drm/amd/display: update optc odm interface for more than 2 opps

Current optc odm interface only accepts 2 opps, we need to
expand this to allow 4 to 1 odm combine.
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu@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/dcn10/dcn10_optc.c

@@ -287,7 +287,7 @@ void optc1_program_timing(
 
 	h_div_2 = optc1_is_two_pixels_per_containter(&patched_crtc_timing);
 	REG_UPDATE(OTG_H_TIMING_CNTL,
-			OTG_H_TIMING_DIV_BY2, h_div_2 || optc1->comb_opp_id != 0xf);
+			OTG_H_TIMING_DIV_BY2, h_div_2 || optc1->opp_count == 2);
 
 }
 
@@ -1513,7 +1513,6 @@ void dcn10_timing_generator_init(struct optc *optc1)
 	optc1->min_v_blank_interlace = 5;
 	optc1->min_h_sync_width = 8;
 	optc1->min_v_sync_width = 1;
-	optc1->comb_opp_id = 0xf;
 }
 
 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT

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

@@ -494,7 +494,7 @@ struct optc {
 	const struct dcn_optc_shift *tg_shift;
 	const struct dcn_optc_mask *tg_mask;
 
-	int comb_opp_id;
+	int opp_count;
 
 	uint32_t max_h_total;
 	uint32_t max_v_total;

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

@@ -545,12 +545,14 @@ enum dc_status dcn20_enable_stream_timing(
 
 	/* TODO check if timing_changed, disable stream if timing changed */
 
-	if (odm_pipe)
+	if (odm_pipe) {
+		int opp_inst[2] = { pipe_ctx->stream_res.opp->inst, odm_pipe->stream_res.opp->inst };
+
 		pipe_ctx->stream_res.tg->funcs->set_odm_combine(
 				pipe_ctx->stream_res.tg,
-				odm_pipe->stream_res.opp->inst,
-				pipe_ctx->stream->timing.h_addressable/2,
-				pipe_ctx->stream->timing.pixel_encoding);
+				opp_inst, 2,
+				&pipe_ctx->stream->timing);
+	}
 	/* HW program guide assume display already disable
 	 * by unplug sequence. OTG assume stop.
 	 */
@@ -822,13 +824,15 @@ static void dcn20_update_odm(struct dc *dc, struct dc_state *context, struct pip
 {
 	struct pipe_ctx *combine_pipe = dc_res_get_odm_bottom_pipe(pipe_ctx);
 
-	if (combine_pipe)
+	if (combine_pipe) {
+		int opp_inst[2] = { pipe_ctx->stream_res.opp->inst,
+				combine_pipe->stream_res.opp->inst };
+
 		pipe_ctx->stream_res.tg->funcs->set_odm_combine(
 				pipe_ctx->stream_res.tg,
-				combine_pipe->stream_res.opp->inst,
-				pipe_ctx->plane_res.scl_data.h_active,
-				pipe_ctx->stream->timing.pixel_encoding);
-	else
+				opp_inst, 2,
+				&pipe_ctx->stream->timing);
+	} else
 		pipe_ctx->stream_res.tg->funcs->set_odm_bypass(
 				pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing);
 }

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c

@@ -224,7 +224,6 @@ void optc2_set_odm_bypass(struct timing_generator *optc,
 	struct optc *optc1 = DCN10TG_FROM_TG(optc);
 	uint32_t h_div_2 = 0;
 
-	optc1->comb_opp_id = 0xf;
 	REG_SET_3(OPTC_DATA_SOURCE_SELECT, 0,
 			OPTC_NUM_OF_INPUT_SEGMENT, 0,
 			OPTC_SEG0_SRC_SEL, optc->inst,
@@ -236,13 +235,16 @@ void optc2_set_odm_bypass(struct timing_generator *optc,
 			OTG_H_TIMING_DIV_BY2, h_div_2);
 	REG_SET(OPTC_MEMORY_CONFIG, 0,
 			OPTC_MEM_SEL, 0);
+	optc1->opp_count = 1;
 }
 
