path: root/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1008-drm-amd-display-Clean-up-flattening-core_dc-to-dc.patch

From 935949b43c7022ae3dab40965ae546ce185fe775 Mon Sep 17 00:00:00 2001
From: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Date: Wed, 23 Aug 2017 15:44:42 -0400
Subject: [PATCH 1008/4131] drm/amd/display: Clean up flattening core_dc to dc

Clean up some code related to flattening core_dc commit
(Remove redundent dc = dc, which was the result of removing
DC_TO_CORE() macro)

Change-Id: Ib2e3bba1a8eca27c6229d6bac8387e3fdb91de9f
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
---
 drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c   |  12 +-
 drivers/gpu/drm/amd/display/dc/core/dc.c           | 335 +++++++++------------
 .../drm/amd/display/modules/freesync/freesync.c    |  19 +-
 3 files changed, 164 insertions(+), 202 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
index afd403c..5e5766a 100644
--- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
@@ -983,15 +983,14 @@ bool dcn_validate_bandwidth(
 	if (v->voltage_level == 0 &&
 			(dc->debug.sr_exit_time_dpm0_ns
 				|| dc->debug.sr_enter_plus_exit_time_dpm0_ns)) {
-		struct dc *dc_core = dc;
 
 		if (dc->debug.sr_enter_plus_exit_time_dpm0_ns)
 			v->sr_enter_plus_exit_time =
 				dc->debug.sr_enter_plus_exit_time_dpm0_ns / 1000.0f;
 		if (dc->debug.sr_exit_time_dpm0_ns)
 			v->sr_exit_time =  dc->debug.sr_exit_time_dpm0_ns / 1000.0f;
-		dc_core->dml.soc.sr_enter_plus_exit_time_us = v->sr_enter_plus_exit_time;
-		dc_core->dml.soc.sr_exit_time_us = v->sr_exit_time;
+		dc->dml.soc.sr_enter_plus_exit_time_us = v->sr_enter_plus_exit_time;
+		dc->dml.soc.sr_exit_time_us = v->sr_exit_time;
 		mode_support_and_system_configuration(v);
 	}
 
@@ -1114,11 +1113,10 @@ bool dcn_validate_bandwidth(
 	}
 
 	if (v->voltage_level == 0) {
-		struct dc *dc_core = dc;
 
-		dc_core->dml.soc.sr_enter_plus_exit_time_us =
-				dc_core->dcn_soc->sr_enter_plus_exit_time;
-		dc_core->dml.soc.sr_exit_time_us = dc_core->dcn_soc->sr_exit_time;
+		dc->dml.soc.sr_enter_plus_exit_time_us =
+				dc->dcn_soc->sr_enter_plus_exit_time;
+		dc->dml.soc.sr_exit_time_us = dc->dcn_soc->sr_exit_time;
 	}
 
 	/*
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index e5bafe2..1f0e519 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -155,20 +155,19 @@ static bool stream_adjust_vmin_vmax(struct dc *dc,
 		int vmin, int vmax)
 {
 	/* TODO: Support multiple streams */
-	struct dc  *core_dc = dc;
 	struct dc_stream_state *stream = streams[0];
 	int i = 0;
 	bool ret = false;
 
 	for (i = 0; i < MAX_PIPES; i++) {
-		struct pipe_ctx *pipe = &core_dc->current_context->res_ctx.pipe_ctx[i];
+		struct pipe_ctx *pipe = &dc->current_context->res_ctx.pipe_ctx[i];
 
 		if (pipe->stream == stream && pipe->stream_res.stream_enc) {
-			core_dc->hwss.set_drr(&pipe, 1, vmin, vmax);
+			dc->hwss.set_drr(&pipe, 1, vmin, vmax);
 
 			/* build and update the info frame */
 			resource_build_info_frame(pipe);
-			core_dc->hwss.update_info_frame(pipe);
+			dc->hwss.update_info_frame(pipe);
 
 			ret = true;
 		}
@@ -181,7 +180,6 @@ static bool stream_get_crtc_position(struct dc *dc,
 		unsigned int *v_pos, unsigned int *nom_v_pos)
 {
 	/* TODO: Support multiple streams */
-	struct dc *core_dc = dc;
 	struct dc_stream_state *stream = streams[0];
 	int i = 0;
 	bool ret = false;
@@ -189,10 +187,10 @@ static bool stream_get_crtc_position(struct dc *dc,
 
 	for (i = 0; i < MAX_PIPES; i++) {
 		struct pipe_ctx *pipe =
-				&core_dc->current_context->res_ctx.pipe_ctx[i];
+				&dc->current_context->res_ctx.pipe_ctx[i];
 
 		if (pipe->stream == stream && pipe->stream_res.stream_enc) {
-			core_dc->hwss.get_position(&pipe, 1, &position);
+			dc->hwss.get_position(&pipe, 1, &position);
 
 			*v_pos = position.vertical_count;
 			*nom_v_pos = position.nominal_vcount;
@@ -204,15 +202,14 @@ static bool stream_get_crtc_position(struct dc *dc,
 
 static bool set_gamut_remap(struct dc *dc, const struct dc_stream_state *stream)
 {
-	struct dc  *core_dc = dc;
 	int i = 0;
 	bool ret = false;
 	struct pipe_ctx *pipes;
 
 	for (i = 0; i < MAX_PIPES; i++) {
-		if (core_dc->current_context->res_ctx.pipe_ctx[i].stream == stream) {
-			pipes = &core_dc->current_context->res_ctx.pipe_ctx[i];
-			core_dc->hwss.program_gamut_remap(pipes);
+		if (dc->current_context->res_ctx.pipe_ctx[i].stream == stream) {
+			pipes = &dc->current_context->res_ctx.pipe_ctx[i];
+			dc->hwss.program_gamut_remap(pipes);
 			ret = true;
 		}
 	}
@@ -222,17 +219,16 @@ static bool set_gamut_remap(struct dc *dc, const struct dc_stream_state *stream)
 
 static bool program_csc_matrix(struct dc *dc, struct dc_stream_state *stream)
 {
-	struct dc  *core_dc = dc;
 	int i = 0;
 	bool ret = false;
 	struct pipe_ctx *pipes;
 
 	for (i = 0; i < MAX_PIPES; i++) {
-		if (core_dc->current_context->res_ctx.pipe_ctx[i].stream
+		if (dc->current_context->res_ctx.pipe_ctx[i].stream
 				== stream) {
 
