drm/amd/display: Code change for DML isolation

[why]
DML itself is SW only, putting the logic as part of resource makes it
hw dependent and thus impossible to compile separately from dc.
Separate compilation is critical for unit testing as well as bbox tool
development

[how]
create new dml wrapper.
Copy logic from the validation functions into dml wrapper as base
implementation. Dml wrapper has internal/static implementations
for all helpers, and does not reference other functions.
It may reference dc structures/types for convenience.

This change now has all the changes for DML isolation squashed into
one.
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Jun Lei <jun.lei@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/dml/display_mode_lib.h

@@ -73,6 +73,7 @@ struct display_mode_lib {
 	struct vba_vars_st vba;
 	struct dal_logger *logger;
 	struct dml_funcs funcs;
+	struct _vcs_dpi_display_e2e_pipe_params_st dml_pipe_state[6];
 };
 
 void dml_init_instance(struct display_mode_lib *lib,

drivers/gpu/drm/amd/display/dc/dml/dml_wrapper.c

+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dml_wrapper.h"
+#include "resource.h"
+#include "core_types.h"
+#include "dsc.h"
+#include "clk_mgr.h"
+
+#ifndef DC_LOGGER_INIT
+#define DC_LOGGER_INIT
+#undef DC_LOG_WARNING
+#define DC_LOG_WARNING
+#endif
+
+#define DML_WRAPPER_TRANSLATION_
+#include "dml_wrapper_translation.c"
+#undef DML_WRAPPER_TRANSLATION_
+
+static bool is_dual_plane(enum surface_pixel_format format)
+{
+	return format >= SURFACE_PIXEL_FORMAT_VIDEO_BEGIN || format == SURFACE_PIXEL_FORMAT_GRPH_RGBE_ALPHA;
+}
+
+static void build_clamping_params(struct dc_stream_state *stream)
+{
+	stream->clamping.clamping_level = CLAMPING_FULL_RANGE;
+	stream->clamping.c_depth = stream->timing.display_color_depth;
+	stream->clamping.pixel_encoding = stream->timing.pixel_encoding;
+}
+
+static void get_pixel_clock_parameters(
+	const struct pipe_ctx *pipe_ctx,
+	struct pixel_clk_params *pixel_clk_params)
+{
+	const struct dc_stream_state *stream = pipe_ctx->stream;
+
+	/*TODO: is this halved for YCbCr 420? in that case we might want to move
+	 * the pixel clock normalization for hdmi up to here instead of doing it
+	 * in pll_adjust_pix_clk
+	 */
+	pixel_clk_params->requested_pix_clk_100hz = stream->timing.pix_clk_100hz;
+	pixel_clk_params->encoder_object_id = stream->link->link_enc->id;
+	pixel_clk_params->signal_type = pipe_ctx->stream->signal;
+	pixel_clk_params->controller_id = pipe_ctx->stream_res.tg->inst + 1;
+	/* TODO: un-hardcode*/
+	pixel_clk_params->requested_sym_clk = LINK_RATE_LOW *
+						LINK_RATE_REF_FREQ_IN_KHZ;
+	pixel_clk_params->flags.ENABLE_SS = 0;
+	pixel_clk_params->color_depth =
+		stream->timing.display_color_depth;
+	pixel_clk_params->flags.DISPLAY_BLANKED = 1;
+	pixel_clk_params->flags.SUPPORT_YCBCR420 = (stream->timing.pixel_encoding ==
+			PIXEL_ENCODING_YCBCR420);
+	pixel_clk_params->pixel_encoding = stream->timing.pixel_encoding;
+	if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR422) {
+		pixel_clk_params->color_depth = COLOR_DEPTH_888;
+	}
+	if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420) {
+		pixel_clk_params->requested_pix_clk_100hz  = pixel_clk_params->requested_pix_clk_100hz / 2;
+	}
+	if (stream->timing.timing_3d_format == TIMING_3D_FORMAT_HW_FRAME_PACKING)
+		pixel_clk_params->requested_pix_clk_100hz *= 2;
+
+}
+
+static enum dc_status build_pipe_hw_param(struct pipe_ctx *pipe_ctx)
+{
+	get_pixel_clock_parameters(pipe_ctx, &pipe_ctx->stream_res.pix_clk_params);
+
+	if (pipe_ctx->clock_source)
+		pipe_ctx->clock_source->funcs->get_pix_clk_dividers(
+			pipe_ctx->clock_source,
+			&pipe_ctx->stream_res.pix_clk_params,
+			&pipe_ctx->pll_settings);
+
+	pipe_ctx->stream->clamping.pixel_encoding = pipe_ctx->stream->timing.pixel_encoding;
+
+	resource_build_bit_depth_reduction_params(pipe_ctx->stream,
+					&pipe_ctx->stream->bit_depth_params);
+	build_clamping_params(pipe_ctx->stream);
+
+	return DC_OK;
+}
+
+static void resource_build_bit_depth_reduction_params(struct dc_stream_state *stream,
+		struct bit_depth_reduction_params *fmt_bit_depth)
+{
+	enum dc_dither_option option = stream->dither_option;
+	enum dc_pixel_encoding pixel_encoding =
+			stream->timing.pixel_encoding;
+
+	memset(fmt_bit_depth, 0, sizeof(*fmt_bit_depth));
+
+	if (option == DITHER_OPTION_DEFAULT) {
+		switch (stream->timing.display_color_depth) {
+		case COLOR_DEPTH_666:
+			option = DITHER_OPTION_SPATIAL6;
+			break;
+		case COLOR_DEPTH_888:
+			option = DITHER_OPTION_SPATIAL8;
+			break;
+		case COLOR_DEPTH_101010:
+			option = DITHER_OPTION_SPATIAL10;
+			break;
+		default:
+			option = DITHER_OPTION_DISABLE;
+		}
+	}
+
+	if (option == DITHER_OPTION_DISABLE)
+		return;
+
+	if (option == DITHER_OPTION_TRUN6) {
+		fmt_bit_depth->flags.TRUNCATE_ENABLED = 1;
+		fmt_bit_depth->flags.TRUNCATE_DEPTH = 0;
+	} else if (option == DITHER_OPTION_TRUN8 ||
+			option == DITHER_OPTION_TRUN8_SPATIAL6 ||
+			option == DITHER_OPTION_TRUN8_FM6) {
+		fmt_bit_depth->flags.TRUNCATE_ENABLED = 1;
+		fmt_bit_depth->flags.TRUNCATE_DEPTH = 1;
+	} else if (option == DITHER_OPTION_TRUN10        ||
+			option == DITHER_OPTION_TRUN10_SPATIAL6   ||
+			option == DITHER_OPTION_TRUN10_SPATIAL8   ||
+			option == DITHER_OPTION_TRUN10_FM8     ||
+			option == DITHER_OPTION_TRUN10_FM6     ||
+			option == DITHER_OPTION_TRUN10_SPATIAL8_FM6) {
+		fmt_bit_depth->flags.TRUNCATE_ENABLED = 1;
+		fmt_bit_depth->flags.TRUNCATE_DEPTH = 2;
+	}
+
+	/* special case - Formatter can only reduce by 4 bits at most.
+	 * When reducing from 12 to 6 bits,
+	 * HW recommends we use trunc with round mode
+	 * (if we did nothing, trunc to 10 bits would be used)
+	 * note that any 12->10 bit reduction is ignored prior to DCE8,
+	 * as the input was 10 bits.
+	 */
+	if (option == DITHER_OPTION_SPATIAL6_FRAME_RANDOM ||
+			option == DITHER_OPTION_SPATIAL6 ||
+			option == DITHER_OPTION_FM6) {
+		fmt_bit_depth->flags.TRUNCATE_ENABLED = 1;
+		fmt_bit_depth->flags.TRUNCATE_DEPTH = 2;
+		fmt_bit_depth->flags.TRUNCATE_MODE = 1;
+	}
+
+	/* spatial dither
+	 * note that spatial modes 1-3 are never used
+	 */
+	if (option == DITHER_OPTION_SPATIAL6_FRAME_RANDOM            ||
+			option == DITHER_OPTION_SPATIAL6 ||
+			option == DITHER_OPTION_TRUN10_SPATIAL6      ||
+			option == DITHER_OPTION_TRUN8_SPATIAL6) {
+		fmt_bit_depth->flags.SPATIAL_DITHER_ENABLED = 1;
+		fmt_bit_depth->flags.SPATIAL_DITHER_DEPTH = 0;
+		fmt_bit_depth->flags.HIGHPASS_RANDOM = 1;
+		fmt_bit_depth->flags.RGB_RANDOM =
+				(pixel_encoding == PIXEL_ENCODING_RGB) ? 1 : 0;
+	} else if (option == DITHER_OPTION_SPATIAL8_FRAME_RANDOM            ||
+			option == DITHER_OPTION_SPATIAL8 ||
+			option == DITHER_OPTION_SPATIAL8_FM6        ||
+			option == DITHER_OPTION_TRUN10_SPATIAL8      ||
+			option == DITHER_OPTION_TRUN10_SPATIAL8_FM6) {
+		fmt_bit_depth->flags.SPATIAL_DITHER_ENABLED = 1;
+		fmt_bit_depth->flags.SPATIAL_DITHER_DEPTH = 1;
+		fmt_bit_depth->flags.HIGHPASS_RANDOM = 1;
+		fmt_bit_depth->flags.RGB_RANDOM =
+				(pixel_encoding == PIXEL_ENCODING_RGB) ? 1 : 0;
+	} else if (option == DITHER_OPTION_SPATIAL10_FRAME_RANDOM ||
+			option == DITHER_OPTION_SPATIAL10 ||
+			option == DITHER_OPTION_SPATIAL10_FM8 ||
+			option == DITHER_OPTION_SPATIAL10_FM6) {
+		fmt_bit_depth->flags.SPATIAL_DITHER_ENABLED = 1;
+		fmt_bit_depth->flags.SPATIAL_DITHER_DEPTH = 2;
+		fmt_bit_depth->flags.HIGHPASS_RANDOM = 1;
+		fmt_bit_depth->flags.RGB_RANDOM =
+				(pixel_encoding == PIXEL_ENCODING_RGB) ? 1 : 0;
+	}
+
+	if (option == DITHER_OPTION_SPATIAL6 ||
+			option == DITHER_OPTION_SPATIAL8 ||
+			option == DITHER_OPTION_SPATIAL10) {
+		fmt_bit_depth->flags.FRAME_RANDOM = 0;
+	} else {
+		fmt_bit_depth->flags.FRAME_RANDOM = 1;
+	}
+
+	//////////////////////
+	//// temporal dither
+	//////////////////////
+	if (option == DITHER_OPTION_FM6           ||
+			option == DITHER_OPTION_SPATIAL8_FM6     ||
+			option == DITHER_OPTION_SPATIAL10_FM6     ||
+			option == DITHER_OPTION_TRUN10_FM6     ||
+			option == DITHER_OPTION_TRUN8_FM6      ||
+			option == DITHER_OPTION_TRUN10_SPATIAL8_FM6) {
+		fmt_bit_depth->flags.FRAME_MODULATION_ENABLED = 1;
+		fmt_bit_depth->flags.FRAME_MODULATION_DEPTH = 0;
+	} else if (option == DITHER_OPTION_FM8        ||
+			option == DITHER_OPTION_SPATIAL10_FM8  ||
+			option == DITHER_OPTION_TRUN10_FM8) {
+		fmt_bit_depth->flags.FRAME_MODULATION_ENABLED = 1;
+		fmt_bit_depth->flags.FRAME_MODULATION_DEPTH = 1;
+	} else if (option == DITHER_OPTION_FM10) {
+		fmt_bit_depth->flags.FRAME_MODULATION_ENABLED = 1;
+		fmt_bit_depth->flags.FRAME_MODULATION_DEPTH = 2;
+	}
+
+	fmt_bit_depth->pixel_encoding = pixel_encoding;
+}
+
+bool dml_validate_dsc(struct dc *dc, struct dc_state *new_ctx)
+{
+	int i;
+
+	/* Validate DSC config, dsc count validation is already done */
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
+		struct pipe_ctx *pipe_ctx = &new_ctx->res_ctx.pipe_ctx[i];
+		struct dc_stream_state *stream = pipe_ctx->stream;
+		struct dsc_config dsc_cfg;
+		struct pipe_ctx *odm_pipe;
+		int opp_cnt = 1;
+
+		for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
+			opp_cnt++;
+
+		/* Only need to validate top pipe */
+		if (pipe_ctx->top_pipe || pipe_ctx->prev_odm_pipe || !stream || !stream->timing.flags.DSC)
+			continue;
+
+		dsc_cfg.pic_width = (stream->timing.h_addressable + stream->timing.h_border_left
+				+ stream->timing.h_border_right) / opp_cnt;
+		dsc_cfg.pic_height = stream->timing.v_addressable + stream->timing.v_border_top
+				+ stream->timing.v_border_bottom;
+		dsc_cfg.pixel_encoding = stream->timing.pixel_encoding;
+		dsc_cfg.color_depth = stream->timing.display_color_depth;
+		dsc_cfg.is_odm = pipe_ctx->next_odm_pipe ? true : false;
+		dsc_cfg.dc_dsc_cfg = stream->timing.dsc_cfg;
+		dsc_cfg.dc_dsc_cfg.num_slices_h /= opp_cnt;
+
+		if (pipe_ctx->stream_res.dsc && !pipe_ctx->stream_res.dsc->funcs->dsc_validate_stream(pipe_ctx->stream_res.dsc, &dsc_cfg))
+			return false;
+	}
+	return true;
+}
+
