drm/amd/powerplay: add multimedia power gating support for Fiji.
authorEric Huang <JinHuiEric.Huang@amd.com>
Fri, 20 Nov 2015 20:58:11 +0000 (15:58 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 21 Dec 2015 21:42:44 +0000 (16:42 -0500)
Acked-by: Jammy Zhou <Jammy.Zhou@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
drivers/gpu/drm/amd/powerplay/hwmgr/Makefile
drivers/gpu/drm/amd/powerplay/hwmgr/fiji_clockpowergating.c [new file with mode: 0644]
drivers/gpu/drm/amd/powerplay/hwmgr/fiji_clockpowergating.h [new file with mode: 0644]
drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c
drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.h

index cea032c..269fd82 100644 (file)
@@ -7,7 +7,8 @@ HARDWARE_MGR = hwmgr.o processpptables.o functiontables.o \
                cz_clockpowergating.o \
               tonga_processpptables.o ppatomctrl.o \
                tonga_hwmgr.o pppcielanes.o  tonga_thermal.o\
-               fiji_powertune.o fiji_hwmgr.o tonga_clockpowergating.o
+               fiji_powertune.o fiji_hwmgr.o tonga_clockpowergating.o \
+               fiji_clockpowergating.o
 
 AMD_PP_HWMGR = $(addprefix $(AMD_PP_PATH)/hwmgr/,$(HARDWARE_MGR))
 
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_clockpowergating.c b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_clockpowergating.c
new file mode 100644 (file)
index 0000000..e68edf0
--- /dev/null
@@ -0,0 +1,114 @@
+/*
+ * Copyright 2015 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 "hwmgr.h"
+#include "fiji_clockpowergating.h"
+#include "fiji_ppsmc.h"
+#include "fiji_hwmgr.h"
+
+int fiji_phm_disable_clock_power_gating(struct pp_hwmgr *hwmgr)
+{
+       struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend);
+
+       data->uvd_power_gated = false;
+       data->vce_power_gated = false;
+       data->samu_power_gated = false;
+       data->acp_power_gated = false;
+
+       return 0;
+}
+
+int fiji_phm_powergate_uvd(struct pp_hwmgr *hwmgr, bool bgate)
+{
+       struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend);
+
+       if (data->uvd_power_gated == bgate)
+               return 0;
+
+       data->uvd_power_gated = bgate;
+
+       if (bgate)
+               fiji_update_uvd_dpm(hwmgr, true);
+       else
+               fiji_update_uvd_dpm(hwmgr, false);
+
+       return 0;
+}
+
+int fiji_phm_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate)
+{
+       struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend);
+       struct phm_set_power_state_input states;
+       const struct pp_power_state  *pcurrent;
+       struct pp_power_state  *requested;
+
+       if (data->vce_power_gated == bgate)
+               return 0;
+
+       data->vce_power_gated = bgate;
+
+       pcurrent = hwmgr->current_ps;
+       requested = hwmgr->request_ps;
+
+       states.pcurrent_state = &(pcurrent->hardware);
+       states.pnew_state = &(requested->hardware);
+
+       fiji_update_vce_dpm(hwmgr, &states);
+       fiji_enable_disable_vce_dpm(hwmgr, !bgate);
+
+       return 0;
+}
+
+int fiji_phm_powergate_samu(struct pp_hwmgr *hwmgr, bool bgate)
+{
+       struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend);
+
+       if (data->samu_power_gated == bgate)
+               return 0;
+
+       data->samu_power_gated = bgate;
+
+       if (bgate)
+               fiji_update_samu_dpm(hwmgr, true);
+       else
+               fiji_update_samu_dpm(hwmgr, false);
+
+       return 0;
+}
+
+int fiji_phm_powergate_acp(struct pp_hwmgr *hwmgr, bool bgate)
+{
+       struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend);
+
+       if (data->acp_power_gated == bgate)
+               return 0;
+
+       data->acp_power_gated = bgate;
+
+       if (bgate)
+               fiji_update_acp_dpm(hwmgr, true);
+       else
+               fiji_update_acp_dpm(hwmgr, false);
+
+       return 0;
+}
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_clockpowergating.h b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_clockpowergating.h
new file mode 100644 (file)
index 0000000..33af5f5
--- /dev/null
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2015 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 _FIJI_CLOCK_POWER_GATING_H_
+#define _FIJI_CLOCK_POWER_GATING_H_
+
+#include "fiji_hwmgr.h"
+#include "pp_asicblocks.h"
+
+extern int fiji_phm_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate);
+extern int fiji_phm_powergate_uvd(struct pp_hwmgr *hwmgr, bool bgate);
+extern int fiji_phm_powergate_samu(struct pp_hwmgr *hwmgr, bool bgate);
+extern int fiji_phm_powergate_acp(struct pp_hwmgr *hwmgr, bool bgate);
+extern int fiji_phm_disable_clock_power_gating(struct pp_hwmgr *hwmgr);
+#endif /* _TONGA_CLOCK_POWER_GATING_H_ */
index 5ef92e1..b616e16 100644 (file)
@@ -51,6 +51,8 @@
 #include "pp_acpi.h"
 #include "amd_pcie_helpers.h"
 