-			pipes = &core_dc->current_context->res_ctx.pipe_ctx[i];
-			core_dc->hwss.program_csc_matrix(pipes,
+			pipes = &dc->current_context->res_ctx.pipe_ctx[i];
+			dc->hwss.program_csc_matrix(pipes,
 			stream->output_color_space,
 			stream->csc_color_matrix.matrix);
 			ret = true;
@@ -247,7 +243,6 @@ static void set_static_screen_events(struct dc *dc,
 		int num_streams,
 		const struct dc_static_screen_events *events)
 {
-	struct dc  *core_dc = dc;
 	int i = 0;
 	int j = 0;
 	struct pipe_ctx *pipes_affected[MAX_PIPES];
@@ -257,45 +252,44 @@ static void set_static_screen_events(struct dc *dc,
 		struct dc_stream_state *stream = streams[i];
 
 		for (j = 0; j < MAX_PIPES; j++) {
-			if (core_dc->current_context->res_ctx.pipe_ctx[j].stream
+			if (dc->current_context->res_ctx.pipe_ctx[j].stream
 					== stream) {
 				pipes_affected[num_pipes_affected++] =
-						&core_dc->current_context->res_ctx.pipe_ctx[j];
+						&dc->current_context->res_ctx.pipe_ctx[j];
 			}
 		}
 	}
 
-	core_dc->hwss.set_static_screen_control(pipes_affected, num_pipes_affected, events);
+	dc->hwss.set_static_screen_control(pipes_affected, num_pipes_affected, events);
 }
 
 static void set_drive_settings(struct dc *dc,
 		struct link_training_settings *lt_settings,
 		const struct dc_link *link)
 {
-	struct dc  *core_dc = dc;
+
 	int i;
 
-	for (i = 0; i < core_dc->link_count; i++) {
-		if (core_dc->links[i] == link)
+	for (i = 0; i < dc->link_count; i++) {
+		if (dc->links[i] == link)
 			break;
 	}
 
-	if (i >= core_dc->link_count)
+	if (i >= dc->link_count)
 		ASSERT_CRITICAL(false);
 
-	dc_link_dp_set_drive_settings(core_dc->links[i], lt_settings);
+	dc_link_dp_set_drive_settings(dc->links[i], lt_settings);
 }
 
 static void perform_link_training(struct dc *dc,
 		struct dc_link_settings *link_setting,
 		bool skip_video_pattern)
 {
-	struct dc  *core_dc = dc;
 	int i;
 
-	for (i = 0; i < core_dc->link_count; i++)
+	for (i = 0; i < dc->link_count; i++)
 		dc_link_dp_perform_link_training(
-			core_dc->links[i],
+			dc->links[i],
 			link_setting,
 			skip_video_pattern);
 }
@@ -371,44 +365,44 @@ void set_dither_option(struct dc_stream_state *stream,
 		opp_program_bit_depth_reduction(pipes->stream_res.opp, &params);
 }
 
-static void allocate_dc_stream_funcs(struct dc  *core_dc)
+static void allocate_dc_stream_funcs(struct dc  *dc)
 {
-	if (core_dc->hwss.set_drr != NULL) {
-		core_dc->stream_funcs.adjust_vmin_vmax =
+	if (dc->hwss.set_drr != NULL) {
+		dc->stream_funcs.adjust_vmin_vmax =
 				stream_adjust_vmin_vmax;
 	}
 
-	core_dc->stream_funcs.set_static_screen_events =
+	dc->stream_funcs.set_static_screen_events =
 			set_static_screen_events;
 
-	core_dc->stream_funcs.get_crtc_position =
+	dc->stream_funcs.get_crtc_position =
 			stream_get_crtc_position;
 
-	core_dc->stream_funcs.set_gamut_remap =
+	dc->stream_funcs.set_gamut_remap =
 			set_gamut_remap;
 
-	core_dc->stream_funcs.program_csc_matrix =
+	dc->stream_funcs.program_csc_matrix =
 			program_csc_matrix;
 
-	core_dc->stream_funcs.set_dither_option =
+	dc->stream_funcs.set_dither_option =
 			set_dither_option;
 
-	core_dc->link_funcs.set_drive_settings =
+	dc->link_funcs.set_drive_settings =
 			set_drive_settings;
 
-	core_dc->link_funcs.perform_link_training =
+	dc->link_funcs.perform_link_training =
 			perform_link_training;
 
-	core_dc->link_funcs.set_preferred_link_settings =
+	dc->link_funcs.set_preferred_link_settings =
 			set_preferred_link_settings;
 
-	core_dc->link_funcs.enable_hpd =
+	dc->link_funcs.enable_hpd =
 			enable_hpd;
 
-	core_dc->link_funcs.disable_hpd =
+	dc->link_funcs.disable_hpd =
 			disable_hpd;
 
-	core_dc->link_funcs.set_test_pattern =
+	dc->link_funcs.set_test_pattern =
 			set_test_pattern;
 }
 
