This implements BACO (Bus Active, Chip Off) support
for vega12.
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/Makefile | 3 +-
.../gpu/drm/amd/powerplay/hwmgr/vega12_baco.c | 156 ++++++++++++++++++
.../gpu/drm/amd/powerplay/hwmgr/vega12_baco.h | 32 ++++
.../drm/amd/powerplay/hwmgr/vega12_hwmgr.c | 5 +
.../gpu/drm/amd/powerplay/hwmgr/vega12_inc.h | 2 +
5 files changed, 197 insertions(+), 1 deletion(-)
create mode 100644 drivers/gpu/drm/amd/powerplay/hwmgr/vega12_baco.c
create mode 100644 drivers/gpu/drm/amd/powerplay/hwmgr/vega12_baco.h
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile
b/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile
index 0b3c6d1d52e4..d1adf68f4c64 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile
@@ -35,7 +35,8 @@ HARDWARE_MGR = hwmgr.o processpptables.o \
vega12_thermal.o \
pp_overdriver.o smu_helper.o \
vega20_processpptables.o vega20_hwmgr.o vega20_powertune.o \
- vega20_thermal.o common_baco.o vega10_baco.o vega20_baco.o
+ vega20_thermal.o common_baco.o vega10_baco.o vega20_baco.o \
+ vega12_baco.o
AMD_PP_HWMGR = $(addprefix $(AMD_PP_PATH)/hwmgr/,$(HARDWARE_MGR))
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_baco.c
b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_baco.c
new file mode 100644
index 000000000000..c2cc15385012
--- /dev/null
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_baco.c
@@ -0,0 +1,156 @@
+/*
+ * Copyright 2019 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#include "amdgpu.h"
+#include "soc15.h"
+#include "soc15_hw_ip.h"
+#include "vega10_ip_offset.h"
+#include "soc15_common.h"
+#include "vega12_inc.h"
+#include "vega12_ppsmc.h"
+#include "vega12_baco.h"
+
+static const struct soc15_baco_cmd_entry pre_baco_tbl[] =
+{
+ { CMD_READMODIFYWRITE, NBIF_HWID, 0, mmBIF_DOORBELL_CNTL_BASE_IDX,
mmBIF_DOORBELL_CNTL, BIF_DOORBELL_CNTL__DOORBELL_MONITOR_EN_MASK,
BIF_DOORBELL_CNTL__DOORBELL_MONITOR_EN__SHIFT, 0, 0 },
+ { CMD_WRITE, NBIF_HWID, 0, mmBIF_FB_EN_BASE_IDX, mmBIF_FB_EN, 0, 0, 0,
0 },
+ { CMD_READMODIFYWRITE, NBIF_HWID, 0, mmRCC_BACO_CNTL_MISC_BASE_IDX,
mmBACO_CNTL, BACO_CNTL__BACO_DSTATE_BYPASS_MASK,
BACO_CNTL__BACO_DSTATE_BYPASS__SHIFT, 0, 1 },
+ { CMD_READMODIFYWRITE, NBIF_HWID, 0, mmRCC_BACO_CNTL_MISC_BASE_IDX,
mmBACO_CNTL, BACO_CNTL__BACO_RST_INTR_MASK_MASK,
BACO_CNTL__BACO_RST_INTR_MASK__SHIFT, 0, 1 }
+};
+
+static const struct soc15_baco_cmd_entry enter_baco_tbl[] =
+{
+ { CMD_WAITFOR, THM_HWID, 0, mmTHM_BACO_CNTL_BASE_IDX, mmTHM_BACO_CNTL,
THM_BACO_CNTL__SOC_DOMAIN_IDLE_MASK, THM_BACO_CNTL__SOC_DOMAIN_IDLE__SHIFT,
0xffffffff, 0x80000000 },
+ { CMD_READMODIFYWRITE, NBIF_HWID, 0, mmRCC_BACO_CNTL_MISC_BASE_IDX,
mmBACO_CNTL, BACO_CNTL__BACO_EN_MASK, BACO_CNTL__BACO_EN__SHIFT, 0, 1 },
+ { CMD_READMODIFYWRITE, NBIF_HWID, 0, mmRCC_BACO_CNTL_MISC_BASE_IDX,
mmBACO_CNTL, BACO_CNTL__BACO_BIF_LCLK_SWITCH_MASK,
BACO_CNTL__BACO_BIF_LCLK_SWITCH__SHIFT, 0, 1 },
