From: Qingqing Zhuo <[email protected]>

[Why]
Drop dead code for Linux.

[How]
Remove all IS_FPGA_MAXIMUS_DC and IS_DIAG_DC

Reviewed-by: Ariel Bernstein <[email protected]>
Acked-by: Tom Chung <[email protected]>
Signed-off-by: Qingqing Zhuo <[email protected]>
---
 .../dc/clk_mgr/dce112/dce112_clk_mgr.c        |  8 +-
 .../dc/clk_mgr/dcn10/rv1_clk_mgr_vbios_smu.c  |  2 -
 .../display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c  | 22 +++---
 .../dc/clk_mgr/dcn201/dcn201_clk_mgr.c        |  6 --
 .../amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c | 13 +---
 .../dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c   |  5 --
 .../display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c  | 10 +--
 .../display/dc/clk_mgr/dcn301/vg_clk_mgr.c    | 18 +----
 .../display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c  | 10 +--
 .../dc/clk_mgr/dcn314/dcn314_clk_mgr.c        | 10 +--
 .../dc/clk_mgr/dcn315/dcn315_clk_mgr.c        | 10 +--
 .../dc/clk_mgr/dcn316/dcn316_clk_mgr.c        | 11 +--
 .../display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c  |  1 -
 drivers/gpu/drm/amd/display/dc/core/dc.c      |  2 -
 .../gpu/drm/amd/display/dc/core/dc_stream.c   | 30 --------
 drivers/gpu/drm/amd/display/dc/dc_helper.c    |  4 +-
 drivers/gpu/drm/amd/display/dc/dc_types.h     |  7 --
 .../drm/amd/display/dc/dce/dce_clock_source.c | 38 ----------
 drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c |  2 -
 .../display/dc/dce110/dce110_hw_sequencer.c   |  3 -
 .../display/dc/dce112/dce112_hw_sequencer.c   |  3 -
 .../display/dc/dce120/dce120_hw_sequencer.c   |  3 -
 .../amd/display/dc/dcn10/dcn10_hw_sequencer.c | 36 +--------
 .../gpu/drm/amd/display/dc/dcn10/dcn10_optc.c |  2 -
 .../drm/amd/display/dc/dcn10/dcn10_resource.c |  5 +-
 .../drm/amd/display/dc/dcn20/dcn20_hwseq.c    |  5 --
 .../gpu/drm/amd/display/dc/dcn20/dcn20_init.c |  4 -
 .../gpu/drm/amd/display/dc/dcn20/dcn20_optc.c |  1 -
 .../drm/amd/display/dc/dcn20/dcn20_resource.c | 15 +---
 .../drm/amd/display/dc/dcn201/dcn201_hwseq.c  | 20 +----
 .../drm/amd/display/dc/dcn201/dcn201_optc.c   |  1 -
 .../amd/display/dc/dcn201/dcn201_resource.c   |  5 +-
 .../gpu/drm/amd/display/dc/dcn21/dcn21_init.c |  4 -
 .../drm/amd/display/dc/dcn21/dcn21_resource.c | 10 +--
 .../drm/amd/display/dc/dcn30/dcn30_hwseq.c    | 28 -------
 .../gpu/drm/amd/display/dc/dcn30/dcn30_init.c |  4 -
 .../gpu/drm/amd/display/dc/dcn30/dcn30_optc.c |  1 -
 .../drm/amd/display/dc/dcn30/dcn30_resource.c |  8 +-
 .../amd/display/dc/dcn301/dcn301_resource.c   | 10 +--
 .../amd/display/dc/dcn302/dcn302_resource.c   |  5 +-
 .../amd/display/dc/dcn303/dcn303_resource.c   |  5 +-
 .../drm/amd/display/dc/dcn31/dcn31_hwseq.c    | 31 +-------
 .../gpu/drm/amd/display/dc/dcn31/dcn31_init.c |  4 -
 .../drm/amd/display/dc/dcn31/dcn31_resource.c | 17 +----
 .../drm/amd/display/dc/dcn314/dcn314_init.c   |  4 -
 .../amd/display/dc/dcn314/dcn314_resource.c   | 10 +--
 .../amd/display/dc/dcn315/dcn315_resource.c   | 17 +----
 .../amd/display/dc/dcn316/dcn316_resource.c   | 17 +----
 .../gpu/drm/amd/display/dc/dcn32/dcn32_init.c |  4 -
 .../drm/amd/display/dc/dcn32/dcn32_resource.c | 11 +--
 .../amd/display/dc/dcn321/dcn321_resource.c   | 11 +--
 .../amd/display/dc/dml/dcn301/dcn301_fpu.c    |  2 -
 .../drm/amd/display/dc/dml/dcn31/dcn31_fpu.c  | 17 +----
 .../dc/dml/dcn31/display_rq_dlg_calc_31.c     |  8 --
 .../amd/display/dc/dml/dcn314/dcn314_fpu.c    |  6 +-
 .../dc/dml/dcn314/display_rq_dlg_calc_314.c   |  8 --
 .../drm/amd/display/dc/dml/dcn32/dcn32_fpu.c  |  4 +-
 .../amd/display/dc/dml/dcn321/dcn321_fpu.c    |  4 -
 .../drm/amd/display/dc/dml/display_mode_lib.c |  1 -
 .../drm/amd/display/dc/dml/display_mode_lib.h |  1 -
 .../display/dc/link/hwss/link_hwss_hpo_dp.c   | 73 -------------------
 .../gpu/drm/amd/display/dc/link/link_dpms.c   | 35 +++------
 .../dc/link/protocols/link_dp_capability.c    |  3 +-
 63 files changed, 78 insertions(+), 597 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce112/dce112_clk_mgr.c 
b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce112/dce112_clk_mgr.c
index 934e6423dc1a..734ac929ff12 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce112/dce112_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce112/dce112_clk_mgr.c
@@ -111,13 +111,11 @@ int dce112_set_clock(struct clk_mgr *clk_mgr_base, int 
requested_clk_khz)
 
        bp->funcs->set_dce_clock(bp, &dce_clk_params);
 
-       if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
                if (dmcu && dmcu->funcs->is_dmcu_initialized(dmcu)) {
                        if (clk_mgr_dce->dfs_bypass_disp_clk != actual_clock)
                                dmcu->funcs->set_psr_wait_loop(dmcu,
                                                actual_clock / 1000 / 7);
                }
-       }
 
        clk_mgr_dce->dfs_bypass_disp_clk = actual_clock;
        return actual_clock;
@@ -149,17 +147,15 @@ int dce112_set_dispclk(struct clk_mgr_internal *clk_mgr, 
int requested_clk_khz)
         * from power down, we need mark the clock state as ClocksStateNominal
         * from HWReset, so when resume we will call pplib voltage regulator.
         */
-       if (requested_clk_khz == 0)
+       if (requested_clk_khz == 0) {
                clk_mgr->cur_min_clks_state = DM_PP_CLOCKS_STATE_NOMINAL;
+       }
 
-
-       if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
                if (dmcu && dmcu->funcs->is_dmcu_initialized(dmcu)) {
                        if (clk_mgr->dfs_bypass_disp_clk != actual_clock)
                                dmcu->funcs->set_psr_wait_loop(dmcu,
                                                actual_clock / 1000 / 7);
                }
-       }
 
        clk_mgr->dfs_bypass_disp_clk = actual_clock;
        return actual_clock;
diff --git 
a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_vbios_smu.c 
b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_vbios_smu.c
index 450eaead4f20..7d9272165673 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_vbios_smu.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_vbios_smu.c
@@ -135,13 +135,11 @@ int rv1_vbios_smu_set_dispclk(struct clk_mgr_internal 
*clk_mgr, int requested_di
                        VBIOSSMC_MSG_SetDispclkFreq,
                        khz_to_mhz_ceil(requested_dispclk_khz));
 
-       if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
                if (dmcu && dmcu->funcs->is_dmcu_initialized(dmcu)) {
                        if (clk_mgr->dfs_bypass_disp_clk != 
actual_dispclk_set_mhz)
                                dmcu->funcs->set_psr_wait_loop(dmcu,
                                                actual_dispclk_set_mhz / 7);
                }
-       }
 
        return actual_dispclk_set_mhz * 1000;
 }
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c 
b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c
index 650f3b4b562e..2bc74820b4d0 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c
@@ -531,6 +531,11 @@ void dcn20_clk_mgr_construct(
                struct pp_smu_funcs *pp_smu,
                struct dccg *dccg)
 {
+       int dprefclk_did;
+       int target_div;
+       uint32_t pll_req_reg;
+       struct fixed31_32 pll_req;
+
        clk_mgr->base.ctx = ctx;
        clk_mgr->pp_smu = pp_smu;
        clk_mgr->base.funcs = &dcn2_funcs;
@@ -547,19 +552,12 @@ void dcn20_clk_mgr_construct(
 
        clk_mgr->base.dprefclk_khz = 700000; // 700 MHz planned if VCO is 3.85 
GHz, will be retrieved
 
-       if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment)) {
-               dcn2_funcs.update_clocks = dcn2_update_clocks_fpga;
-               clk_mgr->base.dentist_vco_freq_khz = 3850000;
-
-       } else {
                /* DFS Slice 2 should be used for DPREFCLK */
-               int dprefclk_did = REG_READ(CLK3_CLK2_DFS_CNTL);
-               /* Convert DPREFCLK DFS Slice DID to actual divider*/
-               int target_div = dentist_get_divider_from_did(dprefclk_did);
-
+               dprefclk_did = REG_READ(CLK3_CLK2_DFS_CNTL);
+               /* Convert DPREFCLK DFS Slice DID to actual divider */
+               target_div = dentist_get_divider_from_did(dprefclk_did);
                /* get FbMult value */
-               uint32_t pll_req_reg = REG_READ(CLK3_CLK_PLL_REQ);
-               struct fixed31_32 pll_req;
+               pll_req_reg = REG_READ(CLK3_CLK_PLL_REQ);
 
                /* set up a fixed-point number
                 * this works because the int part is on the right edge of the 
register
@@ -582,7 +580,6 @@ void dcn20_clk_mgr_construct(
                /* Calculate the DPREFCLK in kHz.*/
                clk_mgr->base.dprefclk_khz = (DENTIST_DIVIDER_RANGE_SCALE_FACTOR
                        * clk_mgr->base.dentist_vco_freq_khz) / target_div;
-       }
        //Integrated_info table does not exist on dGPU projects so should not 
be referenced
        //anywhere in code for dGPUs.
        //Also there is no plan for now that DFS BYPASS will be used on 
NV10/12/14.
@@ -590,4 +587,3 @@ void dcn20_clk_mgr_construct(
 
        dce_clock_read_ss_info(clk_mgr);
 }
-
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn201/dcn201_clk_mgr.c 
b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn201/dcn201_clk_mgr.c
index 811720749faf..bb735ebb6092 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn201/dcn201_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn201/dcn201_clk_mgr.c
@@ -190,11 +190,6 @@ void dcn201_clk_mgr_construct(struct dc_context *ctx,
        clk_mgr->dprefclk_ss_divider = 1000;
        clk_mgr->ss_on_dprefclk = false;
 
-       if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment)) {
-               dcn201_funcs.update_clocks = dcn2_update_clocks_fpga;
-               clk_mgr->base.dprefclk_khz = 600000;
-               clk_mgr->base.dentist_vco_freq_khz = 3000000;
-       } else {
                clk_mgr->base.dprefclk_khz = REG_READ(CLK4_CLK2_CURRENT_CNT);
                clk_mgr->base.dprefclk_khz *= 100;
 