@@ -624,41 +618,41 @@ void ProgramPixelDurationV(unsigned int pixelClockInKHz )
 
 struct dc *dc_create(const struct dc_init_data *init_params)
  {
-	struct dc *core_dc = dm_alloc(sizeof(*core_dc));
+	struct dc *dc = dm_alloc(sizeof(*dc));
 	unsigned int full_pipe_count;
 
-	if (NULL == core_dc)
+	if (NULL == dc)
 		goto alloc_fail;
 
-	if (false == construct(core_dc, init_params))
+	if (false == construct(dc, init_params))
 		goto construct_fail;
 
 	/*TODO: separate HW and SW initialization*/
-	core_dc->hwss.init_hw(core_dc);
+	dc->hwss.init_hw(dc);
 
-	full_pipe_count = core_dc->res_pool->pipe_count;
-	if (core_dc->res_pool->underlay_pipe_index != NO_UNDERLAY_PIPE)
+	full_pipe_count = dc->res_pool->pipe_count;
+	if (dc->res_pool->underlay_pipe_index != NO_UNDERLAY_PIPE)
 		full_pipe_count--;
-	core_dc->caps.max_streams = min(
+	dc->caps.max_streams = min(
 			full_pipe_count,
-			core_dc->res_pool->stream_enc_count);
+			dc->res_pool->stream_enc_count);
 
-	core_dc->caps.max_links = core_dc->link_count;
-	core_dc->caps.max_audios = core_dc->res_pool->audio_count;
+	dc->caps.max_links = dc->link_count;
+	dc->caps.max_audios = dc->res_pool->audio_count;
 
-	core_dc->config = init_params->flags;
+	dc->config = init_params->flags;
 
-	dm_logger_write(core_dc->ctx->logger, LOG_DC,
+	dm_logger_write(dc->ctx->logger, LOG_DC,
 			"Display Core initialized\n");
 
 
 	/* TODO: missing feature to be enabled */
-	core_dc->debug.disable_dfs_bypass = true;
+	dc->debug.disable_dfs_bypass = true;
 
-	return core_dc;
+	return dc;
 
 construct_fail:
-	dm_free(core_dc);
+	dm_free(dc);
 
 alloc_fail:
 	return NULL;
@@ -666,9 +660,8 @@ struct dc *dc_create(const struct dc_init_data *init_params)
 
 void dc_destroy(struct dc **dc)
 {
-	struct dc  *core_dc = *dc;
-	destruct(core_dc);
-	dm_free(core_dc);
+	destruct(*dc);
+	dm_free(*dc);
 	*dc = NULL;
 }
 
@@ -676,7 +669,6 @@ bool dc_validate_guaranteed(
 		struct dc *dc,
 		struct dc_stream_state *stream)
 {
-	struct dc  *core_dc = dc;
 	enum dc_status result = DC_ERROR_UNEXPECTED;
 	struct validate_context *context;
 
@@ -689,14 +681,14 @@ bool dc_validate_guaranteed(
 
 	atomic_inc(&context->ref_count);
 
-	result = core_dc->res_pool->funcs->validate_guaranteed(
-					core_dc, stream, context);
+	result = dc->res_pool->funcs->validate_guaranteed(
+					dc, stream, context);
 
 	dc_release_validate_context(context);
 
 context_alloc_fail:
 	if (result != DC_OK) {
-		dm_logger_write(core_dc->ctx->logger, LOG_WARNING,
+		dm_logger_write(dc->ctx->logger, LOG_WARNING,
 			"%s:guaranteed validation failed, dc_status:%d\n",
 			__func__,
 			result);
@@ -706,12 +698,12 @@ bool dc_validate_guaranteed(
 }
 
 static void program_timing_sync(
-		struct dc *core_dc,
+		struct dc *dc,
 		struct validate_context *ctx)
 {
 	int i, j;
 	int group_index = 0;
-	int pipe_count = core_dc->res_pool->pipe_count;
+	int pipe_count = dc->res_pool->pipe_count;
 	struct pipe_ctx *unsynced_pipes[MAX_PIPES] = { NULL };
 
 	for (i = 0; i < pipe_count; i++) {
@@ -772,8 +764,8 @@ static void program_timing_sync(
 		}
 
 		if (group_size > 1) {
-			core_dc->hwss.enable_timing_synchronization(
-				core_dc, group_index, group_size, pipe_set);
+			dc->hwss.enable_timing_synchronization(
+				dc, group_index, group_size, pipe_set);
 			group_index++;
 		}
 	}
@@ -805,17 +797,16 @@ bool dc_enable_stereo(
 	bool ret = true;
 	int i, j;
 	struct pipe_ctx *pipe;
-	struct dc  *core_dc = dc;
 
 	for (i = 0; i < MAX_PIPES; i++) {
 		if (context != NULL)
 			pipe = &context->res_ctx.pipe_ctx[i];
 		else
-			pipe = &core_dc->current_context->res_ctx.pipe_ctx[i];
+			pipe = &dc->current_context->res_ctx.pipe_ctx[i];
 		for (j = 0 ; pipe && j < stream_count; j++)  {
 			if (streams[j] && streams[j] == pipe->stream &&
-				core_dc->hwss.setup_stereo)
-				core_dc->hwss.setup_stereo(pipe, core_dc);
+				dc->hwss.setup_stereo)
+				dc->hwss.setup_stereo(pipe, dc);
 		}
 	}
 