+ { CMD_READMODIFYWRITE, NBIF_HWID, 0, mmRCC_BACO_CNTL_MISC_BASE_IDX,
mmBACO_CNTL, BACO_CNTL__BACO_DUMMY_EN_MASK, BACO_CNTL__BACO_DUMMY_EN__SHIFT, 0,
1 },
+ { CMD_READMODIFYWRITE, THM_HWID, 0, mmTHM_BACO_CNTL_BASE_IDX,
mmTHM_BACO_CNTL, THM_BACO_CNTL__BACO_SOC_VDCI_RESET_MASK,
THM_BACO_CNTL__BACO_SOC_VDCI_RESET__SHIFT, 0, 1 },
+ { CMD_READMODIFYWRITE, THM_HWID, 0, mmTHM_BACO_CNTL_BASE_IDX,
mmTHM_BACO_CNTL, THM_BACO_CNTL__BACO_SMNCLK_MUX_MASK,
THM_BACO_CNTL__BACO_SMNCLK_MUX__SHIFT, 0, 1 },
+ { CMD_READMODIFYWRITE, THM_HWID, 0, mmTHM_BACO_CNTL_BASE_IDX,
mmTHM_BACO_CNTL, THM_BACO_CNTL__BACO_ISO_EN_MASK,
THM_BACO_CNTL__BACO_ISO_EN__SHIFT, 0, 1 },
+ { CMD_READMODIFYWRITE, THM_HWID, 0, mmTHM_BACO_CNTL_BASE_IDX,
mmTHM_BACO_CNTL, THM_BACO_CNTL__BACO_AEB_ISO_EN_MASK,
THM_BACO_CNTL__BACO_AEB_ISO_EN__SHIFT, 0, 1 },
+ { CMD_READMODIFYWRITE, THM_HWID, 0, mmTHM_BACO_CNTL_BASE_IDX,
mmTHM_BACO_CNTL, THM_BACO_CNTL__BACO_ANA_ISO_EN_MASK,
THM_BACO_CNTL__BACO_ANA_ISO_EN__SHIFT, 0, 1 },
+ { CMD_READMODIFYWRITE, THM_HWID, 0, mmTHM_BACO_CNTL_BASE_IDX,
mmTHM_BACO_CNTL, THM_BACO_CNTL__BACO_SOC_REFCLK_OFF_MASK,
THM_BACO_CNTL__BACO_SOC_REFCLK_OFF__SHIFT, 0, 1 },
+ { CMD_READMODIFYWRITE, NBIF_HWID, 0, mmRCC_BACO_CNTL_MISC_BASE_IDX,
mmBACO_CNTL, BACO_CNTL__BACO_POWER_OFF_MASK, BACO_CNTL__BACO_POWER_OFF__SHIFT,
0, 1 },
+ { CMD_DELAY_MS, 0, 0, 0, 5, 0 },
+ { CMD_READMODIFYWRITE, THM_HWID, 0, mmTHM_BACO_CNTL_BASE_IDX,
mmTHM_BACO_CNTL, THM_BACO_CNTL__BACO_RESET_EN_MASK,
THM_BACO_CNTL__BACO_RESET_EN__SHIFT, 0, 1 },
+ { CMD_READMODIFYWRITE, THM_HWID, 0, mmTHM_BACO_CNTL_BASE_IDX,
mmTHM_BACO_CNTL, THM_BACO_CNTL__BACO_PWROKRAW_CNTL_MASK,
THM_BACO_CNTL__BACO_PWROKRAW_CNTL__SHIFT, 0, 0 },
+ { CMD_WAITFOR, NBIF_HWID, 0, mmRCC_BACO_CNTL_MISC_BASE_IDX,
mmBACO_CNTL, BACO_CNTL__BACO_MODE_MASK, BACO_CNTL__BACO_MODE__SHIFT,
0xffffffff, 0x100 }
+};
+
+static const struct soc15_baco_cmd_entry exit_baco_tbl[] =
+{
+ { CMD_READMODIFYWRITE, NBIF_HWID, 0, mmRCC_BACO_CNTL_MISC_BASE_IDX,
mmBACO_CNTL, BACO_CNTL__BACO_POWER_OFF_MASK, BACO_CNTL__BACO_POWER_OFF__SHIFT,
0, 0 },
+ { CMD_DELAY_MS, 0, 0, 0, 0, 0, 0, 10, 0 },
+ { CMD_READMODIFYWRITE, THM_HWID, 0, mmTHM_BACO_CNTL_BASE_IDX,
mmTHM_BACO_CNTL, THM_BACO_CNTL__BACO_SOC_REFCLK_OFF_MASK,
THM_BACO_CNTL__BACO_SOC_REFCLK_OFF__SHIFT, 0, 0 },
+ { CMD_READMODIFYWRITE, THM_HWID, 0, mmTHM_BACO_CNTL_BASE_IDX,
mmTHM_BACO_CNTL, THM_BACO_CNTL__BACO_ANA_ISO_EN_MASK,
THM_BACO_CNTL__BACO_ANA_ISO_EN__SHIFT, 0, 0 },
+ { CMD_READMODIFYWRITE, THM_HWID, 0, mmTHM_BACO_CNTL_BASE_IDX,
mmTHM_BACO_CNTL, THM_BACO_CNTL__BACO_AEB_ISO_EN_MASK,
THM_BACO_CNTL__BACO_AEB_ISO_EN__SHIFT, 0, 0 },
+ { CMD_READMODIFYWRITE, THM_HWID, 0, mmTHM_BACO_CNTL_BASE_IDX,
mmTHM_BACO_CNTL, THM_BACO_CNTL__BACO_ISO_EN_MASK,
THM_BACO_CNTL__BACO_ISO_EN__SHIFT, 0, 0 },
+ { CMD_READMODIFYWRITE, THM_HWID, 0, mmTHM_BACO_CNTL_BASE_IDX,
mmTHM_BACO_CNTL, THM_BACO_CNTL__BACO_PWROKRAW_CNTL_MASK,
