drm/amd/display: remove disable_clk_gate debug flag for DCN

Signed-off-by: Hersen Wu <hersenxs.wu@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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 877e2b6..0e677f9 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -397,19 +397,6 @@ static void enable_power_gating_plane(
        HWSEQ_REG_UPDATE(DOMAIN3_PG_CONFIG, DOMAIN3_POWER_FORCEON, force_on);
        HWSEQ_REG_UPDATE(DOMAIN5_PG_CONFIG, DOMAIN5_POWER_FORCEON, force_on);
        HWSEQ_REG_UPDATE(DOMAIN7_PG_CONFIG, DOMAIN7_POWER_FORCEON, force_on);
-
-       if (ctx->dc->debug.disable_clock_gate) {
-               /* probably better to just write entire register to 0xffff to
-                * ensure all clock gating is disabled
-                */
-               HWSEQ_REG_UPDATE_3(DCCG_GATE_DISABLE_CNTL,
-                               DISPCLK_R_DCCG_GATE_DISABLE, 1,
-                               DPREFCLK_R_DCCG_GATE_DISABLE, 1,
-                               REFCLK_R_DIG_GATE_DISABLE, 1);
-               HWSEQ_REG_UPDATE(DCFCLK_CNTL,
-                               DCFCLK_GATE_DIS, 1);
-       }
-
 }
 
 static void dpp_pg_control(
@@ -513,29 +500,12 @@ static void power_on_plane(
 {
        uint32_t inst_offset = 0;
 
-       /* disable clock power gating */
-
-       /* DCCG_GATE_DISABLE_CNTL only has one instance */
-       if (ctx->dc->debug.disable_clock_gate) {
-               HWSEQ_REG_UPDATE_2(DCCG_GATE_DISABLE_CNTL,
-                               DISPCLK_DCCG_GATE_DISABLE, 1,
-                               DPPCLK_GATE_DISABLE, 1);
-               /* DCFCLK_CNTL only has one instance */
-               HWSEQ_REG_UPDATE(DCFCLK_CNTL,
-                               DCFCLK_GATE_DIS, 1);
-       }
-
        HWSEQ_REG_SET(DC_IP_REQUEST_CNTL,
                        IP_REQUEST_EN, 1);
        dpp_pg_control(ctx, plane_id, true);
        hubp_pg_control(ctx, plane_id, true);
        HWSEQ_REG_SET(DC_IP_REQUEST_CNTL,
                        IP_REQUEST_EN, 0);
-
-       if (ctx->dc->debug.disable_clock_gate) {
-               HWSEQ_REG_UPDATE(DCCG_GATE_DISABLE_CNTL,
-                               DISPCLK_DCCG_GATE_DISABLE, 0);
-       }
 }
 
 /* fully check bios enabledisplaypowergating table. dal only need dce init

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 660cb43..e527d10 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
@@ -438,7 +438,6 @@ static const struct dc_debug debug_defaults_drv = {
 };
 
 static const struct dc_debug debug_defaults_diags = {
-               .disable_clock_gate = true,
                .disable_dmcu = true,
                .force_abm_enable = false,
                .timing_trace = true,