[PATCH 42/77] drm/amd/display: Remove unneeded code

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From: Bhawanpreet Lakha <Bhawanpreet.Lakha@xxxxxxx>

Change-Id: I1735203833573473200e19bf0324aecd92663535
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha at amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc.c          | 145 ----------------------
 drivers/gpu/drm/amd/display/dc/core/dc_resource.c |  73 -----------
 drivers/gpu/drm/amd/display/dc/dc.h               |  71 -----------
 3 files changed, 289 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index ad3b35209f55..00637a5d0324 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -672,67 +672,6 @@ void dc_destroy(struct dc **dc)
 	*dc = NULL;
 }
 
-static bool validate_streams (
-		struct dc *dc,
-		const struct dc_validation_set set[],
-		int set_count)
-{
-	int i;
-
-	for (i = 0; i < set_count; i++)
-		if (!dc_validate_stream(dc, set[i].stream))
-			return false;
-
-	return true;
-}
-
-static bool validate_surfaces(
-		struct dc *dc,
-		const struct dc_validation_set set[],
-		int set_count)
-{
-	int i, j;
-
-	for (i = 0; i < set_count; i++)
-		for (j = 0; j < set[i].plane_count; j++)
-			if (!dc_validate_plane(dc, set[i].plane_states[j]))
-				return false;
-
-	return true;
-}
-
-bool dc_validate_resources(
-		struct dc *dc,
-		const struct dc_validation_set set[],
-		uint8_t set_count)
-{
-	bool result = false;
-	struct validate_context *context;
-
-	if (!validate_streams(dc, set, set_count))
-		return false;
-
-	if (!validate_surfaces(dc, set, set_count))
-		return false;
-
-	context = dm_alloc(sizeof(struct validate_context));
-	if (context == NULL)
-		goto context_alloc_fail;
-
-	atomic_inc(&context->ref_count);
-
-	dc_resource_validate_ctx_copy_construct_current(dc, context);
-
-	result = dc_validate_with_context(
-				dc, set, set_count, context);
-
-context_alloc_fail:
-	dc_release_validate_context(context);
-	context = NULL;
-
-	return result;
-}
-
 bool dc_validate_guaranteed(
 		struct dc *dc,
 		struct dc_stream_state *stream)
@@ -857,24 +796,6 @@ static bool context_changed(
 	return false;
 }
 
-static bool streams_changed(
-		struct dc *dc,
-		struct dc_stream_state *streams[],
-		uint8_t stream_count)
-{
-	uint8_t i;
-
-	if (stream_count != dc->current_context->stream_count)
-		return true;
-
-	for (i = 0; i < dc->current_context->stream_count; i++) {
-		if (dc->current_context->streams[i] != streams[i])
-			return true;
-	}
-
-	return false;
-}
-
 bool dc_enable_stereo(
 	struct dc *dc,
 	struct validate_context *context,
@@ -999,72 +920,6 @@ bool dc_commit_context(struct dc *dc, struct validate_context *context)
 }
 
 
-bool dc_commit_streams(
-	struct dc *dc,
-	struct dc_stream_state *streams[],
-	uint8_t stream_count)
-{
-	struct dc  *core_dc = dc;
-	bool result = false;
-	struct validate_context *context;
-	struct dc_validation_set set[MAX_STREAMS] = { {0, {0} } };
-	int i;
-
-	if (false == streams_changed(core_dc, streams, stream_count))
-		return DC_OK;
-
-	dm_logger_write(core_dc->ctx->logger, LOG_DC, "%s: %d streams\n",
-				__func__, stream_count);
-
-	for (i = 0; i < stream_count; i++) {
-		struct dc_stream_state *stream = streams[i];
-		struct dc_stream_status *status = dc_stream_get_status(stream);
-		int j;
-
-		dc_stream_log(stream,
-				core_dc->ctx->logger,
-				LOG_DC);
-
-		set[i].stream = stream;
-
-		if (status) {
-			set[i].plane_count = status->plane_count;
-			for (j = 0; j < status->plane_count; j++)
-				set[i].plane_states[j] = status->plane_states[j];
-		}
-
-	}
-
-	if (!validate_streams(dc, set, stream_count))
-		return false;
-
-	if (!validate_surfaces(dc, set, stream_count))
-		return false;
-
-	context = dm_alloc(sizeof(struct validate_context));
-	if (context == NULL)
-		goto context_alloc_fail;
-
-	atomic_inc(&context->ref_count);
-
-	dc_resource_validate_ctx_copy_construct_current(dc, context);
-
-	result = dc_validate_with_context(
-			dc, set, stream_count, context);
-	if (!result) {
-		BREAK_TO_DEBUGGER();
-		goto fail;
-	}
-
-	result = dc_commit_context_no_check(dc, context);
-
-fail:
-	dc_release_validate_context(context);
-
-context_alloc_fail:
-	return result;
-}
-
 bool dc_post_update_surfaces_to_stream(struct dc *dc)
 {
 	int i;
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index 6b4eb4c3a3fd..90bf367a023b 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -1633,79 +1633,6 @@ void dc_resource_validate_ctx_copy_construct_current(
 	dc_resource_validate_ctx_copy_construct(dc->current_context, dst_ctx);
 }
 