@@ -206,7 +201,6 @@ void dcn201_clk_mgr_construct(struct dc_context *ctx,
 
                if (clk_mgr->base.dentist_vco_freq_khz == 0)
                        clk_mgr->base.dentist_vco_freq_khz = 3000000;
-       }
 
        if (!debug->disable_dfs_bypass && bp->integrated_info)
                if (bp->integrated_info->gpu_cap_info & DFS_BYPASS_ENABLE)
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c 
b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
index bd9fd0b54f46..a5140a0783a2 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
@@ -705,6 +705,7 @@ void rn_clk_mgr_construct(
        struct dpm_clocks clock_table = { 0 };
        enum pp_smu_status status = 0;
        int is_green_sardine = 0;
+       struct clk_log_info log_info = {0};
 
 #if defined(CONFIG_DRM_AMD_DC_FP)
        is_green_sardine = 
ASICREV_IS_GREEN_SARDINE(ctx->asic_id.hw_internal_rev);
@@ -725,12 +726,6 @@ void rn_clk_mgr_construct(
 
        clk_mgr->smu_ver = rn_vbios_smu_get_smu_version(clk_mgr);
 
-       if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment)) {
-               dcn21_funcs.update_clocks = dcn2_update_clocks_fpga;
-               clk_mgr->base.dentist_vco_freq_khz = 3600000;
-       } else {
-               struct clk_log_info log_info = {0};
-
                clk_mgr->periodic_retraining_disabled = 
rn_vbios_smu_is_periodic_retraining_disabled(clk_mgr);
 
                /* SMU Version 55.51.0 and up no longer have an issue
@@ -766,7 +761,6 @@ void rn_clk_mgr_construct(
                }
                /* Saved clocks configured at boot for debug purposes */
                rn_dump_clk_registers(&clk_mgr->base.boot_snapshot, 
&clk_mgr->base, &log_info);
-       }
 
        clk_mgr->base.dprefclk_khz = 600000;
        dce_clock_read_ss_info(clk_mgr);
@@ -786,9 +780,8 @@ void rn_clk_mgr_construct(
                }
        }
 
-       if (!IS_FPGA_MAXIMUS_DC(ctx->dce_environment) && clk_mgr->smu_ver >= 
0x00371500) {
-               /* enable powerfeatures when displaycount goes to 0 */
+       /* enable powerfeatures when displaycount goes to 0 */
+       if (clk_mgr->smu_ver >= 0x00371500)
                rn_vbios_smu_enable_48mhz_tmdp_refclk_pwrdwn(clk_mgr, 
!debug->disable_48mhz_pwrdwn);
-       }
 }
 
diff --git 
a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c 
b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c
index 27fbe906682f..50460d7ab5c7 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr_vbios_smu.c
@@ -147,16 +147,13 @@ int rn_vbios_smu_set_dispclk(struct clk_mgr_internal 
*clk_mgr, int requested_dis
                        VBIOSSMC_MSG_SetDispclkFreq,
                        khz_to_mhz_ceil(requested_dispclk_khz));
 
-       if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
                if (dmcu && dmcu->funcs->is_dmcu_initialized(dmcu)) {
                        if (clk_mgr->dfs_bypass_disp_clk != 
actual_dispclk_set_mhz)
                                dmcu->funcs->set_psr_wait_loop(dmcu,
                                                actual_dispclk_set_mhz / 7);
                }
-       }
 
        // pmfw always set clock more than or equal requested clock
-       if (!IS_DIAG_DC(dc->ctx->dce_environment))
                ASSERT(actual_dispclk_set_mhz >= 
khz_to_mhz_ceil(requested_dispclk_khz));
 
        return actual_dispclk_set_mhz * 1000;
@@ -221,14 +218,12 @@ void rn_vbios_smu_set_phyclk(struct clk_mgr_internal 
*clk_mgr, int requested_phy
 int rn_vbios_smu_set_dppclk(struct clk_mgr_internal *clk_mgr, int 
requested_dpp_khz)
 {
        int actual_dppclk_set_mhz = -1;
-       struct dc *dc = clk_mgr->base.ctx->dc;
 
        actual_dppclk_set_mhz = rn_vbios_smu_send_msg_with_param(
                        clk_mgr,
                        VBIOSSMC_MSG_SetDppclkFreq,
                        khz_to_mhz_ceil(requested_dpp_khz));
 
-       if (!IS_DIAG_DC(dc->ctx->dce_environment))
                ASSERT(actual_dppclk_set_mhz >= 
khz_to_mhz_ceil(requested_dpp_khz));
 
        return actual_dppclk_set_mhz * 1000;
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c 
b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c
index 3908e7cfd6cb..3ac4c03b3543 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c
@@ -521,6 +521,8 @@ void dcn3_clk_mgr_construct(
                struct pp_smu_funcs *pp_smu,
                struct dccg *dccg)
 {
+       struct clk_state_registers_and_bypass s = { 0 };
+
        clk_mgr->base.ctx = ctx;
        clk_mgr->base.funcs = &dcn3_funcs;
        clk_mgr->regs = &clk_mgr_regs;
@@ -537,13 +539,6 @@ void dcn3_clk_mgr_construct(
 
        clk_mgr->base.dprefclk_khz = 730000; // 700 MHz planned if VCO is 3.85 
GHz, will be retrieved
 
-       if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment)) {
-               clk_mgr->base.funcs  = &dcn3_fpga_funcs;
-               clk_mgr->base.dentist_vco_freq_khz = 3650000;
-
-       } else {
-               struct clk_state_registers_and_bypass s = { 0 };
-
                /* integer part is now VCO frequency in kHz */
                clk_mgr->base.dentist_vco_freq_khz = 
dcn30_get_vco_frequency_from_reg(clk_mgr);
 
@@ -557,7 +552,6 @@ void dcn3_clk_mgr_construct(
                //ASSERT(s.dprefclk != 0);
                if (s.dprefclk != 0)
                        clk_mgr->base.dprefclk_khz = s.dprefclk * 1000;
-       }
 
        clk_mgr->dfs_bypass_enabled = false;
 
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c 
b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c
index 01383aac6b41..742a697074a9 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c
@@ -117,7 +117,7 @@ static void vg_update_clocks(struct clk_mgr *clk_mgr_base,
 
                        display_count = vg_get_active_display_cnt_wa(dc, 
context);
                        /* if we can go lower, go lower */
-                       if (display_count == 0 && 
!IS_DIAG_DC(dc->ctx->dce_environment)) {
+                       if (display_count == 0) {
                                union display_idle_optimization_u idle_info = { 
0 };
 
                                idle_info.idle_info.df_request_disabled = 1;
@@ -151,10 +151,8 @@ static void vg_update_clocks(struct clk_mgr *clk_mgr_base,
        }
 
        // workaround: Limit dppclk to 100Mhz to avoid lower eDP panel switch 
to plus 4K monitor underflow.
-       if (!IS_DIAG_DC(dc->ctx->dce_environment)) {
                if (new_clocks->dppclk_khz < 100000)
                        new_clocks->dppclk_khz = 100000;
-       }
 
        if (should_set_clock(safe_to_lower, new_clocks->dppclk_khz, 
clk_mgr->base.clks.dppclk_khz)) {
                if (clk_mgr->base.clks.dppclk_khz > new_clocks->dppclk_khz)
@@ -664,6 +662,7 @@ void vg_clk_mgr_construct(
                struct dccg *dccg)
 {
        struct smu_dpm_clks smu_dpm_clks = { 0 };
+       struct clk_log_info log_info = {0};
 
        clk_mgr->base.base.ctx = ctx;
        clk_mgr->base.base.funcs = &vg_funcs;
@@ -703,12 +702,6 @@ void vg_clk_mgr_construct(
 
        ASSERT(smu_dpm_clks.dpm_clks);
 
-       if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment)) {
-               vg_funcs.update_clocks = dcn2_update_clocks_fpga;
-               clk_mgr->base.base.dentist_vco_freq_khz = 3600000;
-       } else {
-               struct clk_log_info log_info = {0};
-
                clk_mgr->base.smu_ver = 
dcn301_smu_get_smu_version(&clk_mgr->base);
 
                if (clk_mgr->base.smu_ver)
@@ -728,7 +721,6 @@ void vg_clk_mgr_construct(
                }
                /* Saved clocks configured at boot for debug purposes */
                vg_dump_clk_registers(&clk_mgr->base.base.boot_snapshot, 
&clk_mgr->base.base, &log_info);
-       }
 
        clk_mgr->base.base.dprefclk_khz = 600000;
        dce_clock_read_ss_info(&clk_mgr->base);
@@ -746,12 +738,6 @@ void vg_clk_mgr_construct(
        if (smu_dpm_clks.dpm_clks && smu_dpm_clks.mc_address.quad_part != 0)
                dm_helpers_free_gpu_mem(clk_mgr->base.base.ctx, 
DC_MEM_ALLOC_TYPE_FRAME_BUFFER,
                                smu_dpm_clks.dpm_clks);
-/*
-       if (!IS_FPGA_MAXIMUS_DC(ctx->dce_environment) && clk_mgr->base.smu_ver) 
{
-                enable powerfeatures when displaycount goes to 0
-               dcn301_smu_enable_phy_refclk_pwrdwn(clk_mgr, 
!debug->disable_48mhz_pwrdwn);
-       }
-*/
 }
 
 void vg_clk_mgr_destroy(struct clk_mgr_internal *clk_mgr_int)
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c 
b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c
index 3c743cd3d3f0..5e78e8c3ce7b 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c
@@ -205,10 +205,8 @@ void dcn31_update_clocks(struct clk_mgr *clk_mgr_base,
        }
 
        // workaround: Limit dppclk to 100Mhz to avoid lower eDP panel switch 
to plus 4K monitor underflow.
-       if (!IS_DIAG_DC(dc->ctx->dce_environment)) {
                if (new_clocks->dppclk_khz < 100000)
                        new_clocks->dppclk_khz = 100000;
-       }
 
        if (should_set_clock(safe_to_lower, new_clocks->dppclk_khz, 
clk_mgr->base.clks.dppclk_khz)) {
                if (clk_mgr->base.clks.dppclk_khz > new_clocks->dppclk_khz)
@@ -672,6 +670,7 @@ void dcn31_clk_mgr_construct(
                struct dccg *dccg)
 {
        struct dcn31_smu_dpm_clks smu_dpm_clks = { 0 };
+       struct clk_log_info log_info = {0};
 
        clk_mgr->base.base.ctx = ctx;
        clk_mgr->base.base.funcs = &dcn31_funcs;
@@ -711,11 +710,6 @@ void dcn31_clk_mgr_construct(
 
        ASSERT(smu_dpm_clks.dpm_clks);
 
-       if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment)) {
-               clk_mgr->base.base.funcs = &dcn3_fpga_funcs;
-       } else {
-               struct clk_log_info log_info = {0};
-
                clk_mgr->base.smu_ver = 
dcn31_smu_get_smu_version(&clk_mgr->base);
 
                if (clk_mgr->base.smu_ver)
@@ -733,8 +727,6 @@ void dcn31_clk_mgr_construct(
                dcn31_dump_clk_registers(&clk_mgr->base.base.boot_snapshot,
                                         &clk_mgr->base.base, &log_info);
 
-       }
-
        clk_mgr->base.base.dprefclk_khz = 600000;
        clk_mgr->base.base.clks.ref_dtbclk_khz = 600000;
        dce_clock_read_ss_info(&clk_mgr->base);
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c 
b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c
index 2a0c696f5861..46007ed49509 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c
@@ -241,10 +241,8 @@ void dcn314_update_clocks(struct clk_mgr *clk_mgr_base,
        }
 
        // workaround: Limit dppclk to 100Mhz to avoid lower eDP panel switch 
to plus 4K monitor underflow.
-       if (!IS_DIAG_DC(dc->ctx->dce_environment)) {
                if (new_clocks->dppclk_khz < 100000)
                        new_clocks->dppclk_khz = 100000;
-       }
 
        if (should_set_clock(safe_to_lower, new_clocks->dppclk_khz, 
clk_mgr->base.clks.dppclk_khz)) {
                if (clk_mgr->base.clks.dppclk_khz > new_clocks->dppclk_khz)
@@ -724,6 +722,7 @@ void dcn314_clk_mgr_construct(
                struct dccg *dccg)
 {
        struct dcn314_smu_dpm_clks smu_dpm_clks = { 0 };
+       struct clk_log_info log_info = {0};
 
        clk_mgr->base.base.ctx = ctx;
        clk_mgr->base.base.funcs = &dcn314_funcs;
@@ -763,11 +762,6 @@ void dcn314_clk_mgr_construct(
 
