pipe_ctx->pipe_dlg_param.pstate_keepout,
 			pipe_ctx->stream->signal,
 			true);
 
@@ -2995,7 +2996,8 @@ void dcn10_program_pipe(
 				calculate_vready_offset_for_group(pipe_ctx),
 				pipe_ctx->pipe_dlg_param.vstartup_start,
 				pipe_ctx->pipe_dlg_param.vupdate_offset,
-				pipe_ctx->pipe_dlg_param.vupdate_width);
+				pipe_ctx->pipe_dlg_param.vupdate_width,
+				pipe_ctx->pipe_dlg_param.pstate_keepout);
 
 		pipe_ctx->stream_res.tg->funcs->set_vtg_params(
 				pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing, true);

drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c

@@ -909,6 +909,7 @@ enum dc_status dcn20_enable_stream_timing(
 			pipe_ctx->pipe_dlg_param.vstartup_start,
 			pipe_ctx->pipe_dlg_param.vupdate_offset,
 			pipe_ctx->pipe_dlg_param.vupdate_width,
+			pipe_ctx->pipe_dlg_param.pstate_keepout,
 			pipe_ctx->stream->signal,
 			true);
 
@@ -1885,7 +1886,8 @@ static void dcn20_program_pipe(
 				calculate_vready_offset_for_group(pipe_ctx),
 				pipe_ctx->pipe_dlg_param.vstartup_start,
 				pipe_ctx->pipe_dlg_param.vupdate_offset,
-				pipe_ctx->pipe_dlg_param.vupdate_width);
+				pipe_ctx->pipe_dlg_param.vupdate_width,
+				pipe_ctx->pipe_dlg_param.pstate_keepout);
 
 		if (dc_state_get_pipe_subvp_type(context, pipe_ctx) != SUBVP_PHANTOM)
 			pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VACTIVE);
@@ -2458,7 +2460,8 @@ bool dcn20_update_bandwidth(
 					calculate_vready_offset_for_group(pipe_ctx),
 					pipe_ctx->pipe_dlg_param.vstartup_start,
 					pipe_ctx->pipe_dlg_param.vupdate_offset,
-					pipe_ctx->pipe_dlg_param.vupdate_width);
+					pipe_ctx->pipe_dlg_param.vupdate_width,
+					pipe_ctx->pipe_dlg_param.pstate_keepout);
 
 			pipe_ctx->stream_res.tg->funcs->set_vtg_params(
 					pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing, false);

drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c

@@ -871,6 +871,7 @@ enum dc_status dcn401_enable_stream_timing(
 			pipe_ctx->pipe_dlg_param.vstartup_start,
 			pipe_ctx->pipe_dlg_param.vupdate_offset,
 			pipe_ctx->pipe_dlg_param.vupdate_width,
+			pipe_ctx->pipe_dlg_param.pstate_keepout,
 			pipe_ctx->stream->signal,
 			true);
 

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

@@ -65,6 +65,7 @@ struct optc {
 	int vupdate_offset;
 	int vupdate_width;
 	int vready_offset;
+	int pstate_keepout;
 	struct dc_crtc_timing orginal_patched_timing;
 	enum signal_type signal;
 };
@@ -110,6 +111,7 @@ void optc1_program_timing(struct timing_generator *optc,
 			  int vstartup_start,
 			  int vupdate_offset,
 			  int vupdate_width,
+			  int pstate_keepout,
 			  const enum signal_type signal,
 			  bool use_vbios);
 
@@ -127,7 +129,8 @@ void optc1_program_global_sync(struct timing_generator *optc,
 			       int vready_offset,
 			       int vstartup_start,
 			       int vupdate_offset,
-			       int vupdate_width);
+			       int vupdate_width,
+				   int pstate_keepout);
 
 bool optc1_disable_crtc(struct timing_generator *optc);
 

