drm/amd/display: remove redundant CONFIG_DRM_AMD_DC_DCN in amdgpu_dm

[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
in amdgpu_dm directory.
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>

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

@@ -83,7 +83,6 @@
 #include <drm/drm_vblank.h>
 #include <drm/drm_audio_component.h>
 
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 #include "ivsrcid/dcn/irqsrcs_dcn_1_0.h"
 
 #include "dcn/dcn_1_0_offset.h"
@@ -92,7 +91,6 @@
 #include "vega10_ip_offset.h"
 
 #include "soc15_common.h"
-#endif
 
 #include "modules/inc/mod_freesync.h"
 #include "modules/power/power_helpers.h"
@@ -603,7 +601,6 @@ static void dm_crtc_high_irq(void *interrupt_params)
 	spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
 }
 
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
 /**
  * dm_dcn_vertical_interrupt0_high_irq() - Handles OTG Vertical interrupt0 for
@@ -827,7 +824,6 @@ static void dm_dmub_outbox1_low_irq(void *interrupt_params)
 	if (count > DMUB_TRACE_MAX_READ)
 		DRM_DEBUG_DRIVER("Warning : count > DMUB_TRACE_MAX_READ");
 }
-#endif /* CONFIG_DRM_AMD_DC_DCN */
 
 static int dm_set_clockgating_state(void *handle,
 		  enum amd_clockgating_state state)
@@ -1125,9 +1121,7 @@ static int dm_dmub_hw_init(struct amdgpu_device *adev)
 	switch (adev->ip_versions[DCE_HWIP][0]) {
 	case IP_VERSION(3, 1, 3): /* Only for this asic hw internal rev B0 */
 		hw_params.dpia_supported = true;
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 		hw_params.disable_dpia = adev->dm.dc->debug.dpia_debug.bits.disable_dpia;
-#endif
 		break;
 	default:
 		break;
@@ -1189,7 +1183,6 @@ static void dm_dmub_hw_resume(struct amdgpu_device *adev)
 	}
 }
 
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 static void mmhub_read_system_context(struct amdgpu_device *adev, struct dc_phy_addr_space_config *pa_config)
 {
 	uint64_t pt_base;
@@ -1244,8 +1237,7 @@ static void mmhub_read_system_context(struct amdgpu_device *adev, struct dc_phy_
 	pa_config->is_hvm_enabled = 0;
 
 }
-#endif
-#if defined(CONFIG_DRM_AMD_DC_DCN)
+
 static void vblank_control_worker(struct work_struct *work)
 {
 	struct vblank_control_work *vblank_work =
@@ -1282,8 +1274,6 @@ static void vblank_control_worker(struct work_struct *work)
 	kfree(vblank_work);
 }
 
-#endif
-
 static void dm_handle_hpd_rx_offload_work(struct work_struct *work)
 {
 	struct hpd_rx_irq_offload_work *offload_work;
@@ -1410,9 +1400,7 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
 
 	mutex_init(&adev->dm.dc_lock);
 	mutex_init(&adev->dm.audio_lock);
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 	spin_lock_init(&adev->dm.vblank_lock);
-#endif
 
 	if(amdgpu_dm_irq_init(adev)) {
 		DRM_ERROR("amdgpu: failed to initialize DM IRQ support.\n");
@@ -1505,12 +1493,10 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
 	if (amdgpu_dc_feature_mask & DC_EDP_NO_POWER_SEQUENCING)
 		init_data.flags.edp_no_power_sequencing = true;
 
-#ifdef CONFIG_DRM_AMD_DC_DCN
 	if (amdgpu_dc_feature_mask & DC_DISABLE_LTTPR_DP1_4A)
 		init_data.flags.allow_lttpr_non_transparent_mode.bits.DP1_4A = true;
 	if (amdgpu_dc_feature_mask & DC_DISABLE_LTTPR_DP2_0)
 		init_data.flags.allow_lttpr_non_transparent_mode.bits.DP2_0 = true;
-#endif
 
 	init_data.flags.seamless_boot_edp_requested = false;
 
@@ -1566,7 +1552,6 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
 		goto error;
 	}
 
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 	if ((adev->flags & AMD_IS_APU) && (adev->asic_type >= CHIP_CARRIZO)) {
 		struct dc_phy_addr_space_config pa_config;
 
