drivers/gpu/drm/amd/display/dc/core/dc_stream.c - third_party/kernel - Git at Google

 /*
  * Copyright 2012-15 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 "dm_services.h"
 #include "dc.h"
 #include "core_types.h"
 #include "resource.h"
 #include "ipp.h"
 #include "timing_generator.h"

 /*******************************************************************************
  * Private functions
  ******************************************************************************/
 #define TMDS_MAX_PIXEL_CLOCK_IN_KHZ_UPMOST 297000
 static void update_stream_signal(struct dc_stream_state *stream)
 {

 	struct dc_sink *dc_sink = stream->sink;

 	if (dc_sink->sink_signal == SIGNAL_TYPE_NONE)
 		stream->signal = stream->sink->link->connector_signal;
 	else
 		stream->signal = dc_sink->sink_signal;

 	if (dc_is_dvi_signal(stream->signal)) {
 		if (stream->timing.pix_clk_khz > TMDS_MAX_PIXEL_CLOCK_IN_KHZ_UPMOST &&
 			stream->sink->sink_signal != SIGNAL_TYPE_DVI_SINGLE_LINK)
 			stream->signal = SIGNAL_TYPE_DVI_DUAL_LINK;
 		else
 			stream->signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
 	}
 }

 static void construct(struct dc_stream_state *stream,
 	struct dc_sink *dc_sink_data)
 {
 	uint32_t i = 0;

 	stream->sink = dc_sink_data;
 	stream->ctx = stream->sink->ctx;

 	dc_sink_retain(dc_sink_data);

 	/* Copy audio modes */
 	/* TODO - Remove this translation */
 	for (i = 0; i < (dc_sink_data->edid_caps.audio_mode_count); i++)
 	{
 		stream->audio_info.modes[i].channel_count = dc_sink_data->edid_caps.audio_modes[i].channel_count;
 		stream->audio_info.modes[i].format_code = dc_sink_data->edid_caps.audio_modes[i].format_code;
 		stream->audio_info.modes[i].sample_rates.all = dc_sink_data->edid_caps.audio_modes[i].sample_rate;
 		stream->audio_info.modes[i].sample_size = dc_sink_data->edid_caps.audio_modes[i].sample_size;
 	}
 	stream->audio_info.mode_count = dc_sink_data->edid_caps.audio_mode_count;
 	stream->audio_info.audio_latency = dc_sink_data->edid_caps.audio_latency;
 	stream->audio_info.video_latency = dc_sink_data->edid_caps.video_latency;
 	memmove(
 		stream->audio_info.display_name,
 		dc_sink_data->edid_caps.display_name,
 		AUDIO_INFO_DISPLAY_NAME_SIZE_IN_CHARS);
 	stream->audio_info.manufacture_id = dc_sink_data->edid_caps.manufacturer_id;
 	stream->audio_info.product_id = dc_sink_data->edid_caps.product_id;
 	stream->audio_info.flags.all = dc_sink_data->edid_caps.speaker_flags;

 	if (dc_sink_data->dc_container_id != NULL) {
 		struct dc_container_id *dc_container_id = dc_sink_data->dc_container_id;

 		stream->audio_info.port_id[0] = dc_container_id->portId[0];
 		stream->audio_info.port_id[1] = dc_container_id->portId[1];
 	} else {
 		/* TODO - WindowDM has implemented,
 		other DMs need Unhardcode port_id */
 		stream->audio_info.port_id[0] = 0x5558859e;
 		stream->audio_info.port_id[1] = 0xd989449;
 	}

 	/* EDID CAP translation for HDMI 2.0 */
 	stream->timing.flags.LTE_340MCSC_SCRAMBLE = dc_sink_data->edid_caps.lte_340mcsc_scramble;

 	stream->status.link = stream->sink->link;

 	update_stream_signal(stream);
 }

 static void destruct(struct dc_stream_state *stream)
 {
 	dc_sink_release(stream->sink);
 	if (stream->out_transfer_func != NULL) {
 		dc_transfer_func_release(
 				stream->out_transfer_func);
 		stream->out_transfer_func = NULL;
 	}
 }

 void dc_stream_retain(struct dc_stream_state *stream)
 {
 	kref_get(&stream->refcount);
 }

 static void dc_stream_free(struct kref *kref)
 {
 	struct dc_stream_state *stream = container_of(kref, struct dc_stream_state, refcount);

 	destruct(stream);
 	kfree(stream);
 }

 void dc_stream_release(struct dc_stream_state *stream)
 {
 	if (stream != NULL) {
 		kref_put(&stream->refcount, dc_stream_free);
 	}
 }