@@ -829,8 +820,7 @@ bool dc_enable_stereo(
  */
 static bool dc_commit_context_no_check(struct dc *dc, struct validate_context *context)
 {
-	struct dc *core_dc = dc;
-	struct dc_bios *dcb = core_dc->ctx->dc_bios;
+	struct dc_bios *dcb = dc->ctx->dc_bios;
 	enum dc_status result = DC_ERROR_UNEXPECTED;
 	struct pipe_ctx *pipe;
 	int i, j, k, l;
@@ -840,22 +830,22 @@ static bool dc_commit_context_no_check(struct dc *dc, struct validate_context *c
 		dc_streams[i] =  context->streams[i];
 
 	if (!dcb->funcs->is_accelerated_mode(dcb))
-		core_dc->hwss.enable_accelerated_mode(core_dc);
+		dc->hwss.enable_accelerated_mode(dc);
 
-	for (i = 0; i < core_dc->res_pool->pipe_count; i++) {
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
 		pipe = &context->res_ctx.pipe_ctx[i];
-		core_dc->hwss.wait_for_mpcc_disconnect(core_dc, core_dc->res_pool, pipe);
+		dc->hwss.wait_for_mpcc_disconnect(dc, dc->res_pool, pipe);
 	}
-	result = core_dc->hwss.apply_ctx_to_hw(core_dc, context);
+	result = dc->hwss.apply_ctx_to_hw(dc, context);
 
-	program_timing_sync(core_dc, context);
+	program_timing_sync(dc, context);
 
 	for (i = 0; i < context->stream_count; i++) {
 		const struct dc_sink *sink = context->streams[i]->sink;
 
 		for (j = 0; j < context->stream_status[i].plane_count; j++) {
-			core_dc->hwss.apply_ctx_for_surface(
-					core_dc, context->streams[i],
+			dc->hwss.apply_ctx_for_surface(
+					dc, context->streams[i],
 					context->stream_status[i].plane_count,
 					context);
 
@@ -869,8 +859,8 @@ static bool dc_commit_context_no_check(struct dc *dc, struct validate_context *c
 				for (l = 0 ; pipe && l < context->stream_count; l++)  {
 					if (context->streams[l] &&
 					    context->streams[l] == pipe->stream &&
-					    core_dc->hwss.setup_stereo)
-						core_dc->hwss.setup_stereo(pipe, core_dc);
+					    dc->hwss.setup_stereo)
+						dc->hwss.setup_stereo(pipe, dc);
 				}
 			}
 		}
@@ -885,11 +875,11 @@ static bool dc_commit_context_no_check(struct dc *dc, struct validate_context *c
 
 	dc_enable_stereo(dc, context, dc_streams, context->stream_count);
 
-	dc_release_validate_context(core_dc->current_context);
+	dc_release_validate_context(dc->current_context);
 
-	core_dc->current_context = context;
+	dc->current_context = context;
 
-	dc_retain_validate_context(core_dc->current_context);
+	dc_retain_validate_context(dc->current_context);
 
 	return (result == DC_OK);
 }
@@ -897,20 +887,19 @@ static bool dc_commit_context_no_check(struct dc *dc, struct validate_context *c
 bool dc_commit_context(struct dc *dc, struct validate_context *context)
 {
 	enum dc_status result = DC_ERROR_UNEXPECTED;
-	struct dc  *core_dc = dc;
 	int i;
 
-	if (false == context_changed(core_dc, context))
+	if (false == context_changed(dc, context))
 		return DC_OK;
 
-	dm_logger_write(core_dc->ctx->logger, LOG_DC, "%s: %d streams\n",
+	dm_logger_write(dc->ctx->logger, LOG_DC, "%s: %d streams\n",
 				__func__, context->stream_count);
 
 	for (i = 0; i < context->stream_count; i++) {
 		struct dc_stream_state *stream = context->streams[i];
 
 		dc_stream_log(stream,
-				core_dc->ctx->logger,
+				dc->ctx->logger,
 				LOG_DC);
 	}
 
@@ -923,21 +912,20 @@ bool dc_commit_context(struct dc *dc, struct validate_context *context)
 bool dc_post_update_surfaces_to_stream(struct dc *dc)
 {
 	int i;
-	struct dc  *core_dc = dc;
-	struct validate_context *context = core_dc->current_context;
+	struct validate_context *context = dc->current_context;
 
 	post_surface_trace(dc);
 
-	for (i = 0; i < core_dc->res_pool->pipe_count; i++)
+	for (i = 0; i < dc->res_pool->pipe_count; i++)
 		if (context->res_ctx.pipe_ctx[i].stream == NULL
 				|| context->res_ctx.pipe_ctx[i].plane_state == NULL)
-			core_dc->hwss.power_down_front_end(core_dc, i);
+			dc->hwss.power_down_front_end(dc, i);
 
 	/* 3rd param should be true, temp w/a for RV*/
 #if defined(CONFIG_DRM_AMD_DC_DCN1_0)
-	core_dc->hwss.set_bandwidth(core_dc, context, core_dc->ctx->dce_version < DCN_VERSION_1_0);
+	dc->hwss.set_bandwidth(dc, context, dc->ctx->dce_version < DCN_VERSION_1_0);
 #else
-	core_dc->hwss.set_bandwidth(core_dc, context, true);
+	dc->hwss.set_bandwidth(dc, context, true);
 #endif
 	return true;
 }
@@ -1175,7 +1163,6 @@ enum surface_update_type dc_check_update_surfaces_for_stream(
 		struct dc_stream_update *stream_update,
 		const struct dc_stream_status *stream_status)
 {
-	struct dc  *core_dc = dc;
 	int i;
 	enum surface_update_type overall_type = UPDATE_TYPE_FAST;
 
