diff options
author | Daniel Miess <daniel.miess@amd.com> | 2023-10-26 21:34:14 +0300 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2023-11-07 20:03:30 +0300 |
commit | e4c33fff2eae41d16d9760e56efc23dcc30c6b91 (patch) | |
tree | 38aa5293b9b1f3397b81c23e6ea7797cc56f1927 /drivers/gpu | |
parent | 90f2f83352f7e85edb38cdb171627ded3d9c7040 (diff) | |
download | linux-e4c33fff2eae41d16d9760e56efc23dcc30c6b91.tar.xz |
drm/amd/display: Enable physymclk RCO
[Why]
Enable the last of the RCO options for dcn35
[How]
Breakout RCO from dccg35_set_physymclk so that
physymclk RCO can be set in dccg_init without
disabling physymclk
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Jun Lei <jun.lei@amd.com>
Acked-by: Hersen Wu <hersenxs.wu@amd.com>
Signed-off-by: Daniel Miess <daniel.miess@amd.com>
Signed-off-by: Hersen Wu <hersenxs.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.c | 72 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c | 20 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/hwss/dce/dce_hwseq.h | 18 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c | 24 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h | 5 |
5 files changed, 102 insertions, 37 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.c b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.c index 277aae811eea..479f3683c0b7 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.c +++ b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.c @@ -325,6 +325,43 @@ static void dccg35_set_dpstreamclk( } } +static void dccg35_set_physymclk_root_clock_gating( + struct dccg *dccg, + int phy_inst, + bool enable) +{ + struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg); + + if (!dccg->ctx->dc->debug.root_clock_optimization.bits.physymclk) + return; + + switch (phy_inst) { + case 0: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL2, + PHYASYMCLK_ROOT_GATE_DISABLE, enable ? 1 : 0); + break; + case 1: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL2, + PHYBSYMCLK_ROOT_GATE_DISABLE, enable ? 1 : 0); + break; + case 2: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL2, + PHYCSYMCLK_ROOT_GATE_DISABLE, enable ? 1 : 0); + break; + case 3: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL2, + PHYDSYMCLK_ROOT_GATE_DISABLE, enable ? 1 : 0); + break; + case 4: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL2, + PHYESYMCLK_ROOT_GATE_DISABLE, enable ? 