 struct dc_stream_state *dc_create_stream_for_sink(
 		struct dc_sink *sink)
 {
 	struct dc_stream_state *stream;

 	if (sink == NULL)
 		return NULL;

 	stream = kzalloc(sizeof(struct dc_stream_state), GFP_KERNEL);
 	if (stream == NULL)
 		return NULL;

 	construct(stream, sink);

 	kref_init(&stream->refcount);

 	return stream;
 }

 struct dc_stream_status *dc_stream_get_status(
 	struct dc_stream_state *stream)
 {
 	uint8_t i;
 	struct dc  *dc = stream->ctx->dc;

 	for (i = 0; i < dc->current_state->stream_count; i++) {
 		if (stream == dc->current_state->streams[i])
 			return &dc->current_state->stream_status[i];
 	}

 	return NULL;
 }

 /**
  * Update the cursor attributes and set cursor surface address
  */
 bool dc_stream_set_cursor_attributes(
 	struct dc_stream_state *stream,
 	const struct dc_cursor_attributes *attributes)
 {
 	int i;
 	struct dc  *core_dc;
 	struct resource_context *res_ctx;

 	if (NULL == stream) {
 		dm_error("DC: dc_stream is NULL!\n");
 		return false;
 	}
 	if (NULL == attributes) {
 		dm_error("DC: attributes is NULL!\n");
 		return false;
 	}

 	if (attributes->address.quad_part == 0) {
 		dm_output_to_console("DC: Cursor address is 0!\n");
 		return false;
 	}

 	core_dc = stream->ctx->dc;
 	res_ctx = &core_dc->current_state->res_ctx;

 	for (i = 0; i < MAX_PIPES; i++) {
 		struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];

 		if (pipe_ctx->stream != stream || (!pipe_ctx->plane_res.xfm && !pipe_ctx->plane_res.dpp))
 			continue;
 		if (pipe_ctx->top_pipe && pipe_ctx->plane_state != pipe_ctx->top_pipe->plane_state)
 			continue;


 		if (pipe_ctx->plane_res.ipp->funcs->ipp_cursor_set_attributes != NULL)
 			pipe_ctx->plane_res.ipp->funcs->ipp_cursor_set_attributes(
 						pipe_ctx->plane_res.ipp, attributes);

 		if (pipe_ctx->plane_res.hubp != NULL &&
 				pipe_ctx->plane_res.hubp->funcs->set_cursor_attributes != NULL)
 			pipe_ctx->plane_res.hubp->funcs->set_cursor_attributes(
 					pipe_ctx->plane_res.hubp, attributes);

 		if (pipe_ctx->plane_res.mi != NULL &&
 				pipe_ctx->plane_res.mi->funcs->set_cursor_attributes != NULL)
 			pipe_ctx->plane_res.mi->funcs->set_cursor_attributes(
 					pipe_ctx->plane_res.mi, attributes);


 		if (pipe_ctx->plane_res.xfm != NULL &&
 				pipe_ctx->plane_res.xfm->funcs->set_cursor_attributes != NULL)
 			pipe_ctx->plane_res.xfm->funcs->set_cursor_attributes(
 				pipe_ctx->plane_res.xfm, attributes);

 		if (pipe_ctx->plane_res.dpp != NULL &&
 				pipe_ctx->plane_res.dpp->funcs->set_cursor_attributes != NULL)
 			pipe_ctx->plane_res.dpp->funcs->set_cursor_attributes(
 				pipe_ctx->plane_res.dpp, attributes->color_format);
 	}

 	stream->cursor_attributes = *attributes;

 	return true;
 }

 bool dc_stream_set_cursor_position(
 	struct dc_stream_state *stream,
 	const struct dc_cursor_position *position)
 {
 	int i;
 	struct dc  *core_dc;
 	struct resource_context *res_ctx;

 	if (NULL == stream) {
 		dm_error("DC: dc_stream is NULL!\n");
 		return false;
 	}

 	if (NULL == position) {
 		dm_error("DC: cursor position is NULL!\n");
 		return false;
 	}

 	core_dc = stream->ctx->dc;
 	res_ctx = &core_dc->current_state->res_ctx;