-bool dc_validate_with_context(
-		struct dc *dc,
-		const struct dc_validation_set set[],
-		int set_count,
-		struct validate_context *context)
-{
-	int i, j;
-	enum dc_status res = DC_ERROR_UNEXPECTED;
-	bool found = false;
-	int old_stream_count = context->stream_count;
-	struct dc_stream_state *del_streams[MAX_PIPES] = { 0 };
-	struct dc_stream_state *add_streams[MAX_PIPES] = { 0 };
-	int del_streams_count = 0;
-	int add_streams_count = 0;
-
-
-	/* First remove from context all deleted streams */
-	for (i = 0; i < old_stream_count; i++) {
-		struct dc_stream_state *stream = context->streams[i];
-
-		for (j = 0; j < set_count; j++) {
-			if (stream == set[j].stream) {
-				found = true;
-				break;
-			}
-		}
-
-		if (!found)
-			del_streams[del_streams_count++] = stream;
-
-		found = false;
-	}
-
-	/* Now add new ones */
-	for (i = 0; i < set_count; i++) {
-		struct dc_stream_state *stream = set[i].stream;
-
-		for (j = 0; j < old_stream_count; j++) {
-			if (stream == context->streams[j]) {
-				found = true;
-				break;
-			}
-		}
-
-		if (!found)
-			add_streams[add_streams_count++] = stream;
-
-		found = false;
-	}
-
-	for (i = 0; i < del_streams_count; i++)
-		if (!dc_remove_stream_from_ctx(dc, context, del_streams[i]))
-			goto fail;
-
-	for (i = 0; i < add_streams_count; i++)
-		if (!dc_add_stream_to_ctx(dc, context, add_streams[i]))
-			goto fail;
-
-	if (!dc_validate_global_state(dc, set, set_count, context))
-		goto fail;
-
-	res = DC_OK;
-
-fail:
-	if (res != DC_OK) {
-		dm_logger_write(dc->ctx->logger, LOG_WARNING,
-				"%s:resource validation failed, dc_status:%d\n",
-				__func__,
-				res);
-}
-	return res == DC_OK;
-}
-
 bool dc_validate_global_state(
 		struct dc *dc,
 		const struct dc_validation_set set[],
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 935f4432570b..42aa332dfd46 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -641,23 +641,12 @@ bool dc_validate_stream(struct dc *dc, struct dc_stream_state *stream);
 
 bool dc_validate_plane(struct dc *dc, const struct dc_plane_state *plane_state);
 
-bool dc_validate_with_context(
-		struct dc *dc,
-		const struct dc_validation_set set[],
-		int set_count,
-		struct validate_context *context);
-
 bool dc_validate_global_state(
 		struct dc *dc,
 		const struct dc_validation_set set[],
 		int set_count,
 		struct validate_context *new_ctx);
 
-bool dc_validate_resources(
-		struct dc *dc,
-		const struct dc_validation_set set[],
-		uint8_t set_count);
-
 /*
  * This function takes a stream and checks if it is guaranteed to be supported.
  * Guaranteed means that MAX_COFUNC similar streams are supported.
@@ -666,10 +655,6 @@ bool dc_validate_resources(
  *   No hardware is programmed for call.  Only validation is done.
  */
 