        ASSERT(smu_dpm_clks.dpm_clks);
 
-       if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment)) {
-               clk_mgr->base.base.funcs = &dcn3_fpga_funcs;
-       } else {
-               struct clk_log_info log_info = {0};
-
                clk_mgr->base.smu_ver = 
dcn314_smu_get_smu_version(&clk_mgr->base);
 
                if (clk_mgr->base.smu_ver)
@@ -785,8 +779,6 @@ void dcn314_clk_mgr_construct(
                dcn314_dump_clk_registers(&clk_mgr->base.base.boot_snapshot,
                                          &clk_mgr->base.base, &log_info);
 
-       }
-
        clk_mgr->base.base.dprefclk_khz = 600000;
        clk_mgr->base.base.clks.ref_dtbclk_khz = 600000;
        dce_clock_read_ss_info(&clk_mgr->base);
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c 
b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c
index 300c6a5872d0..b3f4920c994b 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c
@@ -184,12 +184,10 @@ static void dcn315_update_clocks(struct clk_mgr 
*clk_mgr_base,
        }
 
        // workaround: Limit dppclk to 100Mhz to avoid lower eDP panel switch 
to plus 4K monitor underflow.
-       if (!IS_DIAG_DC(dc->ctx->dce_environment)) {
                if (new_clocks->dppclk_khz < MIN_DPP_DISP_CLK)
                        new_clocks->dppclk_khz = MIN_DPP_DISP_CLK;
                if (new_clocks->dispclk_khz < MIN_DPP_DISP_CLK)
                        new_clocks->dispclk_khz = MIN_DPP_DISP_CLK;
-       }
 
        if (should_set_clock(safe_to_lower, new_clocks->dppclk_khz, 
clk_mgr->base.clks.dppclk_khz)) {
                if (clk_mgr->base.clks.dppclk_khz > new_clocks->dppclk_khz)
@@ -600,6 +598,7 @@ void dcn315_clk_mgr_construct(
                struct dccg *dccg)
 {
        struct dcn315_smu_dpm_clks smu_dpm_clks = { 0 };
+       struct clk_log_info log_info = {0};
 
        clk_mgr->base.base.ctx = ctx;
        clk_mgr->base.base.funcs = &dcn315_funcs;
@@ -639,11 +638,6 @@ void dcn315_clk_mgr_construct(
 
        ASSERT(smu_dpm_clks.dpm_clks);
 
-       if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment)) {
-               clk_mgr->base.base.funcs = &dcn3_fpga_funcs;
-       } else {
-               struct clk_log_info log_info = {0};
-
                clk_mgr->base.smu_ver = 
dcn315_smu_get_smu_version(&clk_mgr->base);
 
                if (clk_mgr->base.smu_ver > 0)
@@ -658,8 +652,6 @@ void dcn315_clk_mgr_construct(
                dcn315_dump_clk_registers(&clk_mgr->base.base.boot_snapshot,
                                          &clk_mgr->base.base, &log_info);
 
-       }
-
        clk_mgr->base.base.dprefclk_khz = 600000;
        clk_mgr->base.base.dprefclk_khz = 
dcn315_smu_get_dpref_clk(&clk_mgr->base);
        clk_mgr->base.base.clks.ref_dtbclk_khz = 
clk_mgr->base.base.dprefclk_khz;
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c 
b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c
index 538126cefd4d..67db818b1246 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c
@@ -207,12 +207,10 @@ static void dcn316_update_clocks(struct clk_mgr 
*clk_mgr_base,
        }
 
        // workaround: Limit dppclk to 100Mhz to avoid lower eDP panel switch 
to plus 4K monitor underflow.
-       if (!IS_DIAG_DC(dc->ctx->dce_environment)) {
                if (new_clocks->dppclk_khz < 100000)
                        new_clocks->dppclk_khz = 100000;
                if (new_clocks->dispclk_khz < 100000)
                        new_clocks->dispclk_khz = 100000;
-       }
 
        if (should_set_clock(safe_to_lower, new_clocks->dppclk_khz, 
clk_mgr->base.clks.dppclk_khz)) {
                if (clk_mgr->base.clks.dppclk_khz > new_clocks->dppclk_khz)
@@ -616,6 +614,7 @@ void dcn316_clk_mgr_construct(
                struct dccg *dccg)
 {
        struct dcn316_smu_dpm_clks smu_dpm_clks = { 0 };
+       struct clk_log_info log_info = {0};
 
        clk_mgr->base.base.ctx = ctx;
        clk_mgr->base.base.funcs = &dcn316_funcs;
@@ -655,12 +654,6 @@ void dcn316_clk_mgr_construct(
 
        ASSERT(smu_dpm_clks.dpm_clks);
 
-       if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment)) {
-               clk_mgr->base.base.funcs = &dcn3_fpga_funcs;
-               clk_mgr->base.base.dentist_vco_freq_khz = 2500000;
-       } else {
-               struct clk_log_info log_info = {0};
-
                clk_mgr->base.smu_ver = 
dcn316_smu_get_smu_version(&clk_mgr->base);
 
                if (clk_mgr->base.smu_ver > 0)
@@ -683,8 +676,6 @@ void dcn316_clk_mgr_construct(
                dcn316_dump_clk_registers(&clk_mgr->base.base.boot_snapshot,
                                          &clk_mgr->base.base, &log_info);
 
-       }
-
        clk_mgr->base.base.dprefclk_khz = 600000;
        clk_mgr->base.base.dprefclk_khz = 
dcn316_smu_get_dpref_clk(&clk_mgr->base);
        clk_mgr->base.base.clks.ref_dtbclk_khz = 
clk_mgr->base.base.dprefclk_khz;
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c 
b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c
index 1df623b298a9..20bff6a346ba 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c
@@ -941,7 +941,6 @@ void dcn32_clk_mgr_construct(
                        clk_mgr->base.clks.ref_dtbclk_khz = 268750;
        }
 
-
        /* integer part is now VCO frequency in kHz */
        clk_mgr->base.dentist_vco_freq_khz = 
dcn32_get_vco_frequency_from_reg(clk_mgr);
 
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c 
b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 32bc268a7138..7109344c3bc3 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -3588,7 +3588,6 @@ static void commit_planes_for_stream(struct dc *dc,
                }
        }
 
-       if (!IS_DIAG_DC(dc->ctx->dce_environment)) {
                for (i = 0; i < surface_count; i++) {
                        struct dc_plane_state *plane_state = 
srf_updates[i].surface;
                        /*set logical flag for lock/unlock use*/
@@ -3611,7 +3610,6 @@ static void commit_planes_for_stream(struct dc *dc,
                                plane_state->flip_immediate = false;
                        }
                }
-       }
 
        // Update Type FULL, Surface updates
        for (j = 0; j < dc->res_pool->pipe_count; j++) {
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 72b261ad9587..0d3ec50b1385 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
@@ -490,25 +490,6 @@ bool dc_stream_add_writeback(struct dc *dc,
                struct dwbc *dwb = dc->res_pool->dwbc[wb_info->dwb_pipe_inst];
                dwb->otg_inst = stream_status->primary_otg_inst;
        }
-       if (IS_DIAG_DC(dc->ctx->dce_environment)) {
-               if (!dc->hwss.update_bandwidth(dc, dc->current_state)) {
-                       dm_error("DC: update_bandwidth failed!\n");
-                       return false;
-               }
-
-               /* enable writeback */
-               if (dc->hwss.enable_writeback) {
-                       struct dwbc *dwb = 
dc->res_pool->dwbc[wb_info->dwb_pipe_inst];
-
-                       if (dwb->funcs->is_enabled(dwb)) {
-                               /* writeback pipe already enabled, only need to 
update */
-                               dc->hwss.update_writeback(dc, wb_info, 
dc->current_state);
-                       } else {
-                               /* Enable writeback pipe from scratch*/
-                               dc->hwss.enable_writeback(dc, wb_info, 
dc->current_state);
-                       }
-               }
-       }
        return true;
 }
 
@@ -553,17 +534,6 @@ bool dc_stream_remove_writeback(struct dc *dc,
        }
        stream->num_wb_info = j;
 
-       if (IS_DIAG_DC(dc->ctx->dce_environment)) {
-               /* recalculate and apply DML parameters */
-               if (!dc->hwss.update_bandwidth(dc, dc->current_state)) {
-                       dm_error("DC: update_bandwidth failed!\n");
-                       return false;
-               }
-
-               /* disable writeback */
-               if (dc->hwss.disable_writeback)
-                       dc->hwss.disable_writeback(dc, dwb_pipe_inst);
-       }
        return true;
 }
 
diff --git a/drivers/gpu/drm/amd/display/dc/dc_helper.c 
b/drivers/gpu/drm/amd/display/dc/dc_helper.c
index 3db7a2e11af5..ceba3da85a6d 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_helper.c
+++ b/drivers/gpu/drm/amd/display/dc/dc_helper.c
@@ -464,8 +464,7 @@ void generic_reg_wait(const struct dc_context *ctx,
                field_value = get_reg_field_value_ex(reg_val, mask, shift);
 
                if (field_value == condition_value) {
-                       if (i * delay_between_poll_us > 1000 &&
-                                       
!IS_FPGA_MAXIMUS_DC(ctx->dce_environment))
+                       if (i * delay_between_poll_us > 1000)
                                DC_LOG_DC("REG_WAIT taking a while: %dms in %s 
line:%d\n",
                                                delay_between_poll_us * i / 
1000,
                                                func_name, line);
@@ -477,7 +476,6 @@ void generic_reg_wait(const struct dc_context *ctx,
                        delay_between_poll_us, time_out_num_tries,
                        func_name, line);
 
-       if (!IS_FPGA_MAXIMUS_DC(ctx->dce_environment))
                BREAK_TO_DEBUGGER();
 }
 
diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h 
b/drivers/gpu/drm/amd/display/dc/dc_types.h
index 150c19286d67..6b4731b5e975 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_types.h
@@ -69,13 +69,6 @@ enum dce_environment {
        DCE_ENV_VIRTUAL_HW
 };
 
-/* Note: use these macro definitions instead of direct comparison! */
-#define IS_FPGA_MAXIMUS_DC(dce_environment) \
-       (dce_environment == DCE_ENV_FPGA_MAXIMUS)
-
-#define IS_DIAG_DC(dce_environment) \
-       (IS_FPGA_MAXIMUS_DC(dce_environment) || (dce_environment == 
DCE_ENV_DIAG))
-
 struct dc_perf_trace {
        unsigned long read_count;
        unsigned long write_count;
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c 
b/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c
index 462c7a3ec3cc..ed8936405dfa 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c
@@ -920,25 +920,6 @@ static bool dce112_program_pix_clk(
        struct dce110_clk_src *clk_src = TO_DCE110_CLK_SRC(clock_source);
        struct bp_pixel_clock_parameters bp_pc_params = {0};
 