+#include "fiji_clockpowergating.h"
+
 #define VOLTAGE_SCALE  4
 #define SMC_RAM_END            0x40000
 #define VDDC_VDDCI_DELTA       300
@@ -4385,14 +4387,70 @@ static int fiji_generate_dpm_level_enable_mask(
        return 0;
 }
 
-static int fiji_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable)
+int fiji_enable_disable_uvd_dpm(struct pp_hwmgr *hwmgr, bool enable)
+{
+       return smum_send_msg_to_smc(hwmgr->smumgr, enable ?
+                                 (PPSMC_Msg)PPSMC_MSG_UVDDPM_Enable :
+                                 (PPSMC_Msg)PPSMC_MSG_UVDDPM_Disable);
+}
+
+int fiji_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable)
 {
        return smum_send_msg_to_smc(hwmgr->smumgr, enable?
                        PPSMC_MSG_VCEDPM_Enable :
                        PPSMC_MSG_VCEDPM_Disable);
 }
 
-static int fiji_update_vce_dpm(struct pp_hwmgr *hwmgr, const void *input)
+int fiji_enable_disable_samu_dpm(struct pp_hwmgr *hwmgr, bool enable)
+{
+       return smum_send_msg_to_smc(hwmgr->smumgr, enable?
+                       PPSMC_MSG_SAMUDPM_Enable :
+                       PPSMC_MSG_SAMUDPM_Disable);
+}
+
+int fiji_enable_disable_acp_dpm(struct pp_hwmgr *hwmgr, bool enable)
+{
+       return smum_send_msg_to_smc(hwmgr->smumgr, enable?
+                       PPSMC_MSG_ACPDPM_Enable :
+                       PPSMC_MSG_ACPDPM_Disable);
+}
+
+int fiji_update_uvd_dpm(struct pp_hwmgr *hwmgr, bool bgate)
+{
+       struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend);
+       uint32_t mm_boot_level_offset, mm_boot_level_value;
+       struct phm_ppt_v1_information *table_info =
+                       (struct phm_ppt_v1_information *)(hwmgr->pptable);
+
+       if (!bgate) {
+               data->smc_state_table.UvdBootLevel = 0;
+               if (table_info->mm_dep_table->count > 0)
+                       data->smc_state_table.UvdBootLevel =
+                                       (uint8_t) (table_info->mm_dep_table->count - 1);
+               mm_boot_level_offset = data->dpm_table_start +
+                               offsetof(SMU73_Discrete_DpmTable, UvdBootLevel);
+               mm_boot_level_offset /= 4;
+               mm_boot_level_offset *= 4;
+               mm_boot_level_value = cgs_read_ind_register(hwmgr->device,
+                               CGS_IND_REG__SMC, mm_boot_level_offset);
+               mm_boot_level_value &= 0x00FFFFFF;
+               mm_boot_level_value |= data->smc_state_table.UvdBootLevel << 24;
+               cgs_write_ind_register(hwmgr->device,
+                               CGS_IND_REG__SMC, mm_boot_level_offset, mm_boot_level_value);
+
+               if (!phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+                               PHM_PlatformCaps_UVDDPM) ||
+                       phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+                               PHM_PlatformCaps_StablePState))
+                       smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
+                                       PPSMC_MSG_UVDDPM_SetEnabledMask,
+                                       (uint32_t)(1 << data->smc_state_table.UvdBootLevel));
+       }
+
+       return fiji_enable_disable_uvd_dpm(hwmgr, !bgate);
+}
+
+int fiji_update_vce_dpm(struct pp_hwmgr *hwmgr, const void *input)
 {
        const struct phm_set_power_state_input *states =
                        (const struct phm_set_power_state_input *)input;
@@ -4438,6 +4496,68 @@ static int fiji_update_vce_dpm(struct pp_hwmgr *hwmgr, const void *input)
        return 0;
 }
 