 	for (i = 0; i < MAX_PIPES; i++) {
 		struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
 		struct input_pixel_processor *ipp = pipe_ctx->plane_res.ipp;
 		struct mem_input *mi = pipe_ctx->plane_res.mi;
 		struct hubp *hubp = pipe_ctx->plane_res.hubp;
 		struct dpp *dpp = pipe_ctx->plane_res.dpp;
 		struct dc_cursor_position pos_cpy = *position;
 		struct dc_cursor_mi_param param = {
 			.pixel_clk_khz = stream->timing.pix_clk_khz,
 			.ref_clk_khz = core_dc->res_pool->ref_clock_inKhz,
 			.viewport_x_start = pipe_ctx->plane_res.scl_data.viewport.x,
 			.viewport_width = pipe_ctx->plane_res.scl_data.viewport.width,
 			.h_scale_ratio = pipe_ctx->plane_res.scl_data.ratios.horz
 		};

 		if (pipe_ctx->stream != stream ||
 				(!pipe_ctx->plane_res.mi  && !pipe_ctx->plane_res.hubp) ||
 				!pipe_ctx->plane_state ||
 				(!pipe_ctx->plane_res.xfm && !pipe_ctx->plane_res.dpp))
 			continue;

 		if (pipe_ctx->plane_state->address.type
 				== PLN_ADDR_TYPE_VIDEO_PROGRESSIVE)
 			pos_cpy.enable = false;

 		if (pipe_ctx->top_pipe && pipe_ctx->plane_state != pipe_ctx->top_pipe->plane_state)
 			pos_cpy.enable = false;


 		if (ipp != NULL && ipp->funcs->ipp_cursor_set_position != NULL)
 			ipp->funcs->ipp_cursor_set_position(ipp, &pos_cpy, &param);

 		if (mi != NULL && mi->funcs->set_cursor_position != NULL)
 			mi->funcs->set_cursor_position(mi, &pos_cpy, &param);

 		if (!hubp)
 			continue;

 		if (hubp->funcs->set_cursor_position != NULL)
 			hubp->funcs->set_cursor_position(hubp, &pos_cpy, &param);

 		if (dpp != NULL && dpp->funcs->set_cursor_position != NULL)
 			dpp->funcs->set_cursor_position(dpp, &pos_cpy, &param, hubp->curs_attr.width);

 	}

 	stream->cursor_position = *position;

 	return true;
 }

 uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream)
 {
 	uint8_t i;
 	struct dc  *core_dc = stream->ctx->dc;
 	struct resource_context *res_ctx =
 		&core_dc->current_state->res_ctx;

 	for (i = 0; i < MAX_PIPES; i++) {
 		struct timing_generator *tg = res_ctx->pipe_ctx[i].stream_res.tg;

 		if (res_ctx->pipe_ctx[i].stream != stream)
 			continue;

 		return tg->funcs->get_frame_count(tg);
 	}

 	return 0;
 }

 bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream,
 				  uint32_t *v_blank_start,
 				  uint32_t *v_blank_end,
 				  uint32_t *h_position,
 				  uint32_t *v_position)
 {
 	uint8_t i;
 	bool ret = false;
 	struct dc  *core_dc = stream->ctx->dc;
 	struct resource_context *res_ctx =
 		&core_dc->current_state->res_ctx;

 	for (i = 0; i < MAX_PIPES; i++) {
 		struct timing_generator *tg = res_ctx->pipe_ctx[i].stream_res.tg;

 		if (res_ctx->pipe_ctx[i].stream != stream)
 			continue;

 		tg->funcs->get_scanoutpos(tg,
 					  v_blank_start,
 					  v_blank_end,
 					  h_position,
 					  v_position);

 		ret = true;
 		break;
 	}

 	return ret;
 }


 void dc_stream_log(
 	const struct dc_stream_state *stream,
 	struct dal_logger *dm_logger,
 	enum dc_log_type log_type)
 {

 	dm_logger_write(dm_logger,
 			log_type,
 			"core_stream 0x%x: src: %d, %d, %d, %d; dst: %d, %d, %d, %d, colorSpace:%d\n",
 			stream,
 			stream->src.x,
 			stream->src.y,
 			stream->src.width,
 			stream->src.height,
 			stream->dst.x,
 			stream->dst.y,
 			stream->dst.width,
 			stream->dst.height,
 			stream->output_color_space);
 	dm_logger_write(dm_logger,
 			log_type,
 			"\tpix_clk_khz: %d, h_total: %d, v_total: %d, pixelencoder:%d, displaycolorDepth:%d\n",
 			stream->timing.pix_clk_khz,
 			stream->timing.h_total,
 			stream->timing.v_total,
 			stream->timing.pixel_encoding,
 			stream->timing.display_color_depth);
 	dm_logger_write(dm_logger,
 			log_type,
 			"\tsink name: %s, serial: %d\n",
 			stream->sink->edid_caps.display_name,
 			stream->sink->edid_caps.serial_number);
 	dm_logger_write(dm_logger,
 			log_type,
 			"\tlink: %d\n",
 			stream->sink->link->link_index);
 }
	/*
	* Copyright 2012-15 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 "dm_services.h"
	#include "dc.h"
	#include "core_types.h"
	#include "resource.h"
	#include "ipp.h"
	#include "timing_generator.h"