-       if (IS_FPGA_MAXIMUS_DC(clock_source->ctx->dce_environment)) {
-               unsigned int inst = pix_clk_params->controller_id - 
CONTROLLER_ID_D0;
-               unsigned dp_dto_ref_100hz = 7000000;
-               unsigned clock_100hz = pll_settings->actual_pix_clk_100hz;
-
-               /* Set DTO values: phase = target clock, modulo = reference 
clock */
-               REG_WRITE(PHASE[inst], clock_100hz);
-               REG_WRITE(MODULO[inst], dp_dto_ref_100hz);
-
-               /* Enable DTO */
-               if (clk_src->cs_mask->PIPE0_DTO_SRC_SEL)
-                       REG_UPDATE_2(PIXEL_RATE_CNTL[inst],
-                                       DP_DTO0_ENABLE, 1,
-                                       PIPE0_DTO_SRC_SEL, 1);
-               else
-                       REG_UPDATE(PIXEL_RATE_CNTL[inst],
-                                       DP_DTO0_ENABLE, 1);
-               return true;
-       }
        /* First disable SS
         * ATOMBIOS will enable by default SS on PLL for DP,
         * do not disable it here
@@ -1015,25 +996,6 @@ static bool dcn31_program_pix_clk(
                        REG_UPDATE(PIXEL_RATE_CNTL[inst],
                                        DP_DTO0_ENABLE, 1);
        } else {
-               if (IS_FPGA_MAXIMUS_DC(clock_source->ctx->dce_environment)) {
-                       unsigned int inst = pix_clk_params->controller_id - 
CONTROLLER_ID_D0;
-                       unsigned dp_dto_ref_100hz = 7000000;
-                       unsigned clock_100hz = 
pll_settings->actual_pix_clk_100hz;
-
-                       /* Set DTO values: phase = target clock, modulo = 
reference clock */
-                       REG_WRITE(PHASE[inst], clock_100hz);
-                       REG_WRITE(MODULO[inst], dp_dto_ref_100hz);
-
-                       /* Enable DTO */
-                       if (clk_src->cs_mask->PIPE0_DTO_SRC_SEL)
-                               REG_UPDATE_2(PIXEL_RATE_CNTL[inst],
-                                               DP_DTO0_ENABLE, 1,
-                                               PIPE0_DTO_SRC_SEL, 1);
-                       else
-                               REG_UPDATE(PIXEL_RATE_CNTL[inst],
-                                               DP_DTO0_ENABLE, 1);
-                       return true;
-               }
 
                if (clk_src->cs_mask->PIPE0_DTO_SRC_SEL)
                        REG_UPDATE(PIXEL_RATE_CNTL[inst],
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c 
b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
index e74266cc0098..433f10bb839a 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c
@@ -1093,11 +1093,9 @@ static void dcn21_dmcu_construct(
 
        dce_dmcu_construct(dmcu_dce, ctx, regs, dmcu_shift, dmcu_mask);
 
-       if (!IS_FPGA_MAXIMUS_DC(ctx->dce_environment)) {
                psp_version = dm_read_reg(ctx, mmMP0_SMN_C2PMSG_58);
                dmcu_dce->base.auto_load_dmcu = ((psp_version & 0x00FF00FF) > 
0x00110029);
                dmcu_dce->base.psp_version = psp_version;
-       }
 }
 
 struct dmcu *dce_dmcu_create(
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 1a0be40d125c..c6fe2c00aedb 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
@@ -209,9 +209,6 @@ static bool dce110_enable_display_power_gating(
        struct dc_context *ctx = dc->ctx;
        unsigned int underlay_idx = dc->res_pool->underlay_pipe_index;
 
-       if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment))
-               return true;
-
        if (power_gating == PIPE_GATING_CONTROL_INIT)
                cntl = ASIC_PIPE_INIT;
        else if (power_gating == PIPE_GATING_CONTROL_ENABLE)
diff --git a/drivers/gpu/drm/amd/display/dc/dce112/dce112_hw_sequencer.c 
b/drivers/gpu/drm/amd/display/dc/dce112/dce112_hw_sequencer.c
index 19873ee1f78d..690caaaff019 100644
--- a/drivers/gpu/drm/amd/display/dc/dce112/dce112_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce112/dce112_hw_sequencer.c
@@ -120,9 +120,6 @@ static bool dce112_enable_display_power_gating(
        enum bp_pipe_control_action cntl;
        struct dc_context *ctx = dc->ctx;
 
-       if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment))
-               return true;
-
        if (power_gating == PIPE_GATING_CONTROL_INIT)
                cntl = ASIC_PIPE_INIT;
        else if (power_gating == PIPE_GATING_CONTROL_ENABLE)
diff --git a/drivers/gpu/drm/amd/display/dc/dce120/dce120_hw_sequencer.c 
b/drivers/gpu/drm/amd/display/dc/dce120/dce120_hw_sequencer.c
index d4afe6c824d2..45e08c4d5861 100644
--- a/drivers/gpu/drm/amd/display/dc/dce120/dce120_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce120/dce120_hw_sequencer.c
@@ -159,9 +159,6 @@ static bool dce120_enable_display_power_gating(
        enum bp_pipe_control_action cntl;
        struct dc_context *ctx = dc->ctx;
 
-       if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment))
-               return true;
-
        if (power_gating == PIPE_GATING_CONTROL_INIT)
                cntl = ASIC_PIPE_INIT;
        else if (power_gating == PIPE_GATING_CONTROL_ENABLE)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c 
b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index 905246a2ece4..05fbec58288f 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -1012,7 +1012,6 @@ static void dcn10_reset_back_end_for_pipe(
                return;
        }
 
-       if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
                link = pipe_ctx->stream->link;
                /* DPMS may already disable or */
                /* dpms_off status is incorrect due to fastboot
@@ -1038,7 +1037,6 @@ static void dcn10_reset_back_end_for_pipe(
                                pipe_ctx->stream_res.audio = NULL;
                        }
                }
-       }
 
        /* by upper caller loop, parent pipe: pipe0, will be reset last.
         * back end share by all pipes and will be disable only when disable
@@ -1499,28 +1497,6 @@ void dcn10_init_hw(struct dc *dc)
        if (dc->res_pool->dccg && dc->res_pool->dccg->funcs->dccg_init)
                dc->res_pool->dccg->funcs->dccg_init(res_pool->dccg);
 
-       if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
-
-               REG_WRITE(REFCLK_CNTL, 0);
-               REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, 
DCHUBBUB_GLOBAL_TIMER_ENABLE, 1);
-               REG_WRITE(DIO_MEM_PWR_CTRL, 0);
-
-               if (!dc->debug.disable_clock_gate) {
-                       /* enable all DCN clock gating */
-                       REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0);
-
-                       REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0);
-
-                       REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0);
-               }
-
-               //Enable ability to power gate / don't force power on 
permanently
-               if (hws->funcs.enable_power_gating_plane)
-                       hws->funcs.enable_power_gating_plane(hws, true);
-
-               return;
-       }
-
        if (!dcb->funcs->is_accelerated_mode(dcb))
                hws->funcs.disable_vga(dc->hwseq);
 
@@ -1532,7 +1508,6 @@ void dcn10_init_hw(struct dc *dc)
                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,
@@ -1549,7 +1524,6 @@ void dcn10_init_hw(struct dc *dc)
                                res_pool->ref_clocks.dchub_ref_clock_inKhz =
                                                
res_pool->ref_clocks.xtalin_clock_inKhz;
                        }
-               }
        } else
                ASSERT_CRITICAL(false);
 
@@ -3067,10 +3041,10 @@ void dcn10_prepare_bandwidth(
        struct hubbub *hubbub = dc->res_pool->hubbub;
        int min_fclk_khz, min_dcfclk_khz, socclk_khz;
 
-       if (dc->debug.sanity_checks)
+       if (dc->debug.sanity_checks) {
                hws->funcs.verify_allow_pstate_change_high(dc);
+       }
 
-       if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
                if (context->stream_count == 0)
                        context->bw_ctx.bw.dcn.clk.phyclk_khz = 0;
 
@@ -3078,7 +3052,6 @@ void dcn10_prepare_bandwidth(
                                dc->clk_mgr,
                                context,
                                false);
-       }
 
        dc->wm_optimized_required = hubbub->funcs->program_watermarks(hubbub,
                        &context->bw_ctx.bw.dcn.watermarks,
@@ -3107,10 +3080,10 @@ void dcn10_optimize_bandwidth(
        struct hubbub *hubbub = dc->res_pool->hubbub;
        int min_fclk_khz, min_dcfclk_khz, socclk_khz;
 
-       if (dc->debug.sanity_checks)
+       if (dc->debug.sanity_checks) {
                hws->funcs.verify_allow_pstate_change_high(dc);
+       }
 
-       if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
                if (context->stream_count == 0)
                        context->bw_ctx.bw.dcn.clk.phyclk_khz = 0;
 
@@ -3118,7 +3091,6 @@ void dcn10_optimize_bandwidth(
                                dc->clk_mgr,
                                context,
                                true);
-       }
 
        hubbub->funcs->program_watermarks(hubbub,
                        &context->bw_ctx.bw.dcn.watermarks,
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 c9e53dc49c92..23132803a035 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
@@ -653,8 +653,6 @@ void optc1_lock(struct timing_generator *optc)
        REG_SET(OTG_MASTER_UPDATE_LOCK, 0,
                        OTG_MASTER_UPDATE_LOCK, 1);
 
-       /* Should be fast, status does not update on maximus */
-       if (optc->ctx->dce_environment != DCE_ENV_FPGA_MAXIMUS)
                REG_WAIT(OTG_MASTER_UPDATE_LOCK,
                                UPDATE_LOCK_STATUS, 1,
                                1, 10);
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c 
b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
index 21ec1ba5ed75..a0625209c86d 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
@@ -1651,9 +1651,8 @@ static bool dcn10_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 fail;
+                       &res_create_funcs))
+               goto fail;
 
        dcn10_hw_sequencer_construct(dc);
        dc->caps.max_planes =  pool->base.pipe_count;
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c 
b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
index e74c3ce561ab..6d7ba98e7ebc 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
@@ -2480,7 +2480,6 @@ static void dcn20_reset_back_end_for_pipe(
                return;
        }
 
-       if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
                /* DPMS may already disable or */
                /* dpms_off status is incorrect due to fastboot
                 * feature. When system resume from S4 with second
@@ -2506,10 +2505,6 @@ static void dcn20_reset_back_end_for_pipe(
                                pipe_ctx->stream_res.audio = NULL;
                        }
                }
-       }
-       else if (pipe_ctx->stream_res.dsc) {
-               dc->link_srv->set_dsc_enable(pipe_ctx, false);
-       }
 
        /* by upper caller loop, parent pipe: pipe0, will be reset last.
         * back end share by all pipes and will be disable only when disable
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_init.c 
b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_init.c
index 4192c522e59a..e4b44e691ce6 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_init.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_init.c
@@ -145,8 +145,4 @@ void dcn20_hw_sequencer_construct(struct dc *dc)
        dc->hwss = dcn20_funcs;
        dc->hwseq->funcs = dcn20_private_funcs;
 
-       if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
-               dc->hwss.init_hw = dcn20_fpga_init_hw;
-               dc->hwseq->funcs.init_pipes = NULL;
-       }
 }
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c 
b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c
index a08c335b7383..2961528d22cf 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c
@@ -391,7 +391,6 @@ void optc2_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);
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c 
b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
index 1d8c5805ef20..7dcae3183e07 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
@@ -2488,15 +2488,9 @@ static bool dcn20_resource_construct(
 
        dc->caps.dp_hdmi21_pcon_support = true;
 
-       if (dc->ctx->dce_environment == DCE_ENV_PRODUCTION_DRV) {
+       if (dc->ctx->dce_environment == DCE_ENV_PRODUCTION_DRV)
                dc->debug = debug_defaults_drv;
-       } else if (dc->ctx->dce_environment == DCE_ENV_FPGA_MAXIMUS) {
-               pool->base.pipe_count = 4;
-               pool->base.mpcc_count = pool->base.pipe_count;
-               dc->debug = debug_defaults_diags;
-       } else {
-               dc->debug = debug_defaults_diags;
-       }
+
        //dcn2.0x
        dc->work_arounds.dedcn20_305_wa = true;
 
@@ -2734,9 +2728,8 @@ static bool dcn20_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;
 
        dcn20_hw_sequencer_construct(dc);
 
