From: Daniel Miess <daniel.mi...@amd.com>
[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.kazlaus...@amd.com>
Reviewed-by: Jun Lei <jun....@amd.com>
Acked-by: Hersen Wu <hersenxs...@amd.com>
Signed-off-by: Daniel Miess <daniel.mi...@amd.com>
Signed-off-by: Hersen Wu <hersenxs...@amd.com>
---
.../gpu/drm/amd/display/dc/dcn35/dcn35_dccg.c | 72 ++++++++++---------
.../drm/amd/display/dc/dcn35/dcn35_resource.c | 20 +++++-
.../drm/amd/display/dc/hwss/dce/dce_hwseq.h | 18 ++++-
.../amd/display/dc/hwss/dcn35/dcn35_hwseq.c | 24 ++++++-
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);
--
2.25.1