@@ -1575,7 +1560,6 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
 		// Call the DC init_memory func
 		dc_setup_system_context(adev->dm.dc, &pa_config);
 	}
-#endif
 
 	adev->dm.freesync_module = mod_freesync_create(adev->dm.dc);
 	if (!adev->dm.freesync_module) {
@@ -1587,14 +1571,12 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
 
 	amdgpu_dm_init_color_mod();
 
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 	if (adev->dm.dc->caps.max_links > 0) {
 		adev->dm.vblank_control_workqueue =
 			create_singlethread_workqueue("dm_vblank_control_workqueue");
 		if (!adev->dm.vblank_control_workqueue)
 			DRM_ERROR("amdgpu: failed to initialize vblank_workqueue.\n");
 	}
-#endif
 
 #ifdef CONFIG_DRM_AMD_DC_HDCP
 	if (adev->dm.dc->caps.max_links > 0 && adev->family >= AMDGPU_FAMILY_RV) {
@@ -1626,7 +1608,6 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
 		}
 
 		amdgpu_dm_outbox_init(adev);
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 		if (!register_dmub_notify_callback(adev, DMUB_NOTIFICATION_AUX_REPLY,
 			dmub_aux_setconfig_callback, false)) {
 			DRM_ERROR("amdgpu: fail to register dmub aux callback");
@@ -1640,7 +1621,6 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
 			DRM_ERROR("amdgpu: fail to register dmub hpd callback");
 			goto error;
 		}
-#endif /* CONFIG_DRM_AMD_DC_DCN */
 	}
 
 	if (amdgpu_dm_initialize_drm_device(adev)) {
@@ -1687,12 +1667,10 @@ static void amdgpu_dm_fini(struct amdgpu_device *adev)
 {
 	int i;
 
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 	if (adev->dm.vblank_control_workqueue) {
 		destroy_workqueue(adev->dm.vblank_control_workqueue);
 		adev->dm.vblank_control_workqueue = NULL;
 	}
-#endif
 
 	for (i = 0; i < adev->dm.display_indexes_num; i++) {
 		drm_encoder_cleanup(&adev->dm.mst_encoders[i].base);
@@ -2403,9 +2381,7 @@ static int dm_suspend(void *handle)
 	if (amdgpu_in_reset(adev)) {
 		mutex_lock(&dm->dc_lock);
 
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 		dc_allow_idle_optimizations(adev->dm.dc, false);
-#endif
 
 		dm->cached_dc_state = dc_copy_state(dm->dc->current_state);
 
@@ -3558,7 +3534,6 @@ static int dce110_register_irq_handlers(struct amdgpu_device *adev)
 	return 0;
 }
 
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 /* Register IRQ sources and initialize IRQ callbacks */
 static int dcn10_register_irq_handlers(struct amdgpu_device *adev)
 {
@@ -3747,7 +3722,6 @@ static int register_outbox_irq_handlers(struct amdgpu_device *adev)
 
 	return 0;
 }
-#endif
 
 /*
  * Acquires the lock for the atomic state object and returns
@@ -4251,7 +4225,6 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
 			goto fail;
 		}
 
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 	/* Use Outbox interrupt */
 	switch (adev->ip_versions[DCE_HWIP][0]) {
 	case IP_VERSION(3, 0, 0):
@@ -4284,7 +4257,6 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
 			break;
 		}
 	}
-#endif
 
 	/* Disable vblank IRQs aggressively for power-saving. */
 	adev_to_drm(adev)->vblank_disable_immediate = true;
@@ -4380,7 +4352,6 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
 		}
 		break;
 	default:
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 		switch (adev->ip_versions[DCE_HWIP][0]) {
 		case IP_VERSION(1, 0, 0):
 		case IP_VERSION(1, 0, 1):
@@ -4406,7 +4377,6 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
 					adev->ip_versions[DCE_HWIP][0]);
 			goto fail;
 		}
-#endif
 		break;
 	}
 
@@ -4555,7 +4525,7 @@ static int dm_early_init(void *handle)
 		adev->mode_info.num_dig = 6;
 		break;
 	default:
-#if defined(CONFIG_DRM_AMD_DC_DCN)
+
 		switch (adev->ip_versions[DCE_HWIP][0]) {
 		case IP_VERSION(2, 0, 2):
 		case IP_VERSION(3, 0, 0):
@@ -4592,7 +4562,6 @@ static int dm_early_init(void *handle)
 					adev->ip_versions[DCE_HWIP][0]);
 			return -EINVAL;
 		}
-#endif
 		break;
 	}
 