+enum dc_status dml_build_mapped_resource(const struct dc *dc, struct dc_state *context, struct dc_stream_state *stream)
+{
+	enum dc_status status = DC_OK;
+	struct pipe_ctx *pipe_ctx = resource_get_head_pipe_for_stream(&context->res_ctx, stream);
+
+	if (!pipe_ctx)
+		return DC_ERROR_UNEXPECTED;
+
+
+	status = build_pipe_hw_param(pipe_ctx);
+
+	return status;
+}
+
+void dml_acquire_dsc(const struct dc *dc,
+			struct resource_context *res_ctx,
+			struct display_stream_compressor **dsc,
+			int pipe_idx)
+{
+	int i;
+	const struct resource_pool *pool = dc->res_pool;
+	struct display_stream_compressor *dsc_old = dc->current_state->res_ctx.pipe_ctx[pipe_idx].stream_res.dsc;
+
+	ASSERT(*dsc == NULL); /* If this ASSERT fails, dsc was not released properly */
+	*dsc = NULL;
+
+	/* Always do 1-to-1 mapping when number of DSCs is same as number of pipes */
+	if (pool->res_cap->num_dsc == pool->res_cap->num_opp) {
+		*dsc = pool->dscs[pipe_idx];
+		res_ctx->is_dsc_acquired[pipe_idx] = true;
+		return;
+	}
+
+	/* Return old DSC to avoid the need for redo it */
+	if (dsc_old && !res_ctx->is_dsc_acquired[dsc_old->inst]) {
+		*dsc = dsc_old;
+		res_ctx->is_dsc_acquired[dsc_old->inst] = true;
+		return ;
+	}
+
+	/* Find first free DSC */
+	for (i = 0; i < pool->res_cap->num_dsc; i++)
+		if (!res_ctx->is_dsc_acquired[i]) {
+			*dsc = pool->dscs[i];
+			res_ctx->is_dsc_acquired[i] = true;
+			break;
+		}
+}
+
+static bool dml_split_stream_for_mpc_or_odm(
+		const struct dc *dc,
+		struct resource_context *res_ctx,
+		struct pipe_ctx *pri_pipe,
+		struct pipe_ctx *sec_pipe,
+		bool odm)
+{
+	int pipe_idx = sec_pipe->pipe_idx;
+	const struct resource_pool *pool = dc->res_pool;
+
+	*sec_pipe = *pri_pipe;
+
+	sec_pipe->pipe_idx = pipe_idx;
+	sec_pipe->plane_res.mi = pool->mis[pipe_idx];
+	sec_pipe->plane_res.hubp = pool->hubps[pipe_idx];
+	sec_pipe->plane_res.ipp = pool->ipps[pipe_idx];
+	sec_pipe->plane_res.xfm = pool->transforms[pipe_idx];
+	sec_pipe->plane_res.dpp = pool->dpps[pipe_idx];
+	sec_pipe->plane_res.mpcc_inst = pool->dpps[pipe_idx]->inst;
+	sec_pipe->stream_res.dsc = NULL;
+	if (odm) {
+		if (pri_pipe->next_odm_pipe) {
+			ASSERT(pri_pipe->next_odm_pipe != sec_pipe);
+			sec_pipe->next_odm_pipe = pri_pipe->next_odm_pipe;
+			sec_pipe->next_odm_pipe->prev_odm_pipe = sec_pipe;
+		}
+		if (pri_pipe->top_pipe && pri_pipe->top_pipe->next_odm_pipe) {
+			pri_pipe->top_pipe->next_odm_pipe->bottom_pipe = sec_pipe;
+			sec_pipe->top_pipe = pri_pipe->top_pipe->next_odm_pipe;
+		}
+		if (pri_pipe->bottom_pipe && pri_pipe->bottom_pipe->next_odm_pipe) {
+			pri_pipe->bottom_pipe->next_odm_pipe->top_pipe = sec_pipe;
+			sec_pipe->bottom_pipe = pri_pipe->bottom_pipe->next_odm_pipe;
+		}
+		pri_pipe->next_odm_pipe = sec_pipe;
+		sec_pipe->prev_odm_pipe = pri_pipe;
+		ASSERT(sec_pipe->top_pipe == NULL);
+
+		if (!sec_pipe->top_pipe)
+			sec_pipe->stream_res.opp = pool->opps[pipe_idx];
+		else
+			sec_pipe->stream_res.opp = sec_pipe->top_pipe->stream_res.opp;
+		if (sec_pipe->stream->timing.flags.DSC == 1) {
+			dml_acquire_dsc(dc, res_ctx, &sec_pipe->stream_res.dsc, pipe_idx);
+			ASSERT(sec_pipe->stream_res.dsc);
+			if (sec_pipe->stream_res.dsc == NULL)
+				return false;
+		}
+	} else {
+		if (pri_pipe->bottom_pipe) {
+			ASSERT(pri_pipe->bottom_pipe != sec_pipe);
+			sec_pipe->bottom_pipe = pri_pipe->bottom_pipe;
+			sec_pipe->bottom_pipe->top_pipe = sec_pipe;
+		}
+		pri_pipe->bottom_pipe = sec_pipe;
+		sec_pipe->top_pipe = pri_pipe;
+
+		ASSERT(pri_pipe->plane_state);
+	}
+
+	return true;
+}
+
+static struct pipe_ctx *dml_find_split_pipe(
+		struct dc *dc,
+		struct dc_state *context,
+		int old_index)
+{
+	struct pipe_ctx *pipe = NULL;
+	int i;
+
+	if (old_index >= 0 && context->res_ctx.pipe_ctx[old_index].stream == NULL) {
+		pipe = &context->res_ctx.pipe_ctx[old_index];
+		pipe->pipe_idx = old_index;
+	}
+
+	if (!pipe)
+		for (i = dc->res_pool->pipe_count - 1; i >= 0; i--) {
+			if (dc->current_state->res_ctx.pipe_ctx[i].top_pipe == NULL
+					&& dc->current_state->res_ctx.pipe_ctx[i].prev_odm_pipe == NULL) {
+				if (context->res_ctx.pipe_ctx[i].stream == NULL) {
+					pipe = &context->res_ctx.pipe_ctx[i];
+					pipe->pipe_idx = i;
+					break;
+				}
+			}
+		}
+
+	/*
+	 * May need to fix pipes getting tossed from 1 opp to another on flip
+	 * Add for debugging transient underflow during topology updates:
+	 * ASSERT(pipe);
+	 */
+	if (!pipe)
+		for (i = dc->res_pool->pipe_count - 1; i >= 0; i--) {
+			if (context->res_ctx.pipe_ctx[i].stream == NULL) {
+				pipe = &context->res_ctx.pipe_ctx[i];
+				pipe->pipe_idx = i;
+				break;
+			}
+		}
+
+	return pipe;
+}
+
+static void dml_release_dsc(struct resource_context *res_ctx,
+			const struct resource_pool *pool,
+			struct display_stream_compressor **dsc)
+{
+	int i;
+
+	for (i = 0; i < pool->res_cap->num_dsc; i++)
+		if (pool->dscs[i] == *dsc) {
+			res_ctx->is_dsc_acquired[i] = false;
+			*dsc = NULL;
+			break;
+		}
+}
+
+static int dml_get_num_mpc_splits(struct pipe_ctx *pipe)
+{
+	int mpc_split_count = 0;
+	struct pipe_ctx *other_pipe = pipe->bottom_pipe;
+
+	while (other_pipe && other_pipe->plane_state == pipe->plane_state) {
+		mpc_split_count++;
+		other_pipe = other_pipe->bottom_pipe;
+	}
+	other_pipe = pipe->top_pipe;
+	while (other_pipe && other_pipe->plane_state == pipe->plane_state) {
+		mpc_split_count++;
+		other_pipe = other_pipe->top_pipe;
+	}
+
+	return mpc_split_count;
+}
+
+static bool dml_enough_pipes_for_subvp(struct dc *dc,
+		struct dc_state *context)
+{
+	int i = 0;
+	int num_pipes = 0;
+
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
+		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
+
+		if (pipe->stream && pipe->plane_state)
+			num_pipes++;
+	}
+
+	// Sub-VP only possible if the number of "real" pipes is
+	// less than or equal to half the number of available pipes
+	if (num_pipes * 2 > dc->res_pool->pipe_count)
+		return false;
+
+	return true;
+}
+
+static int dml_validate_apply_pipe_split_flags(
+		struct dc *dc,
+		struct dc_state *context,
+		int vlevel,
+		int *split,
+		bool *merge)
+{
+	int i, pipe_idx, vlevel_split;
+	int plane_count = 0;
+	bool force_split = false;
+	bool avoid_split = dc->debug.pipe_split_policy == MPC_SPLIT_AVOID;
+	struct vba_vars_st *v = &context->bw_ctx.dml.vba;
+	int max_mpc_comb = v->maxMpcComb;
+
+	if (context->stream_count > 1) {
+		if (dc->debug.pipe_split_policy == MPC_SPLIT_AVOID_MULT_DISP)
+			avoid_split = true;
+	} else if (dc->debug.force_single_disp_pipe_split)
+			force_split = true;
+
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
+		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
+
+		/**
+		 * Workaround for avoiding pipe-split in cases where we'd split
+		 * planes that are too small, resulting in splits that aren't
+		 * valid for the scaler.
+		 */
+		if (pipe->plane_state &&
+		    (pipe->plane_state->dst_rect.width <= 16 ||
+		     pipe->plane_state->dst_rect.height <= 16 ||
+		     pipe->plane_state->src_rect.width <= 16 ||
+		     pipe->plane_state->src_rect.height <= 16))
+			avoid_split = true;
+
+		/* TODO: fix dc bugs and remove this split threshold thing */
+		if (pipe->stream && !pipe->prev_odm_pipe &&
+				(!pipe->top_pipe || pipe->top_pipe->plane_state != pipe->plane_state))
+			++plane_count;
+	}
+	if (plane_count > dc->res_pool->pipe_count / 2)
+		avoid_split = true;
+
+	/* W/A: Mode timing with borders may not work well with pipe split, avoid for this corner case */
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
+		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
+		struct dc_crtc_timing timing;
+
+		if (!pipe->stream)
+			continue;
+		else {
+			timing = pipe->stream->timing;
+			if (timing.h_border_left + timing.h_border_right
+					+ timing.v_border_top + timing.v_border_bottom > 0) {
+				avoid_split = true;
+				break;
+			}
+		}
+	}
+
+	/* Avoid split loop looks for lowest voltage level that allows most unsplit pipes possible */
+	if (avoid_split) {
+		for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
+			if (!context->res_ctx.pipe_ctx[i].stream)
+				continue;
+
+			for (vlevel_split = vlevel; vlevel <= context->bw_ctx.dml.soc.num_states; vlevel++)
+				if (v->NoOfDPP[vlevel][0][pipe_idx] == 1 &&
+						v->ModeSupport[vlevel][0])
+					break;
+			/* Impossible to not split this pipe */
+			if (vlevel > context->bw_ctx.dml.soc.num_states)
+				vlevel = vlevel_split;
+			else
+				max_mpc_comb = 0;
+			pipe_idx++;
+		}
+		v->maxMpcComb = max_mpc_comb;
+	}
+
+	/* Split loop sets which pipe should be split based on dml outputs and dc flags */
+	for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
+		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
+		int pipe_plane = v->pipe_plane[pipe_idx];
+		bool split4mpc = context->stream_count == 1 && plane_count == 1
+				&& dc->config.enable_4to1MPC && dc->res_pool->pipe_count >= 4;
+
+		if (!context->res_ctx.pipe_ctx[i].stream)
+			continue;
+
+		if (split4mpc || v->NoOfDPP[vlevel][max_mpc_comb][pipe_plane] == 4)
+			split[i] = 4;
+		else if (force_split || v->NoOfDPP[vlevel][max_mpc_comb][pipe_plane] == 2)
+				split[i] = 2;
+
+		if ((pipe->stream->view_format ==
+				VIEW_3D_FORMAT_SIDE_BY_SIDE ||
+				pipe->stream->view_format ==
+				VIEW_3D_FORMAT_TOP_AND_BOTTOM) &&
+				(pipe->stream->timing.timing_3d_format ==
+				TIMING_3D_FORMAT_TOP_AND_BOTTOM ||
+				 pipe->stream->timing.timing_3d_format ==
+				TIMING_3D_FORMAT_SIDE_BY_SIDE))
+			split[i] = 2;
+		if (dc->debug.force_odm_combine & (1 << pipe->stream_res.tg->inst)) {
+			split[i] = 2;
+			v->ODMCombineEnablePerState[vlevel][pipe_plane] = dm_odm_combine_mode_2to1;
+		}
+		if (dc->debug.force_odm_combine_4to1 & (1 << pipe->stream_res.tg->inst)) {
+			split[i] = 4;
+			v->ODMCombineEnablePerState[vlevel][pipe_plane] = dm_odm_combine_mode_4to1;
+		}
+		/*420 format workaround*/
+		if (pipe->stream->timing.h_addressable > 7680 &&
+				pipe->stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420) {
+			split[i] = 4;
+		}
+
+		v->ODMCombineEnabled[pipe_plane] =