@@ -1187,7 +1174,7 @@ enum surface_update_type dc_check_update_surfaces_for_stream(
 
 	for (i = 0 ; i < surface_count; i++) {
 		enum surface_update_type type =
-				det_surface_update(core_dc, &updates[i], i);
+				det_surface_update(dc, &updates[i], i);
 
 		if (type == UPDATE_TYPE_FULL)
 			return type;
@@ -1221,12 +1208,11 @@ void dc_update_planes_and_stream(struct dc *dc,
 		struct dc_stream_state *stream,
 		struct dc_stream_update *stream_update)
 {
-	struct dc  *core_dc = dc;
 	struct validate_context *context;
 	int i, j;
 	enum surface_update_type update_type;
 	const struct dc_stream_status *stream_status;
-	struct dc_context *dc_ctx = core_dc->ctx;
+	struct dc_context *dc_ctx = dc->ctx;
 
 	stream_status = dc_stream_get_status(stream);
 
@@ -1240,7 +1226,7 @@ void dc_update_planes_and_stream(struct dc *dc,
 			ASSERT(0);
 	}
 #endif
-	context = core_dc->current_context;
+	context = dc->current_context;
 
 	/* update current stream with the new updates */
 	if (stream_update) {
@@ -1296,7 +1282,7 @@ void dc_update_planes_and_stream(struct dc *dc,
 		atomic_inc(&context->ref_count);
 
 		dc_resource_validate_ctx_copy_construct(
-				core_dc->current_context, context);
+				dc->current_context, context);
 
 		/*remove old surfaces from context */
 		if (!dc_rem_all_planes_for_stream(dc, stream, context)) {
@@ -1358,7 +1344,7 @@ void dc_update_planes_and_stream(struct dc *dc,
 		}
 
 		if (update_type >= UPDATE_TYPE_MED) {
-			for (j = 0; j < core_dc->res_pool->pipe_count; j++) {
+			for (j = 0; j < dc->res_pool->pipe_count; j++) {
 				struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j];
 
 				if (pipe_ctx->plane_state != surface)
@@ -1396,31 +1382,31 @@ void dc_update_planes_and_stream(struct dc *dc,
 	}
 
 	if (update_type == UPDATE_TYPE_FULL) {
-		if (!core_dc->res_pool->funcs->validate_bandwidth(core_dc, context)) {
+		if (!dc->res_pool->funcs->validate_bandwidth(dc, context)) {
 			BREAK_TO_DEBUGGER();
 			goto fail;
 		} else {
-			core_dc->hwss.set_bandwidth(core_dc, context, false);
+			dc->hwss.set_bandwidth(dc, context, false);
 			context_clock_trace(dc, context);
 		}
 	}
 
 	if (update_type > UPDATE_TYPE_FAST) {
-		for (j = 0; j < core_dc->res_pool->pipe_count; j++) {
+		for (j = 0; j < dc->res_pool->pipe_count; j++) {
 			struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j];
 
-			core_dc->hwss.wait_for_mpcc_disconnect(core_dc, core_dc->res_pool, pipe_ctx);
+			dc->hwss.wait_for_mpcc_disconnect(dc, dc->res_pool, pipe_ctx);
 		}
 	}
 
 	if (surface_count == 0)
-		core_dc->hwss.apply_ctx_for_surface(core_dc, stream, surface_count, context);
+		dc->hwss.apply_ctx_for_surface(dc, stream, surface_count, context);
 
 	/* Lock pipes for provided surfaces, or all active if full update*/
 	for (i = 0; i < surface_count; i++) {
 		struct dc_plane_state *plane_state = srf_updates[i].surface;
 
-		for (j = 0; j < core_dc->res_pool->pipe_count; j++) {
+		for (j = 0; j < dc->res_pool->pipe_count; j++) {
 			struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j];
 
 			if (update_type != UPDATE_TYPE_FULL && pipe_ctx->plane_state != plane_state)
@@ -1428,8 +1414,8 @@ void dc_update_planes_and_stream(struct dc *dc,
 			if (!pipe_ctx->plane_state || pipe_ctx->top_pipe)
 				continue;
 
-			core_dc->hwss.pipe_control_lock(
-					core_dc,
+			dc->hwss.pipe_control_lock(
+					dc,
 					pipe_ctx,
 					true);
 		}
@@ -1438,9 +1424,9 @@ void dc_update_planes_and_stream(struct dc *dc,
 	}
 
 	/* Full fe update*/
-	for (j = 0; j < core_dc->res_pool->pipe_count; j++) {
+	for (j = 0; j < dc->res_pool->pipe_count; j++) {
 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j];
-		struct pipe_ctx *cur_pipe_ctx = &core_dc->current_context->res_ctx.pipe_ctx[j];
+		struct pipe_ctx *cur_pipe_ctx = &dc->current_context->res_ctx.pipe_ctx[j];
 		bool is_new_pipe_surface = cur_pipe_ctx->plane_state != pipe_ctx->plane_state;
 		struct dc_cursor_position position = { 0 };
 
@@ -1451,18 +1437,18 @@ void dc_update_planes_and_stream(struct dc *dc,
 		if (!pipe_ctx->top_pipe && pipe_ctx->stream) {
 			struct dc_stream_status *stream_status = stream_get_status(context, pipe_ctx->stream);
 
-			core_dc->hwss.apply_ctx_for_surface(
-					core_dc, pipe_ctx->stream, stream_status->plane_count, context);
+			dc->hwss.apply_ctx_for_surface(
+					dc, pipe_ctx->stream, stream_status->plane_count, context);
 		}
 
