drm/amd/display: Drop CONFIG_DRM_AMD_DC_DMUB guards

[Why]
Support for DMUB only depends on support for DC. It doesn't use floating
point so we don't need to guard it by any specific DCN revision.

[How]
Drop the guards and cleanup the newlines around each one.

Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

17 files changed, 22 insertions, 117 deletions

diff --git a/drivers/gpu/drm/amd/display/Kconfig b/drivers/gpu/drm/amd/display/Kconfig
index fced39e229d5..313183b80032 100644
--- a/drivers/gpu/drm/amd/display/Kconfig
+++ b/drivers/gpu/drm/amd/display/Kconfig
@@ -30,7 +30,6 @@ config DRM_AMD_DC_DCN2_1
 	bool "DCN 2.1 family"
 	depends on DRM_AMD_DC && X86
 	depends on DRM_AMD_DC_DCN2_0
-	select DRM_AMD_DC_DMUB
 	help
 	  Choose this option if you want to have
 	  Renoir support for display engine
@@ -53,11 +52,6 @@ config DRM_AMD_DC_HDCP
 	 if you want to support
 	 HDCP authentication
 
-config DRM_AMD_DC_DMUB
-        def_bool n
-        help
-          DMUB support for display engine
-
 config DEBUG_KERNEL_DC
 	bool "Enable kgdb break in DC"
 	depends on DRM_AMD_DC
diff --git a/drivers/gpu/drm/amd/display/Makefile b/drivers/gpu/drm/amd/display/Makefile
index 3c7332be4a89..2633de77de5e 100644
--- a/drivers/gpu/drm/amd/display/Makefile
+++ b/drivers/gpu/drm/amd/display/Makefile
@@ -34,27 +34,21 @@ subdir-ccflags-y += -I$(FULL_AMD_DISPLAY_PATH)/modules/freesync
 subdir-ccflags-y += -I$(FULL_AMD_DISPLAY_PATH)/modules/color
 subdir-ccflags-y += -I$(FULL_AMD_DISPLAY_PATH)/modules/info_packet
 subdir-ccflags-y += -I$(FULL_AMD_DISPLAY_PATH)/modules/power
+subdir-ccflags-y += -I$(FULL_AMD_DISPLAY_PATH)/dmub/inc
+
 ifdef CONFIG_DRM_AMD_DC_HDCP
 subdir-ccflags-y += -I$(FULL_AMD_DISPLAY_PATH)/modules/hdcp
 endif
 
-ifdef CONFIG_DRM_AMD_DC_DMUB
-subdir-ccflags-y += -I$(FULL_AMD_DISPLAY_PATH)/dmub/inc
-endif
-
 #TODO: remove when Timing Sync feature is complete
 subdir-ccflags-y += -DBUILD_FEATURE_TIMING_SYNC=0
 
-DAL_LIBS = amdgpu_dm dc	modules/freesync modules/color modules/info_packet modules/power
+DAL_LIBS = amdgpu_dm dc	modules/freesync modules/color modules/info_packet modules/power dmub/src
 
 ifdef CONFIG_DRM_AMD_DC_HDCP
 DAL_LIBS += modules/hdcp
 endif
 
-ifdef CONFIG_DRM_AMD_DC_DMUB
-DAL_LIBS += dmub/src
-endif
-
 AMD_DAL = $(addsuffix /Makefile, $(addprefix $(FULL_AMD_DISPLAY_PATH)/,$(DAL_LIBS)))
 
 include $(AMD_DAL)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index ee6ea333ba3d..8e68fec5cc33 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -30,12 +30,10 @@
 #include "dc.h"
 #include "dc/inc/core_types.h"
 #include "dal_asic_id.h"
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 #include "dmub/inc/dmub_srv.h"
 #include "dc/inc/hw/dmcu.h"
 #include "dc/inc/hw/abm.h"
 #include "dc/dc_dmub_srv.h"
-#endif
 
 #include "vid.h"
 #include "amdgpu.h"
@@ -93,10 +91,9 @@
 #include "modules/power/power_helpers.h"
 #include "modules/inc/mod_info_packet.h"
 