+			v->ODMCombineEnablePerState[vlevel][pipe_plane];
+
+		if (v->ODMCombineEnabled[pipe_plane] == dm_odm_combine_mode_disabled) {
+			if (dml_get_num_mpc_splits(pipe) == 1) {
+				/*If need split for mpc but 2 way split already*/
+				if (split[i] == 4)
+					split[i] = 2; /* 2 -> 4 MPC */
+				else if (split[i] == 2)
+					split[i] = 0; /* 2 -> 2 MPC */
+				else if (pipe->top_pipe && pipe->top_pipe->plane_state == pipe->plane_state)
+					merge[i] = true; /* 2 -> 1 MPC */
+			} else if (dml_get_num_mpc_splits(pipe) == 3) {
+				/*If need split for mpc but 4 way split already*/
+				if (split[i] == 2 && ((pipe->top_pipe && !pipe->top_pipe->top_pipe)
+						|| !pipe->bottom_pipe)) {
+					merge[i] = true; /* 4 -> 2 MPC */
+				} else if (split[i] == 0 && pipe->top_pipe &&
+						pipe->top_pipe->plane_state == pipe->plane_state)
+					merge[i] = true; /* 4 -> 1 MPC */
+				split[i] = 0;
+			} else if (dml_get_num_mpc_splits(pipe)) {
+				/* ODM -> MPC transition */
+				if (pipe->prev_odm_pipe) {
+					split[i] = 0;
+					merge[i] = true;
+				}
+			}
+		} else {
+			if (dml_get_num_mpc_splits(pipe) == 1) {
+				/*If need split for odm but 2 way split already*/
+				if (split[i] == 4)
+					split[i] = 2; /* 2 -> 4 ODM */
+				else if (split[i] == 2)
+					split[i] = 0; /* 2 -> 2 ODM */
+				else if (pipe->prev_odm_pipe) {
+					ASSERT(0); /* NOT expected yet */
+					merge[i] = true; /* exit ODM */
+				}
+			} else if (dml_get_num_mpc_splits(pipe) == 3) {
+				/*If need split for odm but 4 way split already*/
+				if (split[i] == 2 && ((pipe->prev_odm_pipe && !pipe->prev_odm_pipe->prev_odm_pipe)
+						|| !pipe->next_odm_pipe)) {
+					ASSERT(0); /* NOT expected yet */
+					merge[i] = true; /* 4 -> 2 ODM */
+				} else if (split[i] == 0 && pipe->prev_odm_pipe) {
+					ASSERT(0); /* NOT expected yet */
+					merge[i] = true; /* exit ODM */
+				}
+				split[i] = 0;
+			} else if (dml_get_num_mpc_splits(pipe)) {
+				/* MPC -> ODM transition */
+				ASSERT(0); /* NOT expected yet */
+				if (pipe->top_pipe && pipe->top_pipe->plane_state == pipe->plane_state) {
+					split[i] = 0;
+					merge[i] = true;
+				}
+			}
+		}
+
+		/* Adjust dppclk when split is forced, do not bother with dispclk */
+		if (split[i] != 0 && v->NoOfDPP[vlevel][max_mpc_comb][pipe_idx] == 1)
+			v->RequiredDPPCLK[vlevel][max_mpc_comb][pipe_idx] /= 2;
+		pipe_idx++;
+	}
+
+	return vlevel;
+}
+
+static void dml_set_phantom_stream_timing(struct dc *dc,
+		struct dc_state *context,
+		struct pipe_ctx *ref_pipe,
+		struct dc_stream_state *phantom_stream)
+{
+	// phantom_vactive = blackout (latency + margin) + fw_processing_delays + pstate allow width
+	uint32_t phantom_vactive_us = context->bw_ctx.dml.soc.dram_clock_change_latency_us + 60 +
+					dc->caps.subvp_fw_processing_delay_us +
+					dc->caps.subvp_pstate_allow_width_us;
+	uint32_t phantom_vactive = ((double)phantom_vactive_us/1000000) *
+					(ref_pipe->stream->timing.pix_clk_100hz * 100) /
+					(double)ref_pipe->stream->timing.h_total;
+	uint32_t phantom_bp = ref_pipe->pipe_dlg_param.vstartup_start;
+
+	phantom_stream->dst.y = 0;
+	phantom_stream->dst.height = phantom_vactive;
+	phantom_stream->src.y = 0;
+	phantom_stream->src.height = phantom_vactive;
+
+	phantom_stream->timing.v_addressable = phantom_vactive;
+	phantom_stream->timing.v_front_porch = 1;
+	phantom_stream->timing.v_total = phantom_stream->timing.v_addressable +
+						phantom_stream->timing.v_front_porch +
+						phantom_stream->timing.v_sync_width +
+						phantom_bp;
+}
+
+static struct dc_stream_state *dml_enable_phantom_stream(struct dc *dc,
+		struct dc_state *context,
+		struct pipe_ctx *ref_pipe)
+{
+	struct dc_stream_state *phantom_stream = NULL;
+
+	phantom_stream = dc_create_stream_for_sink(ref_pipe->stream->sink);
+	phantom_stream->signal = SIGNAL_TYPE_VIRTUAL;
+	phantom_stream->dpms_off = true;
+	phantom_stream->mall_stream_config.type = SUBVP_PHANTOM;
+	phantom_stream->mall_stream_config.paired_stream = ref_pipe->stream;
+	ref_pipe->stream->mall_stream_config.type = SUBVP_MAIN;
+	ref_pipe->stream->mall_stream_config.paired_stream = phantom_stream;
+
+	/* stream has limited viewport and small timing */
+	memcpy(&phantom_stream->timing, &ref_pipe->stream->timing, sizeof(phantom_stream->timing));
+	memcpy(&phantom_stream->src, &ref_pipe->stream->src, sizeof(phantom_stream->src));
+	memcpy(&phantom_stream->dst, &ref_pipe->stream->dst, sizeof(phantom_stream->dst));
+	dml_set_phantom_stream_timing(dc, context, ref_pipe, phantom_stream);
+
+	dc_add_stream_to_ctx(dc, context, phantom_stream);
+	dc->hwss.apply_ctx_to_hw(dc, context);
+	return phantom_stream;
+}
+
+static void dml_enable_phantom_plane(struct dc *dc,
+		struct dc_state *context,
+		struct dc_stream_state *phantom_stream,
+		struct pipe_ctx *main_pipe)
+{
+	struct dc_plane_state *phantom_plane = NULL;
+	struct dc_plane_state *prev_phantom_plane = NULL;
+	struct pipe_ctx *curr_pipe = main_pipe;
+
+	while (curr_pipe) {
+		if (curr_pipe->top_pipe && curr_pipe->top_pipe->plane_state == curr_pipe->plane_state)
+			phantom_plane = prev_phantom_plane;
+		else
+			phantom_plane = dc_create_plane_state(dc);
+
+		memcpy(&phantom_plane->address, &curr_pipe->plane_state->address, sizeof(phantom_plane->address));
+		memcpy(&phantom_plane->scaling_quality, &curr_pipe->plane_state->scaling_quality,
+				sizeof(phantom_plane->scaling_quality));
+		memcpy(&phantom_plane->src_rect, &curr_pipe->plane_state->src_rect, sizeof(phantom_plane->src_rect));
+		memcpy(&phantom_plane->dst_rect, &curr_pipe->plane_state->dst_rect, sizeof(phantom_plane->dst_rect));
+		memcpy(&phantom_plane->clip_rect, &curr_pipe->plane_state->clip_rect, sizeof(phantom_plane->clip_rect));
+		memcpy(&phantom_plane->plane_size, &curr_pipe->plane_state->plane_size,
+				sizeof(phantom_plane->plane_size));
+		memcpy(&phantom_plane->tiling_info, &curr_pipe->plane_state->tiling_info,
+				sizeof(phantom_plane->tiling_info));
+		memcpy(&phantom_plane->dcc, &curr_pipe->plane_state->dcc, sizeof(phantom_plane->dcc));
+		/* Currently compat_level is undefined in dc_state
+		* phantom_plane->compat_level = curr_pipe->plane_state->compat_level;
+		*/
+		phantom_plane->format = curr_pipe->plane_state->format;
+		phantom_plane->rotation = curr_pipe->plane_state->rotation;
+		phantom_plane->visible = curr_pipe->plane_state->visible;
+
+		/* Shadow pipe has small viewport. */
+		phantom_plane->clip_rect.y = 0;
+		phantom_plane->clip_rect.height = phantom_stream->timing.v_addressable;
+
+		dc_add_plane_to_context(dc, phantom_stream, phantom_plane, context);
+
+		curr_pipe = curr_pipe->bottom_pipe;
+		prev_phantom_plane = phantom_plane;
+	}
+}
+
+static void dml_add_phantom_pipes(struct dc *dc, struct dc_state *context)
+{
+	int i = 0;
+
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
+		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
+		struct dc_stream_state *ref_stream = pipe->stream;
+		// Only construct phantom stream for top pipes that have plane enabled
+		if (!pipe->top_pipe && pipe->plane_state && pipe->stream &&
+				pipe->stream->mall_stream_config.type == SUBVP_NONE) {
+			struct dc_stream_state *phantom_stream = NULL;
+
+			phantom_stream = dml_enable_phantom_stream(dc, context, pipe);
+			dml_enable_phantom_plane(dc, context, phantom_stream, pipe);
+		}
+	}
+
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
+		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
+
+		if (pipe->plane_state && pipe->stream &&
+				pipe->stream->mall_stream_config.type == SUBVP_PHANTOM) {
+			pipe->stream->use_dynamic_meta = false;
+			pipe->plane_state->flip_immediate = false;
+			if (!resource_build_scaling_params(pipe)) {
+				// Log / remove phantom pipes since failed to build scaling params
+			}
+		}
+	}
+}
+
+static void dml_remove_phantom_pipes(struct dc *dc, struct dc_state *context)
+{
+	int i;
+	bool removed_pipe = false;
+
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
+		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
+		// build scaling params for phantom pipes
+		if (pipe->plane_state && pipe->stream && pipe->stream->mall_stream_config.type == SUBVP_PHANTOM) {
+			dc_rem_all_planes_for_stream(dc, pipe->stream, context);
+			dc_remove_stream_from_ctx(dc, context, pipe->stream);
+			removed_pipe = true;
+		}
+
+		// Clear all phantom stream info
+		if (pipe->stream) {
+			pipe->stream->mall_stream_config.type = SUBVP_NONE;
+			pipe->stream->mall_stream_config.paired_stream = NULL;
+		}
+	}
+	if (removed_pipe)
+		dc->hwss.apply_ctx_to_hw(dc, context);
+}
+
+/*
+ * If the input state contains no upstream planes for a particular pipe (i.e. only timing)
+ * we need to populate some "conservative" plane information as DML cannot handle "no planes"
+ */
+static void populate_default_plane_from_timing(const struct dc_crtc_timing *timing, struct _vcs_dpi_display_pipe_params_st *pipe)
+{
+	pipe->src.is_hsplit = pipe->dest.odm_combine != dm_odm_combine_mode_disabled;
+	pipe->src.source_scan = dm_horz;
+	pipe->src.sw_mode = dm_sw_4kb_s;
+	pipe->src.macro_tile_size = dm_64k_tile;
+	pipe->src.viewport_width = timing->h_addressable;
+	if (pipe->src.viewport_width > 1920)
+		pipe->src.viewport_width = 1920;
+	pipe->src.viewport_height = timing->v_addressable;
+	if (pipe->src.viewport_height > 1080)
+		pipe->src.viewport_height = 1080;
+	pipe->src.surface_height_y = pipe->src.viewport_height;
+	pipe->src.surface_width_y = pipe->src.viewport_width;
+	pipe->src.surface_height_c = pipe->src.viewport_height;
+	pipe->src.surface_width_c = pipe->src.viewport_width;
+	pipe->src.data_pitch = ((pipe->src.viewport_width + 255) / 256) * 256;
+	pipe->src.source_format = dm_444_32;
+	pipe->dest.recout_width = pipe->src.viewport_width;
+	pipe->dest.recout_height = pipe->src.viewport_height;
+	pipe->dest.full_recout_width = pipe->dest.recout_width;
+	pipe->dest.full_recout_height = pipe->dest.recout_height;
+	pipe->scale_ratio_depth.lb_depth = dm_lb_16;
+	pipe->scale_ratio_depth.hscl_ratio = 1.0;