1 : 0); + break; + default: + BREAK_TO_DEBUGGER(); + return; + } +} + static void dccg35_set_physymclk( struct dccg *dccg, int phy_inst, @@ -340,16 +377,10 @@ static void dccg35_set_physymclk( REG_UPDATE_2(PHYASYMCLK_CLOCK_CNTL, PHYASYMCLK_EN, 1, PHYASYMCLK_SRC_SEL, clk_src); - if (dccg->ctx->dc->debug.root_clock_optimization.bits.physymclk) - REG_UPDATE(DCCG_GATE_DISABLE_CNTL2, - PHYASYMCLK_ROOT_GATE_DISABLE, 1); } else { REG_UPDATE_2(PHYASYMCLK_CLOCK_CNTL, PHYASYMCLK_EN, 0, PHYASYMCLK_SRC_SEL, 0); - if (dccg->ctx->dc->debug.root_clock_optimization.bits.physymclk) - REG_UPDATE(DCCG_GATE_DISABLE_CNTL2, - PHYASYMCLK_ROOT_GATE_DISABLE, 0); } break; case 1: @@ -357,16 +388,10 @@ static void dccg35_set_physymclk( REG_UPDATE_2(PHYBSYMCLK_CLOCK_CNTL, PHYBSYMCLK_EN, 1, PHYBSYMCLK_SRC_SEL, clk_src); - if (dccg->ctx->dc->debug.root_clock_optimization.bits.physymclk) - REG_UPDATE(DCCG_GATE_DISABLE_CNTL2, - PHYBSYMCLK_ROOT_GATE_DISABLE, 1); } else { REG_UPDATE_2(PHYBSYMCLK_CLOCK_CNTL, PHYBSYMCLK_EN, 0, PHYBSYMCLK_SRC_SEL, 0); - if (dccg->ctx->dc->debug.root_clock_optimization.bits.physymclk) - REG_UPDATE(DCCG_GATE_DISABLE_CNTL2, - PHYBSYMCLK_ROOT_GATE_DISABLE, 0); } break; case 2: @@ -374,16 +399,10 @@ static void dccg35_set_physymclk( REG_UPDATE_2(PHYCSYMCLK_CLOCK_CNTL, PHYCSYMCLK_EN, 1, PHYCSYMCLK_SRC_SEL, clk_src); - if (dccg->ctx->dc->debug.root_clock_optimization.bits.physymclk) - REG_UPDATE(DCCG_GATE_DISABLE_CNTL2, - PHYCSYMCLK_ROOT_GATE_DISABLE, 1); } else { REG_UPDATE_2(PHYCSYMCLK_CLOCK_CNTL, PHYCSYMCLK_EN, 0, PHYCSYMCLK_SRC_SEL, 0); - if (dccg->ctx->dc->debug.root_clock_optimization.bits.physymclk) - REG_UPDATE(DCCG_GATE_DISABLE_CNTL2, - PHYCSYMCLK_ROOT_GATE_DISABLE, 0); } break; case 3: @@ -391,16 +410,10 @@ static void dccg35_set_physymclk( REG_UPDATE_2(PHYDSYMCLK_CLOCK_CNTL, PHYDSYMCLK_EN, 1, PHYDSYMCLK_SRC_SEL, clk_src); - if (dccg->ctx->dc->debug.root_clock_optimization.bits.physymclk) - REG_UPDATE(DCCG_GATE_DISABLE_CNTL2, - PHYDSYMCLK_ROOT_GATE_DISABLE, 1); } else { REG_UPDATE_2(PHYDSYMCLK_CLOCK_CNTL, PHYDSYMCLK_EN, 0, PHYDSYMCLK_SRC_SEL, 0); - if (dccg->ctx->dc->debug.root_clock_optimization.bits.physymclk) - REG_UPDATE(DCCG_GATE_DISABLE_CNTL2, - PHYDSYMCLK_ROOT_GATE_DISABLE, 0); } break; case 4: @@ -408,16 +421,10 @@ static void dccg35_set_physymclk( REG_UPDATE_2(PHYESYMCLK_CLOCK_CNTL, PHYESYMCLK_EN, 1, PHYESYMCLK_SRC_SEL, clk_src); - if (dccg->ctx->dc->debug.root_clock_optimization.bits.physymclk) - REG_UPDATE(DCCG_GATE_DISABLE_CNTL2, - PHYESYMCLK_ROOT_GATE_DISABLE, 1); } else { REG_UPDATE_2(PHYESYMCLK_CLOCK_CNTL, PHYESYMCLK_EN, 0, PHYESYMCLK_SRC_SEL, 0); - if (dccg->ctx->dc->debug.root_clock_optimization.bits.physymclk) - REG_UPDATE(DCCG_GATE_DISABLE_CNTL2, - PHYESYMCLK_ROOT_GATE_DISABLE, 0); } break; default: @@ -490,8 +497,8 @@ void dccg35_init(struct dccg *dccg) if (dccg->ctx->dc->debug.root_clock_optimization.bits.physymclk) for (otg_inst = 0; otg_inst < 5; otg_inst++) - dccg35_set_physymclk(dccg, otg_inst, - PHYSYMCLK_FORCE_SRC_SYMCLK, false); + dccg35_set_physymclk_root_clock_gating(dccg, otg_inst, + false); /* dccg35_enable_global_fgcg_rep( dccg, dccg->ctx->dc->debug.enable_fine_grain_clock_gating.bits @@ -756,6 +763,7 @@ static const struct dccg_funcs dccg35_funcs = { .disable_symclk32_le = dccg31_disable_symclk32_le, .set_symclk32_le_root_clock_gating = dccg31_set_symclk32_le_root_clock_gating, .set_physymclk = dccg35_set_physymclk, + .set_physymclk_root_clock_gating = dccg35_set_physymclk_root_clock_gating, .set_dtbclk_dto = dccg35_set_dtbclk_dto, .set_audio_dtbclk_dto = dccg31_set_audio_dtbclk_dto, .set_fifo_errdet_ovr_en = dccg2_set_fifo_errdet_ovr_en, diff --git a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c index e35d4c028d01..9fb8d2fa5e53 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c @@ -610,7 +610,23 @@ static struct dce_hwseq_registers hwseq_reg; HWS_SF(, DMU_CLK_CNTL, LONO_FGCG_REP_DIS, mask_sh),\ HWS_SF(, DMU_CLK_CNTL, LONO_DISPCLK_GATE_DISABLE, mask_sh),\ HWS_SF(, DMU_CLK_CNTL, LONO_SOCCLK_GATE_DISABLE, mask_sh),\ - HWS_SF(, DMU_CLK_CNTL, LONO_DMCUBCLK_GATE_DISABLE, mask_sh) + HWS_SF(, DMU_CLK_CNTL, LONO_DMCUBCLK_GATE_DISABLE, mask_sh),\ + HWS_SF(, DCCG_GATE_DISABLE_CNTL2, SYMCLKA_FE_GATE_DISABLE, mask_sh), \ + HWS_SF(, DCCG_GATE_DISABLE_CNTL2, SYMCLKB_FE_GATE_DISABLE, mask_sh), \ + HWS_SF(, DCCG_GATE_DISABLE_CNTL2, SYMCLKC_FE_GATE_DISABLE, mask_sh), \ + HWS_SF(, DCCG_GATE_DISABLE_CNTL2, SYMCLKD_FE_GATE_DISABLE, mask_sh), \ + HWS_SF(, DCCG_GATE_DISABLE_CNTL2, SYMCLKE_FE_GATE_DISABLE, mask_sh), \ + HWS_SF(, DCCG_GATE_DISABLE_CNTL2, HDMICHARCLK0_GATE_DISABLE, mask_sh), \ + HWS_SF(, DCCG_GATE_DISABLE_CNTL2, SYMCLKA_GATE_DISABLE, mask_sh), \ + HWS_SF(, DCCG_GATE_DISABLE_CNTL2, SYMCLKB_GATE_DISABLE, mask_sh), \ + HWS_SF(, DCCG_GATE_DISABLE_CNTL2, SYMCLKC_GATE_DISABLE, mask_sh), \ + HWS_SF(, DCCG_GATE_DISABLE_CNTL2, SYMCLKD_GATE_DISABLE, mask_sh), \ + HWS_SF(, DCCG_GATE_DISABLE_CNTL2, SYMCLKE_GATE_DISABLE, mask_sh), \ + HWS_SF(, DCCG_GATE_DISABLE_CNTL2, PHYASYMCLK_ROOT_GATE_DISABLE, mask_sh), \ + HWS_SF(, DCCG_GATE_DISABLE_CNTL2, PHYBSYMCLK_ROOT_GATE_DISABLE, mask_sh), \ + HWS_SF(, DCCG_GATE_DISABLE_CNTL2, PHYCSYMCLK_ROOT_GATE_DISABLE, mask_sh), \ + HWS_SF(, DCCG_GATE_DISABLE_CNTL2, PHYDSYMCLK_ROOT_GATE_DISABLE, mask_sh), \ + HWS_SF(, DCCG_GATE_DISABLE_CNTL2, PHYESYMCLK_ROOT_GATE_DISABLE, mask_sh) static const struct dce_hwseq_shift hwseq_shift = { HWSEQ_DCN35_MASK_SH_LIST(__SHIFT) @@ -725,7 +741,7 @@ static const struct dc_debug_options debug_defaults_drv = { .symclk32_se = true, .symclk32_le = true, .symclk_fe = true, - .physymclk = false, // Prevents eDP light up + .physymclk = true, .dpiasymclk = true, } }, diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dce/dce_hwseq.h b/drivers/gpu/drm/amd/display/dc/hwss/dce/dce_hwseq.h index 