 		/* TODO: this is a hack w/a for switching from mpo to pipe split */
 		dc_stream_set_cursor_position(pipe_ctx->stream, &position);
 
 		if (is_new_pipe_surface) {
-			core_dc->hwss.update_plane_addr(core_dc, pipe_ctx);
-			core_dc->hwss.set_input_transfer_func(
+			dc->hwss.update_plane_addr(dc, pipe_ctx);
+			dc->hwss.set_input_transfer_func(
 					pipe_ctx, pipe_ctx->plane_state);
-			core_dc->hwss.set_output_transfer_func(
+			dc->hwss.set_output_transfer_func(
 					pipe_ctx, pipe_ctx->stream);
 		}
 	}
@@ -1475,40 +1461,40 @@ void dc_update_planes_and_stream(struct dc *dc,
 		struct dc_plane_state *plane_state = srf_updates[i].surface;
 
 		if (update_type == UPDATE_TYPE_MED)
-			core_dc->hwss.apply_ctx_for_surface(
-					core_dc, stream, surface_count, context);
+			dc->hwss.apply_ctx_for_surface(
+					dc, stream, surface_count, context);
 
-		for (j = 0; j < core_dc->res_pool->pipe_count; j++) {
+		for (j = 0; j < dc->res_pool->pipe_count; j++) {
 			struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j];
 
 			if (pipe_ctx->plane_state != plane_state)
 				continue;
 
 			if (srf_updates[i].flip_addr)
-				core_dc->hwss.update_plane_addr(core_dc, pipe_ctx);
+				dc->hwss.update_plane_addr(dc, pipe_ctx);
 
 			if (update_type == UPDATE_TYPE_FAST)
 				continue;
 
 			if (srf_updates[i].in_transfer_func)
-				core_dc->hwss.set_input_transfer_func(
+				dc->hwss.set_input_transfer_func(
 						pipe_ctx, pipe_ctx->plane_state);
 
 			if (stream_update != NULL &&
 					stream_update->out_transfer_func != NULL) {
-				core_dc->hwss.set_output_transfer_func(
+				dc->hwss.set_output_transfer_func(
 						pipe_ctx, pipe_ctx->stream);
 			}
 
 			if (srf_updates[i].hdr_static_metadata) {
 				resource_build_info_frame(pipe_ctx);
-				core_dc->hwss.update_info_frame(pipe_ctx);
+				dc->hwss.update_info_frame(pipe_ctx);
 			}
 		}
 	}
 
 	/* Unlock pipes */
-	for (i = core_dc->res_pool->pipe_count - 1; i >= 0; i--) {
+	for (i = dc->res_pool->pipe_count - 1; i >= 0; i--) {
 		struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
 
 		for (j = 0; j < surface_count; j++) {
@@ -1518,8 +1504,8 @@ void dc_update_planes_and_stream(struct dc *dc,
 			if (!pipe_ctx->plane_state || pipe_ctx->top_pipe)
 				continue;
 
-			core_dc->hwss.pipe_control_lock(
-					core_dc,
+			dc->hwss.pipe_control_lock(
+					dc,
 					pipe_ctx,
 					false);
 
@@ -1527,7 +1513,7 @@ void dc_update_planes_and_stream(struct dc *dc,
 		}
 	}
 
-	if (core_dc->current_context != context) {
+	if (dc->current_context != context) {
 
 		/* Since memory free requires elevated IRQL, an interrupt
 		 * request is generated by mem free. If this happens
@@ -1537,9 +1523,9 @@ void dc_update_planes_and_stream(struct dc *dc,
 		 * then free the old context.
 		 */
 
-		struct validate_context *old = core_dc->current_context;
+		struct validate_context *old = dc->current_context;
 
-		core_dc->current_context = context;
+		dc->current_context = context;
 		dc_release_validate_context(old);
 
 	}
@@ -1554,29 +1540,25 @@ void dc_update_planes_and_stream(struct dc *dc,
 
 uint8_t dc_get_current_stream_count(struct dc *dc)
 {
-	struct dc *core_dc = dc;
-	return core_dc->current_context->stream_count;
+	return dc->current_context->stream_count;
 }
 
 struct dc_stream_state *dc_get_stream_at_index(struct dc *dc, uint8_t i)
 {
-	struct dc *core_dc = dc;
-	if (i < core_dc->current_context->stream_count)
-		return core_dc->current_context->streams[i];
+	if (i < dc->current_context->stream_count)
+		return dc->current_context->streams[i];
 	return NULL;
 }
 
 struct dc_link *dc_get_link_at_index(struct dc *dc, uint32_t link_index)
 {
-	struct dc  *core_dc = dc;
-	return core_dc->links[link_index];
+	return dc->links[link_index];
 }
 
 struct dwbc *dc_get_dwb_at_pipe(struct dc *dc, uint32_t pipe)
 {
-	struct dc *core_dc = dc;
 	if ((pipe >= dwb_pipe0) && (pipe < dwb_pipe_max_num)) {
-		return core_dc->res_pool->dwbc[(int)pipe];
+		return dc->res_pool->dwbc[(int)pipe];
 	} else {
 		return NULL;
 	}
@@ -1585,21 +1567,18 @@ struct dwbc *dc_get_dwb_at_pipe(struct dc *dc, uint32_t pipe)
 const struct graphics_object_id dc_get_link_id_at_index(
 	struct dc *dc, uint32_t link_index)
 {
-	struct dc *core_dc = dc;
-	return core_dc->links[link_index]->link_id;
+	return dc->links[link_index]->link_id;
 }
 
 enum dc_irq_source dc_get_hpd_irq_source_at_index(
 	struct dc *dc, uint32_t link_index)
 {
-	struct dc *core_dc = dc;
-	return core_dc->links[link_index]->irq_source_hpd;
+	return dc->links[link_index]->irq_source_hpd;
 }
 
 const struct audio **dc_get_audios(struct dc *dc)
 {
-	struct dc *core_dc = dc;
-	return (const struct audio **)core_dc->res_pool->audios;
+	return (const struct audio **)dc->res_pool->audios;
 }
 
 void dc_flip_plane_addrs(
@@ -1633,25 +1612,21 @@ enum dc_irq_source dc_interrupt_to_irq_source(
 		uint32_t src_id,
 		uint32_t ext_id)
 {
-	struct dc *core_dc = dc;
-	return dal_irq_service_to_irq_source(core_dc->res_pool->irqs, src_id, ext_id);
+	return dal_irq_service_to_irq_source(dc->res_pool->irqs, src_id, ext_id);
 }
 
 void dc_interrupt_set(struct dc *dc, enum dc_irq_source src, bool enable)
 {
-	struct dc *core_dc;
 
 	if (dc == NULL)
 		return;
-	core_dc = dc;
 