+	pipe->scale_ratio_depth.vscl_ratio = 1.0;
+	pipe->scale_ratio_depth.scl_enable = 0;
+	pipe->scale_taps.htaps = 1;
+	pipe->scale_taps.vtaps = 1;
+	pipe->dest.vtotal_min = timing->v_total;
+	pipe->dest.vtotal_max = timing->v_total;
+
+	if (pipe->dest.odm_combine == dm_odm_combine_mode_2to1) {
+		pipe->src.viewport_width /= 2;
+		pipe->dest.recout_width /= 2;
+	} else if (pipe->dest.odm_combine == dm_odm_combine_mode_4to1) {
+		pipe->src.viewport_width /= 4;
+		pipe->dest.recout_width /= 4;
+	}
+
+	pipe->src.dcc = false;
+	pipe->src.dcc_rate = 1;
+}
+
+/*
+ * If the pipe is not blending (i.e. pipe_ctx->top pipe == null) then its
+ * hsplit group is equal to its own pipe ID
+ * Otherwise, all pipes part of the same blending tree have the same hsplit group
+ * ID as the top most pipe
+ *
+ * If the pipe ctx is ODM combined, then similar logic follows
+ */
+static void populate_hsplit_group_from_dc_pipe_ctx (const struct pipe_ctx *dc_pipe_ctx, struct _vcs_dpi_display_e2e_pipe_params_st *e2e_pipe)
+{
+	e2e_pipe->pipe.src.hsplit_grp = dc_pipe_ctx->pipe_idx;
+
+	if (dc_pipe_ctx->top_pipe && dc_pipe_ctx->top_pipe->plane_state
+			== dc_pipe_ctx->plane_state) {
+		struct pipe_ctx *first_pipe = dc_pipe_ctx->top_pipe;
+		int split_idx = 0;
+
+		while (first_pipe->top_pipe && first_pipe->top_pipe->plane_state
+				== dc_pipe_ctx->plane_state) {
+			first_pipe = first_pipe->top_pipe;
+			split_idx++;
+		}
+
+		/* Treat 4to1 mpc combine as an mpo of 2 2-to-1 combines */
+		if (split_idx == 0)
+			e2e_pipe->pipe.src.hsplit_grp = first_pipe->pipe_idx;
+		else if (split_idx == 1)
+			e2e_pipe->pipe.src.hsplit_grp = dc_pipe_ctx->pipe_idx;
+		else if (split_idx == 2)
+			e2e_pipe->pipe.src.hsplit_grp = dc_pipe_ctx->top_pipe->pipe_idx;
+
+	} else if (dc_pipe_ctx->prev_odm_pipe) {
+		struct pipe_ctx *first_pipe = dc_pipe_ctx->prev_odm_pipe;
+
+		while (first_pipe->prev_odm_pipe)
+			first_pipe = first_pipe->prev_odm_pipe;
+		e2e_pipe->pipe.src.hsplit_grp = first_pipe->pipe_idx;
+	}
+}
+
+static void populate_dml_from_dc_pipe_ctx (const struct pipe_ctx *dc_pipe_ctx, struct _vcs_dpi_display_e2e_pipe_params_st *e2e_pipe, int always_scale)
+{
+	const struct dc_plane_state *pln = dc_pipe_ctx->plane_state;
+	const struct scaler_data *scl = &dc_pipe_ctx->plane_res.scl_data;
+
+	e2e_pipe->pipe.src.immediate_flip = pln->flip_immediate;
+	e2e_pipe->pipe.src.is_hsplit = (dc_pipe_ctx->bottom_pipe && dc_pipe_ctx->bottom_pipe->plane_state == pln)
+			|| (dc_pipe_ctx->top_pipe && dc_pipe_ctx->top_pipe->plane_state == pln)
+			|| e2e_pipe->pipe.dest.odm_combine != dm_odm_combine_mode_disabled;
+
+	/* stereo is not split */
+	if (pln->stereo_format == PLANE_STEREO_FORMAT_SIDE_BY_SIDE ||
+		pln->stereo_format == PLANE_STEREO_FORMAT_TOP_AND_BOTTOM) {
+		e2e_pipe->pipe.src.is_hsplit = false;
+		e2e_pipe->pipe.src.hsplit_grp = dc_pipe_ctx->pipe_idx;
+	}
+
+	e2e_pipe->pipe.src.source_scan = pln->rotation == ROTATION_ANGLE_90
+			|| pln->rotation == ROTATION_ANGLE_270 ? dm_vert : dm_horz;
+	e2e_pipe->pipe.src.viewport_y_y = scl->viewport.y;
+	e2e_pipe->pipe.src.viewport_y_c = scl->viewport_c.y;
+	e2e_pipe->pipe.src.viewport_width = scl->viewport.width;
+	e2e_pipe->pipe.src.viewport_width_c = scl->viewport_c.width;
+	e2e_pipe->pipe.src.viewport_height = scl->viewport.height;
+	e2e_pipe->pipe.src.viewport_height_c = scl->viewport_c.height;
+	e2e_pipe->pipe.src.viewport_width_max = pln->src_rect.width;
+	e2e_pipe->pipe.src.viewport_height_max = pln->src_rect.height;
+	e2e_pipe->pipe.src.surface_width_y = pln->plane_size.surface_size.width;
+	e2e_pipe->pipe.src.surface_height_y = pln->plane_size.surface_size.height;
+	e2e_pipe->pipe.src.surface_width_c = pln->plane_size.chroma_size.width;
+	e2e_pipe->pipe.src.surface_height_c = pln->plane_size.chroma_size.height;
+
+	if (pln->format == SURFACE_PIXEL_FORMAT_GRPH_RGBE_ALPHA
+			|| pln->format >= SURFACE_PIXEL_FORMAT_VIDEO_BEGIN) {
+		e2e_pipe->pipe.src.data_pitch = pln->plane_size.surface_pitch;
+		e2e_pipe->pipe.src.data_pitch_c = pln->plane_size.chroma_pitch;
+		e2e_pipe->pipe.src.meta_pitch = pln->dcc.meta_pitch;
+		e2e_pipe->pipe.src.meta_pitch_c = pln->dcc.meta_pitch_c;
+	} else {
+		e2e_pipe->pipe.src.data_pitch = pln->plane_size.surface_pitch;
+		e2e_pipe->pipe.src.meta_pitch = pln->dcc.meta_pitch;
+	}
+	e2e_pipe->pipe.src.dcc = pln->dcc.enable;
+	e2e_pipe->pipe.src.dcc_rate = 1;
+	e2e_pipe->pipe.dest.recout_width = scl->recout.width;
+	e2e_pipe->pipe.dest.recout_height = scl->recout.height;
+	e2e_pipe->pipe.dest.full_recout_height = scl->recout.height;
+	e2e_pipe->pipe.dest.full_recout_width = scl->recout.width;
+	if (e2e_pipe->pipe.dest.odm_combine == dm_odm_combine_mode_2to1)
+		e2e_pipe->pipe.dest.full_recout_width *= 2;
+	else if (e2e_pipe->pipe.dest.odm_combine == dm_odm_combine_mode_4to1)
+		e2e_pipe->pipe.dest.full_recout_width *= 4;
+	else {
+		struct pipe_ctx *split_pipe = dc_pipe_ctx->bottom_pipe;
+
+		while (split_pipe && split_pipe->plane_state == pln) {
+			e2e_pipe->pipe.dest.full_recout_width += split_pipe->plane_res.scl_data.recout.width;
+			split_pipe = split_pipe->bottom_pipe;
+		}
+		split_pipe = dc_pipe_ctx->top_pipe;
+		while (split_pipe && split_pipe->plane_state == pln) {
+			e2e_pipe->pipe.dest.full_recout_width += split_pipe->plane_res.scl_data.recout.width;
+			split_pipe = split_pipe->top_pipe;
+		}
+	}
+
+	e2e_pipe->pipe.scale_ratio_depth.lb_depth = dm_lb_16;
+	e2e_pipe->pipe.scale_ratio_depth.hscl_ratio = (double) scl->ratios.horz.value / (1ULL<<32);
+	e2e_pipe->pipe.scale_ratio_depth.hscl_ratio_c = (double) scl->ratios.horz_c.value / (1ULL<<32);
+	e2e_pipe->pipe.scale_ratio_depth.vscl_ratio = (double) scl->ratios.vert.value / (1ULL<<32);
+	e2e_pipe->pipe.scale_ratio_depth.vscl_ratio_c = (double) scl->ratios.vert_c.value / (1ULL<<32);
+	e2e_pipe->pipe.scale_ratio_depth.scl_enable =
+			scl->ratios.vert.value != dc_fixpt_one.value
+			|| scl->ratios.horz.value != dc_fixpt_one.value
+			|| scl->ratios.vert_c.value != dc_fixpt_one.value
+			|| scl->ratios.horz_c.value != dc_fixpt_one.value /*Lb only or Full scl*/
+			|| always_scale; /*support always scale*/
+	e2e_pipe->pipe.scale_taps.htaps = scl->taps.h_taps;
+	e2e_pipe->pipe.scale_taps.htaps_c = scl->taps.h_taps_c;
+	e2e_pipe->pipe.scale_taps.vtaps = scl->taps.v_taps;
+	e2e_pipe->pipe.scale_taps.vtaps_c = scl->taps.v_taps_c;
+
+	/* Currently compat_level is not defined. Commenting it until further resolution
+	 * if (pln->compat_level == DC_LEGACY_TILING_ADDR_GEN_TWO) {
+		swizzle_to_dml_params(pln->tiling_info.gfx9.swizzle,
+				&e2e_pipe->pipe.src.sw_mode);
+		e2e_pipe->pipe.src.macro_tile_size =
+				swizzle_mode_to_macro_tile_size(pln->tiling_info.gfx9.swizzle);
+	} else {
+		gfx10array_mode_to_dml_params(pln->tiling_info.gfx10compatible.array_mode,
+				pln->compat_level,
+				&e2e_pipe->pipe.src.sw_mode);
+		e2e_pipe->pipe.src.macro_tile_size = dm_4k_tile;
+	}*/
+
+	e2e_pipe->pipe.src.source_format = dc_source_format_to_dml_source_format(pln->format);
+}
+
+static void populate_dml_cursor_parameters_from_dc_pipe_ctx (const struct pipe_ctx *dc_pipe_ctx, struct _vcs_dpi_display_e2e_pipe_params_st *e2e_pipe)
+{
+	/*
+	* For graphic plane, cursor number is 1, nv12 is 0
+	* bw calculations due to cursor on/off
+	*/
+	if (dc_pipe_ctx->plane_state &&
+			(dc_pipe_ctx->plane_state->address.type == PLN_ADDR_TYPE_VIDEO_PROGRESSIVE ||
+			dc_pipe_ctx->stream->mall_stream_config.type == SUBVP_PHANTOM))
+		e2e_pipe->pipe.src.num_cursors = 0;
+	else
+		e2e_pipe->pipe.src.num_cursors = 1;
+
+	e2e_pipe->pipe.src.cur0_src_width = 256;
+	e2e_pipe->pipe.src.cur0_bpp = dm_cur_32bit;
+}
+
+static int populate_dml_pipes_from_context_base(
+		struct dc *dc,
+		struct dc_state *context,
+		display_e2e_pipe_params_st *pipes,
+		bool fast_validate)
+{
+	int pipe_cnt, i;
+	bool synchronized_vblank = true;
+	struct resource_context *res_ctx = &context->res_ctx;
+
+	for (i = 0, pipe_cnt = -1; i < dc->res_pool->pipe_count; i++) {
+		if (!res_ctx->pipe_ctx[i].stream)
+			continue;
+
+		if (pipe_cnt < 0) {
+			pipe_cnt = i;
+			continue;
+		}
+
+		if (res_ctx->pipe_ctx[pipe_cnt].stream == res_ctx->pipe_ctx[i].stream)
+			continue;
+
+		if (dc->debug.disable_timing_sync ||
+			(!resource_are_streams_timing_synchronizable(
+				res_ctx->pipe_ctx[pipe_cnt].stream,
+				res_ctx->pipe_ctx[i].stream) &&
+			!resource_are_vblanks_synchronizable(
+				res_ctx->pipe_ctx[pipe_cnt].stream,
+				res_ctx->pipe_ctx[i].stream))) {
+			synchronized_vblank = false;
+			break;
+		}
+	}
+
+	for (i = 0, pipe_cnt = 0; i < dc->res_pool->pipe_count; i++) {
+		struct dc_crtc_timing *timing = &res_ctx->pipe_ctx[i].stream->timing;
+
+		struct audio_check aud_check = {0};
+		if (!res_ctx->pipe_ctx[i].stream)
+			continue;
+
+		/* todo:
+		pipes[pipe_cnt].pipe.src.dynamic_metadata_enable = 0;
+		pipes[pipe_cnt].pipe.src.dcc = 0;
+		pipes[pipe_cnt].pipe.src.vm = 0;*/
+
+		pipes[pipe_cnt].clks_cfg.refclk_mhz = dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000.0;
+
+		pipes[pipe_cnt].dout.dsc_enable = res_ctx->pipe_ctx[i].stream->timing.flags.DSC;
+		/* todo: rotation?*/
+		pipes[pipe_cnt].dout.dsc_slices = res_ctx->pipe_ctx[i].stream->timing.dsc_cfg.num_slices_h;
+		if (res_ctx->pipe_ctx[i].stream->use_dynamic_meta) {
+			pipes[pipe_cnt].pipe.src.dynamic_metadata_enable = true;
+			/* 1/2 vblank */
+			pipes[pipe_cnt].pipe.src.dynamic_metadata_lines_before_active =
+				(timing->v_total - timing->v_addressable
+					- timing->v_border_top - timing->v_border_bottom) / 2;
+			/* 36 bytes dp, 32 hdmi */
+			pipes[pipe_cnt].pipe.src.dynamic_metadata_xmit_bytes =
+				dc_is_dp_signal(res_ctx->pipe_ctx[i].stream->signal) ? 36 : 32;
+		}
+		pipes[pipe_cnt].pipe.dest.synchronized_vblank_all_planes = synchronized_vblank;
+
+		dc_timing_to_dml_timing(timing, &pipes[pipe_cnt].pipe.dest);
+		pipes[pipe_cnt].pipe.dest.vtotal_min = res_ctx->pipe_ctx[i].stream->adjust.v_total_min;
+		pipes[pipe_cnt].pipe.dest.vtotal_max = res_ctx->pipe_ctx[i].stream->adjust.v_total_max;
+
+		pipes[pipe_cnt].pipe.dest.otg_inst = res_ctx->pipe_ctx[i].stream_res.tg->inst;
