path: root/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0287-drm-amd-display-remove-dc_pre_update_surfaces_to_str.patch

From bdabcadfa39f2b8772276d3ba5d852a3a8cad74f Mon Sep 17 00:00:00 2001
From: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Date: Tue, 14 Mar 2017 12:30:29 -0400
Subject: [PATCH 0287/4131] drm/amd/display: remove
 dc_pre_update_surfaces_to_stream from dc use

Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc.c           | 115 ++-------------------
 drivers/gpu/drm/amd/display/dc/core/dc_resource.c  |   8 +-
 .../amd/display/dc/dce110/dce110_hw_sequencer.c    |  45 --------
 .../drm/amd/display/dc/dce110/dce110_resource.c    |  48 +++++++--
 drivers/gpu/drm/amd/display/dc/inc/core_types.h    |   2 +-
 drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h  |   5 -
 6 files changed, 54 insertions(+), 169 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 26f227d..6409d4d 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -900,106 +900,7 @@ bool dc_pre_update_surfaces_to_stream(
 		uint8_t new_surface_count,
 		const struct dc_stream *dc_stream)
 {
-	int i, j;
-	struct core_dc *core_dc = DC_TO_CORE(dc);
-	struct dc_stream_status *stream_status = NULL;
-	struct validate_context *context;
-	bool ret = true;
-
-	pre_surface_trace(dc, new_surfaces, new_surface_count);
-
-	if (core_dc->current_context->stream_count == 0)
-		return false;
-
-	/* Cannot commit surface to a stream that is not commited */
-	for (i = 0; i < core_dc->current_context->stream_count; i++)
-		if (dc_stream == &core_dc->current_context->streams[i]->public)
-			break;
-
-	if (i == core_dc->current_context->stream_count)
-		return false;
-
-	stream_status = &core_dc->current_context->stream_status[i];
-
-	if (new_surface_count == stream_status->surface_count) {
-		bool skip_pre = true;
-
-		for (i = 0; i < stream_status->surface_count; i++) {
-			struct dc_surface temp_surf = { 0 };
-
-			temp_surf = *stream_status->surfaces[i];
-			temp_surf.clip_rect = new_surfaces[i]->clip_rect;
-			temp_surf.dst_rect.x = new_surfaces[i]->dst_rect.x;
-			temp_surf.dst_rect.y = new_surfaces[i]->dst_rect.y;
-
-			if (memcmp(&temp_surf, new_surfaces[i], sizeof(temp_surf)) != 0) {
-				skip_pre = false;
-				break;
-			}
-		}
-
-		if (skip_pre)
-			return true;
-	}
-
-	context = dm_alloc(sizeof(struct validate_context));
-
-	if (!context) {
-		dm_error("%s: failed to create validate ctx\n", __func__);
-		ret = false;
-		goto val_ctx_fail;
-	}
-
-	resource_validate_ctx_copy_construct(core_dc->current_context, context);
-
-	dm_logger_write(core_dc->ctx->logger, LOG_DC,
-				"%s: commit %d surfaces to stream 0x%x\n",
-				__func__,
-				new_surface_count,
-				dc_stream);
-
-	if (!resource_attach_surfaces_to_context(
-			new_surfaces, new_surface_count, dc_stream, context)) {
-		BREAK_TO_DEBUGGER();
-		ret = false;
-		goto unexpected_fail;
-	}
-
-	for (i = 0; i < new_surface_count; i++)
-		for (j = 0; j < context->res_ctx.pool->pipe_count; j++) {
-			if (context->res_ctx.pipe_ctx[j].surface !=
-					DC_SURFACE_TO_CORE(new_surfaces[i]))
-				continue;
-
-			resource_build_scaling_params(&context->res_ctx.pipe_ctx[j]);
-		}
-
-	if (!core_dc->res_pool->funcs->validate_bandwidth(core_dc, context)) {
-		BREAK_TO_DEBUGGER();
-		ret = false;
-		goto unexpected_fail;
-	}
-
-	core_dc->hwss.set_bandwidth(core_dc, context, false);
-
-	for (i = 0; i < new_surface_count; i++)
-		for (j = 0; j < context->res_ctx.pool->pipe_count; j++) {
-			if (context->res_ctx.pipe_ctx[j].surface !=
-					DC_SURFACE_TO_CORE(new_surfaces[i]))
-				continue;
-
-			core_dc->hwss.prepare_pipe_for_context(
-					core_dc,
-					&context->res_ctx.pipe_ctx[j],
-					context);
-		}
-
-unexpected_fail:
-	resource_validate_ctx_destruct(context);
-	dm_free(context);
-val_ctx_fail:
-
-	return ret;
+	return true;
 }
 
 bool dc_post_update_surfaces_to_stream(struct dc *dc)
@@ -1050,10 +951,6 @@ bool dc_commit_surfaces_to_stream(
 	struct dc_scaling_info scaling_info[MAX_SURFACES];
 	int i;
 