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..6c6ac1a2544f 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_hwseq.c
@@ -228,26 +228,16 @@ void dcn201_init_hw(struct dc *dc)
        if (res_pool->dccg->funcs->dccg_init)
                res_pool->dccg->funcs->dccg_init(res_pool->dccg);
 
-       if (dc->clk_mgr && dc->clk_mgr->funcs->init_clocks)
+       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,
@@ -262,7 +252,6 @@ void dcn201_init_hw(struct dc *dc)
                                        
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++) {
@@ -276,7 +265,6 @@ void dcn201_init_hw(struct dc *dc)
                }
                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 +350,6 @@ 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..c7be91458b2e 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_optc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_optc.c
@@ -55,7 +55,6 @@ 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);
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);
 
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_init.c 
b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_init.c
index 8b58ce1db035..f024157bd6eb 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_init.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_init.c
@@ -151,8 +151,4 @@ void dcn21_hw_sequencer_construct(struct dc *dc)
        dc->hwss = dcn21_funcs;
        dc->hwseq->funcs = dcn21_private_funcs;
 
-       if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
-               dc->hwss.init_hw = dcn20_fpga_init_hw;
-               dc->hwseq->funcs.init_pipes = NULL;
-       }
 }
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 19aaa557b2db..76268a7b7934 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
@@ -1503,11 +1503,6 @@ static bool dcn21_resource_construct(
 
        if (dc->ctx->dce_environment == DCE_ENV_PRODUCTION_DRV)
                dc->debug = debug_defaults_drv;
-       else if (dc->ctx->dce_environment == DCE_ENV_FPGA_MAXIMUS) {
-               pool->base.pipe_count = 4;
-               dc->debug = debug_defaults_diags;
-       } else
-               dc->debug = debug_defaults_diags;
 
        // Init the vm_helper
        if (dc->vm_helper)
@@ -1721,9 +1716,8 @@ static bool dcn21_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;
 
        dcn21_hw_sequencer_construct(dc);
 
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c 
b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c
index 3303c9aae068..acc07a108ded 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c
@@ -330,10 +330,6 @@ void dcn30_enable_writeback(
        DC_LOG_DWB("%s dwb_pipe_inst = %d, mpcc_inst = %d",\
                __func__, wb_info->dwb_pipe_inst,\
                wb_info->mpcc_inst);
-       if (IS_DIAG_DC(dc->ctx->dce_environment)) {
-               /*till diags switch to warmup interface*/
-               dcn30_mmhubbub_warmup(dc, 1, wb_info);
-       }
        /* Update writeback pipe */
        dcn30_set_writeback(dc, wb_info, context);
 
@@ -447,28 +443,6 @@ void dcn30_init_hw(struct dc *dc)
        if (res_pool->dccg->funcs->dccg_init)
                res_pool->dccg->funcs->dccg_init(res_pool->dccg);
 
-       if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
-
-               REG_WRITE(REFCLK_CNTL, 0);
-               REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, 
DCHUBBUB_GLOBAL_TIMER_ENABLE, 1);
-               REG_WRITE(DIO_MEM_PWR_CTRL, 0);
-
-               if (!dc->debug.disable_clock_gate) {
-                       /* enable all DCN clock gating */
-                       REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0);
-
-                       REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0);
-
-                       REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0);
-               }
-
-               //Enable ability to power gate / don't force power on 
permanently
-               if (hws->funcs.enable_power_gating_plane)
-                       hws->funcs.enable_power_gating_plane(hws, true);
-
-               return;
-       }
-
        if (!dcb->funcs->is_accelerated_mode(dcb)) {
                hws->funcs.bios_golden_init(dc);
                hws->funcs.disable_vga(dc->hwseq);
@@ -491,7 +465,6 @@ void dcn30_init_hw(struct dc *dc)
                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,
@@ -508,7 +481,6 @@ void dcn30_init_hw(struct dc *dc)
                                res_pool->ref_clocks.dchub_ref_clock_inKhz =
                                                
res_pool->ref_clocks.xtalin_clock_inKhz;
                        }
-               }
        } else
                ASSERT_CRITICAL(false);
 
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_init.c 
b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_init.c
index 18e94d8ae54f..3d19acaa12f3 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_init.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_init.c
@@ -151,8 +151,4 @@ void dcn30_hw_sequencer_construct(struct dc *dc)
        dc->hwss = dcn30_funcs;
        dc->hwseq->funcs = dcn30_private_funcs;
 
-       if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
-               dc->hwss.init_hw = dcn20_fpga_init_hw;
-               dc->hwseq->funcs.init_pipes = NULL;
-       }
 }
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c 
b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c
index 34b08d90dc1d..8b41ac93f7ea 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c
@@ -55,7 +55,6 @@ void optc3_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);
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c 
b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
index 67a34cda3774..cd94b5f5fdb4 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
@@ -2376,10 +2376,7 @@ static bool dcn30_resource_construct(
 
        if (dc->ctx->dce_environment == DCE_ENV_PRODUCTION_DRV)
                dc->debug = debug_defaults_drv;
-       else if (dc->ctx->dce_environment == DCE_ENV_FPGA_MAXIMUS) {
-               dc->debug = debug_defaults_diags;
-       } else
-               dc->debug = debug_defaults_diags;
+
        // Init the vm_helper
        if (dc->vm_helper)
                vm_helper_init(dc->vm_helper, 16);
@@ -2577,8 +2574,7 @@ static bool dcn30_resource_construct(
 
        /* Audio, Stream Encoders including DIG and virtual, MPC 3D LUTs */
        if (!resource_construct(num_virtual_links, dc, &pool->base,
-                       (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment) ?
-                       &res_create_funcs : &res_create_maximus_funcs)))
+                       &res_create_funcs))
                goto create_fail;
 
        /* HW Sequencer and Plane caps */
diff --git a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c 
b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c
index 5ac2a272c380..1cf84a086fec 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c
@@ -1513,10 +1513,7 @@ static bool dcn301_resource_construct(
 
        if (dc->ctx->dce_environment == DCE_ENV_PRODUCTION_DRV)
                dc->debug = debug_defaults_drv;
-       else if (dc->ctx->dce_environment == DCE_ENV_FPGA_MAXIMUS) {
-               dc->debug = debug_defaults_diags;
-       } else
-               dc->debug = debug_defaults_diags;
+
        // Init the vm_helper
        if (dc->vm_helper)
                vm_helper_init(dc->vm_helper, 16);
@@ -1710,9 +1707,8 @@ static bool dcn301_resource_construct(
 
        /* Audio, Stream Encoders including HPO and virtual, MPC 3D LUTs */
        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;
 
        /* HW Sequencer and Plane caps */
        dcn301_hw_sequencer_construct(dc);
diff --git a/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c 
b/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c
index 9f93c43115ba..efd98d64588d 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c
@@ -1309,8 +1309,6 @@ static bool dcn302_resource_construct(
 
        if (dc->ctx->dce_environment == DCE_ENV_PRODUCTION_DRV)
                dc->debug = debug_defaults_drv;
-       else
-               dc->debug = debug_defaults_diags;
 
        // Init the vm_helper
        if (dc->vm_helper)
@@ -1489,8 +1487,7 @@ static bool dcn302_resource_construct(
 
        /* Audio, Stream Encoders including HPO and virtual, MPC 3D LUTs */
        if (!resource_construct(num_virtual_links, dc, pool,
-                       (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment) ?
-                                       &res_create_funcs : 
&res_create_maximus_funcs)))
+                       &res_create_funcs))
                goto create_fail;
 
        /* HW Sequencer and Plane caps */
diff --git a/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c 
b/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c
index 7f72ef882ca4..fcd126602178 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c
@@ -1232,8 +1232,6 @@ static bool dcn303_resource_construct(
 
        if (dc->ctx->dce_environment == DCE_ENV_PRODUCTION_DRV)
                dc->debug = debug_defaults_drv;
-       else
-               dc->debug = debug_defaults_diags;
 
        // Init the vm_helper
        if (dc->vm_helper)
@@ -1400,8 +1398,7 @@ static bool dcn303_resource_construct(
 
        /* Audio, Stream Encoders including HPO and virtual, MPC 3D LUTs */
        if (!resource_construct(num_virtual_links, dc, pool,
-                       (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment) ?
-                                       &res_create_funcs : 
&res_create_maximus_funcs)))
+                       &res_create_funcs))
                goto create_fail;
 
        /* HW Sequencer and Plane caps */
diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c 
b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c
index 55494730e500..5a4d7c8f80d0 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c
@@ -117,28 +117,6 @@ void dcn31_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(REFCLK_CNTL, 0);
-               REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, 
DCHUBBUB_GLOBAL_TIMER_ENABLE, 1);
-               REG_WRITE(DIO_MEM_PWR_CTRL, 0);
-
-               if (!dc->debug.disable_clock_gate) {
-                       /* enable all DCN clock gating */
-                       REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0);
-
-                       REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0);
-
-                       REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0);
-               }
-
-               //Enable ability to power gate / don't force power on 
permanently
-               if (hws->funcs.enable_power_gating_plane)
-                       hws->funcs.enable_power_gating_plane(hws, true);
-
-               return;
-       }
-
        if (!dcb->funcs->is_accelerated_mode(dcb)) {
                hws->funcs.bios_golden_init(dc);
                if (hws->funcs.disable_vga)
@@ -154,7 +132,6 @@ void dcn31_init_hw(struct dc *dc)
                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,
@@ -171,7 +148,6 @@ void dcn31_init_hw(struct dc *dc)
                                res_pool->ref_clocks.dchub_ref_clock_inKhz =
                                                
res_pool->ref_clocks.xtalin_clock_inKhz;
                        }
-               }
        } else
                ASSERT_CRITICAL(false);
 
@@ -549,11 +525,11 @@ static void dcn31_reset_back_end_for_pipe(
                                pipe_ctx->stream_res.tg, 
&pipe_ctx->stream->timing);
        pipe_ctx->stream->link->phy_state.symclk_ref_cnts.otg = 0;
 
-       if (pipe_ctx->stream_res.tg->funcs->set_drr)
+       if (pipe_ctx->stream_res.tg->funcs->set_drr) {
                pipe_ctx->stream_res.tg->funcs->set_drr(
                                pipe_ctx->stream_res.tg, NULL);
+       }
 
-       if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
                link = pipe_ctx->stream->link;
                /* DPMS may already disable or */
                /* dpms_off status is incorrect due to fastboot
@@ -580,9 +556,6 @@ static void dcn31_reset_back_end_for_pipe(
                                pipe_ctx->stream_res.audio = NULL;
                        }
                }
-       } else if (pipe_ctx->stream_res.dsc) {
-               dc->link_srv->set_dsc_enable(pipe_ctx, false);
-       }
 
        pipe_ctx->stream = NULL;
        DC_LOG_DEBUG("Reset back end for pipe %d, tg:%d\n",
diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_init.c 
b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_init.c
index ba9e7dee6e5e..fc25cc300a17 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_init.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_init.c
@@ -154,8 +154,4 @@ void dcn31_hw_sequencer_construct(struct dc *dc)
        dc->hwss = dcn31_funcs;
        dc->hwseq->funcs = dcn31_private_funcs;
 
-       if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
-               dc->hwss.init_hw = dcn20_fpga_init_hw;
-               dc->hwseq->funcs.init_pipes = NULL;
-       }
 }
diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c 
b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
index ff8cd5076434..9c637c895f91 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c
@@ -1341,13 +1341,6 @@ static struct dce_hwseq *dcn31_hwseq_create(
                hws->regs = &hwseq_reg;
                hws->shifts = &hwseq_shift;
                hws->masks = &hwseq_mask;
-               /* DCN3.1 FPGA Workaround
-                * Need to enable HPO DP Stream Encoder before setting OTG 
master enable.
-                * To do so, move calling function enable_stream_timing to only 
be done AFTER calling
-                * function core_link_enable_stream
-                */
-               if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment))
-                       hws->wa.dp_hpo_and_otg_sequence = true;
        }
        return hws;
 }
@@ -1988,10 +1981,7 @@ static bool dcn31_resource_construct(
 
        if (dc->ctx->dce_environment == DCE_ENV_PRODUCTION_DRV)
                dc->debug = debug_defaults_drv;
-       else if (dc->ctx->dce_environment == DCE_ENV_FPGA_MAXIMUS) {
-               dc->debug = debug_defaults_diags;
-       } else
-               dc->debug = debug_defaults_diags;
+
        // Init the vm_helper
        if (dc->vm_helper)
                vm_helper_init(dc->vm_helper, 16);
@@ -2195,9 +2185,8 @@ static bool dcn31_resource_construct(
 