+
+		pipes[pipe_cnt].pipe.dest.odm_combine = get_dml_odm_combine(&res_ctx->pipe_ctx[i]);
+
+		populate_hsplit_group_from_dc_pipe_ctx(&res_ctx->pipe_ctx[i], &pipes[pipe_cnt]);
+
+		pipes[pipe_cnt].dout.dp_lanes = 4;
+		pipes[pipe_cnt].dout.is_virtual = 0;
+		pipes[pipe_cnt].dout.output_type = get_dml_output_type(res_ctx->pipe_ctx[i].stream->signal);
+		if (pipes[pipe_cnt].dout.output_type < 0) {
+			pipes[pipe_cnt].dout.output_type = dm_dp;
+			pipes[pipe_cnt].dout.is_virtual = 1;
+		}
+
+		populate_color_depth_and_encoding_from_timing(&res_ctx->pipe_ctx[i].stream->timing, &pipes[pipe_cnt].dout);
+
+		if (res_ctx->pipe_ctx[i].stream->timing.flags.DSC)
+			pipes[pipe_cnt].dout.output_bpp = res_ctx->pipe_ctx[i].stream->timing.dsc_cfg.bits_per_pixel / 16.0;
+
+		/* todo: default max for now, until there is logic reflecting this in dc*/
+		pipes[pipe_cnt].dout.dsc_input_bpc = 12;
+		/*fill up the audio sample rate (unit in kHz)*/
+		get_audio_check(&res_ctx->pipe_ctx[i].stream->audio_info, &aud_check);
+		pipes[pipe_cnt].dout.max_audio_sample_rate = aud_check.max_audiosample_rate / 1000;
+
+		populate_dml_cursor_parameters_from_dc_pipe_ctx(&res_ctx->pipe_ctx[i], &pipes[pipe_cnt]);
+
+		if (!res_ctx->pipe_ctx[i].plane_state) {
+			populate_default_plane_from_timing(timing, &pipes[pipe_cnt].pipe);
+		} else {
+			populate_dml_from_dc_pipe_ctx(&res_ctx->pipe_ctx[i], &pipes[pipe_cnt], dc->debug.always_scale);
+		}
+
+		pipe_cnt++;
+	}
+
+	/* populate writeback information */
+	if (dc->res_pool)
+		dc->res_pool->funcs->populate_dml_writeback_from_context(dc, res_ctx, pipes);
+
+	return pipe_cnt;
+}
+
+static int dml_populate_dml_pipes_from_context(
+	struct dc *dc, struct dc_state *context,
+	display_e2e_pipe_params_st *pipes,
+	bool fast_validate)
+{
+	int i, pipe_cnt;
+	struct resource_context *res_ctx = &context->res_ctx;
+	struct pipe_ctx *pipe;
+
+	populate_dml_pipes_from_context_base(dc, context, pipes, fast_validate);
+
+	for (i = 0, pipe_cnt = 0; i < dc->res_pool->pipe_count; i++) {
+		struct dc_crtc_timing *timing;
+
+		if (!res_ctx->pipe_ctx[i].stream)
+			continue;
+		pipe = &res_ctx->pipe_ctx[i];
+		timing = &pipe->stream->timing;
+
+		pipes[pipe_cnt].pipe.src.gpuvm = true;
+		pipes[pipe_cnt].pipe.src.dcc_fraction_of_zs_req_luma = 0;
+		pipes[pipe_cnt].pipe.src.dcc_fraction_of_zs_req_chroma = 0;
+		pipes[pipe_cnt].pipe.dest.vfront_porch = timing->v_front_porch;
+
+		pipes[pipe_cnt].dout.dsc_input_bpc = 0;
+		if (pipes[pipe_cnt].dout.dsc_enable) {
+			switch (timing->display_color_depth) {
+			case COLOR_DEPTH_888:
+				pipes[pipe_cnt].dout.dsc_input_bpc = 8;
+				break;
+			case COLOR_DEPTH_101010:
+				pipes[pipe_cnt].dout.dsc_input_bpc = 10;
+				break;
+			case COLOR_DEPTH_121212:
+				pipes[pipe_cnt].dout.dsc_input_bpc = 12;
+				break;
+			default:
+				ASSERT(0);
+				break;
+			}
+		}
+		pipe_cnt++;
+	}
+	dc->config.enable_4to1MPC = false;
+	if (pipe_cnt == 1 && pipe->plane_state && !dc->debug.disable_z9_mpc) {
+		if (is_dual_plane(pipe->plane_state->format)
+				&& pipe->plane_state->src_rect.width <= 1920 && pipe->plane_state->src_rect.height <= 1080) {
+			dc->config.enable_4to1MPC = true;
+		} else if (!is_dual_plane(pipe->plane_state->format)) {
+			context->bw_ctx.dml.ip.det_buffer_size_kbytes = 192;
+			pipes[0].pipe.src.unbounded_req_mode = true;
+		}
+	}
+
+	return pipe_cnt;
+}
+
+static void dml_full_validate_bw_helper(struct dc *dc,
+		struct dc_state *context,
+		display_e2e_pipe_params_st *pipes,
+		int *vlevel,
+		int *split,
+		bool *merge,
+		int *pipe_cnt)
+{
+	struct vba_vars_st *vba = &context->bw_ctx.dml.vba;
+
+	/*
+	 * DML favors voltage over p-state, but we're more interested in
+	 * supporting p-state over voltage. We can't support p-state in
+	 * prefetch mode > 0 so try capping the prefetch mode to start.
+	 */
+	context->bw_ctx.dml.soc.allow_dram_self_refresh_or_dram_clock_change_in_vblank =
+		dm_allow_self_refresh_and_mclk_switch;
+	*vlevel = dml_get_voltage_level(&context->bw_ctx.dml, pipes, *pipe_cnt);
+	/* This may adjust vlevel and maxMpcComb */
+	if (*vlevel < context->bw_ctx.dml.soc.num_states)
+		*vlevel = dml_validate_apply_pipe_split_flags(dc, context, *vlevel, split, merge);
+
+	/* Conditions for setting up phantom pipes for SubVP:
+	 * 1. Not force disable SubVP
+	 * 2. Full update (i.e. !fast_validate)
+	 * 3. Enough pipes are available to support SubVP (TODO: Which pipes will use VACTIVE / VBLANK / SUBVP?)
+	 * 4. Display configuration passes validation
+	 * 5. (Config doesn't support MCLK in VACTIVE/VBLANK || dc->debug.force_subvp_mclk_switch)
+	 */
+	if (!dc->debug.force_disable_subvp &&
+			dml_enough_pipes_for_subvp(dc, context) &&
+			*vlevel < context->bw_ctx.dml.soc.num_states &&
+			(vba->DRAMClockChangeSupport[*vlevel][vba->maxMpcComb] == dm_dram_clock_change_unsupported ||
+			dc->debug.force_subvp_mclk_switch)) {
+
+		dml_add_phantom_pipes(dc, context);
+
+		 /* Create input to DML based on new context which includes phantom pipes
+		  * TODO: Input to DML should mark which pipes are phantom
+		  */
+		*pipe_cnt = dml_populate_dml_pipes_from_context(dc, context, pipes, false);
+		*vlevel = dml_get_voltage_level(&context->bw_ctx.dml, pipes, *pipe_cnt);
+		if (*vlevel < context->bw_ctx.dml.soc.num_states) {
+			memset(split, 0, sizeof(split));
+			memset(merge, 0, sizeof(merge));
+			*vlevel = dml_validate_apply_pipe_split_flags(dc, context, *vlevel, split, merge);
+		}
+
+		// If SubVP pipe config is unsupported (or cannot be used for UCLK switching)
+		// remove phantom pipes and repopulate dml pipes
+		if (*vlevel == context->bw_ctx.dml.soc.num_states ||
+				vba->DRAMClockChangeSupport[*vlevel][vba->maxMpcComb] == dm_dram_clock_change_unsupported) {
+			dml_remove_phantom_pipes(dc, context);
+			*pipe_cnt = dml_populate_dml_pipes_from_context(dc, context, pipes, false);
+		}
+	}
+}
+
+static void dcn20_adjust_adaptive_sync_v_startup(
+		const struct dc_crtc_timing *dc_crtc_timing, int *vstartup_start)
+{
+	struct dc_crtc_timing patched_crtc_timing;
+	uint32_t asic_blank_end   = 0;
+	uint32_t asic_blank_start = 0;
+	uint32_t newVstartup	  = 0;
+
+	patched_crtc_timing = *dc_crtc_timing;
+
+	if (patched_crtc_timing.flags.INTERLACE == 1) {
+		if (patched_crtc_timing.v_front_porch < 2)
+			patched_crtc_timing.v_front_porch = 2;
+	} else {
+		if (patched_crtc_timing.v_front_porch < 1)
+			patched_crtc_timing.v_front_porch = 1;
+	}
+
+	/* blank_start = frame end - front porch */
+	asic_blank_start = patched_crtc_timing.v_total -
+					patched_crtc_timing.v_front_porch;
+
+	/* blank_end = blank_start - active */
+	asic_blank_end = asic_blank_start -
+					patched_crtc_timing.v_border_bottom -
+					patched_crtc_timing.v_addressable -
+					patched_crtc_timing.v_border_top;
+
+	newVstartup = asic_blank_end + (patched_crtc_timing.v_total - asic_blank_start);
+
+	*vstartup_start = ((newVstartup > *vstartup_start) ? newVstartup : *vstartup_start);
+}
+
+static bool is_dp_128b_132b_signal(struct pipe_ctx *pipe_ctx)
+{
+	return (pipe_ctx->stream_res.hpo_dp_stream_enc &&
+			pipe_ctx->stream->link->hpo_dp_link_enc &&
+			dc_is_dp_signal(pipe_ctx->stream->signal));
+}
+
+static bool is_dtbclk_required(struct dc *dc, struct dc_state *context)
+{
+	int i;
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
+		if (!context->res_ctx.pipe_ctx[i].stream)
+			continue;
+#if defined (CONFIG_DRM_AMD_DC_DP2_0)
+		if (is_dp_128b_132b_signal(&context->res_ctx.pipe_ctx[i]))
+			return true;
+#endif
+	}
+	return false;
+}
+
+static void dml_update_soc_for_wm_a(struct dc *dc, struct dc_state *context)
+{
+	if (dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].valid) {
+		context->bw_ctx.dml.soc.dram_clock_change_latency_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.pstate_latency_us;
+		context->bw_ctx.dml.soc.sr_enter_plus_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.sr_enter_plus_exit_time_us;
+		context->bw_ctx.dml.soc.sr_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.sr_exit_time_us;
+	}
+}
+
+static bool dml_internal_validate(
+		struct dc *dc,
+		struct dc_state *context,
+		display_e2e_pipe_params_st *pipes,
+		int *pipe_cnt_out,
+		int *vlevel_out,
+		bool fast_validate)
+{
+	bool out = false;
+	bool repopulate_pipes = false;
+	int split[MAX_PIPES] = { 0 };
+	bool merge[MAX_PIPES] = { false };
+	bool newly_split[MAX_PIPES] = { false };
+	int pipe_cnt, i, pipe_idx, vlevel;
+	struct vba_vars_st *vba = &context->bw_ctx.dml.vba;
+
+	ASSERT(pipes);
+	if (!pipes)
+		return false;
+
+	// For each full update, remove all existing phantom pipes first
+	dml_remove_phantom_pipes(dc, context);
+
+	dml_update_soc_for_wm_a(dc, context);
+
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
+		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
+
+		if (pipe->plane_state) {
+			// On initial pass through DML, we intend to use MALL for SS on all
+			// (non-PSR) surfaces with none using MALL for P-State
+			// 'mall_plane_config': is not a member of 'dc_plane_state' - commenting it out till mall_plane_config gets supported in dc_plant_state
+			//if (pipe->stream && pipe->stream->link->psr_settings.psr_version == DC_PSR_VERSION_UNSUPPORTED)
+			//	pipe->plane_state->mall_plane_config.use_mall_for_ss = true;
+		}
+	}
+	pipe_cnt = dml_populate_dml_pipes_from_context(dc, context, pipes, fast_validate);
+
+	if (!pipe_cnt) {
+		out = true;
+		goto validate_out;
+	}
+
+	dml_log_pipe_params(&context->bw_ctx.dml, pipes, pipe_cnt);
+
+	if (!fast_validate) {
+		dml_full_validate_bw_helper(dc, context, pipes, &vlevel, split, merge, &pipe_cnt);
+	}
+
+	if (fast_validate || vlevel == context->bw_ctx.dml.soc.num_states ||
+			vba->DRAMClockChangeSupport[vlevel][vba->maxMpcComb] == dm_dram_clock_change_unsupported) {
+		/*
+		 * If mode is unsupported or there's still no p-state support then
+		 * fall back to favoring voltage.
+		 *
+		 * We don't actually support prefetch mode 2, so require that we
+		 * at least support prefetch mode 1.