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 #define FIRMWARE_RENOIR_DMUB "amdgpu/renoir_dmcub.bin"
 MODULE_FIRMWARE(FIRMWARE_RENOIR_DMUB);
-#endif
+
 #define FIRMWARE_RAVEN_DMCU		"amdgpu/raven_dmcu.bin"
 MODULE_FIRMWARE(FIRMWARE_RAVEN_DMCU);
 
@@ -677,7 +674,6 @@ void amdgpu_dm_audio_eld_notify(struct amdgpu_device *adev, int pin)
 	}
 }
 
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 static int dm_dmub_hw_init(struct amdgpu_device *adev)
 {
 	const unsigned int psp_header_bytes = 0x100;
@@ -816,16 +812,13 @@ static int dm_dmub_hw_init(struct amdgpu_device *adev)
 	return 0;
 }
 
-#endif
 static int amdgpu_dm_init(struct amdgpu_device *adev)
 {
 	struct dc_init_data init_data;
 #ifdef CONFIG_DRM_AMD_DC_HDCP
 	struct dc_callback_init init_params;
 #endif
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 	int r;
-#endif
 
 	adev->dm.ddev = adev->ddev;
 	adev->dm.adev = adev;
@@ -902,14 +895,12 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
 
 	dc_hardware_init(adev->dm.dc);
 
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 	r = dm_dmub_hw_init(adev);
 	if (r) {
 		DRM_ERROR("DMUB interface failed to initialize: status=%d\n", r);
 		goto error;
 	}
 
-#endif
 	adev->dm.freesync_module = mod_freesync_create(adev->dm.dc);
 	if (!adev->dm.freesync_module) {
 		DRM_ERROR(
@@ -982,7 +973,6 @@ static void amdgpu_dm_fini(struct amdgpu_device *adev)
 	if (adev->dm.dc)
 		dc_deinit_callbacks(adev->dm.dc);
 #endif
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 	if (adev->dm.dc->ctx->dmub_srv) {
 		dc_dmub_srv_destroy(&adev->dm.dc->ctx->dmub_srv);
 		adev->dm.dc->ctx->dmub_srv = NULL;
@@ -992,7 +982,6 @@ static void amdgpu_dm_fini(struct amdgpu_device *adev)
 		amdgpu_bo_free_kernel(&adev->dm.dmub_bo,
 				      &adev->dm.dmub_bo_gpu_addr,
 				      &adev->dm.dmub_bo_cpu_addr);
-#endif
 
 	/* DC Destroy TODO: Replace destroy DAL */
 	if (adev->dm.dc)
@@ -1104,7 +1093,6 @@ static int load_dmcu_fw(struct amdgpu_device *adev)
 	return 0;
 }
 
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 static uint32_t amdgpu_dm_dmub_reg_read(void *ctx, uint32_t address)
 {
 	struct amdgpu_device *adev = ctx;
@@ -1190,19 +1178,15 @@ static int dm_dmub_sw_init(struct amdgpu_device *adev)
 	return 0;
 }
 
-#endif
 static int dm_sw_init(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 	int r;
 
 	r = dm_dmub_sw_init(adev);
 	if (r)
 		return r;
 
-#endif
-
 	return load_dmcu_fw(adev);
 }
 
@@ -1210,7 +1194,6 @@ static int dm_sw_fini(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 	if (adev->dm.dmub_srv) {
 		dmub_srv_destroy(adev->dm.dmub_srv);
 		adev->dm.dmub_srv = NULL;
@@ -1221,7 +1204,6 @@ static int dm_sw_fini(void *handle)
 		adev->dm.dmub_fw = NULL;
 	}
 
-#endif
 	if(adev->dm.fw_dmcu) {
 		release_firmware(adev->dm.fw_dmcu);
 		adev->dm.fw_dmcu = NULL;
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
index c636a958e377..ab5da59aadc1 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
@@ -57,10 +57,8 @@ struct amdgpu_device;
 struct drm_device;
 struct amdgpu_dm_irq_handler_data;
 struct dc;
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 struct amdgpu_bo;
 struct dmub_srv;
-#endif
 
 struct common_irq_params {
 	struct amdgpu_device *adev;
@@ -125,7 +123,6 @@ struct amdgpu_display_manager {
 
 	struct dc *dc;
 
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 	/**
 	 * @dmub_srv:
 	 *
@@ -170,7 +167,6 @@ struct amdgpu_display_manager {
 	 */
 	uint32_t dmcub_fw_version;
 