        /* Audio, Stream Encoders including HPO and virtual, MPC 3D LUTs */
        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;
 
        /* HW Sequencer and Plane caps */
        dcn31_hw_sequencer_construct(dc);
diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_init.c 
b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_init.c
index 90be62c05822..86d6a514dec0 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_init.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_init.c
@@ -160,8 +160,4 @@ void dcn314_hw_sequencer_construct(struct dc *dc)
        dc->hwss = dcn314_funcs;
        dc->hwseq->funcs = dcn314_private_funcs;
 
-       if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
-               dc->hwss.init_hw = dcn20_fpga_init_hw;
-               dc->hwseq->funcs.init_pipes = NULL;
-       }
 }
diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c 
b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
index abeeede38fb3..2483d37e425d 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
@@ -1375,13 +1375,6 @@ static struct dce_hwseq *dcn314_hwseq_create(
                hws->regs = &hwseq_reg;
                hws->shifts = &hwseq_shift;
                hws->masks = &hwseq_mask;
-               /* DCN3.1 FPGA Workaround
-                * Need to enable HPO DP Stream Encoder before setting OTG 
master enable.
-                * To do so, move calling function enable_stream_timing to only 
be done AFTER calling
-                * function core_link_enable_stream
-                */
-               if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment))
-                       hws->wa.dp_hpo_and_otg_sequence = true;
        }
        return hws;
 }
@@ -2101,8 +2094,7 @@ static bool dcn314_resource_construct(
 
        /* Audio, Stream Encoders including HPO and virtual, MPC 3D LUTs */
        if (!resource_construct(num_virtual_links, dc, &pool->base,
-                               (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment) ?
-                                &res_create_funcs : 
&res_create_maximus_funcs)))
+                       &res_create_funcs))
                goto create_fail;
 
        /* HW Sequencer and Plane caps */
diff --git a/drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c 
b/drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c
index 95fd3d087ea3..e6d87c162d26 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c
@@ -1342,13 +1342,6 @@ static struct dce_hwseq *dcn31_hwseq_create(
                hws->regs = &hwseq_reg;
                hws->shifts = &hwseq_shift;
                hws->masks = &hwseq_mask;
-               /* DCN3.1 FPGA Workaround
-                * Need to enable HPO DP Stream Encoder before setting OTG 
master enable.
-                * To do so, move calling function enable_stream_timing to only 
be done AFTER calling
-                * function core_link_enable_stream
-                */
-               if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment))
-                       hws->wa.dp_hpo_and_otg_sequence = true;
        }
        return hws;
 }
@@ -1947,10 +1940,7 @@ static bool dcn315_resource_construct(
 
        if (dc->ctx->dce_environment == DCE_ENV_PRODUCTION_DRV)
                dc->debug = debug_defaults_drv;
-       else if (dc->ctx->dce_environment == DCE_ENV_FPGA_MAXIMUS) {
-               dc->debug = debug_defaults_diags;
-       } else
-               dc->debug = debug_defaults_diags;
+
        // Init the vm_helper
        if (dc->vm_helper)
                vm_helper_init(dc->vm_helper, 16);
@@ -2131,9 +2121,8 @@ static bool dcn315_resource_construct(
 
        /* Audio, Stream Encoders including HPO and virtual, MPC 3D LUTs */
        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;
 
        /* HW Sequencer and Plane caps */
        dcn31_hw_sequencer_construct(dc);
diff --git a/drivers/gpu/drm/amd/display/dc/dcn316/dcn316_resource.c 
b/drivers/gpu/drm/amd/display/dc/dcn316/dcn316_resource.c
index 9ead347a33e9..a3be61cc541f 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn316/dcn316_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn316/dcn316_resource.c
@@ -1340,13 +1340,6 @@ static struct dce_hwseq *dcn31_hwseq_create(
                hws->regs = &hwseq_reg;
                hws->shifts = &hwseq_shift;
                hws->masks = &hwseq_mask;
-               /* DCN3.1 FPGA Workaround
-                * Need to enable HPO DP Stream Encoder before setting OTG 
master enable.
-                * To do so, move calling function enable_stream_timing to only 
be done AFTER calling
-                * function core_link_enable_stream
-                */
-               if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment))
-                       hws->wa.dp_hpo_and_otg_sequence = true;
        }
        return hws;
 }
@@ -1844,10 +1837,7 @@ static bool dcn316_resource_construct(
 
        if (dc->ctx->dce_environment == DCE_ENV_PRODUCTION_DRV)
                dc->debug = debug_defaults_drv;
-       else if (dc->ctx->dce_environment == DCE_ENV_FPGA_MAXIMUS) {
-               dc->debug = debug_defaults_diags;
-       } else
-               dc->debug = debug_defaults_diags;
+
        // Init the vm_helper
        if (dc->vm_helper)
                vm_helper_init(dc->vm_helper, 16);
@@ -2028,9 +2018,8 @@ static bool dcn316_resource_construct(
 
        /* Audio, Stream Encoders including HPO and virtual, MPC 3D LUTs */
        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;
 
        /* HW Sequencer and Plane caps */
        dcn31_hw_sequencer_construct(dc);
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_init.c 
b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_init.c
index 24a890d879b8..6f9a165c1eab 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_init.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_init.c
@@ -161,8 +161,4 @@ void dcn32_hw_sequencer_init_functions(struct dc *dc)
        dc->hwss = dcn32_funcs;
        dc->hwseq->funcs = dcn32_private_funcs;
 
-       if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
-               dc->hwss.init_hw = dcn20_fpga_init_hw;
-               dc->hwseq->funcs.init_pipes = NULL;
-       }
 }
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c 
b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c
index 98c394f9f8cf..ab75bb25f272 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c
@@ -2260,10 +2260,7 @@ static bool dcn32_resource_construct(
 
        if (dc->ctx->dce_environment == DCE_ENV_PRODUCTION_DRV)
                dc->debug = debug_defaults_drv;
-       else if (dc->ctx->dce_environment == DCE_ENV_FPGA_MAXIMUS) {
-               dc->debug = debug_defaults_diags;
-       } else
-               dc->debug = debug_defaults_diags;
+
        // Init the vm_helper
        if (dc->vm_helper)
                vm_helper_init(dc->vm_helper, 16);
@@ -2319,7 +2316,6 @@ static bool dcn32_resource_construct(
        }
 
        /* DML */
-       if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment))
                dml_init_instance(&dc->dml, &dcn3_2_soc, &dcn3_2_ip, 
DML_PROJECT_DCN32);
 
        /* IRQ Service */
@@ -2457,9 +2453,8 @@ static bool dcn32_resource_construct(
 
        /* Audio, HWSeq, Stream Encoders including HPO and virtual, MPC 3D LUTs 
*/
        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;
 
        /* HW Sequencer init functions and Plane caps */
        dcn32_hw_sequencer_init_functions(dc);
diff --git a/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c 
b/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c
index f4cd9749ffdf..66651df0178e 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c
@@ -1801,10 +1801,7 @@ static bool dcn321_resource_construct(
 
        if (dc->ctx->dce_environment == DCE_ENV_PRODUCTION_DRV)
                dc->debug = debug_defaults_drv;
-       else if (dc->ctx->dce_environment == DCE_ENV_FPGA_MAXIMUS) {
-               dc->debug = debug_defaults_diags;
-       } else
-               dc->debug = debug_defaults_diags;
+
        // Init the vm_helper
        if (dc->vm_helper)
                vm_helper_init(dc->vm_helper, 16);
@@ -1860,7 +1857,6 @@ static bool dcn321_resource_construct(
        }
 
        /* DML */
-       if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment))
                dml_init_instance(&dc->dml, &dcn3_21_soc, &dcn3_21_ip, 
DML_PROJECT_DCN32);
 
        /* IRQ Service */
@@ -1993,9 +1989,8 @@ static bool dcn321_resource_construct(
 
        /* Audio, HWSeq, Stream Encoders including HPO and virtual, MPC 3D LUTs 
*/
        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;
 
        /* HW Sequencer init functions and Plane caps */
        dcn32_hw_sequencer_init_functions(dc);
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn301/dcn301_fpu.c 
b/drivers/gpu/drm/amd/display/dc/dml/dcn301/dcn301_fpu.c
index 422f17aefd4a..ed9291d44924 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn301/dcn301_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn301/dcn301_fpu.c
@@ -333,7 +333,6 @@ void dcn301_update_bw_bounding_box(struct dc *dc, struct 
clk_bw_params *bw_param
        memcpy(s, dcn3_01_soc.clock_limits, sizeof(dcn3_01_soc.clock_limits));
 
        /* Default clock levels are used for diags, which may lead to 
overclocking. */
-       if (!IS_DIAG_DC(dc->ctx->dce_environment)) {
                dcn3_01_ip.max_num_otg = 
pool->base.res_cap->num_timing_generator;
                dcn3_01_ip.max_num_dpp = pool->base.pipe_count;
                dcn3_01_soc.num_chans = bw_params->num_channels;
@@ -372,7 +371,6 @@ void dcn301_update_bw_bounding_box(struct dc *dc, struct 
clk_bw_params *bw_param
                                dcn3_01_soc.clock_limits[dcn3_01_soc.num_states 
- 1];
                        s[dcn3_01_soc.num_states].state = 
dcn3_01_soc.num_states;
                }
-       }
 
        memcpy(dcn3_01_soc.clock_limits, s, sizeof(dcn3_01_soc.clock_limits));
 
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.c 
b/drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.c
index 19d034341e64..19e2bf7034e0 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn31/dcn31_fpu.c
@@ -582,6 +582,7 @@ void dcn31_update_bw_bounding_box(struct dc *dc, struct 
clk_bw_params *bw_params
        struct _vcs_dpi_voltage_scaling_st *s = 
dc->scratch.update_bw_bounding_box.clock_limits;
        struct clk_limit_table *clk_table = &bw_params->clk_table;
        unsigned int i, closest_clk_lvl;
+       int max_dispclk_mhz = 0, max_dppclk_mhz = 0;
        int j;
 
        dc_assert_fp_enabled();
@@ -589,9 +590,6 @@ void dcn31_update_bw_bounding_box(struct dc *dc, struct 
clk_bw_params *bw_params
        memcpy(s, dcn3_1_soc.clock_limits, sizeof(dcn3_1_soc.clock_limits));
 
        // Default clock levels are used for diags, which may lead to 
overclocking.
-       if (!IS_DIAG_DC(dc->ctx->dce_environment)) {
-               int max_dispclk_mhz = 0, max_dppclk_mhz = 0;
-
                dcn3_1_ip.max_num_otg = 
dc->res_pool->res_cap->num_timing_generator;
                dcn3_1_ip.max_num_dpp = dc->res_pool->pipe_count;
                dcn3_1_soc.num_chans = bw_params->num_channels;
@@ -642,7 +640,6 @@ void dcn31_update_bw_bounding_box(struct dc *dc, struct 
clk_bw_params *bw_params
                if (clk_table->num_entries) {
                        dcn3_1_soc.num_states = clk_table->num_entries;
                }
-       }
 
        memcpy(dcn3_1_soc.clock_limits, s, sizeof(dcn3_1_soc.clock_limits));
 
