drm/amd/display: Clean FPGA code in dc

[Why]
Drop dead code for Linux.

[How]
Remove all IS_FPGA_MAXIMUS_DC and IS_DIAG_DC

Reviewed-by: Ariel Bernstein <eric.bernstein@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

3 files changed, 36 insertions, 55 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_hwseq.c
index 75472d53ff52..9e027db6d752 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_hwseq.c
@@ -231,52 +231,39 @@ void dcn201_init_hw(struct dc *dc)
 	if (dc->clk_mgr && dc->clk_mgr->funcs->init_clocks)
 		dc->clk_mgr->funcs->init_clocks(dc->clk_mgr);
 
-	if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
-		REG_WRITE(RBBMIF_TIMEOUT_DIS, 0xFFFFFFFF);
-		REG_WRITE(RBBMIF_TIMEOUT_DIS_2, 0xFFFFFFFF);
-
-		hws->funcs.dccg_init(hws);
-
-		REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_REFDIV, 2);
-		REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_ENABLE, 1);
-		REG_WRITE(REFCLK_CNTL, 0);
-	} else {
-		hws->funcs.bios_golden_init(dc);
-
-		if (dc->ctx->dc_bios->fw_info_valid) {
-			res_pool->ref_clocks.xtalin_clock_inKhz =
-				dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency;
-
-			if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
-				if (res_pool->dccg && res_pool->hubbub) {
-					(res_pool->dccg->funcs->get_dccg_ref_freq)(res_pool->dccg,
-							dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency,
-							&res_pool->ref_clocks.dccg_ref_clock_inKhz);
-
-					(res_pool->hubbub->funcs->get_dchub_ref_freq)(res_pool->hubbub,
-							res_pool->ref_clocks.dccg_ref_clock_inKhz,
-							&res_pool->ref_clocks.dchub_ref_clock_inKhz);
-				} else {
-					res_pool->ref_clocks.dccg_ref_clock_inKhz =
-							res_pool->ref_clocks.xtalin_clock_inKhz;
-					res_pool->ref_clocks.dchub_ref_clock_inKhz =
-							res_pool->ref_clocks.xtalin_clock_inKhz;
-				}
-			}
-		} else
-			ASSERT_CRITICAL(false);
-		for (i = 0; i < dc->link_count; i++) {
-			/* Power up AND update implementation according to the
-			 * required signal (which may be different from the
-			 * default signal on connector).
-			 */
-			struct dc_link *link = dc->links[i];
-
-			link->link_enc->funcs->hw_init(link->link_enc);
+	hws->funcs.bios_golden_init(dc);
+
+	if (dc->ctx->dc_bios->fw_info_valid) {
+		res_pool->ref_clocks.xtalin_clock_inKhz =
+			dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency;
+
+		if (res_pool->dccg && res_pool->hubbub) {
+			(res_pool->dccg->funcs->get_dccg_ref_freq)(res_pool->dccg,
+					dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency,
+					&res_pool->ref_clocks.dccg_ref_clock_inKhz);
+
+			(res_pool->hubbub->funcs->get_dchub_ref_freq)(res_pool->hubbub,
+					res_pool->ref_clocks.dccg_ref_clock_inKhz,
+					&res_pool->ref_clocks.dchub_ref_clock_inKhz);
+		} else {
+			res_pool->ref_clocks.dccg_ref_clock_inKhz =
+					res_pool->ref_clocks.xtalin_clock_inKhz;
+			res_pool->ref_clocks.dchub_ref_clock_inKhz =
+					res_pool->ref_clocks.xtalin_clock_inKhz;
 		}
-		if (hws->fb_offset.quad_part == 0)
-			read_mmhub_vm_setup(hws);
+	} else
+		ASSERT_CRITICAL(false);
+	for (i = 0; i < dc->link_count; i++) {
+		/* Power up AND update implementation according to the
+		 * required signal (which may be different from the
+		 * default signal on connector).
+		 */
+		struct dc_link *link = dc->links[i];
+
+		link->link_enc->funcs->hw_init(link->link_enc);
 	}
+	if (hws->fb_offset.quad_part == 0)
+		read_mmhub_vm_setup(hws);
 
 	/* Blank pixel data with OPP DPG */
 	for (i = 0; i < res_pool->timing_generator_count; i++) {
@@ -362,10 +349,6 @@ void dcn201_init_hw(struct dc *dc)
 		tg->funcs->tg_init(tg);
 	}
 
-	/* end of FPGA. Below if real ASIC */
-	if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment))
-		return;
-
 	for (i = 0; i < res_pool->audio_count; i++) {
 		struct audio *audio = res_pool->audios[i];
 
diff --git a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_optc.c b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_optc.c
index 730875dfd8b4..70fcbec03fb6 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_optc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_optc.c
@@ -55,10 +55,9 @@ static void optc201_triplebuffer_lock(struct timing_generator *optc)
 	REG_SET(OTG_MASTER_UPDATE_LOCK, 0,
 		OTG_MASTER_UPDATE_LOCK, 1);
 
-	if (optc->ctx->dce_environment != DCE_ENV_FPGA_MAXIMUS)
-		REG_WAIT(OTG_MASTER_UPDATE_LOCK,
-				UPDATE_LOCK_STATUS, 1,
-				1, 10);
+	REG_WAIT(OTG_MASTER_UPDATE_LOCK,
+			UPDATE_LOCK_STATUS, 1,
+			1, 10);
 }
 
 static void optc201_triplebuffer_unlock(struct timing_generator *optc)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_resource.c b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_resource.c
index 6ea70da28aaa..212c475d95cb 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_resource.c
@@ -1272,9 +1272,8 @@ static bool dcn201_resource_construct(
 	}
 
 	if (!resource_construct(num_virtual_links, dc, &pool->base,
-			(!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment) ?
-			&res_create_funcs : &res_create_maximus_funcs)))
-			goto create_fail;
+			&res_create_funcs))
+		goto create_fail;
 
 	dcn201_hw_sequencer_construct(dc);