-#endif
 	/**
 	 * @cgs_device:
 	 *
diff --git a/drivers/gpu/drm/amd/display/dc/Makefile b/drivers/gpu/drm/amd/display/dc/Makefile
index 6fe39f6392c7..90482b158283 100644
--- a/drivers/gpu/drm/amd/display/dc/Makefile
+++ b/drivers/gpu/drm/amd/display/dc/Makefile
@@ -70,9 +70,6 @@ AMD_DM_REG_UPDATE = $(addprefix $(AMDDALPATH)/dc/,dc_helper.o)
 AMD_DISPLAY_FILES += $(AMD_DISPLAY_CORE)
 AMD_DISPLAY_FILES += $(AMD_DM_REG_UPDATE)
 
-ifdef CONFIG_DRM_AMD_DC_DMUB
 DC_DMUB += dc_dmub_srv.o
 AMD_DISPLAY_DMUB = $(addprefix $(AMDDALPATH)/dc/,$(DC_DMUB))
 AMD_DISPLAY_FILES += $(AMD_DISPLAY_DMUB)
-endif
-
diff --git a/drivers/gpu/drm/amd/display/dc/bios/command_table2.c b/drivers/gpu/drm/amd/display/dc/bios/command_table2.c
index a3d890050e39..1836f16bb7fe 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/command_table2.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/command_table2.c
@@ -37,10 +37,8 @@
 #include "bios_parser_types_internal2.h"
 #include "amdgpu.h"
 
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 #include "dc_dmub_srv.h"
 #include "dc.h"
-#endif
 
 #define DC_LOGGER \
 	bp->base.ctx->logger
@@ -107,7 +105,6 @@ static void init_dig_encoder_control(struct bios_parser *bp)
 	}
 }
 
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 static void encoder_control_dmcub(
 		struct dc_dmub_srv *dmcub,
 		struct dig_encoder_stream_setup_parameters_v1_5 *dig)
@@ -121,7 +118,7 @@ static void encoder_control_dmcub(
 	dc_dmub_srv_cmd_execute(dmcub);
 	dc_dmub_srv_wait_idle(dmcub);
 }
-#endif
+
 static enum bp_result encoder_control_digx_v1_5(
 	struct bios_parser *bp,
 	struct bp_encoder_control *cntl)
@@ -173,13 +170,12 @@ static enum bp_result encoder_control_digx_v1_5(
 		default:
 			break;
 		}
-#ifdef CONFIG_DRM_AMD_DC_DMUB
+
 	if (bp->base.ctx->dc->ctx->dmub_srv &&
 	    bp->base.ctx->dc->debug.dmub_command_table) {
 		encoder_control_dmcub(bp->base.ctx->dmub_srv, &params);
 		return BP_RESULT_OK;
 	}
-#endif
 
 	if (EXEC_BIOS_CMD_TABLE(digxencodercontrol, params))
 		result = BP_RESULT_OK;
@@ -216,7 +212,7 @@ static void init_transmitter_control(struct bios_parser *bp)
 		break;
 	}
 }
-#ifdef CONFIG_DRM_AMD_DC_DMUB
+
 static void transmitter_control_dmcub(
 		struct dc_dmub_srv *dmcub,
 		struct dig_transmitter_control_parameters_v1_6 *dig)
@@ -230,7 +226,7 @@ static void transmitter_control_dmcub(
 	dc_dmub_srv_cmd_execute(dmcub);
 	dc_dmub_srv_wait_idle(dmcub);
 }
-#endif
+
 static enum bp_result transmitter_control_v1_6(
 	struct bios_parser *bp,
 	struct bp_transmitter_control *cntl)
@@ -262,14 +258,11 @@ static enum bp_result transmitter_control_v1_6(
 		__func__, ps.param.symclk_10khz);
 	}
 
-
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 	if (bp->base.ctx->dc->ctx->dmub_srv &&
 	    bp->base.ctx->dc->debug.dmub_command_table) {
 		transmitter_control_dmcub(bp->base.ctx->dmub_srv, &ps.param);
 		return BP_RESULT_OK;
 	}
-#endif
 
 /*color_depth not used any more, driver has deep color factor in the Phyclk*/
 	if (EXEC_BIOS_CMD_TABLE(dig1transmittercontrol, ps))
@@ -303,7 +296,6 @@ static void init_set_pixel_clock(struct bios_parser *bp)
 	}
 }
 