@@ -655,10 +652,7 @@ void dcn31_update_bw_bounding_box(struct dc *dc, struct 
clk_bw_params *bw_params
                dcn3_1_soc.dram_clock_change_latency_us = 
dc->debug.dram_clock_change_latency_ns / 1000;
        }
 
-       if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment))
                dml_init_instance(&dc->dml, &dcn3_1_soc, &dcn3_1_ip, 
DML_PROJECT_DCN31);
-       else
-               dml_init_instance(&dc->dml, &dcn3_1_soc, &dcn3_1_ip, 
DML_PROJECT_DCN31_FPGA);
 }
 
 void dcn315_update_bw_bounding_box(struct dc *dc, struct clk_bw_params 
*bw_params)
@@ -719,10 +713,7 @@ void dcn315_update_bw_bounding_box(struct dc *dc, struct 
clk_bw_params *bw_param
                dcn3_15_soc.dram_clock_change_latency_us = 
dc->debug.dram_clock_change_latency_ns / 1000;
        }
 
-       if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment))
                dml_init_instance(&dc->dml, &dcn3_15_soc, &dcn3_15_ip, 
DML_PROJECT_DCN315);
-       else
-               dml_init_instance(&dc->dml, &dcn3_15_soc, &dcn3_15_ip, 
DML_PROJECT_DCN31_FPGA);
 }
 
 void dcn316_update_bw_bounding_box(struct dc *dc, struct clk_bw_params 
*bw_params)
@@ -738,8 +729,6 @@ void dcn316_update_bw_bounding_box(struct dc *dc, struct 
clk_bw_params *bw_param
        memcpy(s, dcn3_16_soc.clock_limits, sizeof(dcn3_16_soc.clock_limits));
 
        // Default clock levels are used for diags, which may lead to 
overclocking.
-       if (!IS_DIAG_DC(dc->ctx->dce_environment)) {
-
                dcn3_16_ip.max_num_otg = 
dc->res_pool->res_cap->num_timing_generator;
                dcn3_16_ip.max_num_dpp = dc->res_pool->pipe_count;
                dcn3_16_soc.num_chans = bw_params->num_channels;
@@ -803,7 +792,6 @@ void dcn316_update_bw_bounding_box(struct dc *dc, struct 
clk_bw_params *bw_param
                if (clk_table->num_entries) {
                        dcn3_16_soc.num_states = clk_table->num_entries;
                }
-       }
 
        memcpy(dcn3_16_soc.clock_limits, s, sizeof(dcn3_16_soc.clock_limits));
 
@@ -817,10 +805,7 @@ void dcn316_update_bw_bounding_box(struct dc *dc, struct 
clk_bw_params *bw_param
                dcn3_16_soc.dram_clock_change_latency_us = 
dc->debug.dram_clock_change_latency_ns / 1000;
        }
 
-       if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment))
                dml_init_instance(&dc->dml, &dcn3_16_soc, &dcn3_16_ip, 
DML_PROJECT_DCN31);
-       else
-               dml_init_instance(&dc->dml, &dcn3_16_soc, &dcn3_16_ip, 
DML_PROJECT_DCN31_FPGA);
 }
 
 int dcn_get_max_non_odm_pix_rate_100hz(struct _vcs_dpi_soc_bounding_box_st 
*soc)
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn31/display_rq_dlg_calc_31.c 
b/drivers/gpu/drm/amd/display/dc/dml/dcn31/display_rq_dlg_calc_31.c
index fcde8f21b8be..4113ce79c4af 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn31/display_rq_dlg_calc_31.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn31/display_rq_dlg_calc_31.c
@@ -1432,14 +1432,6 @@ static void dml_rq_dlg_get_dlg_params(
        dml_print("DML_DLG: %s: disp_dlg_regs->dst_y_per_vm_flip    = 0x%x\n", 
__func__, disp_dlg_regs->dst_y_per_vm_flip);
        dml_print("DML_DLG: %s: disp_dlg_regs->dst_y_per_row_flip   = 0x%x\n", 
__func__, disp_dlg_regs->dst_y_per_row_flip);
 
-       // hack for FPGA
-       if (mode_lib->project == DML_PROJECT_DCN31_FPGA) {
-               if (disp_dlg_regs->vratio_prefetch >= (unsigned int) dml_pow(2, 
22)) {
-                       disp_dlg_regs->vratio_prefetch = (unsigned int) 
dml_pow(2, 22) - 1;
-                       dml_print("vratio_prefetch exceed the max value, the 
register field is [21:0]\n");
-               }
-       }
-
        disp_dlg_regs->refcyc_per_pte_group_vblank_l = (unsigned int) 
(dst_y_per_row_vblank * (double) htotal * ref_freq_to_pix_freq / (double) 
dpte_groups_per_row_ub_l);
        ASSERT(disp_dlg_regs->refcyc_per_pte_group_vblank_l < (unsigned 
int)dml_pow(2, 13));
 
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c 
b/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c
index 554152371eb5..318b9c2bc9be 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c
@@ -190,8 +190,7 @@ void dcn314_update_bw_bounding_box_fpu(struct dc *dc, 
struct clk_bw_params *bw_p
        dc_assert_fp_enabled();
 
        // Default clock levels are used for diags, which may lead to 
overclocking.
-       if (!IS_DIAG_DC(dc->ctx->dce_environment) && 
dc->config.use_default_clock_table == false) {
-
+       if (dc->config.use_default_clock_table == false) {
                dcn3_14_ip.max_num_otg = 
dc->res_pool->res_cap->num_timing_generator;
                dcn3_14_ip.max_num_dpp = dc->res_pool->pipe_count;
 
@@ -267,10 +266,7 @@ void dcn314_update_bw_bounding_box_fpu(struct dc *dc, 
struct clk_bw_params *bw_p
 
        dcn20_patch_bounding_box(dc, &dcn3_14_soc);
 
-       if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment))
                dml_init_instance(&dc->dml, &dcn3_14_soc, &dcn3_14_ip, 
DML_PROJECT_DCN314);
-       else
-               dml_init_instance(&dc->dml, &dcn3_14_soc, &dcn3_14_ip, 
DML_PROJECT_DCN31_FPGA);
 }
 
 static bool is_dual_plane(enum surface_pixel_format format)
diff --git 
a/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_rq_dlg_calc_314.c 
b/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_rq_dlg_calc_314.c
index 61ba3e33bb11..b3e8dc08030c 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_rq_dlg_calc_314.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_rq_dlg_calc_314.c
@@ -1520,14 +1520,6 @@ static void dml_rq_dlg_get_dlg_params(
        dml_print("DML_DLG: %s: disp_dlg_regs->dst_y_per_vm_flip    = 0x%x\n", 
__func__, disp_dlg_regs->dst_y_per_vm_flip);
        dml_print("DML_DLG: %s: disp_dlg_regs->dst_y_per_row_flip   = 0x%x\n", 
__func__, disp_dlg_regs->dst_y_per_row_flip);
 
-       // hack for FPGA
-       if (mode_lib->project == DML_PROJECT_DCN31_FPGA) {
-               if (disp_dlg_regs->vratio_prefetch >= (unsigned int) dml_pow(2, 
22)) {
-                       disp_dlg_regs->vratio_prefetch = (unsigned int) 
dml_pow(2, 22) - 1;
-                       dml_print("vratio_prefetch exceed the max value, the 
register field is [21:0]\n");
-               }
-       }
-
        disp_dlg_regs->refcyc_per_pte_group_vblank_l = (unsigned int) 
(dst_y_per_row_vblank * (double) htotal * ref_freq_to_pix_freq / (double) 
dpte_groups_per_row_ub_l);
        ASSERT(disp_dlg_regs->refcyc_per_pte_group_vblank_l < (unsigned 
int)dml_pow(2, 13));
 
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c 
b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
index d8d8fcd5ef1f..3104b672d2e1 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
@@ -2530,7 +2530,6 @@ void dcn32_update_bw_bounding_box_fpu(struct dc *dc, 
struct clk_bw_params *bw_pa
 {
        dc_assert_fp_enabled();
 
-       if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
                /* Overrides from dc->config options */
                dcn3_2_ip.clamp_min_dcfclk = dc->config.clamp_min_dcfclk;
 
@@ -2602,7 +2601,6 @@ void dcn32_update_bw_bounding_box_fpu(struct dc *dc, 
struct clk_bw_params *bw_pa
 
                if (dc->ctx->dc_bios->vram_info.dram_channel_width_bytes)
                        dcn3_2_soc.dram_channel_width_bytes = 
dc->ctx->dc_bios->vram_info.dram_channel_width_bytes;
-       }
 
        /* DML DSC delay factor workaround */
        dcn3_2_ip.dsc_delay_factor_wa = dc->debug.dsc_delay_factor_wa_x1000 / 
1000.0;
@@ -2614,7 +2612,7 @@ void dcn32_update_bw_bounding_box_fpu(struct dc *dc, 
struct clk_bw_params *bw_pa
        dc->dml.soc.dispclk_dppclk_vco_speed_mhz = 
dc->clk_mgr->dentist_vco_freq_khz / 1000.0;
 
        /* Overrides Clock levelsfrom CLK Mgr table entries as reported by PM 
FW */
-       if ((!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) && 
(bw_params->clk_table.entries[0].memclk_mhz)) {
+       if (bw_params->clk_table.entries[0].memclk_mhz) {
                if (dc->debug.use_legacy_soc_bb_mechanism) {
                        unsigned int i = 0, j = 0, num_states = 0;
 
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c 
b/drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c
index 342a1bcb4927..b9b02c6f69b9 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn321/dcn321_fpu.c
@@ -471,7 +471,6 @@ static void 
dcn321_get_optimal_dcfclk_fclk_for_uclk(unsigned int uclk_mts,
 void dcn321_update_bw_bounding_box_fpu(struct dc *dc, struct clk_bw_params 
*bw_params)
 {
        dc_assert_fp_enabled();
-       if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
                /* Overrides from dc->config options */
                dcn3_21_ip.clamp_min_dcfclk = dc->config.clamp_min_dcfclk;
 
@@ -543,7 +542,6 @@ void dcn321_update_bw_bounding_box_fpu(struct dc *dc, 
struct clk_bw_params *bw_p
 
                if (dc->ctx->dc_bios->vram_info.dram_channel_width_bytes)
                        dcn3_21_soc.dram_channel_width_bytes = 
dc->ctx->dc_bios->vram_info.dram_channel_width_bytes;
-       }
 
        /* DML DSC delay factor workaround */
        dcn3_21_ip.dsc_delay_factor_wa = dc->debug.dsc_delay_factor_wa_x1000 / 
1000.0;
@@ -555,7 +553,6 @@ void dcn321_update_bw_bounding_box_fpu(struct dc *dc, 
struct clk_bw_params *bw_p
        dc->dml.soc.dispclk_dppclk_vco_speed_mhz = 
dc->clk_mgr->dentist_vco_freq_khz / 1000.0;
 
        /* Overrides Clock levelsfrom CLK Mgr table entries as reported by PM 
FW */
-       if ((!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) && 
(bw_params->clk_table.entries[0].memclk_mhz)) {
                if (dc->debug.use_legacy_soc_bb_mechanism) {
                        unsigned int i = 0, j = 0, num_states = 0;
 