-	if (!dc_pre_update_surfaces_to_stream(
-			dc, new_surfaces, new_surface_count, dc_stream))
-		return false;
-
 	memset(updates, 0, sizeof(updates));
 	memset(flip_addr, 0, sizeof(flip_addr));
 	memset(plane_info, 0, sizeof(plane_info));
@@ -1423,10 +1320,12 @@ void dc_update_surfaces_and_stream(struct dc *dc,
 				*(srf_updates[i].hdr_static_metadata);
 	}
 
-	if (update_type == UPDATE_TYPE_FULL &&
-			!core_dc->res_pool->funcs->validate_bandwidth(core_dc, context)) {
-		BREAK_TO_DEBUGGER();
-		return;
+	if (update_type == UPDATE_TYPE_FULL) {
+		if (!core_dc->res_pool->funcs->validate_bandwidth(core_dc, context)) {
+			BREAK_TO_DEBUGGER();
+			return;
+		} else
+			core_dc->hwss.set_bandwidth(core_dc, context, false);
 	}
 
 	if (!surface_count)  /* reset */
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 ad37d0e..6700d6b 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -900,10 +900,11 @@ struct pipe_ctx *resource_get_head_pipe_for_stream(
  * that has no surface attached yet
  */
 static struct pipe_ctx *acquire_free_pipe_for_stream(
-		struct resource_context *res_ctx,
+		struct validate_context *context,
 		const struct dc_stream *dc_stream)
 {
 	int i;
+	struct resource_context *res_ctx = &context->res_ctx;
 	struct core_stream *stream = DC_STREAM_TO_CORE(dc_stream);
 
 	struct pipe_ctx *head_pipe = NULL;
@@ -934,7 +935,7 @@ static struct pipe_ctx *acquire_free_pipe_for_stream(
 	if(!res_ctx->pool->funcs->acquire_idle_pipe_for_layer)
 		return NULL;
 
-	return res_ctx->pool->funcs->acquire_idle_pipe_for_layer(res_ctx, stream);
+	return res_ctx->pool->funcs->acquire_idle_pipe_for_layer(context, stream);
 
 }
 
@@ -1001,8 +1002,7 @@ bool resource_attach_surfaces_to_context(
 	tail_pipe = NULL;
 	for (i = 0; i < surface_count; i++) {
 		struct core_surface *surface = DC_SURFACE_TO_CORE(surfaces[i]);
-		struct pipe_ctx *free_pipe = acquire_free_pipe_for_stream(
-				&context->res_ctx, dc_stream);
+		struct pipe_ctx *free_pipe = acquire_free_pipe_for_stream(context, dc_stream);
 
 		if (!free_pipe) {
 			stream_status->surfaces[i] = NULL;
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
index cb7a673e..e5e52c7 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -2094,50 +2094,6 @@ static void init_hw(struct core_dc *dc)
 	}
 }
 
-static void dce110_power_on_pipe_if_needed(
-		struct core_dc *dc,
-		struct pipe_ctx *pipe_ctx,
-		struct validate_context *context)
-{
-	struct pipe_ctx *old_pipe_ctx = &dc->current_context->res_ctx.pipe_ctx[pipe_ctx->pipe_idx];
-	struct dc_bios *dcb = dc->ctx->dc_bios;
-	struct tg_color black_color = {0};
-
-	if (!old_pipe_ctx->stream && pipe_ctx->stream) {
-		dc->hwss.enable_display_power_gating(
-				dc,
-				pipe_ctx->pipe_idx,
-				dcb, PIPE_GATING_CONTROL_DISABLE);
-
-		/*
-		 * This is for powering on underlay, so crtc does not
-		 * need to be enabled
-		 */
-
-		pipe_ctx->tg->funcs->program_timing(pipe_ctx->tg,
-				&pipe_ctx->stream->public.timing,
-				false);
-
-		pipe_ctx->tg->funcs->enable_advanced_request(
-				pipe_ctx->tg,
-				true,
-				&pipe_ctx->stream->public.timing);
-
-		pipe_ctx->mi->funcs->allocate_mem_input(pipe_ctx->mi,
-				pipe_ctx->stream->public.timing.h_total,
-				pipe_ctx->stream->public.timing.v_total,
-				pipe_ctx->stream->public.timing.pix_clk_khz,
-				context->stream_count);
-
-		/* TODO unhardcode*/
-		color_space_to_black_color(dc,
-				COLOR_SPACE_YCBCR601, &black_color);
-		pipe_ctx->tg->funcs->set_blank_color(
-				pipe_ctx->tg,
-				&black_color);
-	}
-}
-
 static void fill_display_configs(
 	const struct validate_context *context,
 	struct dm_pp_display_configuration *pp_display_cfg)
@@ -2481,7 +2437,6 @@ static void dce110_power_down_fe(struct core_dc *dc, struct pipe_ctx *pipe)
 static const struct hw_sequencer_funcs dce110_funcs = {
 	.init_hw = init_hw,
 	.apply_ctx_to_hw = dce110_apply_ctx_to_hw,
-	.prepare_pipe_for_context = dce110_power_on_pipe_if_needed,
 	.apply_ctx_for_surface = dce110_apply_ctx_for_surface,
 	.set_plane_config = set_plane_config,
 	.update_plane_addr = update_plane_addr,
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
index b9d0b5e..e300203 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
@@ -1111,16 +1111,17 @@ enum dc_status dce110_validate_guaranteed(
 	return result;
 }
 