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 static void set_pixel_clock_dmcub(
 		struct dc_dmub_srv *dmcub,
 		struct set_pixel_clock_parameter_v1_7 *clk)
@@ -317,7 +309,6 @@ static void set_pixel_clock_dmcub(
 	dc_dmub_srv_cmd_execute(dmcub);
 	dc_dmub_srv_wait_idle(dmcub);
 }
-#endif
 
 static enum bp_result set_pixel_clock_v7(
 	struct bios_parser *bp,
@@ -393,13 +384,12 @@ static enum bp_result set_pixel_clock_v7(
 		if (bp_params->signal_type == SIGNAL_TYPE_DVI_DUAL_LINK)
 			clk.miscinfo |= PIXEL_CLOCK_V7_MISC_DVI_DUALLINK_EN;
 
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 		if (bp->base.ctx->dc->ctx->dmub_srv &&
 		    bp->base.ctx->dc->debug.dmub_command_table) {
 			set_pixel_clock_dmcub(bp->base.ctx->dmub_srv, &clk);
 			return BP_RESULT_OK;
 		}
-#endif
+
 		if (EXEC_BIOS_CMD_TABLE(setpixelclock, clk))
 			result = BP_RESULT_OK;
 	}
@@ -653,7 +643,7 @@ static void init_enable_disp_power_gating(
 		break;
 	}
 }
-#ifdef CONFIG_DRM_AMD_DC_DMUB
+
 static void enable_disp_power_gating_dmcub(
 	struct dc_dmub_srv *dmcub,
 	struct enable_disp_power_gating_parameters_v2_1 *pwr)
@@ -667,7 +657,7 @@ static void enable_disp_power_gating_dmcub(
 	dc_dmub_srv_cmd_execute(dmcub);
 	dc_dmub_srv_wait_idle(dmcub);
 }
-#endif
+
 static enum bp_result enable_disp_power_gating_v2_1(
 	struct bios_parser *bp,
 	enum controller_id crtc_id,
@@ -687,14 +677,13 @@ static enum bp_result enable_disp_power_gating_v2_1(
 	ps.param.enable =
 		bp->cmd_helper->disp_power_gating_action_to_atom(action);
 
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 	if (bp->base.ctx->dc->ctx->dmub_srv &&
 	    bp->base.ctx->dc->debug.dmub_command_table) {
 		enable_disp_power_gating_dmcub(bp->base.ctx->dmub_srv,
 					       &ps.param);
 		return BP_RESULT_OK;
 	}
-#endif
+
 	if (EXEC_BIOS_CMD_TABLE(enabledisppowergating, ps.param))
 		result = BP_RESULT_OK;
 
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 2bf4da41577a..0a5f91ab4652 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -58,10 +58,7 @@
 #include "hubp.h"
 
 #include "dc_link_dp.h"
-
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 #include "dc_dmub_srv.h"
-#endif
 
 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
 #include "dsc.h"
@@ -2410,10 +2407,9 @@ void dc_set_power_state(
 	switch (power_state) {
 	case DC_ACPI_CM_POWER_STATE_D0:
 		dc_resource_state_construct(dc, dc->current_state);
-#ifdef CONFIG_DRM_AMD_DC_DMUB
+
 		if (dc->ctx->dmub_srv)
 			dc_dmub_srv_wait_phy_init(dc->ctx->dmub_srv);
-#endif
 
 		dc->hwss.init_hw(dc);
 
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 33828f03fe9e..30a2783881d9 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -112,9 +112,7 @@ struct dc_caps {
 	bool disable_dp_clk_share;
 	bool psp_setup_panel_mode;
 	bool extended_aux_timeout_support;
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 	bool dmcub_support;
-#endif
 #ifdef CONFIG_DRM_AMD_DC_DCN2_0
 	bool hw_3d_lut;
 #endif
@@ -404,11 +402,9 @@ struct dc_debug_options {
 	unsigned int force_odm_combine; //bit vector based on otg inst
 	unsigned int force_fclk_khz;
 	bool disable_tri_buf;
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 	bool dmub_offload_enabled;
 	bool dmcub_emulation;
 	bool dmub_command_table; /* for testing only */
-#endif
 	struct dc_bw_validation_profile bw_val_profile;
 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
 	bool disable_fec;
@@ -566,10 +562,9 @@ struct dc_init_data {
 	struct dc_bios *vbios_override;
 	enum dce_environment dce_environment;
 