+		 */
+		context->bw_ctx.dml.soc.allow_dram_self_refresh_or_dram_clock_change_in_vblank =
+			dm_allow_self_refresh;
+
+		vlevel = dml_get_voltage_level(&context->bw_ctx.dml, pipes, pipe_cnt);
+		if (vlevel < context->bw_ctx.dml.soc.num_states) {
+			memset(split, 0, sizeof(split));
+			memset(merge, 0, sizeof(merge));
+			vlevel = dml_validate_apply_pipe_split_flags(dc, context, vlevel, split, merge);
+		}
+	}
+
+	dml_log_mode_support_params(&context->bw_ctx.dml);
+
+	if (vlevel == context->bw_ctx.dml.soc.num_states)
+		goto validate_fail;
+
+	for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
+		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
+		struct pipe_ctx *mpo_pipe = pipe->bottom_pipe;
+
+		if (!pipe->stream)
+			continue;
+
+		/* We only support full screen mpo with ODM */
+		if (vba->ODMCombineEnabled[vba->pipe_plane[pipe_idx]] != dm_odm_combine_mode_disabled
+				&& pipe->plane_state && mpo_pipe
+				&& memcmp(&mpo_pipe->plane_res.scl_data.recout,
+						&pipe->plane_res.scl_data.recout,
+						sizeof(struct rect)) != 0) {
+			ASSERT(mpo_pipe->plane_state != pipe->plane_state);
+			goto validate_fail;
+		}
+		pipe_idx++;
+	}
+
+	/* merge pipes if necessary */
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
+		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
+
+		/*skip pipes that don't need merging*/
+		if (!merge[i])
+			continue;
+
+		/* if ODM merge we ignore mpc tree, mpo pipes will have their own flags */
+		if (pipe->prev_odm_pipe) {
+			/*split off odm pipe*/
+			pipe->prev_odm_pipe->next_odm_pipe = pipe->next_odm_pipe;
+			if (pipe->next_odm_pipe)
+				pipe->next_odm_pipe->prev_odm_pipe = pipe->prev_odm_pipe;
+
+			pipe->bottom_pipe = NULL;
+			pipe->next_odm_pipe = NULL;
+			pipe->plane_state = NULL;
+			pipe->stream = NULL;
+			pipe->top_pipe = NULL;
+			pipe->prev_odm_pipe = NULL;
+			if (pipe->stream_res.dsc)
+				dml_release_dsc(&context->res_ctx, dc->res_pool, &pipe->stream_res.dsc);
+			memset(&pipe->plane_res, 0, sizeof(pipe->plane_res));
+			memset(&pipe->stream_res, 0, sizeof(pipe->stream_res));
+			repopulate_pipes = true;
+		} else if (pipe->top_pipe && pipe->top_pipe->plane_state == pipe->plane_state) {
+			struct pipe_ctx *top_pipe = pipe->top_pipe;
+			struct pipe_ctx *bottom_pipe = pipe->bottom_pipe;
+
+			top_pipe->bottom_pipe = bottom_pipe;
+			if (bottom_pipe)
+				bottom_pipe->top_pipe = top_pipe;
+
+			pipe->top_pipe = NULL;
+			pipe->bottom_pipe = NULL;
+			pipe->plane_state = NULL;
+			pipe->stream = NULL;
+			memset(&pipe->plane_res, 0, sizeof(pipe->plane_res));
+			memset(&pipe->stream_res, 0, sizeof(pipe->stream_res));
+			repopulate_pipes = true;
+		} else
+			ASSERT(0); /* Should never try to merge master pipe */
+
+	}
+
+	for (i = 0, pipe_idx = -1; i < dc->res_pool->pipe_count; i++) {
+		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
+		struct pipe_ctx *old_pipe = &dc->current_state->res_ctx.pipe_ctx[i];
+		struct pipe_ctx *hsplit_pipe = NULL;
+		bool odm;
+		int old_index = -1;
+
+		if (!pipe->stream || newly_split[i])
+			continue;
+
+		pipe_idx++;
+		odm = vba->ODMCombineEnabled[vba->pipe_plane[pipe_idx]] != dm_odm_combine_mode_disabled;
+
+		if (!pipe->plane_state && !odm)
+			continue;
+
+		if (split[i]) {
+			if (odm) {
+				if (split[i] == 4 && old_pipe->next_odm_pipe && old_pipe->next_odm_pipe->next_odm_pipe)
+					old_index = old_pipe->next_odm_pipe->next_odm_pipe->pipe_idx;
+				else if (old_pipe->next_odm_pipe)
+					old_index = old_pipe->next_odm_pipe->pipe_idx;
+			} else {
+				if (split[i] == 4 && old_pipe->bottom_pipe && old_pipe->bottom_pipe->bottom_pipe &&
+						old_pipe->bottom_pipe->bottom_pipe->plane_state == old_pipe->plane_state)
+					old_index = old_pipe->bottom_pipe->bottom_pipe->pipe_idx;
+				else if (old_pipe->bottom_pipe &&
+						old_pipe->bottom_pipe->plane_state == old_pipe->plane_state)
+					old_index = old_pipe->bottom_pipe->pipe_idx;
+			}
+			hsplit_pipe = dml_find_split_pipe(dc, context, old_index);
+			ASSERT(hsplit_pipe);
+			if (!hsplit_pipe)
+				goto validate_fail;
+
+			if (!dml_split_stream_for_mpc_or_odm(
+					dc, &context->res_ctx,
+					pipe, hsplit_pipe, odm))
+				goto validate_fail;
+
+			newly_split[hsplit_pipe->pipe_idx] = true;
+			repopulate_pipes = true;
+		}
+		if (split[i] == 4) {
+			struct pipe_ctx *pipe_4to1;
+
+			if (odm && old_pipe->next_odm_pipe)
+				old_index = old_pipe->next_odm_pipe->pipe_idx;
+			else if (!odm && old_pipe->bottom_pipe &&
+						old_pipe->bottom_pipe->plane_state == old_pipe->plane_state)
+				old_index = old_pipe->bottom_pipe->pipe_idx;
+			else
+				old_index = -1;
+			pipe_4to1 = dml_find_split_pipe(dc, context, old_index);
+			ASSERT(pipe_4to1);
+			if (!pipe_4to1)
+				goto validate_fail;
+			if (!dml_split_stream_for_mpc_or_odm(
+					dc, &context->res_ctx,
+					pipe, pipe_4to1, odm))
+				goto validate_fail;
+			newly_split[pipe_4to1->pipe_idx] = true;
+
+			if (odm && old_pipe->next_odm_pipe && old_pipe->next_odm_pipe->next_odm_pipe
+					&& old_pipe->next_odm_pipe->next_odm_pipe->next_odm_pipe)
+				old_index = old_pipe->next_odm_pipe->next_odm_pipe->next_odm_pipe->pipe_idx;
+			else if (!odm && old_pipe->bottom_pipe && old_pipe->bottom_pipe->bottom_pipe &&
+					old_pipe->bottom_pipe->bottom_pipe->bottom_pipe &&
+					old_pipe->bottom_pipe->bottom_pipe->bottom_pipe->plane_state == old_pipe->plane_state)
+				old_index = old_pipe->bottom_pipe->bottom_pipe->bottom_pipe->pipe_idx;
+			else
+				old_index = -1;
+			pipe_4to1 = dml_find_split_pipe(dc, context, old_index);
+			ASSERT(pipe_4to1);
+			if (!pipe_4to1)
+				goto validate_fail;
+			if (!dml_split_stream_for_mpc_or_odm(
+					dc, &context->res_ctx,
+					hsplit_pipe, pipe_4to1, odm))
+				goto validate_fail;
+			newly_split[pipe_4to1->pipe_idx] = true;
+		}
+		if (odm)
+			dml_build_mapped_resource(dc, context, pipe->stream);
+	}
+
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
+		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
+
+		if (pipe->plane_state) {
+			if (!resource_build_scaling_params(pipe))
+				goto validate_fail;
+		}
+	}
+
+	/* Actual dsc count per stream dsc validation*/
+	if (!dml_validate_dsc(dc, context)) {
+		vba->ValidationStatus[vba->soc.num_states] = DML_FAIL_DSC_VALIDATION_FAILURE;
+		goto validate_fail;
+	}
+
+	if (repopulate_pipes)
+		pipe_cnt = dml_populate_dml_pipes_from_context(dc, context, pipes, fast_validate);
+	*vlevel_out = vlevel;
+	*pipe_cnt_out = pipe_cnt;
+
+	out = true;
+	goto validate_out;
+
+validate_fail:
+	out = false;
+
+validate_out:
+	return out;
+}
+
+static void dml_calculate_dlg_params(
+		struct dc *dc, struct dc_state *context,
+		display_e2e_pipe_params_st *pipes,
+		int pipe_cnt,
+		int vlevel)
+{
+	int i, pipe_idx;
+	int plane_count;
+
+	/* Writeback MCIF_WB arbitration parameters */
+	if (dc->res_pool)
+		dc->res_pool->funcs->set_mcif_arb_params(dc, context, pipes, pipe_cnt);
+
+	context->bw_ctx.bw.dcn.clk.dispclk_khz = context->bw_ctx.dml.vba.DISPCLK * 1000;
+	context->bw_ctx.bw.dcn.clk.dcfclk_khz = context->bw_ctx.dml.vba.DCFCLK * 1000;
+	context->bw_ctx.bw.dcn.clk.socclk_khz = context->bw_ctx.dml.vba.SOCCLK * 1000;
+	context->bw_ctx.bw.dcn.clk.dramclk_khz = context->bw_ctx.dml.vba.DRAMSpeed * 1000 / 16;
+	context->bw_ctx.bw.dcn.clk.dcfclk_deep_sleep_khz = context->bw_ctx.dml.vba.DCFCLKDeepSleep * 1000;
+	context->bw_ctx.bw.dcn.clk.fclk_khz = context->bw_ctx.dml.vba.FabricClock * 1000;
+	context->bw_ctx.bw.dcn.clk.p_state_change_support =
+		context->bw_ctx.dml.vba.DRAMClockChangeSupport[vlevel][context->bw_ctx.dml.vba.maxMpcComb]
+							!= dm_dram_clock_change_unsupported;
+
+	context->bw_ctx.bw.dcn.clk.dppclk_khz = 0;
+	/* 'z9_support': is not a member of 'dc_clocks' - Commenting out till we have this support in dc_clocks
+	 * context->bw_ctx.bw.dcn.clk.z9_support = (context->bw_ctx.dml.vba.StutterPeriod > 5000.0) ?
+			DCN_Z9_SUPPORT_ALLOW : DCN_Z9_SUPPORT_DISALLOW;
+	*/
+	plane_count = 0;
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
+		if (context->res_ctx.pipe_ctx[i].plane_state)
+			plane_count++;
+	}
+
+	/* Commented out as per above error for now.
+	if (plane_count == 0)
+		context->bw_ctx.bw.dcn.clk.z9_support = DCN_Z9_SUPPORT_ALLOW;
+	*/
+	context->bw_ctx.bw.dcn.clk.dtbclk_en = is_dtbclk_required(dc, context);
+	/* TODO : Uncomment the below line and make changes
+	 * as per DML nomenclature once it is available.
+	 * context->bw_ctx.bw.dcn.clk.fclk_p_state_change_support = context->bw_ctx.dml.vba.fclk_pstate_support;
+	 */
+
+	if (context->bw_ctx.bw.dcn.clk.dispclk_khz < dc->debug.min_disp_clk_khz)
+		context->bw_ctx.bw.dcn.clk.dispclk_khz = dc->debug.min_disp_clk_khz;
+
+	for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
+		if (!context->res_ctx.pipe_ctx[i].stream)
+			continue;
+		pipes[pipe_idx].pipe.dest.vstartup_start = get_vstartup(&context->bw_ctx.dml, pipes, pipe_cnt, pipe_idx);
+		pipes[pipe_idx].pipe.dest.vupdate_offset = get_vupdate_offset(&context->bw_ctx.dml, pipes, pipe_cnt, pipe_idx);
+		pipes[pipe_idx].pipe.dest.vupdate_width = get_vupdate_width(&context->bw_ctx.dml, pipes, pipe_cnt, pipe_idx);
+		pipes[pipe_idx].pipe.dest.vready_offset = get_vready_offset(&context->bw_ctx.dml, pipes, pipe_cnt, pipe_idx);
+		if (context->res_ctx.pipe_ctx[i].stream->mall_stream_config.type == SUBVP_PHANTOM) {
+			// Phantom pipe requires that DET_SIZE = 0 and no unbounded requests
+			context->res_ctx.pipe_ctx[i].det_buffer_size_kb = 0;
+			context->res_ctx.pipe_ctx[i].unbounded_req = false;
+		} else {
+			context->res_ctx.pipe_ctx[i].det_buffer_size_kb = context->bw_ctx.dml.ip.det_buffer_size_kbytes;
+			context->res_ctx.pipe_ctx[i].unbounded_req = pipes[pipe_idx].pipe.src.unbounded_req_mode;
+		}
+
+		if (context->bw_ctx.bw.dcn.clk.dppclk_khz < pipes[pipe_idx].clks_cfg.dppclk_mhz * 1000)
+			context->bw_ctx.bw.dcn.clk.dppclk_khz = pipes[pipe_idx].clks_cfg.dppclk_mhz * 1000;
+		context->res_ctx.pipe_ctx[i].plane_res.bw.dppclk_khz =
+						pipes[pipe_idx].clks_cfg.dppclk_mhz * 1000;
+		context->res_ctx.pipe_ctx[i].pipe_dlg_param = pipes[pipe_idx].pipe.dest;
+		pipe_idx++;
+	}
+	/*save a original dppclock copy*/
+	context->bw_ctx.bw.dcn.clk.bw_dppclk_khz = context->bw_ctx.bw.dcn.clk.dppclk_khz;
+	context->bw_ctx.bw.dcn.clk.bw_dispclk_khz = context->bw_ctx.bw.dcn.clk.dispclk_khz;
+	context->bw_ctx.bw.dcn.clk.max_supported_dppclk_khz = context->bw_ctx.dml.soc.clock_limits[vlevel].dppclk_mhz * 1000;
+	context->bw_ctx.bw.dcn.clk.max_supported_dispclk_khz = context->bw_ctx.dml.soc.clock_limits[vlevel].dispclk_mhz * 1000;
+	context->bw_ctx.bw.dcn.compbuf_size_kb = context->bw_ctx.dml.ip.config_return_buffer_size_in_kbytes
+						- context->bw_ctx.dml.ip.det_buffer_size_kbytes * pipe_idx;
+
+	for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
+		bool cstate_en = context->bw_ctx.dml.vba.PrefetchMode[vlevel][context->bw_ctx.dml.vba.maxMpcComb] != 2;
+
+		if (!context->res_ctx.pipe_ctx[i].stream)
+			continue;
+
+		context->bw_ctx.dml.funcs.rq_dlg_get_dlg_reg(&context->bw_ctx.dml,
+				&context->res_ctx.pipe_ctx[i].dlg_regs,
+				&context->res_ctx.pipe_ctx[i].ttu_regs,
+				pipes,
+				pipe_cnt,
+				pipe_idx,
+				cstate_en,
+				context->bw_ctx.bw.dcn.clk.p_state_change_support,
+				false, false, true);
+
+		context->bw_ctx.dml.funcs.rq_dlg_get_rq_reg(&context->bw_ctx.dml,
+				&context->res_ctx.pipe_ctx[i].rq_regs,
+				&pipes[pipe_idx].pipe);
+		pipe_idx++;
+	}
+}
+
+static void dml_calculate_wm_and_dlg(
+		struct dc *dc, struct dc_state *context,
+		display_e2e_pipe_params_st *pipes,
+		int pipe_cnt,
+		int vlevel)
+{
+	int i, pipe_idx, vlevel_temp = 0;
+
+	double dcfclk = context->bw_ctx.dml.soc.clock_limits[0].dcfclk_mhz;
+	double dcfclk_from_validation = context->bw_ctx.dml.vba.DCFCLKState[vlevel][context->bw_ctx.dml.vba.maxMpcComb];
+	unsigned int min_dram_speed_mts = context->bw_ctx.dml.vba.DRAMSpeed;
+	bool pstate_en = context->bw_ctx.dml.vba.DRAMClockChangeSupport[vlevel][context->bw_ctx.dml.vba.maxMpcComb] !=
+			dm_dram_clock_change_unsupported;
+
+	/* Set B:
+	 * For Set B calculations use clocks from clock_limits[2] when available i.e. when SMU is present,
+	 * otherwise use arbitrary low value from spreadsheet for DCFCLK as lower is safer for watermark
+	 * calculations to cover bootup clocks.
