drm/amd/display: Add ODM seamless boot support

Revised validation logic when marking for seamless boot. Init resources
accordingly when Pre-OS has ODM enabled. Reset ODM when transitioning
Pre-OS odm to Post-OS non-odm to avoid corruption. Apply logic to set
odm accordingly upon commit.
Signed-off-by: Duncan Ma <duncan.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -2177,6 +2177,8 @@ static int acquire_resource_from_hw_enabled_state(
 			if (id_src[i] == 0xf)
 				return -1;
 
+			pipe_ctx = &res_ctx->pipe_ctx[id_src[i]];
+
 			pipe_ctx->stream_res.tg = pool->timing_generators[tg_inst];
 			pipe_ctx->plane_res.mi = pool->mis[id_src[i]];
 			pipe_ctx->plane_res.hubp = pool->hubps[id_src[i]];
@@ -2190,13 +2192,17 @@ static int acquire_resource_from_hw_enabled_state(
 
 				if (pool->mpc->funcs->read_mpcc_state) {
 					struct mpcc_state s = {0};
+
 					pool->mpc->funcs->read_mpcc_state(pool->mpc, pipe_ctx->plane_res.mpcc_inst, &s);
+
 					if (s.dpp_id < MAX_MPCC)
 						pool->mpc->mpcc_array[pipe_ctx->plane_res.mpcc_inst].dpp_id =
 								s.dpp_id;
+
 					if (s.bot_mpcc_id < MAX_MPCC)
 						pool->mpc->mpcc_array[pipe_ctx->plane_res.mpcc_inst].mpcc_bot =
 								&pool->mpc->mpcc_array[s.bot_mpcc_id];
+
 					if (s.opp_id < MAX_OPP)
 						pipe_ctx->stream_res.opp->mpc_tree_params.opp_id = s.opp_id;
 				}
@@ -2205,6 +2211,7 @@ static int acquire_resource_from_hw_enabled_state(
 
 			if (id_src[i] >= pool->timing_generator_count) {
 				id_src[i] = pool->timing_generator_count - 1;
+
 				pipe_ctx->stream_res.tg = pool->timing_generators[id_src[i]];
 				pipe_ctx->stream_res.opp = pool->opps[id_src[i]];
 			}

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c

@@ -1375,6 +1375,11 @@ void dcn10_init_pipes(struct dc *dc, struct dc_state *context)
 		pipe_ctx->stream_res.tg = NULL;
 		pipe_ctx->plane_res.hubp = NULL;
 
+		if (tg->funcs->is_tg_enabled(tg)) {
+			if (tg->funcs->init_odm)
+				tg->funcs->init_odm(tg);
+		}
+
 		tg->funcs->tg_init(tg);
 	}
 

drivers/gpu/drm/amd/display/dc/dcn31/dcn31_optc.c

@@ -213,6 +213,26 @@ void optc31_set_drr(
 	}
 }
 
+void optc3_init_odm(struct timing_generator *optc)
+{
+	struct optc *optc1 = DCN10TG_FROM_TG(optc);
+
+	REG_SET_5(OPTC_DATA_SOURCE_SELECT, 0,
+			OPTC_NUM_OF_INPUT_SEGMENT, 0,
+			OPTC_SEG0_SRC_SEL, optc->inst,
+			OPTC_SEG1_SRC_SEL, 0xf,
+			OPTC_SEG2_SRC_SEL, 0xf,
+			OPTC_SEG3_SRC_SEL, 0xf
+			);
+
+	REG_SET(OTG_H_TIMING_CNTL, 0,
+			OTG_H_TIMING_DIV_MODE, 0);
+
+	REG_SET(OPTC_MEMORY_CONFIG, 0,
+			OPTC_MEM_SEL, 0);
+	optc1->opp_count = 1;
+}
+
 static struct timing_generator_funcs dcn31_tg_funcs = {
 		.validate_timing = optc1_validate_timing,
 		.program_timing = optc1_program_timing,
@@ -273,6 +293,7 @@ static struct timing_generator_funcs dcn31_tg_funcs = {
 		.program_manual_trigger = optc2_program_manual_trigger,
 		.setup_manual_trigger = optc2_setup_manual_trigger,
 		.get_hw_timing = optc1_get_hw_timing,
+		.init_odm = optc3_init_odm,
 };
 
 void dcn31_timing_generator_init(struct optc *optc1)

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c

@@ -657,7 +657,7 @@ void dcn32_init_hw(struct dc *dc)
 	 * Otherwise, if taking control is not possible, we need to power
 	 * everything down.
 	 */
-	if (dcb->funcs->is_accelerated_mode(dcb) || dc->config.seamless_boot_edp_requested) {
+	if (dcb->funcs->is_accelerated_mode(dcb) || !dc->config.seamless_boot_edp_requested) {
 		hws->funcs.init_pipes(dc, dc->current_state);
 		if (dc->res_pool->hubbub->funcs->allow_self_refresh_control)
 			dc->res_pool->hubbub->funcs->allow_self_refresh_control(dc->res_pool->hubbub,
@@ -669,7 +669,7 @@ void dcn32_init_hw(struct dc *dc)
 	 * To avoid this, power down hardware on boot
 	 * if DIG is turned on and seamless boot not enabled
 	 */
-	if (dc->config.seamless_boot_edp_requested) {
+	if (!dc->config.seamless_boot_edp_requested) {
 		struct dc_link *edp_links[MAX_NUM_EDP];
 		struct dc_link *edp_link;
 

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

@@ -318,6 +318,8 @@ struct timing_generator_funcs {
 			int vmin, int vmax);
 	bool (*validate_vtotal_change_limit)(struct timing_generator *optc,
 			uint32_t vtotal_change_limit);
+
+	void (*init_odm)(struct timing_generator *tg);
 };
 
 #endif