THM_BACO_CNTL__BACO_PWROKRAW_CNTL__SHIFT, 0, 1 },
+ { CMD_READMODIFYWRITE, THM_HWID, 0, mmTHM_BACO_CNTL_BASE_IDX,
mmTHM_BACO_CNTL, THM_BACO_CNTL__BACO_SMNCLK_MUX_MASK,
THM_BACO_CNTL__BACO_SMNCLK_MUX__SHIFT, 0, 0 },
+ { CMD_READMODIFYWRITE, THM_HWID, 0, mmTHM_BACO_CNTL_BASE_IDX,
mmTHM_BACO_CNTL, THM_BACO_CNTL__BACO_SOC_VDCI_RESET_MASK,
THM_BACO_CNTL__BACO_SOC_VDCI_RESET__SHIFT, 0, 0 },
+ { CMD_READMODIFYWRITE, THM_HWID, 0, mmTHM_BACO_CNTL_BASE_IDX,
mmTHM_BACO_CNTL, THM_BACO_CNTL__BACO_EXIT_MASK,
THM_BACO_CNTL__BACO_EXIT__SHIFT, 0, 1 },
+ { CMD_READMODIFYWRITE, THM_HWID, 0, mmTHM_BACO_CNTL_BASE_IDX,
mmTHM_BACO_CNTL, THM_BACO_CNTL__BACO_RESET_EN_MASK,
THM_BACO_CNTL__BACO_RESET_EN__SHIFT, 0, 0 },
+ { CMD_WAITFOR, THM_HWID, 0, mmTHM_BACO_CNTL_BASE_IDX, mmTHM_BACO_CNTL,
THM_BACO_CNTL__BACO_EXIT_MASK, 0, 0xffffffff, 0 },
+ { CMD_READMODIFYWRITE, THM_HWID, 0, mmTHM_BACO_CNTL_BASE_IDX,
mmTHM_BACO_CNTL, THM_BACO_CNTL__BACO_SB_AXI_FENCE_MASK,
THM_BACO_CNTL__BACO_SB_AXI_FENCE__SHIFT, 0, 0 },
+ { CMD_READMODIFYWRITE, NBIF_HWID, 0, mmRCC_BACO_CNTL_MISC_BASE_IDX,
mmBACO_CNTL, BACO_CNTL__BACO_DUMMY_EN_MASK, BACO_CNTL__BACO_DUMMY_EN__SHIFT, 0,
0 },
+ { CMD_READMODIFYWRITE, NBIF_HWID, 0, mmRCC_BACO_CNTL_MISC_BASE_IDX,
mmBACO_CNTL, BACO_CNTL__BACO_BIF_LCLK_SWITCH_MASK,
BACO_CNTL__BACO_BIF_LCLK_SWITCH__SHIFT, 0, 0 },
+ { CMD_READMODIFYWRITE, NBIF_HWID, 0, mmRCC_BACO_CNTL_MISC_BASE_IDX,
mmBACO_CNTL, BACO_CNTL__BACO_EN_MASK, BACO_CNTL__BACO_EN__SHIFT, 0, 0 },
+ { CMD_WAITFOR, NBIF_HWID, 0, mmRCC_BACO_CNTL_MISC_BASE_IDX,
mmBACO_CNTL, BACO_CNTL__BACO_MODE_MASK, 0, 0xffffffff, 0 }
+};
+
+static const struct soc15_baco_cmd_entry clean_baco_tbl[] =
+{
+ { CMD_WRITE, NBIF_HWID, 0, mmBIOS_SCRATCH_6_BASE_IDX, mmBIOS_SCRATCH_6,
0, 0, 0, 0 },
+ { CMD_WRITE, NBIF_HWID, 0, mmBIOS_SCRATCH_7_BASE_IDX, mmBIOS_SCRATCH_7,
0, 0, 0, 0 }
+};
+
+int vega12_baco_get_capability(struct pp_hwmgr *hwmgr, bool *cap)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)(hwmgr->adev);
+ uint32_t reg, data;
+
+ *cap = false;
+ if (!phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_BACO))
+ return 0;
+
+ WREG32(0x12074, 0xFFF0003B);
+ data = RREG32(0x12075);
+
+ if (data == 0x1) {
+ reg = RREG32_SOC15(NBIF, 0, mmRCC_BIF_STRAP0);
+
+ if (reg & RCC_BIF_STRAP0__STRAP_PX_CAPABLE_MASK)
+ *cap = true;
+ }
+
+ return 0;
+}
+
+int vega12_baco_get_state(struct pp_hwmgr *hwmgr, enum BACO_STATE *state)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)(hwmgr->adev);
+ uint32_t reg;
+
+ reg = RREG32_SOC15(NBIF, 0, mmBACO_CNTL);
+
+ if (reg & BACO_CNTL__BACO_MODE_MASK)
+ /* gfx has already entered BACO state */
+ *state = BACO_STATE_IN;
+ else
+ *state = BACO_STATE_OUT;
+ return 0;
+}
+
+int vega12_baco_set_state(struct pp_hwmgr *hwmgr, enum BACO_STATE state)
+{
+ enum BACO_STATE cur_state;
+
+ vega12_baco_get_state(hwmgr, &cur_state);
+
+ if (cur_state == state)