	/*******************************************************************************
	* Private functions
	******************************************************************************/
	#define TMDS_MAX_PIXEL_CLOCK_IN_KHZ_UPMOST 297000
	static void update_stream_signal(struct dc_stream_state *stream)
	{

	struct dc_sink *dc_sink = stream->sink;

	if (dc_sink->sink_signal == SIGNAL_TYPE_NONE)
	stream->signal = stream->sink->link->connector_signal;
	else
	stream->signal = dc_sink->sink_signal;

	if (dc_is_dvi_signal(stream->signal)) {
	if (stream->timing.pix_clk_khz > TMDS_MAX_PIXEL_CLOCK_IN_KHZ_UPMOST &&
	stream->sink->sink_signal != SIGNAL_TYPE_DVI_SINGLE_LINK)
	stream->signal = SIGNAL_TYPE_DVI_DUAL_LINK;
	else
	stream->signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
	}
	}

	static void construct(struct dc_stream_state *stream,
	struct dc_sink *dc_sink_data)
	{
	uint32_t i = 0;

	stream->sink = dc_sink_data;
	stream->ctx = stream->sink->ctx;

	dc_sink_retain(dc_sink_data);

	/* Copy audio modes */
	/* TODO - Remove this translation */
	for (i = 0; i < (dc_sink_data->edid_caps.audio_mode_count); i++)
	{
	stream->audio_info.modes[i].channel_count = dc_sink_data->edid_caps.audio_modes[i].channel_count;
	stream->audio_info.modes[i].format_code = dc_sink_data->edid_caps.audio_modes[i].format_code;
	stream->audio_info.modes[i].sample_rates.all = dc_sink_data->edid_caps.audio_modes[i].sample_rate;
	stream->audio_info.modes[i].sample_size = dc_sink_data->edid_caps.audio_modes[i].sample_size;
	}
	stream->audio_info.mode_count = dc_sink_data->edid_caps.audio_mode_count;
	stream->audio_info.audio_latency = dc_sink_data->edid_caps.audio_latency;
	stream->audio_info.video_latency = dc_sink_data->edid_caps.video_latency;
	memmove(
	stream->audio_info.display_name,
	dc_sink_data->edid_caps.display_name,
	AUDIO_INFO_DISPLAY_NAME_SIZE_IN_CHARS);
	stream->audio_info.manufacture_id = dc_sink_data->edid_caps.manufacturer_id;
	stream->audio_info.product_id = dc_sink_data->edid_caps.product_id;
	stream->audio_info.flags.all = dc_sink_data->edid_caps.speaker_flags;

	if (dc_sink_data->dc_container_id != NULL) {
	struct dc_container_id *dc_container_id = dc_sink_data->dc_container_id;

	stream->audio_info.port_id[0] = dc_container_id->portId[0];
	stream->audio_info.port_id[1] = dc_container_id->portId[1];
	} else {
	/* TODO - WindowDM has implemented,
	other DMs need Unhardcode port_id */
	stream->audio_info.port_id[0] = 0x5558859e;
	stream->audio_info.port_id[1] = 0xd989449;
	}

	/* EDID CAP translation for HDMI 2.0 */
	stream->timing.flags.LTE_340MCSC_SCRAMBLE = dc_sink_data->edid_caps.lte_340mcsc_scramble;

	stream->status.link = stream->sink->link;

	update_stream_signal(stream);
	}

	static void destruct(struct dc_stream_state *stream)
	{
	dc_sink_release(stream->sink);
	if (stream->out_transfer_func != NULL) {
	dc_transfer_func_release(
	stream->out_transfer_func);
	stream->out_transfer_func = NULL;
	}
	}

	void dc_stream_retain(struct dc_stream_state *stream)
	{
	kref_get(&stream->refcount);
	}

	static void dc_stream_free(struct kref *kref)
	{
	struct dc_stream_state *stream = container_of(kref, struct dc_stream_state, refcount);