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

@@ -172,6 +172,7 @@ struct timing_generator_funcs {
 							int vstartup_start,
 							int vupdate_offset,
 							int vupdate_width,
+							int pstate_keepout,
 							const enum signal_type signal,
 							bool use_vbios
 	);
@@ -256,7 +257,8 @@ struct timing_generator_funcs {
 			int vready_offset,
 			int vstartup_start,
 			int vupdate_offset,
-			int vupdate_width);
+			int vupdate_width,
+			int pstate_keepout);
 	void (*enable_optc_clock)(struct timing_generator *tg, bool enable);
 	void (*program_stereo)(struct timing_generator *tg,
 		const struct dc_crtc_timing *timing, struct crtc_stereo_flags *flags);

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

@@ -65,7 +65,8 @@ void optc1_program_global_sync(
 		int vready_offset,
 		int vstartup_start,
 		int vupdate_offset,
-		int vupdate_width)
+		int vupdate_width,
+		int pstate_keepout)
 {
 	struct optc *optc1 = DCN10TG_FROM_TG(optc);
 
@@ -73,6 +74,7 @@ void optc1_program_global_sync(
 	optc1->vstartup_start = vstartup_start;
 	optc1->vupdate_offset = vupdate_offset;
 	optc1->vupdate_width = vupdate_width;
+	optc1->pstate_keepout = pstate_keepout;
 
 	if (optc1->vstartup_start == 0) {
 		BREAK_TO_DEBUGGER();
@@ -157,6 +159,7 @@ void optc1_program_timing(
 	int vstartup_start,
 	int vupdate_offset,
 	int vupdate_width,
+	int pstate_keepout,
 	const enum signal_type signal,
 	bool use_vbios)
 {
@@ -177,6 +180,7 @@ void optc1_program_timing(
 	optc1->vstartup_start = vstartup_start;
 	optc1->vupdate_offset = vupdate_offset;
 	optc1->vupdate_width = vupdate_width;
+	optc1->pstate_keepout = pstate_keepout;
 	patched_crtc_timing = *dc_crtc_timing;
 	apply_front_porch_workaround(&patched_crtc_timing);
 	optc1->orginal_patched_timing = patched_crtc_timing;
@@ -282,7 +286,8 @@ void optc1_program_timing(
 			vready_offset,
 			vstartup_start,
 			vupdate_offset,
-			vupdate_width);
+			vupdate_width,
+			pstate_keepout);
 
 	optc->funcs->set_vtg_params(optc, dc_crtc_timing, true);
 

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

@@ -201,6 +201,7 @@ struct dcn_optc_registers {
 	uint32_t OTG_CRC1_WINDOWB_Y_CONTROL_READBACK;
 	uint32_t OPTC_CLOCK_CONTROL;
 	uint32_t OPTC_WIDTH_CONTROL2;
+	uint32_t OTG_PSTATE_REGISTER;
 };
 
 #define TG_COMMON_MASK_SH_LIST_DCN(mask_sh)\
@@ -590,7 +591,11 @@ struct dcn_optc_registers {
 	type OTG_V_COUNT_STOP_TIMER;
 
 #define TG_REG_FIELD_LIST_DCN401(type) \
-	type OPTC_SEGMENT_WIDTH_LAST;
+	type OPTC_SEGMENT_WIDTH_LAST;\
+	type OTG_PSTATE_KEEPOUT_START;\
+	type OTG_PSTATE_EXTEND;\
+	type OTG_UNBLANK;\
+	type OTG_PSTATE_ALLOW_WIDTH_MIN;
 
 
 struct dcn_optc_shift {

drivers/gpu/drm/amd/display/dc/optc/dcn401/dcn401_optc.c

@@ -396,13 +396,47 @@ void optc401_set_vtotal_min_max(struct timing_generator *optc, int vtotal_min, i
 	}
 }
 