@@ -699,6 +696,5 @@ void dcn321_update_bw_bounding_box_fpu(struct dc *dc, 
struct clk_bw_params *bw_p
                dml_init_instance(&dc->dml, &dcn3_21_soc, &dcn3_21_ip, 
DML_PROJECT_DCN32);
                if (dc->current_state)
                        dml_init_instance(&dc->current_state->bw_ctx.dml, 
&dcn3_21_soc, &dcn3_21_ip, DML_PROJECT_DCN32);
-       }
 }
 
diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_mode_lib.c 
b/drivers/gpu/drm/amd/display/dc/dml/display_mode_lib.c
index bdf3ac6cadd5..da0cfbb071e6 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/display_mode_lib.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/display_mode_lib.c
@@ -113,7 +113,6 @@ void dml_init_instance(struct display_mode_lib *lib,
                lib->funcs = dml30_funcs;
                break;
        case DML_PROJECT_DCN31:
-       case DML_PROJECT_DCN31_FPGA:
        case DML_PROJECT_DCN315:
                lib->funcs = dml31_funcs;
                break;
diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_mode_lib.h 
b/drivers/gpu/drm/amd/display/dc/dml/display_mode_lib.h
index a9d49ef58fb5..5edf69fa40d1 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/display_mode_lib.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/display_mode_lib.h
@@ -41,7 +41,6 @@ enum dml_project {
        DML_PROJECT_DCN30,
        DML_PROJECT_DCN31,
        DML_PROJECT_DCN315,
-       DML_PROJECT_DCN31_FPGA,
        DML_PROJECT_DCN314,
        DML_PROJECT_DCN32,
 };
diff --git a/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_dp.c 
b/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_dp.c
index edd7d026a762..34fcffcb7dd7 100644
--- a/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_dp.c
+++ b/drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_dp.c
@@ -28,24 +28,6 @@
 #include "dccg.h"
 #include "clk_mgr.h"
 
-static enum phyd32clk_clock_source get_phyd32clk_src(struct dc_link *link)
-{
-       switch (link->link_enc->transmitter) {
-       case TRANSMITTER_UNIPHY_A:
-               return PHYD32CLKA;
-       case TRANSMITTER_UNIPHY_B:
-               return PHYD32CLKB;
-       case TRANSMITTER_UNIPHY_C:
-               return PHYD32CLKC;
-       case TRANSMITTER_UNIPHY_D:
-               return PHYD32CLKD;
-       case TRANSMITTER_UNIPHY_E:
-               return PHYD32CLKE;
-       default:
-               return PHYD32CLKA;
-       }
-}
-
 static void set_hpo_dp_throttled_vcp_size(struct pipe_ctx *pipe_ctx,
                struct fixed31_32 throttled_vcp_size)
 {
@@ -120,44 +102,12 @@ static void setup_hpo_dp_stream_attribute(struct pipe_ctx 
*pipe_ctx)
                        DPCD_SOURCE_SEQ_AFTER_DP_STREAM_ATTR);
 }
 
-static void enable_hpo_dp_fpga_link_output(struct dc_link *link,
-               const struct link_resource *link_res,
-               enum signal_type signal,
-               enum clock_source_id clock_source,
-               const struct dc_link_settings *link_settings)
-{
-       const struct dc *dc = link->dc;
-       enum phyd32clk_clock_source phyd32clk = get_phyd32clk_src(link);
-       int phyd32clk_freq_khz = link_settings->link_rate == LINK_RATE_UHBR10 ? 
312500 :
-                       link_settings->link_rate == LINK_RATE_UHBR13_5 ? 412875 
:
-                       link_settings->link_rate == LINK_RATE_UHBR20 ? 625000 : 
0;
-
-       dm_set_phyd32clk(dc->ctx, phyd32clk_freq_khz);
-       dc->res_pool->dccg->funcs->set_physymclk(
-                       dc->res_pool->dccg,
-                       link->link_enc_hw_inst,
-                       PHYSYMCLK_FORCE_SRC_PHYD32CLK,
-                       true);
-       dc->res_pool->dccg->funcs->enable_symclk32_le(
-                       dc->res_pool->dccg,
-                       link_res->hpo_dp_link_enc->inst,
-                       phyd32clk);
-       link_res->hpo_dp_link_enc->funcs->link_enable(
-                       link_res->hpo_dp_link_enc,
-                       link_settings->lane_count);
-
-}
-
 static void enable_hpo_dp_link_output(struct dc_link *link,
                const struct link_resource *link_res,
                enum signal_type signal,
                enum clock_source_id clock_source,
                const struct dc_link_settings *link_settings)
 {
-       if (IS_FPGA_MAXIMUS_DC(link->dc->ctx->dce_environment))
-               enable_hpo_dp_fpga_link_output(link, link_res, signal,
-                               clock_source, link_settings);
-       else
                link_res->hpo_dp_link_enc->funcs->enable_link_phy(
                                link_res->hpo_dp_link_enc,
                                link_settings,
@@ -165,36 +115,13 @@ static void enable_hpo_dp_link_output(struct dc_link 
*link,
                                link->link_enc->hpd_source);
 }
 
-
-static void disable_hpo_dp_fpga_link_output(struct dc_link *link,
-               const struct link_resource *link_res,
-               enum signal_type signal)
-{
-       const struct dc *dc = link->dc;
-
-       
link_res->hpo_dp_link_enc->funcs->link_disable(link_res->hpo_dp_link_enc);
-       dc->res_pool->dccg->funcs->disable_symclk32_le(
-                       dc->res_pool->dccg,
-                       link_res->hpo_dp_link_enc->inst);
-       dc->res_pool->dccg->funcs->set_physymclk(
-                       dc->res_pool->dccg,
-                       link->link_enc_hw_inst,
-                       PHYSYMCLK_FORCE_SRC_SYMCLK,
-                       false);
-       dm_set_phyd32clk(dc->ctx, 0);
-}
-
 static void disable_hpo_dp_link_output(struct dc_link *link,
                const struct link_resource *link_res,
                enum signal_type signal)
 {
-       if (IS_FPGA_MAXIMUS_DC(link->dc->ctx->dce_environment)) {
-               disable_hpo_dp_fpga_link_output(link, link_res, signal);
-       } else {
                
link_res->hpo_dp_link_enc->funcs->link_disable(link_res->hpo_dp_link_enc);
                link_res->hpo_dp_link_enc->funcs->disable_link_phy(
                                link_res->hpo_dp_link_enc, signal);
-       }
 }
 
 static void set_hpo_dp_link_test_pattern(struct dc_link *link,
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c 
b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c
index 2267fb097830..b61a2cd28e88 100644
--- a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c
+++ b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c
@@ -765,7 +765,7 @@ static bool dp_set_dsc_on_rx(struct pipe_ctx *pipe_ctx, 
bool enable)
        struct dc_stream_state *stream = pipe_ctx->stream;
        bool result = false;
 
-       if (dc_is_virtual_signal(stream->signal) || 
IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment))
+       if (dc_is_virtual_signal(stream->signal))
                result = true;
        else
                result = dm_helpers_dp_write_dsc_enable(dc->ctx, stream, 
enable);
@@ -778,7 +778,6 @@ static bool dp_set_dsc_on_rx(struct pipe_ctx *pipe_ctx, 
bool enable)
 void link_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable)
 {
        struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc;
-       struct dc *dc = pipe_ctx->stream->ctx->dc;
        struct dc_stream_state *stream = pipe_ctx->stream;
        struct pipe_ctx *odm_pipe;
        int opp_cnt = 1;
@@ -816,8 +815,7 @@ void link_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool 
enable)
                optc_dsc_mode = dsc_optc_cfg.is_pixel_format_444 ? 
OPTC_DSC_ENABLED_444 : OPTC_DSC_ENABLED_NATIVE_SUBSAMPLED;
 
                /* Enable DSC in encoder */
-               if (dc_is_dp_signal(stream->signal) && 
!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)
-                               && !dp_is_128b_132b_signal(pipe_ctx)) {
+               if (dc_is_dp_signal(stream->signal) && 
!dp_is_128b_132b_signal(pipe_ctx)) {
                        DC_LOG_DSC("Setting stream encoder DSC config for 
engine %d:", (int)pipe_ctx->stream_res.stream_enc->id);
                        dsc_optc_config_log(dsc, &dsc_optc_cfg);
                        
pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_config(pipe_ctx->stream_res.stream_enc,
@@ -843,19 +841,18 @@ void link_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, 
bool enable)
 
                /* disable DSC in stream encoder */
                if (dc_is_dp_signal(stream->signal)) {
-                       if (dp_is_128b_132b_signal(pipe_ctx))
+                       if (dp_is_128b_132b_signal(pipe_ctx)) {
                                
pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_set_dsc_pps_info_packet(
                                                                                
pipe_ctx->stream_res.hpo_dp_stream_enc,
                                                                                
false,
                                                                                
NULL,
                                                                                
true);
-                       else if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) 
{
+                       }
                                
pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_config(
                                                pipe_ctx->stream_res.stream_enc,
                                                OPTC_DSC_DISABLED, 0, 0);
                                
pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_pps_info_packet(
                                                        
pipe_ctx->stream_res.stream_enc, false, NULL, true);
-                       }
                }
 
                /* disable DSC block */
@@ -2271,9 +2268,8 @@ void link_set_dpms_off(struct pipe_ctx *pipe_ctx)
                }
        }
 
-       if (!IS_DIAG_DC(dc->ctx->dce_environment) &&
-                       dc_is_virtual_signal(pipe_ctx->stream->signal))
-               return;
+               if (dc_is_virtual_signal(pipe_ctx->stream->signal))
+                       return;
 
        if (!pipe_ctx->stream->sink->edid_caps.panel_patch.skip_avmute) {
                if (dc_is_hdmi_signal(pipe_ctx->stream->signal))
@@ -2358,6 +2354,8 @@ void link_set_dpms_on(
        enum otg_out_mux_dest otg_out_dest = OUT_MUX_DIO;
        struct vpg *vpg = pipe_ctx->stream_res.stream_enc->vpg;
        const struct link_hwss *link_hwss = get_link_hwss(link, 
&pipe_ctx->link_res);
+       bool apply_edp_fast_boot_optimization =
+               pipe_ctx->stream->apply_edp_fast_boot_optimization;
 
        ASSERT(is_master_pipe_for_link(link, pipe_ctx));
 
@@ -2375,9 +2373,8 @@ void link_set_dpms_on(
                }
        }
 
-       if (!IS_DIAG_DC(dc->ctx->dce_environment) &&
-                       dc_is_virtual_signal(pipe_ctx->stream->signal))
-               return;
+               if (dc_is_virtual_signal(pipe_ctx->stream->signal))
+                       return;
 
        link_enc = link_enc_cfg_get_link_enc(link);
        ASSERT(link_enc);
@@ -2402,10 +2399,6 @@ void link_set_dpms_on(
 
        link_hwss->setup_stream_attribute(pipe_ctx);
 
-       if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
-               bool apply_edp_fast_boot_optimization =
-                       pipe_ctx->stream->apply_edp_fast_boot_optimization;
-
                pipe_ctx->stream->apply_edp_fast_boot_optimization = false;
 
                // Enable VPG before building infoframe
@@ -2527,14 +2520,6 @@ void link_set_dpms_on(
 
                dc->hwss.enable_audio_stream(pipe_ctx);
 
-       } else { // if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment))
-               if (dp_is_128b_132b_signal(pipe_ctx))
-                       dp_fpga_hpo_enable_link_and_stream(state, pipe_ctx);
-               if (dc_is_dp_signal(pipe_ctx->stream->signal) ||
-                               dc_is_virtual_signal(pipe_ctx->stream->signal))
-                       link_set_dsc_enable(pipe_ctx, true);
-       }
-
        if (dc_is_hdmi_signal(pipe_ctx->stream->signal)) {
                set_avmute(pipe_ctx, false);
        }
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c 
b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
index f46864630506..3a5e80b57711 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
@@ -326,8 +326,7 @@ bool dp_is_fec_supported(const struct dc_link *link)
 
        return (dc_is_dp_signal(link->connector_signal) && link_enc &&
                        link_enc->features.fec_supported &&
-                       link->dpcd_caps.fec_cap.bits.FEC_CAPABLE &&
-                       !IS_FPGA_MAXIMUS_DC(link->ctx->dce_environment));
+                       link->dpcd_caps.fec_cap.bits.FEC_CAPABLE);
 }
 
 bool dp_should_enable_fec(const struct dc_link *link)
-- 
2.25.1

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