	destruct(stream);
	kfree(stream);
	}

	void dc_stream_release(struct dc_stream_state *stream)
	{
	if (stream != NULL) {
	kref_put(&stream->refcount, dc_stream_free);
	}
	}

	struct dc_stream_state *dc_create_stream_for_sink(
	struct dc_sink *sink)
	{
	struct dc_stream_state *stream;

	if (sink == NULL)
	return NULL;

	stream = kzalloc(sizeof(struct dc_stream_state), GFP_KERNEL);
	if (stream == NULL)
	return NULL;

	construct(stream, sink);

	kref_init(&stream->refcount);

	return stream;
	}

	struct dc_stream_status *dc_stream_get_status(
	struct dc_stream_state *stream)
	{
	uint8_t i;
	struct dc *dc = stream->ctx->dc;

	for (i = 0; i < dc->current_state->stream_count; i++) {
	if (stream == dc->current_state->streams[i])
	return &dc->current_state->stream_status[i];
	}

	return NULL;
	}

	/**
	* Update the cursor attributes and set cursor surface address
	*/
	bool dc_stream_set_cursor_attributes(
	struct dc_stream_state *stream,
	const struct dc_cursor_attributes *attributes)
	{
	int i;
	struct dc *core_dc;
	struct resource_context *res_ctx;

	if (NULL == stream) {
	dm_error("DC: dc_stream is NULL!\n");
	return false;
	}
	if (NULL == attributes) {
	dm_error("DC: attributes is NULL!\n");
	return false;
	}

	if (attributes->address.quad_part == 0) {
	dm_output_to_console("DC: Cursor address is 0!\n");
	return false;
	}

	core_dc = stream->ctx->dc;
	res_ctx = &core_dc->current_state->res_ctx;

	for (i = 0; i < MAX_PIPES; i++) {
	struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];

	if (pipe_ctx->stream != stream \|\| (!pipe_ctx->plane_res.xfm && !pipe_ctx->plane_res.dpp))
	continue;
	if (pipe_ctx->top_pipe && pipe_ctx->plane_state != pipe_ctx->top_pipe->plane_state)
	continue;


	if (pipe_ctx->plane_res.ipp->funcs->ipp_cursor_set_attributes != NULL)
	pipe_ctx->plane_res.ipp->funcs->ipp_cursor_set_attributes(
	pipe_ctx->plane_res.ipp, attributes);

	if (pipe_ctx->plane_res.hubp != NULL &&
	pipe_ctx->plane_res.hubp->funcs->set_cursor_attributes != NULL)
	pipe_ctx->plane_res.hubp->funcs->set_cursor_attributes(
	pipe_ctx->plane_res.hubp, attributes);

	if (pipe_ctx->plane_res.mi != NULL &&
	pipe_ctx->plane_res.mi->funcs->set_cursor_attributes != NULL)
	pipe_ctx->plane_res.mi->funcs->set_cursor_attributes(
	pipe_ctx->plane_res.mi, attributes);


	if (pipe_ctx->plane_res.xfm != NULL &&
	pipe_ctx->plane_res.xfm->funcs->set_cursor_attributes != NULL)
	pipe_ctx->plane_res.xfm->funcs->set_cursor_attributes(
	pipe_ctx->plane_res.xfm, attributes);

	if (pipe_ctx->plane_res.dpp != NULL &&
	pipe_ctx->plane_res.dpp->funcs->set_cursor_attributes != NULL)
	pipe_ctx->plane_res.dpp->funcs->set_cursor_attributes(
	pipe_ctx->plane_res.dpp, attributes->color_format);
	}

	stream->cursor_attributes = *attributes;

	return true;
	}

	bool dc_stream_set_cursor_position(
	struct dc_stream_state *stream,
	const struct dc_cursor_position *position)
	{
	int i;
	struct dc *core_dc;
	struct resource_context *res_ctx;

	if (NULL == stream) {
	dm_error("DC: dc_stream is NULL!\n");
	return false;
	}

	if (NULL == position) {
	dm_error("DC: cursor position is NULL!\n");
	return false;
	}

	core_dc = stream->ctx->dc;
	res_ctx = &core_dc->current_state->res_ctx;