@@ -6646,10 +6615,8 @@ static inline int dm_set_vblank(struct drm_crtc *crtc, bool enable)
 	struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
 	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
 	struct dm_crtc_state *acrtc_state = to_dm_crtc_state(crtc->state);
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 	struct amdgpu_display_manager *dm = &adev->dm;
 	struct vblank_control_work *work;
-#endif
 	int rc = 0;
 
 	if (enable) {
@@ -6672,7 +6639,6 @@ static inline int dm_set_vblank(struct drm_crtc *crtc, bool enable)
 	if (amdgpu_in_reset(adev))
 		return 0;
 
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 	if (dm->vblank_control_workqueue) {
 		work = kzalloc(sizeof(*work), GFP_ATOMIC);
 		if (!work)
@@ -6690,7 +6656,6 @@ static inline int dm_set_vblank(struct drm_crtc *crtc, bool enable)
 
 		queue_work(dm->vblank_control_workqueue, &work->work);
 	}
-#endif
 
 	return 0;
 }
@@ -9365,14 +9330,12 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
 	/* Update the planes if changed or disable if we don't have any. */
 	if ((planes_count || acrtc_state->active_planes == 0) &&
 		acrtc_state->stream) {
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 		/*
 		 * If PSR or idle optimizations are enabled then flush out
 		 * any pending work before hardware programming.
 		 */
 		if (dm->vblank_control_workqueue)
 			flush_workqueue(dm->vblank_control_workqueue);
-#endif
 
 		bundle->stream_update.stream = acrtc_state->stream;
 		if (new_pcrtc_state->mode_changed) {
@@ -9705,21 +9668,18 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
 	if (dc_state) {
 		/* if there mode set or reset, disable eDP PSR */
 		if (mode_set_reset_required) {
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 			if (dm->vblank_control_workqueue)
 				flush_workqueue(dm->vblank_control_workqueue);
-#endif
+
 			amdgpu_dm_psr_disable_all(dm);
 		}
 
 		dm_enable_per_frame_crtc_master_sync(dc_state);
 		mutex_lock(&dm->dc_lock);
 		WARN_ON(!dc_commit_state(dm->dc, dc_state));
-#if defined(CONFIG_DRM_AMD_DC_DCN)
                /* Allow idle optimization when vblank count is 0 for display off */
                if (dm->active_vblank_irq_count == 0)
                    dc_allow_idle_optimizations(dm->dc,true);
-#endif
 		mutex_unlock(&dm->dc_lock);
 	}
 

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h

@@ -358,14 +358,12 @@ struct amdgpu_display_manager {
 	 */
 	struct mutex audio_lock;
 
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 	/**
 	 * @vblank_lock:
 	 *
 	 * Guards access to deferred vblank work state.
 	 */
 	spinlock_t vblank_lock;
-#endif
 
 	/**
 	 * @audio_component:
@@ -469,14 +467,12 @@ struct amdgpu_display_manager {
 	struct hdcp_workqueue *hdcp_workqueue;
 #endif
 
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 	/**
 	 * @vblank_control_workqueue:
 	 *
 	 * Deferred work for vblank control events.
 	 */
 	struct workqueue_struct *vblank_control_workqueue;
-#endif
 
 	struct drm_atomic_state *cached_state;
 	struct dc_state *cached_dc_state;
@@ -493,14 +489,12 @@ struct amdgpu_display_manager {
 	 */
 	const struct gpu_info_soc_bounding_box_v1_0 *soc_bounding_box;
 
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 	/**
 	 * @active_vblank_irq_count:
 	 *
 	 * number of currently active vblank irqs
 	 */
 	uint32_t active_vblank_irq_count;
-#endif
 
 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
 	/**

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c

@@ -291,9 +291,7 @@ static ssize_t dp_link_settings_write(struct file *f, const char __user *buf,
 	case LINK_RATE_RBR2:
 	case LINK_RATE_HIGH2:
 	case LINK_RATE_HIGH3:
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 	case LINK_RATE_UHBR10:
-#endif
 		break;
 	default:
 		valid_input = false;
@@ -3411,7 +3409,6 @@ static int disable_hpd_get(void *data, u64 *val)
 DEFINE_DEBUGFS_ATTRIBUTE(disable_hpd_ops, disable_hpd_get,
 			 disable_hpd_set, "%llu\n");
 