-bool dc_validate_guaranteed(
-		struct dc *dc,
-		struct dc_stream_state *stream);
-
 void dc_resource_validate_ctx_copy_construct(
 		const struct validate_context *src_ctx,
 		struct validate_context *dst_ctx);
@@ -699,10 +684,6 @@ bool dc_commit_context(struct dc *dc, struct validate_context *context);
  *   Phy, Encoder, Timing Generator are programmed and enabled.
  *   New streams are enabled with blank stream; no memory read.
  */
-bool dc_commit_streams(
-		struct dc *dc,
-		struct dc_stream_state *streams[],
-		uint8_t stream_count);
 /*
  * Enable stereo when commit_streams is not required,
  * for example, frame alternate.
@@ -856,18 +837,10 @@ const struct dc_link_status *dc_link_get_status(const struct dc_link *dc_link);
  */
 struct dc_link *dc_get_link_at_index(struct dc *dc, uint32_t link_index);
 
-struct dwbc *dc_get_dwb_at_pipe(struct dc *dc, uint32_t pipe);
-
-/* Return id of physical connector represented by a dc_link at link_index.*/
-const struct graphics_object_id dc_get_link_id_at_index(
-		struct dc *dc, uint32_t link_index);
-
 /* Set backlight level of an embedded panel (eDP, LVDS). */
 bool dc_link_set_backlight_level(const struct dc_link *dc_link, uint32_t level,
 		uint32_t frame_ramp, const struct dc_stream_state *stream);
 
-bool dc_link_set_abm_disable(const struct dc_link *dc_link);
-
 bool dc_link_set_psr_enable(const struct dc_link *dc_link, bool enable);
 
 bool dc_link_get_psr_state(const struct dc_link *dc_link, uint32_t *psr_state);
@@ -906,7 +879,6 @@ void dc_link_remove_remote_sink(
 	struct dc_sink *sink);
 
 /* Used by diagnostics for virtual link at the moment */
-void dc_link_set_sink(struct dc_link *link, struct dc_sink *sink);
 
 void dc_link_dp_set_drive_settings(
 	struct dc_link *link,
@@ -969,8 +941,6 @@ struct dc_sink {
 void dc_sink_retain(struct dc_sink *sink);
 void dc_sink_release(struct dc_sink *sink);
 
-const struct audio **dc_get_audios(struct dc *dc);
-
 struct dc_sink_init_data {
 	enum signal_type sink_signal;
 	struct dc_link *link;
@@ -979,8 +949,6 @@ struct dc_sink_init_data {
 };
 
 struct dc_sink *dc_sink_create(const struct dc_sink_init_data *init_params);
-bool dc_sink_get_container_id(struct dc_sink *dc_sink, struct dc_container_id *container_id);
-bool dc_sink_set_container_id(struct dc_sink *dc_sink, const struct dc_container_id *container_id);
 
 /*******************************************************************************
  * Cursor interfaces - To manages the cursor within a stream
@@ -1025,45 +993,6 @@ void dc_resume(struct dc *dc);
  * DPCD access interfaces
  */
 
-bool dc_read_aux_dpcd(
-		struct dc *dc,
-		uint32_t link_index,
-		uint32_t address,
-		uint8_t *data,
-		uint32_t size);
-
-bool dc_write_aux_dpcd(
-		struct dc *dc,
-		uint32_t link_index,
-		uint32_t address,
-		const uint8_t *data,
-		uint32_t size);
-
-bool dc_read_aux_i2c(
-		struct dc *dc,
-		uint32_t link_index,
-		enum i2c_mot_mode mot,
-		uint32_t address,
-		uint8_t *data,
-		uint32_t size);
-
-bool dc_write_aux_i2c(
-		struct dc *dc,
-		uint32_t link_index,
-		enum i2c_mot_mode mot,
-		uint32_t address,
-		const uint8_t *data,
-		uint32_t size);
-
-bool dc_query_ddc_data(
-		struct dc *dc,
-		uint32_t link_index,
-		uint32_t address,
-		uint8_t *write_buf,
-		uint32_t write_size,
-		uint8_t *read_buf,
-		uint32_t read_size);
-
 bool dc_submit_i2c(
 		struct dc *dc,
 		uint32_t link_index,
-- 
2.11.0



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