	for (i = 0; i < MAX_PIPES; i++) {
	struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
	struct input_pixel_processor *ipp = pipe_ctx->plane_res.ipp;
	struct mem_input *mi = pipe_ctx->plane_res.mi;
	struct hubp *hubp = pipe_ctx->plane_res.hubp;
	struct dpp *dpp = pipe_ctx->plane_res.dpp;
	struct dc_cursor_position pos_cpy = *position;
	struct dc_cursor_mi_param param = {
	.pixel_clk_khz = stream->timing.pix_clk_khz,
	.ref_clk_khz = core_dc->res_pool->ref_clock_inKhz,
	.viewport_x_start = pipe_ctx->plane_res.scl_data.viewport.x,
	.viewport_width = pipe_ctx->plane_res.scl_data.viewport.width,
	.h_scale_ratio = pipe_ctx->plane_res.scl_data.ratios.horz
	};

	if (pipe_ctx->stream != stream \|\|
	(!pipe_ctx->plane_res.mi && !pipe_ctx->plane_res.hubp) \|\|
	!pipe_ctx->plane_state \|\|
	(!pipe_ctx->plane_res.xfm && !pipe_ctx->plane_res.dpp))
	continue;

	if (pipe_ctx->plane_state->address.type
	== PLN_ADDR_TYPE_VIDEO_PROGRESSIVE)
	pos_cpy.enable = false;

	if (pipe_ctx->top_pipe && pipe_ctx->plane_state != pipe_ctx->top_pipe->plane_state)
	pos_cpy.enable = false;


	if (ipp != NULL && ipp->funcs->ipp_cursor_set_position != NULL)
	ipp->funcs->ipp_cursor_set_position(ipp, &pos_cpy, &param);

	if (mi != NULL && mi->funcs->set_cursor_position != NULL)
	mi->funcs->set_cursor_position(mi, &pos_cpy, &param);

	if (!hubp)
	continue;

	if (hubp->funcs->set_cursor_position != NULL)
	hubp->funcs->set_cursor_position(hubp, &pos_cpy, &param);

	if (dpp != NULL && dpp->funcs->set_cursor_position != NULL)
	dpp->funcs->set_cursor_position(dpp, &pos_cpy, &param, hubp->curs_attr.width);

	}

	stream->cursor_position = *position;

	return true;
	}

	uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream)
	{
	uint8_t i;
	struct dc *core_dc = stream->ctx->dc;
	struct resource_context *res_ctx =
	&core_dc->current_state->res_ctx;

	for (i = 0; i < MAX_PIPES; i++) {
	struct timing_generator *tg = res_ctx->pipe_ctx[i].stream_res.tg;

	if (res_ctx->pipe_ctx[i].stream != stream)
	continue;

	return tg->funcs->get_frame_count(tg);
	}

	return 0;
	}

	bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream,
	uint32_t *v_blank_start,
	uint32_t *v_blank_end,
	uint32_t *h_position,
	uint32_t *v_position)
	{
	uint8_t i;
	bool ret = false;
	struct dc *core_dc = stream->ctx->dc;
	struct resource_context *res_ctx =
	&core_dc->current_state->res_ctx;

	for (i = 0; i < MAX_PIPES; i++) {
	struct timing_generator *tg = res_ctx->pipe_ctx[i].stream_res.tg;

	if (res_ctx->pipe_ctx[i].stream != stream)
	continue;

	tg->funcs->get_scanoutpos(tg,
	v_blank_start,
	v_blank_end,
	h_position,
	v_position);

	ret = true;
	break;
	}

	return ret;
	}


	void dc_stream_log(
	const struct dc_stream_state *stream,
	struct dal_logger *dm_logger,
	enum dc_log_type log_type)
	{

	dm_logger_write(dm_logger,
	log_type,
	"core_stream 0x%x: src: %d, %d, %d, %d; dst: %d, %d, %d, %d, colorSpace:%d\n",
	stream,
	stream->src.x,
	stream->src.y,
	stream->src.width,
	stream->src.height,
	stream->dst.x,
	stream->dst.y,
	stream->dst.width,
	stream->dst.height,
	stream->output_color_space);
	dm_logger_write(dm_logger,
	log_type,
	"\tpix_clk_khz: %d, h_total: %d, v_total: %d, pixelencoder:%d, displaycolorDepth:%d\n",
	stream->timing.pix_clk_khz,
	stream->timing.h_total,
	stream->timing.v_total,
	stream->timing.pixel_encoding,
	stream->timing.display_color_depth);
	dm_logger_write(dm_logger,
	log_type,
	"\tsink name: %s, serial: %d\n",
	stream->sink->edid_caps.display_name,
	stream->sink->edid_caps.serial_number);
	dm_logger_write(dm_logger,
	log_type,
	"\tlink: %d\n",
	stream->sink->link->link_index);
	}