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From 72b12b5af8807311dfe183976240e7d965de912f Mon Sep 17 00:00:00 2001
From: Alex Hung <alex.hung@amd.com>
Date: Mon, 25 Apr 2022 14:02:25 -0600
Subject: drm/amd/display: remove redundant CONFIG_DRM_AMD_DC_DCN for z10
Git-commit: e91241c0306dba4b04cc84b6b4748d5a1279285f
Patch-mainline: v5.19-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225

[Why & How]
CONFIG_DRM_AMD_DC_DCN is used by pass the compilation failures, but DC
code should be OS-agnostic.

This patch fixes it by removing unnecessasry CONFIG_DRM_AMD_DC_DCN
for enabling z10.

Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/amd/display/dc/core/dc.c        | 10 ++--------
 drivers/gpu/drm/amd/display/dc/core/dc_link.c   |  4 ----
 drivers/gpu/drm/amd/display/dc/core/dc_stream.c |  4 ----
 3 files changed, 2 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 1eeea7c184ae..e41a48f596a3 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1674,7 +1674,6 @@ static uint8_t get_stream_mask(struct dc *dc, struct dc_state *context)
 	return stream_mask;
 }
 
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 void dc_z10_restore(const struct dc *dc)
 {
 	if (dc->hwss.z10_restore)
@@ -1686,7 +1685,7 @@ void dc_z10_save_init(struct dc *dc)
 	if (dc->hwss.z10_save_init)
 		dc->hwss.z10_save_init(dc);
 }
-#endif
+
 /*
  * Applies given context to HW and copy it into current context.
  * It's up to the user to release the src context afterwards.
@@ -1700,10 +1699,8 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c
 	struct dc_stream_state *dc_streams[MAX_STREAMS] = {0};
 	struct dc_state *old_state;
 
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 	dc_z10_restore(dc);
 	dc_allow_idle_optimizations(dc, false);
-#endif
 
 	for (i = 0; i < context->stream_count; i++)
 		dc_streams[i] =  context->streams[i];
@@ -2839,9 +2836,7 @@ static void commit_planes_for_stream(struct dc *dc,
 	struct pipe_ctx *top_pipe_to_program = NULL;
 	bool should_lock_all_pipes = (update_type != UPDATE_TYPE_FAST);
 
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 	dc_z10_restore(dc);
-#endif
 
 	if (get_seamless_boot_stream_count(context) > 0 && surface_count > 0) {
 		/* Optimize seamless boot flag keeps clocks and watermarks high until
@@ -3298,9 +3293,8 @@ void dc_set_power_state(
 	case DC_ACPI_CM_POWER_STATE_D0:
 		dc_resource_state_construct(dc, dc->current_state);
 
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 		dc_z10_restore(dc);
-#endif
+
 		if (dc->ctx->dmub_srv)
 			dc_dmub_srv_wait_phy_init(dc->ctx->dmub_srv);
 
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 9529b924742e..67ef357e5798 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -879,9 +879,7 @@ static bool should_prepare_phy_clocks_for_link_verification(const struct dc *dc,
 
 static void prepare_phy_clocks_for_destructive_link_verification(const struct dc *dc)
 {
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 	dc_z10_restore(dc);
-#endif
 	clk_mgr_exit_optimized_pwr_state(dc, dc->clk_mgr);
 }
 
@@ -3098,10 +3096,8 @@ bool dc_link_set_psr_allow_active(struct dc_link *link, const bool *allow_active
 	if (allow_active && link->psr_settings.psr_allow_active != *allow_active) {
 		link->psr_settings.psr_allow_active = *allow_active;
 
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 		if (!link->psr_settings.psr_allow_active)
 			dc_z10_restore(dc);
-#endif
 
 		if (psr != NULL && link->psr_settings.psr_feature_enabled) {
 			psr->funcs->psr_enable(psr, link->psr_settings.psr_allow_active, wait, panel_inst);
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
index acca35d86c10..de8b214132a2 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
@@ -333,7 +333,6 @@ bool dc_stream_set_cursor_attributes(
 	dc = stream->ctx->dc;
 	stream->cursor_attributes = *attributes;
 
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 	dc_z10_restore(dc);
 	/* disable idle optimizations while updating cursor */
 	if (dc->idle_optimizations_allowed) {
@@ -341,7 +340,6 @@ bool dc_stream_set_cursor_attributes(
 		reset_idle_optimizations = true;
 	}
 
-#endif
 	program_cursor_attributes(dc, stream, attributes);
 
 	/* re-enable idle optimizations if necessary */
@@ -405,7 +403,6 @@ bool dc_stream_set_cursor_position(
 	}
 
 	dc = stream->ctx->dc;
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 	dc_z10_restore(dc);
 
 	/* disable idle optimizations if enabling cursor */
@@ -414,7 +411,6 @@ bool dc_stream_set_cursor_position(
 		reset_idle_optimizations = true;
 	}
 
-#endif
 	stream->cursor_position = *position;
 
 	program_cursor_position(dc, stream, position);
-- 
2.38.1