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 	struct dmub_offload_funcs *dmub_if;
 	struct dc_reg_helper_state *dmub_offload;
-#endif
+
 	struct dc_config flags;
 	uint32_t log_mask;
 #ifdef CONFIG_DRM_AMD_DC_DCN2_0
diff --git a/drivers/gpu/drm/amd/display/dc/dc_helper.c b/drivers/gpu/drm/amd/display/dc/dc_helper.c
index 59b4bbefb7a4..8da4576e2908 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_helper.c
+++ b/drivers/gpu/drm/amd/display/dc/dc_helper.c
@@ -32,7 +32,6 @@
 #include "dm_services.h"
 #include <stdarg.h>
 
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 #include "dc.h"
 #include "dc_dmub_srv.h"
 
@@ -100,7 +99,6 @@ static inline void submit_dmub_reg_wait(
 
 	ctx->dmub_srv->reg_helper_offload.gather_in_progress = gather;
 }
-#endif
 
 struct dc_reg_value_masks {
 	uint32_t value;
@@ -147,7 +145,6 @@ static void set_reg_field_values(struct dc_reg_value_masks *field_value_mask,
 	}
 }
 
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 static void dmub_flush_buffer_execute(
 		struct dc_reg_helper_state *offload,
 		const struct dc_context *ctx)
@@ -239,8 +236,6 @@ static void dmub_reg_wait_done_pack(const struct dc_context *ctx, uint32_t addr,
 	cmd_buf->reg_wait.time_out_us = time_out_us;
 }
 
-#endif
-
 uint32_t generic_reg_update_ex(const struct dc_context *ctx,
 		uint32_t addr, int n,
 		uint8_t shift1, uint32_t mask1, uint32_t field_value1,
@@ -257,12 +252,10 @@ uint32_t generic_reg_update_ex(const struct dc_context *ctx,
 
 	va_end(ap);
 
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 	if (ctx->dmub_srv &&
 	    ctx->dmub_srv->reg_helper_offload.gather_in_progress)
 		return dmub_reg_value_pack(ctx, addr, &field_value_mask);
 		/* todo: return void so we can decouple code running in driver from register states */
-#endif
 
 	/* mmio write directly */
 	reg_val = dm_read_reg(ctx, addr);
@@ -289,13 +282,13 @@ uint32_t generic_reg_set_ex(const struct dc_context *ctx,
 
 	/* mmio write directly */
 	reg_val = (reg_val & ~field_value_mask.mask) | field_value_mask.value;
-#ifdef CONFIG_DRM_AMD_DC_DMUB
+
 	if (ctx->dmub_srv &&
 	    ctx->dmub_srv->reg_helper_offload.gather_in_progress) {
 		return dmub_reg_value_burst_set_pack(ctx, addr, reg_val);
 		/* todo: return void so we can decouple code running in driver from register states */
 	}
-#endif
+
 	dm_write_reg(ctx, addr, reg_val);
 	return reg_val;
 }
@@ -313,14 +306,12 @@ uint32_t dm_read_reg_func(
 	}
 #endif
 
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 	if (ctx->dmub_srv &&
 	    ctx->dmub_srv->reg_helper_offload.gather_in_progress &&
 	    !ctx->dmub_srv->reg_helper_offload.should_burst_write) {
 		ASSERT(false);
 		return 0;
 	}
-#endif
 
 	value = cgs_read_register(ctx->cgs_device, address);
 	trace_amdgpu_dc_rreg(&ctx->perf_trace->read_count, address, value);
@@ -487,14 +478,12 @@ void generic_reg_wait(const struct dc_context *ctx,
 	uint32_t reg_val;
 	int i;
 
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 	if (ctx->dmub_srv &&
 	    ctx->dmub_srv->reg_helper_offload.gather_in_progress) {
 		dmub_reg_wait_done_pack(ctx, addr, mask, shift, condition_value,
 				delay_between_poll_us * time_out_num_tries);
 		return;
 	}
-#endif
 