2fefdf40612d..44b4df6469d1 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dce/dce_hwseq.h +++ b/drivers/gpu/drm/amd/display/dc/hwss/dce/dce_hwseq.h @@ -1183,7 +1183,23 @@ struct dce_hwseq_registers { type LONO_FGCG_REP_DIS;\ type LONO_DISPCLK_GATE_DISABLE;\ type LONO_SOCCLK_GATE_DISABLE;\ - type LONO_DMCUBCLK_GATE_DISABLE; + type LONO_DMCUBCLK_GATE_DISABLE;\ + type SYMCLKA_FE_GATE_DISABLE;\ + type SYMCLKB_FE_GATE_DISABLE;\ + type SYMCLKC_FE_GATE_DISABLE;\ + type SYMCLKD_FE_GATE_DISABLE;\ + type SYMCLKE_FE_GATE_DISABLE;\ + type HDMICHARCLK0_GATE_DISABLE;\ + type SYMCLKA_GATE_DISABLE;\ + type SYMCLKB_GATE_DISABLE;\ + type SYMCLKC_GATE_DISABLE;\ + type SYMCLKD_GATE_DISABLE;\ + type SYMCLKE_GATE_DISABLE;\ + type PHYASYMCLK_ROOT_GATE_DISABLE;\ + type PHYBSYMCLK_ROOT_GATE_DISABLE;\ + type PHYCSYMCLK_ROOT_GATE_DISABLE;\ + type PHYDSYMCLK_ROOT_GATE_DISABLE;\ + type PHYESYMCLK_ROOT_GATE_DISABLE; struct dce_hwseq_shift { HWSEQ_REG_FIELD_LIST(uint8_t) diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c index 0569fa6f7600..5a8258287438 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c @@ -146,7 +146,15 @@ void dcn35_init_hw(struct dc *dc) } REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0); - REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0x3F000000); + REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0); + + /* Disable gating for PHYASYMCLK. This will be enabled in dccg if needed */ + REG_UPDATE_5(DCCG_GATE_DISABLE_CNTL2, PHYASYMCLK_ROOT_GATE_DISABLE, 1, + PHYBSYMCLK_ROOT_GATE_DISABLE, 1, + PHYCSYMCLK_ROOT_GATE_DISABLE, 1, + PHYDSYMCLK_ROOT_GATE_DISABLE, 1, + PHYESYMCLK_ROOT_GATE_DISABLE, 1); + REG_WRITE(DCCG_GATE_DISABLE_CNTL5, 0x1f7c3fcf); // Initialize the dccg @@ -275,7 +283,19 @@ void dcn35_init_hw(struct dc *dc) 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_5(DCCG_GATE_DISABLE_CNTL2, SYMCLKA_FE_GATE_DISABLE, 0, + SYMCLKB_FE_GATE_DISABLE, 0, + SYMCLKC_FE_GATE_DISABLE, 0, + SYMCLKD_FE_GATE_DISABLE, 0, + SYMCLKE_FE_GATE_DISABLE, 0); + REG_UPDATE(DCCG_GATE_DISABLE_CNTL2, HDMICHARCLK0_GATE_DISABLE, 0); + REG_UPDATE_5(DCCG_GATE_DISABLE_CNTL2, SYMCLKA_GATE_DISABLE, 0, + SYMCLKB_GATE_DISABLE, 0, + SYMCLKC_GATE_DISABLE, 0, + SYMCLKD_GATE_DISABLE, 0, + SYMCLKE_GATE_DISABLE, 0); + REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0); } diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h index 13f12f2a3f81..ce2f0c0e82bd 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h @@ -141,6 +141,11 @@ struct dccg_funcs { enum physymclk_clock_source clk_src, bool force_enable); + void (*set_physymclk_root_clock_gating)( + struct dccg *dccg, + int phy_inst, + bool enable); + void (*set_dtbclk_dto)( struct dccg *dccg, const struct dtbclk_dto_params *params); |