-void optc2_set_odm_combine(struct timing_generator *optc, int combine_opp_id,
-		int mpcc_hactive, enum dc_pixel_encoding pixel_encoding)
+void optc2_set_odm_combine(struct timing_generator *optc, int *opp_id, int opp_cnt,
+		struct dc_crtc_timing *timing)
 {
 	struct optc *optc1 = DCN10TG_FROM_TG(optc);
 	/* 2 pieces of memory required for up to 5120 displays, 4 for up to 8192 */
+	int mpcc_hactive = (timing->h_addressable + timing->h_border_left + timing->h_border_right)
+			/ opp_cnt;
 	int memory_mask = mpcc_hactive <= 2560 ? 0x3 : 0xf;
 	uint32_t data_fmt = 0;
 
@@ -257,23 +259,24 @@ void optc2_set_odm_combine(struct timing_generator *optc, int combine_opp_id,
 		REG_SET(OPTC_MEMORY_CONFIG, 0,
 			OPTC_MEM_SEL, memory_mask << (optc->inst * 4));
 
-	if (pixel_encoding == PIXEL_ENCODING_YCBCR422)
+	if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR422)
 		data_fmt = 1;
-	else if (pixel_encoding == PIXEL_ENCODING_YCBCR420)
+	else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420)
 		data_fmt = 2;
 
 	REG_UPDATE(OPTC_DATA_FORMAT_CONTROL, OPTC_DATA_FORMAT, data_fmt);
 
+	ASSERT(opp_cnt == 2);
 	REG_SET_3(OPTC_DATA_SOURCE_SELECT, 0,
 			OPTC_NUM_OF_INPUT_SEGMENT, 1,
-			OPTC_SEG0_SRC_SEL, optc->inst,
-			OPTC_SEG1_SRC_SEL, combine_opp_id);
+			OPTC_SEG0_SRC_SEL, opp_id[0],
+			OPTC_SEG1_SRC_SEL, opp_id[1]);
 
 	REG_UPDATE(OPTC_WIDTH_CONTROL,
 			OPTC_SEGMENT_WIDTH, mpcc_hactive);
 
 	REG_SET(OTG_H_TIMING_CNTL, 0, OTG_H_TIMING_DIV_BY2, 1);
-	optc1->comb_opp_id = combine_opp_id;
+	optc1->opp_count = opp_cnt;
 }
 
 void optc2_get_optc_source(struct timing_generator *optc,
@@ -538,6 +541,5 @@ void dcn20_timing_generator_init(struct optc *optc1)
 	optc1->min_v_blank_interlace = 5;
 	optc1->min_h_sync_width = 4;//	Minimum HSYNC = 8 pixels asked By HW in the first place for no actual reason. Oculus Rift S will not light up with 8 as it's hsyncWidth is 6. Changing it to 4 to fix that issue.
 	optc1->min_v_sync_width = 1;
-	optc1->comb_opp_id = 0xf;
 }
 

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.h

@@ -96,8 +96,8 @@ void optc2_set_dsc_config(struct timing_generator *optc,
 void optc2_set_odm_bypass(struct timing_generator *optc,
 		const struct dc_crtc_timing *dc_crtc_timing);
 
-void optc2_set_odm_combine(struct timing_generator *optc, int combine_opp_id,
-		int mpcc_hactive, enum dc_pixel_encoding pixel_encoding);
+void optc2_set_odm_combine(struct timing_generator *optc, int *opp_id, int opp_cnt,
+		struct dc_crtc_timing *timing);
 
 void optc2_get_optc_source(struct timing_generator *optc,
 		uint32_t *num_of_src_opp,

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

@@ -267,9 +267,9 @@ struct timing_generator_funcs {
 			       uint32_t dsc_bytes_per_pixel,
 			       uint32_t dsc_slice_width);
 #endif
-	void (*set_odm_bypass)(struct timing_generator *tg, const struct dc_crtc_timing *dc_crtc_timing);
-	void (*set_odm_combine)(struct timing_generator *tg, int combine_opp_id,
-		int mpcc_hactive, enum dc_pixel_encoding pixel_encoding);
+	void (*set_odm_bypass)(struct timing_generator *optc, const struct dc_crtc_timing *dc_crtc_timing);
+	void (*set_odm_combine)(struct timing_generator *optc, int *opp_id, int opp_cnt,
+			struct dc_crtc_timing *timing);
 	void (*set_gsl)(struct timing_generator *optc, const struct gsl_params *params);
 	void (*set_gsl_source_select)(struct timing_generator *optc,
 			int group_idx,