 	/* something is terribly wrong if time out is > 200ms. (5Hz) */
 	ASSERT(delay_between_poll_us * time_out_num_tries <= 3000000);
@@ -542,13 +531,12 @@ uint32_t generic_read_indirect_reg(const struct dc_context *ctx,
 		uint32_t index)
 {
 	uint32_t value = 0;
-#ifdef CONFIG_DRM_AMD_DC_DMUB
+
 	// when reg read, there should not be any offload.
 	if (ctx->dmub_srv &&
 	    ctx->dmub_srv->reg_helper_offload.gather_in_progress) {
 		ASSERT(false);
 	}
-#endif
 
 	dm_write_reg(ctx, addr_index, index);
 	value = dm_read_reg(ctx, addr_data);
@@ -587,7 +575,6 @@ uint32_t generic_indirect_reg_update_ex(const struct dc_context *ctx,
 	return reg_val;
 }
 
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 void reg_sequence_start_gather(const struct dc_context *ctx)
 {
 	/* if reg sequence is supported and enabled, set flag to
@@ -652,6 +639,3 @@ void reg_sequence_wait_done(const struct dc_context *ctx)
 		dc_dmub_srv_wait_idle(ctx->dmub_srv);
 	}
 }
-
-
-#endif
diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h
index fb70ed9b351f..7ab7644458e7 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_types.h
@@ -48,9 +48,7 @@ struct dc_stream_state;
 struct dc_link;
 struct dc_sink;
 struct dal;
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 struct dc_dmub_srv;
-#endif
 
 /********************************
  * Environment definitions
@@ -112,9 +110,8 @@ struct dc_context {
 	uint32_t dc_sink_id_count;
 	uint32_t dc_stream_id_count;
 	uint64_t fbc_gpu_addr;
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 	struct dc_dmub_srv *dmub_srv;
-#endif
+
 #ifdef CONFIG_DRM_AMD_DC_HDCP
 	struct cp_psp cp_psp;
 #endif
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c
index 41a0e53d2ba4..6f1a312c6a5a 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c
@@ -352,9 +352,8 @@ void dpp1_cm_program_regamma_lut(struct dpp *dpp_base,
 	uint32_t i;
 	struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base);
 
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 	REG_SEQ_START();
-#endif
+
 	for (i = 0 ; i < num; i++) {
 		REG_SET(CM_RGAM_LUT_DATA, 0, CM_RGAM_LUT_DATA, rgb[i].red_reg);
 		REG_SET(CM_RGAM_LUT_DATA, 0, CM_RGAM_LUT_DATA, rgb[i].green_reg);
@@ -633,10 +632,9 @@ void dpp1_set_degamma(
 		BREAK_TO_DEBUGGER();
 		break;
 	}
-#ifdef CONFIG_DRM_AMD_DC_DMUB
+
 	REG_SEQ_SUBMIT();
 	REG_SEQ_WAIT_DONE();
-#endif
 }
 
 void dpp1_degamma_ram_select(
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
index 8710f3ac2abf..30c025918568 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
@@ -457,18 +457,15 @@ static bool optc1_enable_crtc(struct timing_generator *optc)
 	REG_UPDATE(CONTROL,
 			VTG0_ENABLE, 1);
 
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 	REG_SEQ_START();
-#endif
+
 	/* Enable CRTC */
 	REG_UPDATE_2(OTG_CONTROL,
 			OTG_DISABLE_POINT_CNTL, 3,
 			OTG_MASTER_EN, 1);
 
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 	REG_SEQ_SUBMIT();
 	REG_SEQ_WAIT_DONE();
-#endif
 
 	return true;
 }
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_mpc.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_mpc.c
index 2417d933ef2b..f90031ed58a6 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_mpc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_mpc.c
@@ -345,10 +345,8 @@ static void mpc20_program_ogam_pwl(
 	uint32_t i;
 	struct dcn20_mpc *mpc20 = TO_DCN20_MPC(mpc);
 