+int fiji_update_samu_dpm(struct pp_hwmgr *hwmgr, bool bgate)
+{
+       struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend);
+       uint32_t mm_boot_level_offset, mm_boot_level_value;
+       struct phm_ppt_v1_information *table_info =
+                       (struct phm_ppt_v1_information *)(hwmgr->pptable);
+
+       if (!bgate) {
+               data->smc_state_table.SamuBootLevel =
+                               (uint8_t) (table_info->mm_dep_table->count - 1);
+               mm_boot_level_offset = data->dpm_table_start +
+                               offsetof(SMU73_Discrete_DpmTable, SamuBootLevel);
+               mm_boot_level_offset /= 4;
+               mm_boot_level_offset *= 4;
+               mm_boot_level_value = cgs_read_ind_register(hwmgr->device,
+                               CGS_IND_REG__SMC, mm_boot_level_offset);
+               mm_boot_level_value &= 0xFFFFFF00;
+               mm_boot_level_value |= data->smc_state_table.SamuBootLevel << 0;
+               cgs_write_ind_register(hwmgr->device,
+                               CGS_IND_REG__SMC, mm_boot_level_offset, mm_boot_level_value);
+
+               if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+                               PHM_PlatformCaps_StablePState))
+                       smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
+                                       PPSMC_MSG_SAMUDPM_SetEnabledMask,
+                                       (uint32_t)(1 << data->smc_state_table.SamuBootLevel));
+       }
+
+       return fiji_enable_disable_samu_dpm(hwmgr, !bgate);
+}
+
+int fiji_update_acp_dpm(struct pp_hwmgr *hwmgr, bool bgate)
+{
+       struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend);
+       uint32_t mm_boot_level_offset, mm_boot_level_value;
+       struct phm_ppt_v1_information *table_info =
+                       (struct phm_ppt_v1_information *)(hwmgr->pptable);
+
+       if (!bgate) {
+               data->smc_state_table.AcpBootLevel =
+                               (uint8_t) (table_info->mm_dep_table->count - 1);
+               mm_boot_level_offset = data->dpm_table_start +
+                               offsetof(SMU73_Discrete_DpmTable, AcpBootLevel);
+               mm_boot_level_offset /= 4;
+               mm_boot_level_offset *= 4;
+               mm_boot_level_value = cgs_read_ind_register(hwmgr->device,
+                               CGS_IND_REG__SMC, mm_boot_level_offset);
+               mm_boot_level_value &= 0xFFFF00FF;
+               mm_boot_level_value |= data->smc_state_table.AcpBootLevel << 8;
+               cgs_write_ind_register(hwmgr->device,
+                               CGS_IND_REG__SMC, mm_boot_level_offset, mm_boot_level_value);
+
+               if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+                               PHM_PlatformCaps_StablePState))
+                       smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
+                                               PPSMC_MSG_ACPDPM_SetEnabledMask,
+                                               (uint32_t)(1 << data->smc_state_table.AcpBootLevel));
+       }
+
+       return fiji_enable_disable_acp_dpm(hwmgr, !bgate);
+}
+
 static int fiji_update_sclk_threshold(struct pp_hwmgr *hwmgr)
 {
        struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend);
@@ -4747,6 +4867,9 @@ static const struct pp_hwmgr_func fiji_hwmgr_funcs = {
        .get_sclk = &fiji_dpm_get_sclk,
        .get_mclk = &fiji_dpm_get_mclk,
        .print_current_perforce_level = &fiji_print_current_perforce_level,
+       .powergate_uvd = &fiji_phm_powergate_uvd,
+       .powergate_vce = &fiji_phm_powergate_vce,
+       .disable_clock_power_gating = &fiji_phm_disable_clock_power_gating,
 };
 
 int fiji_hwmgr_init(struct pp_hwmgr *hwmgr)
index 22d985e..cd1e88a 100644 (file)
@@ -339,6 +339,11 @@ enum Fiji_I2CLineID {
 extern int tonga_initializa_dynamic_state_adjustment_rule_settings(struct pp_hwmgr *hwmgr);
 extern int tonga_hwmgr_backend_fini(struct pp_hwmgr *hwmgr);
 extern int tonga_get_mc_microcode_version (struct pp_hwmgr *hwmgr);
+int fiji_update_vce_dpm(struct pp_hwmgr *hwmgr, const void *input);
+int fiji_update_uvd_dpm(struct pp_hwmgr *hwmgr, bool bgate);
+int fiji_update_samu_dpm(struct pp_hwmgr *hwmgr, bool bgate);
+int fiji_update_acp_dpm(struct pp_hwmgr *hwmgr, bool bgate);
+int fiji_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable);
 
 #define PP_HOST_TO_SMC_UL(X) cpu_to_be32(X)
 #define PP_SMC_TO_HOST_UL(X) be32_to_cpu(X)