+	 * DCFCLK: soc.clock_limits[2] when available
+	 * UCLK: soc.clock_limits[2] when available
+	 */
+	if (context->bw_ctx.dml.soc.num_states > 2) {
+		vlevel_temp = 2;
+		dcfclk = context->bw_ctx.dml.soc.clock_limits[2].dcfclk_mhz;
+	} else
+		dcfclk = 615; //DCFCLK Vmin_lv
+
+	pipes[0].clks_cfg.voltage = vlevel_temp;
+	pipes[0].clks_cfg.dcfclk_mhz = dcfclk;
+	pipes[0].clks_cfg.socclk_mhz = context->bw_ctx.dml.soc.clock_limits[vlevel_temp].socclk_mhz;
+
+	if (dc->clk_mgr->bw_params->wm_table.nv_entries[WM_B].valid) {
+		context->bw_ctx.dml.soc.dram_clock_change_latency_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_B].dml_input.pstate_latency_us;
+		context->bw_ctx.dml.soc.sr_enter_plus_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_B].dml_input.sr_enter_plus_exit_time_us;
+		context->bw_ctx.dml.soc.sr_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_B].dml_input.sr_exit_time_us;
+	}
+	context->bw_ctx.bw.dcn.watermarks.b.urgent_ns = get_wm_urgent(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	context->bw_ctx.bw.dcn.watermarks.b.cstate_pstate.cstate_enter_plus_exit_ns = get_wm_stutter_enter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	context->bw_ctx.bw.dcn.watermarks.b.cstate_pstate.cstate_exit_ns = get_wm_stutter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	context->bw_ctx.bw.dcn.watermarks.b.cstate_pstate.pstate_change_ns = get_wm_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	context->bw_ctx.bw.dcn.watermarks.b.pte_meta_urgent_ns = get_wm_memory_trip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	context->bw_ctx.bw.dcn.watermarks.b.frac_urg_bw_nom = get_fraction_of_urgent_bandwidth(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	context->bw_ctx.bw.dcn.watermarks.b.frac_urg_bw_flip = get_fraction_of_urgent_bandwidth_imm_flip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	context->bw_ctx.bw.dcn.watermarks.b.urgent_latency_ns = get_urgent_latency(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	//context->bw_ctx.bw.dcn.watermarks.b.cstate_pstate.fclk_pstate_change_ns = get_wm_fclk_pstate(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	//context->bw_ctx.bw.dcn.watermarks.b.usr_retraining_ns = get_wm_usr_retraining(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+
+	/* Temporary, to have some fclk_pstate_change_ns and usr_retraining_ns wm values until DML is implemented */
+	context->bw_ctx.bw.dcn.watermarks.b.cstate_pstate.fclk_pstate_change_ns = context->bw_ctx.bw.dcn.watermarks.b.cstate_pstate.pstate_change_ns / 4;
+	context->bw_ctx.bw.dcn.watermarks.b.usr_retraining_ns = context->bw_ctx.bw.dcn.watermarks.b.cstate_pstate.pstate_change_ns / 8;
+
+	/* Set D:
+	 * All clocks min.
+	 * DCFCLK: Min, as reported by PM FW when available
+	 * UCLK  : Min, as reported by PM FW when available
+	 * sr_enter_exit/sr_exit should be lower than used for DRAM (TBD after bringup or later, use as decided in Clk Mgr)
+	 */
+
+	if (context->bw_ctx.dml.soc.num_states > 2) {
+		vlevel_temp = 0;
+		dcfclk = dc->clk_mgr->bw_params->clk_table.entries[0].dcfclk_mhz;
+	} else
+		dcfclk = 615; //DCFCLK Vmin_lv
+
+	pipes[0].clks_cfg.voltage = vlevel_temp;
+	pipes[0].clks_cfg.dcfclk_mhz = dcfclk;
+	pipes[0].clks_cfg.socclk_mhz = context->bw_ctx.dml.soc.clock_limits[vlevel_temp].socclk_mhz;
+
+	if (dc->clk_mgr->bw_params->wm_table.nv_entries[WM_D].valid) {
+		context->bw_ctx.dml.soc.dram_clock_change_latency_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_D].dml_input.pstate_latency_us;
+		context->bw_ctx.dml.soc.sr_enter_plus_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_D].dml_input.sr_enter_plus_exit_time_us;
+		context->bw_ctx.dml.soc.sr_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_D].dml_input.sr_exit_time_us;
+	}
+	context->bw_ctx.bw.dcn.watermarks.d.urgent_ns = get_wm_urgent(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	context->bw_ctx.bw.dcn.watermarks.d.cstate_pstate.cstate_enter_plus_exit_ns = get_wm_stutter_enter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	context->bw_ctx.bw.dcn.watermarks.d.cstate_pstate.cstate_exit_ns = get_wm_stutter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	context->bw_ctx.bw.dcn.watermarks.d.cstate_pstate.pstate_change_ns = get_wm_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	context->bw_ctx.bw.dcn.watermarks.d.pte_meta_urgent_ns = get_wm_memory_trip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	context->bw_ctx.bw.dcn.watermarks.d.frac_urg_bw_nom = get_fraction_of_urgent_bandwidth(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	context->bw_ctx.bw.dcn.watermarks.d.frac_urg_bw_flip = get_fraction_of_urgent_bandwidth_imm_flip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	context->bw_ctx.bw.dcn.watermarks.d.urgent_latency_ns = get_urgent_latency(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	//context->bw_ctx.bw.dcn.watermarks.d.cstate_pstate.fclk_pstate_change_ns = get_wm_fclk_pstate(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	//context->bw_ctx.bw.dcn.watermarks.d.usr_retraining_ns = get_wm_usr_retraining(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+
+	/* Temporary, to have some fclk_pstate_change_ns and usr_retraining_ns wm values until DML is implemented */
+	context->bw_ctx.bw.dcn.watermarks.d.cstate_pstate.fclk_pstate_change_ns = context->bw_ctx.bw.dcn.watermarks.d.cstate_pstate.pstate_change_ns / 4;
+	context->bw_ctx.bw.dcn.watermarks.d.usr_retraining_ns = context->bw_ctx.bw.dcn.watermarks.d.cstate_pstate.pstate_change_ns / 8;
+
+	/* Set C, for Dummy P-State:
+	 * All clocks min.
+	 * DCFCLK: Min, as reported by PM FW, when available
+	 * UCLK  : Min,  as reported by PM FW, when available
+	 * pstate latency as per UCLK state dummy pstate latency
+	 */
+	if (dc->clk_mgr->bw_params->wm_table.nv_entries[WM_C].valid) {
+		unsigned int min_dram_speed_mts_margin = 160;
+
+		if ((!pstate_en))
+			min_dram_speed_mts = dc->clk_mgr->bw_params->clk_table.entries[dc->clk_mgr->bw_params->clk_table.num_entries - 1].memclk_mhz * 16;
+
+		/* find largest table entry that is lower than dram speed, but lower than DPM0 still uses DPM0 */
+		for (i = 3; i > 0; i--)
+			if (min_dram_speed_mts + min_dram_speed_mts_margin > dc->clk_mgr->bw_params->dummy_pstate_table[i].dram_speed_mts)
+				break;
+
+		context->bw_ctx.dml.soc.dram_clock_change_latency_us = dc->clk_mgr->bw_params->dummy_pstate_table[i].dummy_pstate_latency_us;
+		context->bw_ctx.dml.soc.dummy_pstate_latency_us = dc->clk_mgr->bw_params->dummy_pstate_table[i].dummy_pstate_latency_us;
+		context->bw_ctx.dml.soc.sr_enter_plus_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_C].dml_input.sr_enter_plus_exit_time_us;
+		context->bw_ctx.dml.soc.sr_exit_time_us = dc->clk_mgr->bw_params->wm_table.nv_entries[WM_C].dml_input.sr_exit_time_us;
+	}
+	context->bw_ctx.bw.dcn.watermarks.c.urgent_ns = get_wm_urgent(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	context->bw_ctx.bw.dcn.watermarks.c.cstate_pstate.cstate_enter_plus_exit_ns = get_wm_stutter_enter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	context->bw_ctx.bw.dcn.watermarks.c.cstate_pstate.cstate_exit_ns = get_wm_stutter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	context->bw_ctx.bw.dcn.watermarks.c.cstate_pstate.pstate_change_ns = get_wm_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	context->bw_ctx.bw.dcn.watermarks.c.pte_meta_urgent_ns = get_wm_memory_trip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	context->bw_ctx.bw.dcn.watermarks.c.frac_urg_bw_nom = get_fraction_of_urgent_bandwidth(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	context->bw_ctx.bw.dcn.watermarks.c.frac_urg_bw_flip = get_fraction_of_urgent_bandwidth_imm_flip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	context->bw_ctx.bw.dcn.watermarks.c.urgent_latency_ns = get_urgent_latency(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	//context->bw_ctx.bw.dcn.watermarks.c.cstate_pstate.fclk_pstate_change_ns = get_wm_fclk_pstate(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	//context->bw_ctx.bw.dcn.watermarks.c.usr_retraining_ns = get_wm_usr_retraining(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+
+	/* Temporary, to have some fclk_pstate_change_ns and usr_retraining_ns wm values until DML is implemented */
+	context->bw_ctx.bw.dcn.watermarks.c.cstate_pstate.fclk_pstate_change_ns = context->bw_ctx.bw.dcn.watermarks.c.cstate_pstate.pstate_change_ns / 4;
+	context->bw_ctx.bw.dcn.watermarks.c.usr_retraining_ns = context->bw_ctx.bw.dcn.watermarks.c.cstate_pstate.pstate_change_ns / 8;
+
+	if ((!pstate_en) && (dc->clk_mgr->bw_params->wm_table.nv_entries[WM_C].valid)) {
+		/* The only difference between A and C is p-state latency, if p-state is not supported
+		 * with full p-state latency we want to calculate DLG based on dummy p-state latency,
+		 * Set A p-state watermark set to 0 previously, when p-state unsupported, for now keep as previous implementation.
+		 */
+		context->bw_ctx.bw.dcn.watermarks.a = context->bw_ctx.bw.dcn.watermarks.c;
+		context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns = 0;
+	} else {
+		/* Set A:
+		 * All clocks min.