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 /*
  * Temporary w/a to force sst sequence in M42D DP2 mst receiver
  * Example usage: echo 1 > /sys/kernel/debug/dri/0/amdgpu_dm_dp_set_mst_en_for_sst
@@ -3459,7 +3456,6 @@ static int dp_ignore_cable_id_get(void *data, u64 *val)
 }
 DEFINE_DEBUGFS_ATTRIBUTE(dp_ignore_cable_id_ops, dp_ignore_cable_id_get,
 			 dp_ignore_cable_id_set, "%llu\n");
-#endif
 
 /*
  * Sets the DC visual confirm debug option from the given string.
@@ -3608,12 +3604,10 @@ void dtn_debugfs_init(struct amdgpu_device *adev)
 			    adev, &mst_topo_fops);
 	debugfs_create_file("amdgpu_dm_dtn_log", 0644, root, adev,
 			    &dtn_log_fops);
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 	debugfs_create_file("amdgpu_dm_dp_set_mst_en_for_sst", 0644, root, adev,
 				&dp_set_mst_en_for_sst_ops);
 	debugfs_create_file("amdgpu_dm_dp_ignore_cable_id", 0644, root, adev,
 				&dp_ignore_cable_id_ops);
-#endif
 
 	debugfs_create_file_unsafe("amdgpu_dm_visual_confirm", 0644, root, adev,
 				   &visual_confirm_fops);

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c

@@ -977,9 +977,7 @@ void dm_set_phyd32clk(struct dc_context *ctx, int freq_khz)
        // TODO
 }
 
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 void dm_helpers_enable_periodic_detection(struct dc_context *ctx, bool enable)
 {
 	/* TODO: add periodic detection implementation */
 }
-#endif

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c

@@ -45,12 +45,10 @@
 #include "amdgpu_dm_debugfs.h"
 #endif
 
-#if defined(CONFIG_DRM_AMD_DC_DCN)
 #include "dc/dcn20/dcn20_resource.h"
 bool is_timing_changed(struct dc_stream_state *cur_stream,
 		       struct dc_stream_state *new_stream);
 
-#endif
 
 static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux,
 				  struct drm_dp_aux_msg *msg)

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h

@@ -46,8 +46,6 @@ void amdgpu_dm_initialize_dp_connector(struct amdgpu_display_manager *dm,
 void
 dm_dp_create_fake_mst_encoders(struct amdgpu_device *adev);
 
-#if defined(CONFIG_DRM_AMD_DC_DCN)
-
 struct dsc_mst_fairness_vars {
 	int pbn;
 	bool dsc_enabled;
@@ -64,6 +62,5 @@ bool needs_dsc_aux_workaround(struct dc_link *link);
 void pre_validate_dsc(struct drm_atomic_state *state,
 		      struct dm_atomic_state **dm_state_ptr,
 		      struct dsc_mst_fairness_vars *vars);
-#endif
 
 #endif

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c

@@ -29,7 +29,6 @@
 #include "amdgpu_dm.h"
 #include "modules/power/power_helpers.h"
 
-#ifdef CONFIG_DRM_AMD_DC_DCN
 static bool link_supports_psrsu(struct dc_link *link)
 {
 	struct dc *dc = link->ctx->dc;
@@ -53,7 +52,6 @@ static bool link_supports_psrsu(struct dc_link *link)
 
 	return true;
 }
-#endif
 
 /*
  * amdgpu_dm_set_psr_caps() - set link psr capabilities
@@ -73,11 +71,9 @@ void amdgpu_dm_set_psr_caps(struct dc_link *link)
 		link->psr_settings.psr_feature_enabled = false;
 
 	} else {
-#ifdef CONFIG_DRM_AMD_DC_DCN
 		if (link_supports_psrsu(link))
 			link->psr_settings.psr_version = DC_PSR_VERSION_SU_1;
 		else
-#endif
 			link->psr_settings.psr_version = DC_PSR_VERSION_1;
 
 		link->psr_settings.psr_feature_enabled = true;