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 	PERF_TRACE();
 	REG_SEQ_START();
-#endif
 
 	for (i = 0 ; i < num; i++) {
 		REG_SET(MPCC_OGAM_LUT_DATA[mpcc_id], 0, MPCC_OGAM_LUT_DATA, rgb[i].red_reg);
@@ -468,12 +466,11 @@ void mpc2_assert_mpcc_idle_before_connect(struct mpc *mpc, int mpcc_id)
 		ASSERT(!mpc_disabled);
 		ASSERT(!mpc_idle);
 	}
-#ifdef CONFIG_DRM_AMD_DC_DMUB
+
 	REG_SEQ_SUBMIT();
 	PERF_TRACE();
 	REG_SEQ_WAIT_DONE();
 	PERF_TRACE();
-#endif
 }
 
 static void mpc2_init_mpcc(struct mpcc *mpcc, int mpcc_inst)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
index eb7ce4a5cbac..6fcfc0a643c0 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
@@ -1678,9 +1678,7 @@ static bool construct(
 	dc->caps.post_blend_color_processing = true;
 	dc->caps.force_dp_tps4_for_cp2520 = true;
 	dc->caps.extended_aux_timeout_support = true;
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 	dc->caps.dmcub_support = true;
-#endif
 
 	if (dc->ctx->dce_environment == DCE_ENV_PRODUCTION_DRV)
 		dc->debug = debug_defaults_drv;
diff --git a/drivers/gpu/drm/amd/display/dc/dm_services.h b/drivers/gpu/drm/amd/display/dc/dm_services.h
index 0a3891edfd94..968ff1fef486 100644
--- a/drivers/gpu/drm/amd/display/dc/dm_services.h
+++ b/drivers/gpu/drm/amd/display/dc/dm_services.h
@@ -40,11 +40,9 @@
 
 #undef DEPRECATED
 
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 struct dmub_srv;
 struct dc_dmub_srv;
 
-#endif
 irq_handler_idx dm_register_interrupt(
 	struct dc_context *ctx,
 	struct dc_interrupt_params *int_params,
@@ -144,14 +142,12 @@ uint32_t generic_reg_update_ex(const struct dc_context *ctx,
 		uint32_t addr, int n,
 		uint8_t shift1, uint32_t mask1, uint32_t field_value1, ...);
 
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 struct dc_dmub_srv *dc_dmub_srv_create(struct dc *dc, struct dmub_srv *dmub);
 void dc_dmub_srv_destroy(struct dc_dmub_srv **dmub_srv);
 
 void reg_sequence_start_gather(const struct dc_context *ctx);
 void reg_sequence_start_execute(const struct dc_context *ctx);
 void reg_sequence_wait_done(const struct dc_context *ctx);
-#endif
 
 #define FD(reg_field)	reg_field ## __SHIFT, \
 						reg_field ## _MASK
diff --git a/drivers/gpu/drm/amd/display/dc/inc/reg_helper.h b/drivers/gpu/drm/amd/display/dc/inc/reg_helper.h
index a9a9657c095a..47e307388581 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/reg_helper.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/reg_helper.h
@@ -485,8 +485,6 @@ uint32_t generic_indirect_reg_update_ex(const struct dc_context *ctx,
 		uint8_t shift1, uint32_t mask1, uint32_t field_value1,
 		...);
 
-
-#ifdef CONFIG_DRM_AMD_DC_DMUB
 /* register offload macros
  *
  * instead of MMIO to register directly, in some cases we want
@@ -505,6 +503,5 @@ uint32_t generic_indirect_reg_update_ex(const struct dc_context *ctx,
 /* wait for the last REG_SEQ_SUBMIT to finish */
 #define REG_SEQ_WAIT_DONE() \
 	reg_sequence_wait_done(CTX)
-#endif
 
 #endif /* DRIVERS_GPU_DRM_AMD_DC_DEV_DC_INC_REG_HELPER_H_ */
diff --git a/drivers/gpu/drm/amd/display/dmub/src/Makefile b/drivers/gpu/drm/amd/display/dmub/src/Makefile
index f3b844f474fd..e08dfeea24b0 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/Makefile
+++ b/drivers/gpu/drm/amd/display/dmub/src/Makefile
@@ -20,10 +20,8 @@
 # OTHER DEALINGS IN THE SOFTWARE.
 #
 
-ifdef CONFIG_DRM_AMD_DC_DMUB
 DMUB = dmub_srv.o dmub_reg.o dmub_dcn20.o dmub_dcn21.o
 
 AMD_DAL_DMUB = $(addprefix $(AMDDALPATH)/dmub/src/,$(DMUB))
 
 AMD_DISPLAY_FILES += $(AMD_DAL_DMUB)
-endif