+		 * DCFCLK: Min, as reported by PM FW, when available
+		 * UCLK: Min, as reported by PM FW, when available
+		 */
+		dml_update_soc_for_wm_a(dc, context);
+		context->bw_ctx.bw.dcn.watermarks.a.urgent_ns = get_wm_urgent(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+		context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.cstate_enter_plus_exit_ns = get_wm_stutter_enter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+		context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.cstate_exit_ns = get_wm_stutter_exit(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+		context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns = get_wm_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+		context->bw_ctx.bw.dcn.watermarks.a.pte_meta_urgent_ns = get_wm_memory_trip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+		context->bw_ctx.bw.dcn.watermarks.a.frac_urg_bw_nom = get_fraction_of_urgent_bandwidth(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+		context->bw_ctx.bw.dcn.watermarks.a.frac_urg_bw_flip = get_fraction_of_urgent_bandwidth_imm_flip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+		context->bw_ctx.bw.dcn.watermarks.a.urgent_latency_ns = get_urgent_latency(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+	}
+
+	pipes[0].clks_cfg.voltage = vlevel;
+	pipes[0].clks_cfg.dcfclk_mhz = dcfclk_from_validation;
+	pipes[0].clks_cfg.socclk_mhz = context->bw_ctx.dml.soc.clock_limits[vlevel].socclk_mhz;
+
+	for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
+		if (!context->res_ctx.pipe_ctx[i].stream)
+			continue;
+
+		pipes[pipe_idx].clks_cfg.dispclk_mhz = get_dispclk_calculated(&context->bw_ctx.dml, pipes, pipe_cnt);
+		pipes[pipe_idx].clks_cfg.dppclk_mhz = get_dppclk_calculated(&context->bw_ctx.dml, pipes, pipe_cnt, pipe_idx);
+
+		if (dc->config.forced_clocks) {
+			pipes[pipe_idx].clks_cfg.dispclk_mhz = context->bw_ctx.dml.soc.clock_limits[0].dispclk_mhz;
+			pipes[pipe_idx].clks_cfg.dppclk_mhz = context->bw_ctx.dml.soc.clock_limits[0].dppclk_mhz;
+		}
+		if (dc->debug.min_disp_clk_khz > pipes[pipe_idx].clks_cfg.dispclk_mhz * 1000)
+			pipes[pipe_idx].clks_cfg.dispclk_mhz = dc->debug.min_disp_clk_khz / 1000.0;
+		if (dc->debug.min_dpp_clk_khz > pipes[pipe_idx].clks_cfg.dppclk_mhz * 1000)
+			pipes[pipe_idx].clks_cfg.dppclk_mhz = dc->debug.min_dpp_clk_khz / 1000.0;
+
+		pipe_idx++;
+	}
+
+	context->perf_params.stutter_period_us = context->bw_ctx.dml.vba.StutterPeriod;
+
+	dml_calculate_dlg_params(dc, context, pipes, pipe_cnt, vlevel);
+
+	if (!pstate_en)
+		/* Restore full p-state latency */
+		context->bw_ctx.dml.soc.dram_clock_change_latency_us =
+				dc->clk_mgr->bw_params->wm_table.nv_entries[WM_A].dml_input.pstate_latency_us;
+}
+
+bool dml_validate(struct dc *dc,
+		struct dc_state *context,
+		bool fast_validate)
+{
+	bool out = false;
+
+	BW_VAL_TRACE_SETUP();
+
+	int vlevel = 0;
+	int pipe_cnt = 0;
+	display_e2e_pipe_params_st *pipes = context->bw_ctx.dml.dml_pipe_state;
+	DC_LOGGER_INIT(dc->ctx->logger);
+
+	BW_VAL_TRACE_COUNT();
+
+	out = dml_internal_validate(dc, context, pipes, &pipe_cnt, &vlevel, fast_validate);
+
+	if (pipe_cnt == 0)
+		goto validate_out;
+
+	if (!out)
+		goto validate_fail;
+
+	BW_VAL_TRACE_END_VOLTAGE_LEVEL();
+
+	if (fast_validate) {
+		BW_VAL_TRACE_SKIP(fast);
+		goto validate_out;
+	}
+
+	dml_calculate_wm_and_dlg(dc, context, pipes, pipe_cnt, vlevel);
+
+	BW_VAL_TRACE_END_WATERMARKS();
+
+	goto validate_out;
+
+validate_fail:
+	DC_LOG_WARNING("Mode Validation Warning: %s failed validation.\n",
+		dml_get_status_message(context->bw_ctx.dml.vba.ValidationStatus[context->bw_ctx.dml.vba.soc.num_states]));
+
+	BW_VAL_TRACE_SKIP(fail);
+	out = false;
+
+validate_out:
+	BW_VAL_TRACE_FINISH();
+
+	return out;
+}

drivers/gpu/drm/amd/display/dc/dml/dml_wrapper_translation.c

+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifdef DML_WRAPPER_TRANSLATION_
+
+static void gfx10array_mode_to_dml_params(
+		enum array_mode_values array_mode,
+		enum legacy_tiling_compat_level compat_level,
+		unsigned int *sw_mode)
+{
+	switch (array_mode) {
+	case DC_ARRAY_LINEAR_ALLIGNED:
+	case DC_ARRAY_LINEAR_GENERAL:
+		*sw_mode = dm_sw_linear;
+		break;
+	case DC_ARRAY_2D_TILED_THIN1:
+// DC_LEGACY_TILING_ADDR_GEN_ZERO - undefined as per current code hence removed
+#if 0
+		if (compat_level == DC_LEGACY_TILING_ADDR_GEN_ZERO)
+			*sw_mode = dm_sw_gfx7_2d_thin_l_vp;
+		else
+			*sw_mode = dm_sw_gfx7_2d_thin_gl;
+#endif
+		break;
+	default:
+		ASSERT(0); /* Not supported */
+		break;
+	}
+}
+
+static void swizzle_to_dml_params(
+		enum swizzle_mode_values swizzle,
+		unsigned int *sw_mode)
+{
+	switch (swizzle) {
+	case DC_SW_LINEAR:
+		*sw_mode = dm_sw_linear;
+		break;
+	case DC_SW_4KB_S:
+		*sw_mode = dm_sw_4kb_s;
+		break;
+	case DC_SW_4KB_S_X:
+		*sw_mode = dm_sw_4kb_s_x;
+		break;
+	case DC_SW_4KB_D:
+		*sw_mode = dm_sw_4kb_d;
+		break;
+	case DC_SW_4KB_D_X:
+		*sw_mode = dm_sw_4kb_d_x;
+		break;
+	case DC_SW_64KB_S:
+		*sw_mode = dm_sw_64kb_s;
+		break;
+	case DC_SW_64KB_S_X:
+		*sw_mode = dm_sw_64kb_s_x;
+		break;
+	case DC_SW_64KB_S_T:
+		*sw_mode = dm_sw_64kb_s_t;
+		break;
+	case DC_SW_64KB_D:
+		*sw_mode = dm_sw_64kb_d;
+		break;
+	case DC_SW_64KB_D_X:
+		*sw_mode = dm_sw_64kb_d_x;
+		break;
+	case DC_SW_64KB_D_T:
+		*sw_mode = dm_sw_64kb_d_t;
+		break;
+	case DC_SW_64KB_R_X:
+		*sw_mode = dm_sw_64kb_r_x;
+		break;
+	case DC_SW_VAR_S:
+		*sw_mode = dm_sw_var_s;
+		break;
+	case DC_SW_VAR_S_X:
+		*sw_mode = dm_sw_var_s_x;
+		break;
+	case DC_SW_VAR_D:
+		*sw_mode = dm_sw_var_d;
+		break;
+	case DC_SW_VAR_D_X:
+		*sw_mode = dm_sw_var_d_x;
+		break;
+
+	default:
+		ASSERT(0); /* Not supported */
+		break;
+	}
+}
+
+static void dc_timing_to_dml_timing(const struct dc_crtc_timing *timing, struct _vcs_dpi_display_pipe_dest_params_st *dest)
+{
+	dest->hblank_start = timing->h_total - timing->h_front_porch;
+	dest->hblank_end = dest->hblank_start
+			- timing->h_addressable
+			- timing->h_border_left
+			- timing->h_border_right;
+	dest->vblank_start = timing->v_total - timing->v_front_porch;
+	dest->vblank_end = dest->vblank_start
+			- timing->v_addressable
+			- timing->v_border_top
+			- timing->v_border_bottom;
+	dest->htotal = timing->h_total;
+	dest->vtotal = timing->v_total;
+	dest->hactive = timing->h_addressable;
+	dest->vactive = timing->v_addressable;
+	dest->interlaced = timing->flags.INTERLACE;
+	dest->pixel_rate_mhz = timing->pix_clk_100hz/10000.0;
+	if (timing->timing_3d_format == TIMING_3D_FORMAT_HW_FRAME_PACKING)
+		dest->pixel_rate_mhz *= 2;
+}
+
+static enum odm_combine_mode get_dml_odm_combine(const struct pipe_ctx *pipe)
+{
+	int odm_split_count = 0;
+	enum odm_combine_mode combine_mode = dm_odm_combine_mode_disabled;
+	struct pipe_ctx *next_pipe = pipe->next_odm_pipe;
+
+	// Traverse pipe tree to determine odm split count
+	while (next_pipe) {
+		odm_split_count++;
+		next_pipe = next_pipe->next_odm_pipe;
+	}
+	pipe = pipe->prev_odm_pipe;
+	while (pipe) {
+		odm_split_count++;
+		pipe = pipe->prev_odm_pipe;
+	}
+
+	// Translate split to DML odm combine factor
+	switch (odm_split_count) {
+	case 1:
+		combine_mode = dm_odm_combine_mode_2to1;
+		break;
+	case 3:
+		combine_mode = dm_odm_combine_mode_4to1;
+		break;
+	default:
+		combine_mode = dm_odm_combine_mode_disabled;
+	}
+
+	return combine_mode;
+}
+
+static int get_dml_output_type(enum signal_type dc_signal)
+{
+	int dml_output_type = -1;
+
+	switch (dc_signal) {
+	case SIGNAL_TYPE_DISPLAY_PORT_MST:
+	case SIGNAL_TYPE_DISPLAY_PORT:
+		dml_output_type = dm_dp;
+		break;
+	case SIGNAL_TYPE_EDP:
+		dml_output_type = dm_edp;
+		break;
+	case SIGNAL_TYPE_HDMI_TYPE_A:
+	case SIGNAL_TYPE_DVI_SINGLE_LINK:
+	case SIGNAL_TYPE_DVI_DUAL_LINK:
+		dml_output_type = dm_hdmi;
+		break;
+	default:
+		break;
+	}
+
+	return dml_output_type;
+}
+
+static void populate_color_depth_and_encoding_from_timing(const struct dc_crtc_timing *timing, struct _vcs_dpi_display_output_params_st *dout)
+{
+	int output_bpc = 0;
+
+	switch (timing->display_color_depth) {
+	case COLOR_DEPTH_666:
+		output_bpc = 6;
+		break;
+	case COLOR_DEPTH_888:
+		output_bpc = 8;
+		break;
+	case COLOR_DEPTH_101010:
+		output_bpc = 10;
+		break;
+	case COLOR_DEPTH_121212:
+		output_bpc = 12;
+		break;
+	case COLOR_DEPTH_141414:
+		output_bpc = 14;
+		break;
+	case COLOR_DEPTH_161616:
+		output_bpc = 16;
+		break;
+	case COLOR_DEPTH_999:
+		output_bpc = 9;
+		break;
+	case COLOR_DEPTH_111111:
+		output_bpc = 11;
+		break;
+	default:
+		output_bpc = 8;
+		break;
+	}
+
+	switch (timing->pixel_encoding) {
+	case PIXEL_ENCODING_RGB:
+	case PIXEL_ENCODING_YCBCR444:
+		dout->output_format = dm_444;
+		dout->output_bpp = output_bpc * 3;
+		break;
+	case PIXEL_ENCODING_YCBCR420:
+		dout->output_format = dm_420;
+		dout->output_bpp = (output_bpc * 3.0) / 2;
+		break;
+	case PIXEL_ENCODING_YCBCR422:
+		if (timing->flags.DSC && !timing->dsc_cfg.ycbcr422_simple)
+			dout->output_format = dm_n422;
+		else
+			dout->output_format = dm_s422;
+		dout->output_bpp = output_bpc * 2;
+		break;
+	default:
+		dout->output_format = dm_444;
+		dout->output_bpp = output_bpc * 3;
+	}
+}
+
+static enum source_format_class dc_source_format_to_dml_source_format(enum surface_pixel_format dc_format)
+{
+	enum source_format_class dml_format = dm_444_32;
+
+	switch (dc_format) {
+	case SURFACE_PIXEL_FORMAT_VIDEO_420_YCbCr:
+	case SURFACE_PIXEL_FORMAT_VIDEO_420_YCrCb:
+		dml_format = dm_420_8;
+		break;
+	case SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCbCr:
+	case SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCrCb:
+		dml_format = dm_420_10;
+		break;
+	case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616:
+	case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616F:
+	case SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616F:
+		dml_format = dm_444_64;
+		break;
+	case SURFACE_PIXEL_FORMAT_GRPH_ARGB1555:
+	case SURFACE_PIXEL_FORMAT_GRPH_RGB565:
+		dml_format = dm_444_16;
+		break;
+	case SURFACE_PIXEL_FORMAT_GRPH_PALETA_256_COLORS:
+		dml_format = dm_444_8;
+		break;
+	case SURFACE_PIXEL_FORMAT_GRPH_RGBE_ALPHA:
+		dml_format = dm_rgbe_alpha;
+		break;
+	default:
+		dml_format = dm_444_32;
+		break;
+	}
+
+	return dml_format;
+}
+
+#endif

drivers/gpu/drm/amd/display/dc/inc/dml_wrapper.h

+/*
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef DML_WRAPPER_H_
+#define DML_WRAPPER_H_
+
+#include "dc.h"
+#include "dml/display_mode_vba.h"
+
+bool dml_validate(struct dc *dc, struct dc_state *context, bool fast_validate);
+
+#endif