-	dal_irq_service_set(core_dc->res_pool->irqs, src, enable);
+	dal_irq_service_set(dc->res_pool->irqs, src, enable);
 }
 
 void dc_interrupt_ack(struct dc *dc, enum dc_irq_source src)
 {
-	struct dc  *core_dc = dc;
-	dal_irq_service_ack(core_dc->res_pool->irqs, src);
+	dal_irq_service_ack(dc->res_pool->irqs, src);
 }
 
 void dc_set_power_state(
@@ -1659,7 +1634,6 @@ void dc_set_power_state(
 	enum dc_acpi_cm_power_state power_state,
 	enum dc_video_power_state video_power_state)
 {
-	struct dc  *core_dc = dc;
 	atomic_t ref_count;
 
 	core_dc->previous_power_state = core_dc->current_power_state;
@@ -1667,13 +1641,13 @@ void dc_set_power_state(
 
 	switch (power_state) {
 	case DC_ACPI_CM_POWER_STATE_D0:
-		core_dc->hwss.init_hw(core_dc);
+		dc->hwss.init_hw(dc);
 		break;
 	default:
 		/* NULL means "reset/release all DC streams" */
 		dc_commit_streams(dc, NULL, 0);
 
-		core_dc->hwss.power_down(core_dc);
+		dc->hwss.power_down(dc);
 
 		/* Zero out the current context so that on resume we start with
 		 * clean state, and dc hw programming optimizations will not
@@ -1681,11 +1655,11 @@ void dc_set_power_state(
 		 */
 
 		/* Preserve refcount */
-		ref_count = core_dc->current_context->ref_count;
-		dc_resource_validate_ctx_destruct(core_dc->current_context);
-		memset(core_dc->current_context, 0,
-				sizeof(*core_dc->current_context));
-		core_dc->current_context->ref_count = ref_count;
+		ref_count = dc->current_context->ref_count;
+		dc_resource_validate_ctx_destruct(dc->current_context);
+		memset(dc->current_context, 0,
+				sizeof(*dc->current_context));
+		dc->current_context->ref_count = ref_count;
 
 		break;
 	}
@@ -1694,12 +1668,11 @@ void dc_set_power_state(
 
 void dc_resume(struct dc *dc)
 {
-	struct dc  *core_dc = dc;
 
 	uint32_t i;
 
-	for (i = 0; i < core_dc->link_count; i++)
-		core_link_resume(core_dc->links[i]);
+	for (i = 0; i < dc->link_count; i++)
+		core_link_resume(dc->links[i]);
 }
 
 bool dc_read_aux_dpcd(
@@ -1709,9 +1682,8 @@ bool dc_read_aux_dpcd(
 		uint8_t *data,
 		uint32_t size)
 {
-	struct dc  *core_dc = dc;
 
-	struct dc_link *link = core_dc->links[link_index];
+	struct dc_link *link = dc->links[link_index];
 	enum ddc_result r = dal_ddc_service_read_dpcd_data(
 			link->ddc,
 			false,
@@ -1729,8 +1701,7 @@ bool dc_write_aux_dpcd(
 		const uint8_t *data,
 		uint32_t size)
 {
-	struct dc  *core_dc = dc;
-	struct dc_link *link = core_dc->links[link_index];
+	struct dc_link *link = dc->links[link_index];
 
 	enum ddc_result r = dal_ddc_service_write_dpcd_data(
 			link->ddc,
@@ -1750,9 +1721,8 @@ bool dc_read_aux_i2c(
 		uint8_t *data,
 		uint32_t size)
 {
-	struct dc  *core_dc = dc;
 
-		struct dc_link *link = core_dc->links[link_index];
+		struct dc_link *link = dc->links[link_index];
 		enum ddc_result r = dal_ddc_service_read_dpcd_data(
 			link->ddc,
 			true,
@@ -1771,8 +1741,7 @@ bool dc_write_aux_i2c(
 		const uint8_t *data,
 		uint32_t size)
 {
-	struct dc  *core_dc = dc;
-	struct dc_link *link = core_dc->links[link_index];
+	struct dc_link *link = dc->links[link_index];
 
 	enum ddc_result r = dal_ddc_service_write_dpcd_data(
 			link->ddc,
@@ -1793,9 +1762,8 @@ bool dc_query_ddc_data(
 		uint8_t *read_buf,
 		uint32_t read_size) {
 
-	struct dc  *core_dc = dc;
 
-	struct dc_link *link = core_dc->links[link_index];
+	struct dc_link *link = dc->links[link_index];
 
 	bool result = dal_ddc_service_query_ddc_data(
 			link->ddc,
@@ -1813,9 +1781,8 @@ bool dc_submit_i2c(
 		uint32_t link_index,
 		struct i2c_command *cmd)
 {
-	struct dc  *core_dc = dc;
 
-	struct dc_link *link = core_dc->links[link_index];
+	struct dc_link *link = dc->links[link_index];
 	struct ddc_service *ddc = link->ddc;
 
 	return dal_i2caux_submit_i2c_command(
@@ -1932,12 +1899,11 @@ void dc_link_remove_remote_sink(struct dc_link *link, struct dc_sink *sink)
 bool dc_init_dchub(struct dc *dc, struct dchub_init_data *dh_data)
 {
 	int i;
-	struct dc  *core_dc = dc;
 	struct mem_input *mi = NULL;
 