+static void optc401_program_global_sync(
+		struct timing_generator *optc,
+		int vready_offset,
+		int vstartup_start,
+		int vupdate_offset,
+		int vupdate_width,
+		int pstate_keepout)
+{
+	struct optc *optc1 = DCN10TG_FROM_TG(optc);
+
+	optc1->vready_offset = vready_offset;
+	optc1->vstartup_start = vstartup_start;
+	optc1->vupdate_offset = vupdate_offset;
+	optc1->vupdate_width = vupdate_width;
+	optc1->pstate_keepout = pstate_keepout;
+
+	if (optc1->vstartup_start == 0) {
+		BREAK_TO_DEBUGGER();
+		return;
+	}
+
+	REG_SET(OTG_VSTARTUP_PARAM, 0,
+		VSTARTUP_START, optc1->vstartup_start);
+
+	REG_SET_2(OTG_VUPDATE_PARAM, 0,
+			VUPDATE_OFFSET, optc1->vupdate_offset,
+			VUPDATE_WIDTH, optc1->vupdate_width);
+
+	REG_SET(OTG_VREADY_PARAM, 0,
+			VREADY_OFFSET, optc1->vready_offset);
+
+	REG_UPDATE(OTG_PSTATE_REGISTER, OTG_PSTATE_KEEPOUT_START, pstate_keepout);
+}
+
 static struct timing_generator_funcs dcn401_tg_funcs = {
 		.validate_timing = optc1_validate_timing,
 		.program_timing = optc1_program_timing,
 		.setup_vertical_interrupt0 = optc1_setup_vertical_interrupt0,
 		.setup_vertical_interrupt1 = optc1_setup_vertical_interrupt1,
 		.setup_vertical_interrupt2 = optc1_setup_vertical_interrupt2,
-		.program_global_sync = optc1_program_global_sync,
+		.program_global_sync = optc401_program_global_sync,
 		.enable_crtc = optc401_enable_crtc,
 		.disable_crtc = optc401_disable_crtc,
 		.phantom_crtc_post_enable = optc401_phantom_crtc_post_enable,

drivers/gpu/drm/amd/display/dc/optc/dcn401/dcn401_optc.h

@@ -155,7 +155,11 @@
 	SF(OTG0_OTG_H_TIMING_CNTL, OTG_H_TIMING_DIV_MODE, mask_sh),\
 	SF(OTG0_OTG_H_TIMING_CNTL, OTG_H_TIMING_DIV_MODE_MANUAL, mask_sh),\
 	SF(OTG0_OTG_DOUBLE_BUFFER_CONTROL, OTG_DRR_TIMING_DBUF_UPDATE_MODE, mask_sh),\
-	SF(OTG0_OTG_DRR_CONTROL, OTG_V_TOTAL_LAST_USED_BY_DRR, mask_sh)
+	SF(OTG0_OTG_DRR_CONTROL, OTG_V_TOTAL_LAST_USED_BY_DRR, mask_sh),\
+	SF(OTG0_OTG_PSTATE_REGISTER, OTG_PSTATE_KEEPOUT_START, mask_sh),\
+	SF(OTG0_OTG_PSTATE_REGISTER, OTG_PSTATE_EXTEND, mask_sh),\
+	SF(OTG0_OTG_PSTATE_REGISTER, OTG_UNBLANK, mask_sh),\
+	SF(OTG0_OTG_PSTATE_REGISTER, OTG_PSTATE_ALLOW_WIDTH_MIN, mask_sh)
 
 void dcn401_timing_generator_init(struct optc *optc1);
 

drivers/gpu/drm/amd/display/dc/resource/dce110/dce110_resource.c

@@ -1163,6 +1163,7 @@ static struct pipe_ctx *dce110_acquire_underlay(
 				0,
 				0,
 				0,
+				0,
 				pipe_ctx->stream->signal,
 				false);
 

drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.h

@@ -534,7 +534,8 @@ void dcn401_prepare_mcache_programming(struct dc *dc, struct dc_state *context);
 	SRI_ARR(OPTC_WIDTH_CONTROL, ODM, inst),                                  \
 	SRI_ARR(OPTC_WIDTH_CONTROL2, ODM, inst),                                 \
 	SRI_ARR(OPTC_MEMORY_CONFIG, ODM, inst),                                  \
-	SRI_ARR(OTG_DRR_CONTROL, OTG, inst)
+	SRI_ARR(OTG_DRR_CONTROL, OTG, inst),										 \
+	SRI_ARR(OTG_PSTATE_REGISTER, OTG, inst)
 
 /* HUBBUB */
 #define HUBBUB_REG_LIST_DCN4_01_RI(id)                                       \