+ /* aisc already in the target state */
+ return 0;
+
+ if (state == BACO_STATE_IN) {
+ if (soc15_baco_program_registers(hwmgr, pre_baco_tbl,
+ ARRAY_SIZE(pre_baco_tbl))) {
+ if (smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_EnterBaco, 0))
+ return -EINVAL;
+
+ if (soc15_baco_program_registers(hwmgr, enter_baco_tbl,
+ ARRAY_SIZE(enter_baco_tbl)))
+ return 0;
+ }
+ } else if (state == BACO_STATE_OUT) {
+ /* HW requires at least 20ms between regulator off and on */
+ msleep(20);
+ /* Execute Hardware BACO exit sequence */
+ if (soc15_baco_program_registers(hwmgr, exit_baco_tbl,
+ ARRAY_SIZE(exit_baco_tbl))) {
+ if (soc15_baco_program_registers(hwmgr, clean_baco_tbl,
+
ARRAY_SIZE(clean_baco_tbl)))
+ return 0;
+ }
+ }
+
+ return -EINVAL;
+}
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_baco.h
b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_baco.h
new file mode 100644
index 000000000000..457670ee9dda
--- /dev/null
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_baco.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2019 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#ifndef __VEGA12_BACO_H__
+#define __VEGA12_BACO_H__
+#include "hwmgr.h"
+#include "common_baco.h"
+
+extern int vega12_baco_get_capability(struct pp_hwmgr *hwmgr, bool *cap);
+extern int vega12_baco_get_state(struct pp_hwmgr *hwmgr, enum BACO_STATE
*state);
+extern int vega12_baco_set_state(struct pp_hwmgr *hwmgr, enum BACO_STATE
state);
+
+#endif
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
index 6c8e78611c03..9d8c5930d4b6 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
@@ -45,6 +45,7 @@
#include "ppinterrupt.h"
#include "pp_overdriver.h"
#include "pp_thermal.h"
+#include "vega12_baco.h"
static int vega12_force_clock_level(struct pp_hwmgr *hwmgr,
@@ -2626,8 +2627,12 @@ static const struct pp_hwmgr_func vega12_hwmgr_funcs = {
.start_thermal_controller = vega12_start_thermal_controller,
.powergate_gfx = vega12_gfx_off_control,
.get_performance_level = vega12_get_performance_level,
+ .get_asic_baco_capability = vega12_baco_get_capability,
+ .get_asic_baco_state = vega12_baco_get_state,
+ .set_asic_baco_state = vega12_baco_set_state,
.get_ppfeature_status = vega12_get_ppfeature_status,
.set_ppfeature_status = vega12_set_ppfeature_status,
+
};
int vega12_hwmgr_init(struct pp_hwmgr *hwmgr)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_inc.h
b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_inc.h
index 30b278c50222..e6d9e84059e1 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_inc.h
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_inc.h
@@ -35,5 +35,7 @@
#include "asic_reg/gc/gc_9_2_1_sh_mask.h"
#include "asic_reg/nbio/nbio_6_1_offset.h"
+#include "asic_reg/nbio/nbio_6_1_offset.h"
+#include "asic_reg/nbio/nbio_6_1_sh_mask.h"
#endif
--
2.20.1
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