-	for (i = 0; i < core_dc->res_pool->pipe_count; i++) {
-		if (core_dc->res_pool->mis[i] != NULL) {
-			mi = core_dc->res_pool->mis[i];
+	for (i = 0; i < dc->res_pool->pipe_count; i++) {
+		if (dc->res_pool->mis[i] != NULL) {
+			mi = dc->res_pool->mis[i];
 			break;
 		}
 	}
@@ -1946,10 +1912,10 @@ bool dc_init_dchub(struct dc *dc, struct dchub_init_data *dh_data)
 		return false;
 	}
 
-	if (core_dc->hwss.update_dchub)
-		core_dc->hwss.update_dchub(core_dc->hwseq, dh_data);
+	if (dc->hwss.update_dchub)
+		dc->hwss.update_dchub(dc->hwseq, dh_data);
 	else
-		ASSERT(core_dc->hwss.update_dchub);
+		ASSERT(dc->hwss.update_dchub);
 
 
 	return true;
@@ -1958,9 +1924,8 @@ bool dc_init_dchub(struct dc *dc, struct dchub_init_data *dh_data)
 
 void dc_log_hw_state(struct dc *dc)
 {
-	struct dc *core_dc = dc;
 
-	if (core_dc->hwss.log_hw_state)
-		core_dc->hwss.log_hw_state(core_dc);
+	if (dc->hwss.log_hw_state)
+		dc->hwss.log_hw_state(dc);
 }
 
diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
index f49203b..52350d0 100644
--- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
+++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
@@ -145,7 +145,6 @@ struct mod_freesync *mod_freesync_create(struct dc *dc)
 	struct core_freesync *core_freesync =
 			dm_alloc(sizeof(struct core_freesync));
 
-	struct dc  *core_dc = dc;
 
 	struct persistent_data_flag flag;
 
@@ -176,19 +175,19 @@ struct mod_freesync *mod_freesync_create(struct dc *dc)
 	/* Create initial module folder in registry for freesync enable data */
 	flag.save_per_edid = true;
 	flag.save_per_link = false;
-	dm_write_persistent_data(core_dc->ctx, NULL, FREESYNC_REGISTRY_NAME,
+	dm_write_persistent_data(dc->ctx, NULL, FREESYNC_REGISTRY_NAME,
 			NULL, NULL, 0, &flag);
 	flag.save_per_edid = false;
 	flag.save_per_link = false;
 
-	if (dm_read_persistent_data(core_dc->ctx, NULL, NULL,
+	if (dm_read_persistent_data(dc->ctx, NULL, NULL,
 			FREESYNC_NO_STATIC_FOR_INTERNAL_REGKEY,
 			&data, sizeof(data), &flag)) {
 		core_freesync->opts.drr_internal_supported =
 			(data & 1) ? false : true;
 	}
 
-	if (dm_read_persistent_data(core_dc->ctx, NULL, NULL,
+	if (dm_read_persistent_data(dc->ctx, NULL, NULL,
 			FREESYNC_NO_STATIC_FOR_EXTERNAL_DP_REGKEY,
 			&data, sizeof(data), &flag)) {
 		core_freesync->opts.drr_external_supported =
@@ -245,7 +244,7 @@ static unsigned int map_index_from_stream(struct core_freesync *core_freesync,
 bool mod_freesync_add_stream(struct mod_freesync *mod_freesync,
 		struct dc_stream_state *stream, struct mod_freesync_caps *caps)
 {
-	struct dc  *core_dc = NULL;
+	struct dc  *dc = NULL;
 	struct core_freesync *core_freesync = NULL;
 	int persistent_freesync_enable = 0;
 	struct persistent_data_flag flag;
@@ -256,7 +255,7 @@ bool mod_freesync_add_stream(struct mod_freesync *mod_freesync,
 		return false;
 
 	core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
-	core_dc = core_freesync->dc;
+	dc = core_freesync->dc;
 
 	flag.save_per_edid = true;
 	flag.save_per_link = false;
@@ -287,7 +286,7 @@ bool mod_freesync_add_stream(struct mod_freesync *mod_freesync,
 			static_ramp.ramp_is_active = false;
 
 		/* get persistent data from registry */
-		if (dm_read_persistent_data(core_dc->ctx, stream->sink,
+		if (dm_read_persistent_data(dc->ctx, stream->sink,
 					FREESYNC_REGISTRY_NAME,
 					"userenable", &persistent_freesync_enable,
 					sizeof(int), &flag)) {
@@ -970,14 +969,14 @@ bool mod_freesync_set_user_enable(struct mod_freesync *mod_freesync,
 	unsigned int stream_index, map_index;
 	int persistent_data = 0;
 	struct persistent_data_flag flag;
-	struct dc  *core_dc = NULL;
+	struct dc  *dc = NULL;
 	struct core_freesync *core_freesync = NULL;
 
 	if (mod_freesync == NULL)
 		return false;
 
 	core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
-	core_dc = core_freesync->dc;
+	dc = core_freesync->dc;
 
 	flag.save_per_edid = true;
 	flag.save_per_link = false;
@@ -1001,7 +1000,7 @@ bool mod_freesync_set_user_enable(struct mod_freesync *mod_freesync,
 				enable_for_video)
 			persistent_data = persistent_data | 4;
 
-		dm_write_persistent_data(core_dc->ctx,
+		dm_write_persistent_data(dc->ctx,
 					streams[stream_index]->sink,
 					FREESYNC_REGISTRY_NAME,
 					"userenable",
-- 
2.7.4