-static struct pipe_ctx *dce110_acquire_idle_pipe_for_layer(
-		struct resource_context *res_ctx,
+static struct pipe_ctx *dce110_acquire_underlay(
+		struct validate_context *context,
 		struct core_stream *stream)
 {
+	struct core_dc *dc = DC_TO_CORE(stream->ctx->dc);
+	struct resource_context *res_ctx = &context->res_ctx;
 	unsigned int underlay_idx = res_ctx->pool->underlay_pipe_index;
 	struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[underlay_idx];
 
-	if (res_ctx->pipe_ctx[underlay_idx].stream) {
+	if (res_ctx->pipe_ctx[underlay_idx].stream)
 		return NULL;
-	}
 
 	pipe_ctx->tg = res_ctx->pool->timing_generators[underlay_idx];
 	pipe_ctx->mi = res_ctx->pool->mis[underlay_idx];
@@ -1132,8 +1133,43 @@ static struct pipe_ctx *dce110_acquire_idle_pipe_for_layer(
 
 	pipe_ctx->stream = stream;
 
-	return pipe_ctx;
+	if (!dc->current_context->res_ctx.pipe_ctx[underlay_idx].stream) {
+		struct tg_color black_color = {0};
+		struct dc_bios *dcb = dc->ctx->dc_bios;
+
+		dc->hwss.enable_display_power_gating(
+				dc,
+				pipe_ctx->pipe_idx,
+				dcb, PIPE_GATING_CONTROL_DISABLE);
+
+		/*
+		 * This is for powering on underlay, so crtc does not
+		 * need to be enabled
+		 */
+
+		pipe_ctx->tg->funcs->program_timing(pipe_ctx->tg,
+				&stream->public.timing,
+				false);
+
+		pipe_ctx->tg->funcs->enable_advanced_request(
+				pipe_ctx->tg,
+				true,
+				&stream->public.timing);
+
+		pipe_ctx->mi->funcs->allocate_mem_input(pipe_ctx->mi,
+				stream->public.timing.h_total,
+				stream->public.timing.v_total,
+				stream->public.timing.pix_clk_khz,
+				context->stream_count);
+
+		color_space_to_black_color(dc,
+				COLOR_SPACE_YCBCR601, &black_color);
+		pipe_ctx->tg->funcs->set_blank_color(
+				pipe_ctx->tg,
+				&black_color);
+	}
 
+	return pipe_ctx;
 }
 
 static void dce110_destroy_resource_pool(struct resource_pool **pool)
@@ -1152,7 +1188,7 @@ static const struct resource_funcs dce110_res_pool_funcs = {
 	.validate_with_context = dce110_validate_with_context,
 	.validate_guaranteed = dce110_validate_guaranteed,
 	.validate_bandwidth = dce110_validate_bandwidth,
-	.acquire_idle_pipe_for_layer = dce110_acquire_idle_pipe_for_layer,
+	.acquire_idle_pipe_for_layer = dce110_acquire_underlay,
 	.build_bit_depth_reduction_params =
 			dce110_resource_build_bit_depth_reduction_params
 };
diff --git a/drivers/gpu/drm/amd/display/dc/inc/core_types.h b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
index faec229..7f3c6da 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/core_types.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
@@ -210,7 +210,7 @@ struct resource_funcs {
 					struct validate_context *context);
 
 	struct pipe_ctx *(*acquire_idle_pipe_for_layer)(
-			struct resource_context *res_ctx,
+			struct validate_context *context,
 			struct core_stream *stream);
 
 	void (*build_bit_depth_reduction_params)(
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
index 98a04cd..bcb2672 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
@@ -57,11 +57,6 @@ struct hw_sequencer_funcs {
 	void (*reset_hw_ctx_wrap)(
 			struct core_dc *dc, struct validate_context *context);
 
-	void (*prepare_pipe_for_context)(
-			struct core_dc *dc,
-			struct pipe_ctx *pipe_ctx,
-			struct validate_context *context);
-
 	void (*apply_ctx_for_surface)(
 			struct core_dc *dc,
 			struct core_surface *surface,
-- 
2.7.4