diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0040-drm-amd-powerplay-add-basic-powerplay-framework.patch')
-rw-r--r-- | common/recipes-kernel/linux/files/0040-drm-amd-powerplay-add-basic-powerplay-framework.patch | 942 |
1 files changed, 942 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0040-drm-amd-powerplay-add-basic-powerplay-framework.patch b/common/recipes-kernel/linux/files/0040-drm-amd-powerplay-add-basic-powerplay-framework.patch new file mode 100644 index 00000000..405f8018 --- /dev/null +++ b/common/recipes-kernel/linux/files/0040-drm-amd-powerplay-add-basic-powerplay-framework.patch @@ -0,0 +1,942 @@ +From eb6791939b3a50d7c764e43951da40cb5f8ead11 Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +Date: Wed, 2 Dec 2015 17:46:21 -0500 +Subject: [PATCH 0040/1110] drm/amd/powerplay: add basic powerplay framework + +amdgpu_pp_ip_funcs is introduced to handle the two code paths, +the legacy one and the new powerplay implementation. + +CONFIG_DRM_AMD_POWERPLAY kernel configuration option is +introduced for the powerplay component. + +v4: squash in fixes +v3: register debugfs file when powerplay module enable +v2: add amdgpu_ucode_init_bo in hw init when amdgpu_powerplay enable. + +Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> +Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/Makefile | 12 +- + drivers/gpu/drm/amd/amdgpu/amdgpu.h | 5 + + drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 1 + + drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c | 280 ++++++++++++++++++++++ + drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.h | 33 +++ + drivers/gpu/drm/amd/amdgpu/cik.c | 11 +- + drivers/gpu/drm/amd/amdgpu/vi.c | 7 +- + drivers/gpu/drm/amd/powerplay/Kconfig | 6 + + drivers/gpu/drm/amd/powerplay/Makefile | 15 ++ + drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 194 +++++++++++++++ + drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h | 162 +++++++++++++ + 11 files changed, 717 insertions(+), 9 deletions(-) + create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c + create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.h + create mode 100644 drivers/gpu/drm/amd/powerplay/Kconfig + create mode 100644 drivers/gpu/drm/amd/powerplay/Makefile + create mode 100644 drivers/gpu/drm/amd/powerplay/amd_powerplay.c + create mode 100644 drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h + +diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile +index 178fa15..4c856fe 100644 +--- a/drivers/gpu/drm/amd/amdgpu/Makefile ++++ b/drivers/gpu/drm/amd/amdgpu/Makefile +@@ -7,7 +7,8 @@ FULL_AMD_PATH=$(src)/.. + ccflags-y := -Iinclude/drm -I$(FULL_AMD_PATH)/include/asic_reg \ + -I$(FULL_AMD_PATH)/include \ + -I$(FULL_AMD_PATH)/amdgpu \ +- -I$(FULL_AMD_PATH)/scheduler ++ -I$(FULL_AMD_PATH)/scheduler \ ++ -I$(FULL_AMD_PATH)/powerplay/inc + + amdgpu-y := amdgpu_drv.o + +@@ -47,6 +48,7 @@ amdgpu-y += \ + # add SMC block + amdgpu-y += \ + amdgpu_dpm.o \ ++ amdgpu_powerplay.o \ + cz_smc.o cz_dpm.o \ + tonga_smc.o tonga_dpm.o \ + fiji_smc.o fiji_dpm.o \ +@@ -97,6 +99,14 @@ amdgpu-$(CONFIG_VGA_SWITCHEROO) += amdgpu_atpx_handler.o + amdgpu-$(CONFIG_ACPI) += amdgpu_acpi.o + amdgpu-$(CONFIG_MMU_NOTIFIER) += amdgpu_mn.o + ++ifneq ($(CONFIG_DRM_AMD_POWERPLAY),) ++ ++include drivers/gpu/drm/amd/powerplay/Makefile ++ ++amdgpu-y += $(AMD_POWERPLAY_FILES) ++ ++endif ++ + obj-$(CONFIG_DRM_AMDGPU)+= amdgpu.o + + CFLAGS_amdgpu_trace_points.o := -I$(src) +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h +index a10f421..9387cce 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h +@@ -52,6 +52,7 @@ + #include "amdgpu_irq.h" + #include "amdgpu_ucode.h" + #include "amdgpu_gds.h" ++#include "amd_powerplay.h" + + #include "gpu_scheduler.h" + +@@ -85,6 +86,7 @@ extern int amdgpu_enable_scheduler; + extern int amdgpu_sched_jobs; + extern int amdgpu_sched_hw_submission; + extern int amdgpu_enable_semaphores; ++extern int amdgpu_powerplay; + + #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS 3000 + #define AMDGPU_MAX_USEC_TIMEOUT 100000 /* 100 ms */ +@@ -2045,6 +2047,9 @@ struct amdgpu_device { + /* interrupts */ + struct amdgpu_irq irq; + ++ /* powerplay */ ++ struct amd_powerplay powerplay; ++ + /* dpm */ + struct amdgpu_pm pm; + u32 cg_flags; +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +index 659300c..a318356 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +@@ -82,6 +82,7 @@ int amdgpu_enable_scheduler = 1; + int amdgpu_sched_jobs = 32; + int amdgpu_sched_hw_submission = 2; + int amdgpu_enable_semaphores = 0; ++int amdgpu_powerplay = 0; + + MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes"); + module_param_named(vramlimit, amdgpu_vram_limit, int, 0600); +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c +new file mode 100644 +index 0000000..5dd2a4c +--- /dev/null ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c +@@ -0,0 +1,280 @@ ++/* ++ * 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. ++ * ++ * Authors: AMD ++ * ++ */ ++#include "atom.h" ++#include "amdgpu.h" ++#include "amd_shared.h" ++#include <linux/module.h> ++#include <linux/moduleparam.h> ++#include "amdgpu_pm.h" ++#include <drm/amdgpu_drm.h> ++#include "amdgpu_powerplay.h" ++#include "cik_dpm.h" ++#include "vi_dpm.h" ++ ++static int amdgpu_powerplay_init(struct amdgpu_device *adev) ++{ ++ int ret = 0; ++ struct amd_powerplay *amd_pp; ++ ++ amd_pp = &(adev->powerplay); ++ ++ if (amdgpu_powerplay) { ++#ifdef CONFIG_DRM_AMD_POWERPLAY ++ struct amd_pp_init *pp_init; ++ ++ pp_init = kzalloc(sizeof(struct amd_pp_init), GFP_KERNEL); ++ ++ if (pp_init == NULL) ++ return -ENOMEM; ++ ++ pp_init->chip_family = adev->family; ++ pp_init->chip_id = adev->asic_type; ++ pp_init->device = amdgpu_cgs_create_device(adev); ++ ++ ret = amd_powerplay_init(pp_init, amd_pp); ++ kfree(pp_init); ++#endif ++ } else { ++ amd_pp->pp_handle = (void *)adev; ++ ++ switch (adev->asic_type) { ++#ifdef CONFIG_DRM_AMDGPU_CIK ++ case CHIP_BONAIRE: ++ case CHIP_HAWAII: ++ amd_pp->ip_funcs = &ci_dpm_ip_funcs; ++ break; ++ case CHIP_KABINI: ++ case CHIP_MULLINS: ++ case CHIP_KAVERI: ++ amd_pp->ip_funcs = &kv_dpm_ip_funcs; ++ break; ++#endif ++ case CHIP_TOPAZ: ++ amd_pp->ip_funcs = &iceland_dpm_ip_funcs; ++ break; ++ case CHIP_TONGA: ++ amd_pp->ip_funcs = &tonga_dpm_ip_funcs; ++ break; ++ case CHIP_CARRIZO: ++ amd_pp->ip_funcs = &cz_dpm_ip_funcs; ++ break; ++ default: ++ ret = -EINVAL; ++ break; ++ } ++ } ++ return ret; ++} ++ ++static int amdgpu_pp_early_init(void *handle) ++{ ++ struct amdgpu_device *adev = (struct amdgpu_device *)handle; ++ int ret = 0; ++ ++ ret = amdgpu_powerplay_init(adev); ++ if (ret) ++ return ret; ++ ++ if (adev->powerplay.ip_funcs->early_init) ++ ret = adev->powerplay.ip_funcs->early_init( ++ adev->powerplay.pp_handle); ++ return ret; ++} ++ ++static int amdgpu_pp_sw_init(void *handle) ++{ ++ int ret = 0; ++ struct amdgpu_device *adev = (struct amdgpu_device *)handle; ++ ++ if (adev->powerplay.ip_funcs->sw_init) ++ ret = adev->powerplay.ip_funcs->sw_init( ++ adev->powerplay.pp_handle); ++ ++#ifdef CONFIG_DRM_AMD_POWERPLAY ++ if (amdgpu_powerplay) { ++ adev->pm.dpm_enabled = true; ++ amdgpu_pm_sysfs_init(adev); ++ } ++#endif ++ ++ return ret; ++} ++ ++static int amdgpu_pp_sw_fini(void *handle) ++{ ++ int ret = 0; ++ struct amdgpu_device *adev = (struct amdgpu_device *)handle; ++ ++ if (adev->powerplay.ip_funcs->sw_fini) ++ ret = adev->powerplay.ip_funcs->sw_fini( ++ adev->powerplay.pp_handle); ++ if (ret) ++ return ret; ++ ++#ifdef CONFIG_DRM_AMD_POWERPLAY ++ if (amdgpu_powerplay) { ++ amdgpu_pm_sysfs_fini(adev); ++ amd_powerplay_fini(adev->powerplay.pp_handle); ++ } ++#endif ++ ++ return ret; ++} ++ ++static int amdgpu_pp_hw_init(void *handle) ++{ ++ int ret = 0; ++ struct amdgpu_device *adev = (struct amdgpu_device *)handle; ++ ++ if (amdgpu_powerplay && adev->firmware.smu_load) ++ amdgpu_ucode_init_bo(adev); ++ ++ if (adev->powerplay.ip_funcs->hw_init) ++ ret = adev->powerplay.ip_funcs->hw_init( ++ adev->powerplay.pp_handle); ++ ++ return ret; ++} ++ ++static int amdgpu_pp_hw_fini(void *handle) ++{ ++ int ret = 0; ++ struct amdgpu_device *adev = (struct amdgpu_device *)handle; ++ ++ if (adev->powerplay.ip_funcs->hw_fini) ++ ret = adev->powerplay.ip_funcs->hw_fini( ++ adev->powerplay.pp_handle); ++ ++ if (amdgpu_powerplay && adev->firmware.smu_load) ++ amdgpu_ucode_fini_bo(adev); ++ ++ return ret; ++} ++ ++static int amdgpu_pp_suspend(void *handle) ++{ ++ int ret = 0; ++ struct amdgpu_device *adev = (struct amdgpu_device *)handle; ++ ++ if (adev->powerplay.ip_funcs->suspend) ++ ret = adev->powerplay.ip_funcs->suspend( ++ adev->powerplay.pp_handle); ++ return ret; ++} ++ ++static int amdgpu_pp_resume(void *handle) ++{ ++ int ret = 0; ++ struct amdgpu_device *adev = (struct amdgpu_device *)handle; ++ ++ if (adev->powerplay.ip_funcs->resume) ++ ret = adev->powerplay.ip_funcs->resume( ++ adev->powerplay.pp_handle); ++ return ret; ++} ++ ++static int amdgpu_pp_set_clockgating_state(void *handle, ++ enum amd_clockgating_state state) ++{ ++ int ret = 0; ++ struct amdgpu_device *adev = (struct amdgpu_device *)handle; ++ ++ if (adev->powerplay.ip_funcs->set_clockgating_state) ++ ret = adev->powerplay.ip_funcs->set_clockgating_state( ++ adev->powerplay.pp_handle, state); ++ return ret; ++} ++ ++static int amdgpu_pp_set_powergating_state(void *handle, ++ enum amd_powergating_state state) ++{ ++ int ret = 0; ++ struct amdgpu_device *adev = (struct amdgpu_device *)handle; ++ ++ if (adev->powerplay.ip_funcs->set_powergating_state) ++ ret = adev->powerplay.ip_funcs->set_powergating_state( ++ adev->powerplay.pp_handle, state); ++ return ret; ++} ++ ++ ++static bool amdgpu_pp_is_idle(void *handle) ++{ ++ bool ret = true; ++ struct amdgpu_device *adev = (struct amdgpu_device *)handle; ++ ++ if (adev->powerplay.ip_funcs->is_idle) ++ ret = adev->powerplay.ip_funcs->is_idle( ++ adev->powerplay.pp_handle); ++ return ret; ++} ++ ++static int amdgpu_pp_wait_for_idle(void *handle) ++{ ++ int ret = 0; ++ struct amdgpu_device *adev = (struct amdgpu_device *)handle; ++ ++ if (adev->powerplay.ip_funcs->wait_for_idle) ++ ret = adev->powerplay.ip_funcs->wait_for_idle( ++ adev->powerplay.pp_handle); ++ return ret; ++} ++ ++static int amdgpu_pp_soft_reset(void *handle) ++{ ++ int ret = 0; ++ struct amdgpu_device *adev = (struct amdgpu_device *)handle; ++ ++ if (adev->powerplay.ip_funcs->soft_reset) ++ ret = adev->powerplay.ip_funcs->soft_reset( ++ adev->powerplay.pp_handle); ++ return ret; ++} ++ ++static void amdgpu_pp_print_status(void *handle) ++{ ++ struct amdgpu_device *adev = (struct amdgpu_device *)handle; ++ ++ if (adev->powerplay.ip_funcs->print_status) ++ adev->powerplay.ip_funcs->print_status( ++ adev->powerplay.pp_handle); ++} ++ ++const struct amd_ip_funcs amdgpu_pp_ip_funcs = { ++ .early_init = amdgpu_pp_early_init, ++ .late_init = NULL, ++ .sw_init = amdgpu_pp_sw_init, ++ .sw_fini = amdgpu_pp_sw_fini, ++ .hw_init = amdgpu_pp_hw_init, ++ .hw_fini = amdgpu_pp_hw_fini, ++ .suspend = amdgpu_pp_suspend, ++ .resume = amdgpu_pp_resume, ++ .is_idle = amdgpu_pp_is_idle, ++ .wait_for_idle = amdgpu_pp_wait_for_idle, ++ .soft_reset = amdgpu_pp_soft_reset, ++ .print_status = amdgpu_pp_print_status, ++ .set_clockgating_state = amdgpu_pp_set_clockgating_state, ++ .set_powergating_state = amdgpu_pp_set_powergating_state, ++}; +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.h +new file mode 100644 +index 0000000..da5cf47 +--- /dev/null ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.h +@@ -0,0 +1,33 @@ ++/* ++ * 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. ++ * ++ * Authors: AMD ++ * ++ */ ++ ++#ifndef __AMDGPU_POPWERPLAY_H__ ++#define __AMDGPU_POPWERPLAY_H__ ++ ++#include "amd_shared.h" ++ ++extern const struct amd_ip_funcs amdgpu_pp_ip_funcs; ++ ++#endif /* __AMDSOC_DM_H__ */ +diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c +index 61689f0..c7c298b 100644 +--- a/drivers/gpu/drm/amd/amdgpu/cik.c ++++ b/drivers/gpu/drm/amd/amdgpu/cik.c +@@ -65,6 +65,7 @@ + #include "oss/oss_2_0_sh_mask.h" + + #include "amdgpu_amdkfd.h" ++#include "amdgpu_powerplay.h" + + /* + * Indirect registers accessor +@@ -1953,7 +1954,7 @@ static const struct amdgpu_ip_block_version bonaire_ip_blocks[] = + .major = 7, + .minor = 0, + .rev = 0, +- .funcs = &ci_dpm_ip_funcs, ++ .funcs = &amdgpu_pp_ip_funcs, + }, + { + .type = AMD_IP_BLOCK_TYPE_DCE, +@@ -2021,7 +2022,7 @@ static const struct amdgpu_ip_block_version hawaii_ip_blocks[] = + .major = 7, + .minor = 0, + .rev = 0, +- .funcs = &ci_dpm_ip_funcs, ++ .funcs = &amdgpu_pp_ip_funcs, + }, + { + .type = AMD_IP_BLOCK_TYPE_DCE, +@@ -2089,7 +2090,7 @@ static const struct amdgpu_ip_block_version kabini_ip_blocks[] = + .major = 7, + .minor = 0, + .rev = 0, +- .funcs = &kv_dpm_ip_funcs, ++ .funcs = &amdgpu_pp_ip_funcs, + }, + { + .type = AMD_IP_BLOCK_TYPE_DCE, +@@ -2157,7 +2158,7 @@ static const struct amdgpu_ip_block_version mullins_ip_blocks[] = + .major = 7, + .minor = 0, + .rev = 0, +- .funcs = &kv_dpm_ip_funcs, ++ .funcs = &amdgpu_pp_ip_funcs, + }, + { + .type = AMD_IP_BLOCK_TYPE_DCE, +@@ -2225,7 +2226,7 @@ static const struct amdgpu_ip_block_version kaveri_ip_blocks[] = + .major = 7, + .minor = 0, + .rev = 0, +- .funcs = &kv_dpm_ip_funcs, ++ .funcs = &amdgpu_pp_ip_funcs, + }, + { + .type = AMD_IP_BLOCK_TYPE_DCE, +diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c +index 2f1c118..9e8a220 100644 +--- a/drivers/gpu/drm/amd/amdgpu/vi.c ++++ b/drivers/gpu/drm/amd/amdgpu/vi.c +@@ -72,6 +72,7 @@ + #include "uvd_v5_0.h" + #include "uvd_v6_0.h" + #include "vce_v3_0.h" ++#include "amdgpu_powerplay.h" + + /* + * Indirect registers accessor +@@ -1131,7 +1132,7 @@ static const struct amdgpu_ip_block_version topaz_ip_blocks[] = + .major = 7, + .minor = 1, + .rev = 0, +- .funcs = &iceland_dpm_ip_funcs, ++ .funcs = &amdgpu_pp_ip_funcs, + }, + { + .type = AMD_IP_BLOCK_TYPE_GFX, +@@ -1178,7 +1179,7 @@ static const struct amdgpu_ip_block_version tonga_ip_blocks[] = + .major = 7, + .minor = 1, + .rev = 0, +- .funcs = &tonga_dpm_ip_funcs, ++ .funcs = &amdgpu_pp_ip_funcs, + }, + { + .type = AMD_IP_BLOCK_TYPE_DCE, +@@ -1314,7 +1315,7 @@ static const struct amdgpu_ip_block_version cz_ip_blocks[] = + .major = 8, + .minor = 0, + .rev = 0, +- .funcs = &cz_dpm_ip_funcs, ++ .funcs = &amdgpu_pp_ip_funcs + }, + { + .type = AMD_IP_BLOCK_TYPE_DCE, +diff --git a/drivers/gpu/drm/amd/powerplay/Kconfig b/drivers/gpu/drm/amd/powerplay/Kconfig +new file mode 100644 +index 0000000..af38033 +--- /dev/null ++++ b/drivers/gpu/drm/amd/powerplay/Kconfig +@@ -0,0 +1,6 @@ ++config DRM_AMD_POWERPLAY ++ bool "Enable AMD powerplay component" ++ depends on DRM_AMDGPU ++ default n ++ help ++ select this option will enable AMD powerplay component. +diff --git a/drivers/gpu/drm/amd/powerplay/Makefile b/drivers/gpu/drm/amd/powerplay/Makefile +new file mode 100644 +index 0000000..e7428a1 +--- /dev/null ++++ b/drivers/gpu/drm/amd/powerplay/Makefile +@@ -0,0 +1,15 @@ ++ ++subdir-ccflags-y += -Iinclude/drm \ ++ -Idrivers/gpu/drm/amd/powerplay/inc/ \ ++ -Idrivers/gpu/drm/amd/include/asic_reg \ ++ -Idrivers/gpu/drm/amd/include ++ ++AMD_PP_PATH = ../powerplay ++ ++include $(AMD_POWERPLAY) ++ ++POWER_MGR = amd_powerplay.o ++ ++AMD_PP_POWER = $(addprefix $(AMD_PP_PATH)/,$(POWER_MGR)) ++ ++AMD_POWERPLAY_FILES += $(AMD_PP_POWER) +diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +new file mode 100644 +index 0000000..39ffc5d +--- /dev/null ++++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +@@ -0,0 +1,194 @@ ++/* ++ * 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 <linux/types.h> ++#include <linux/kernel.h> ++#include <linux/gfp.h> ++#include "amd_shared.h" ++#include "amd_powerplay.h" ++ ++static int pp_early_init(void *handle) ++{ ++ return 0; ++} ++ ++static int pp_sw_init(void *handle) ++{ ++ return 0; ++} ++ ++static int pp_sw_fini(void *handle) ++{ ++ return 0; ++} ++ ++static int pp_hw_init(void *handle) ++{ ++ return 0; ++} ++ ++static int pp_hw_fini(void *handle) ++{ ++ return 0; ++} ++ ++static bool pp_is_idle(void *handle) ++{ ++ return 0; ++} ++ ++static int pp_wait_for_idle(void *handle) ++{ ++ return 0; ++} ++ ++static int pp_sw_reset(void *handle) ++{ ++ return 0; ++} ++ ++static void pp_print_status(void *handle) ++{ ++ ++} ++ ++static int pp_set_clockgating_state(void *handle, ++ enum amd_clockgating_state state) ++{ ++ return 0; ++} ++ ++static int pp_set_powergating_state(void *handle, ++ enum amd_powergating_state state) ++{ ++ return 0; ++} ++ ++static int pp_suspend(void *handle) ++{ ++ return 0; ++} ++ ++static int pp_resume(void *handle) ++{ ++ return 0; ++} ++ ++const struct amd_ip_funcs pp_ip_funcs = { ++ .early_init = pp_early_init, ++ .late_init = NULL, ++ .sw_init = pp_sw_init, ++ .sw_fini = pp_sw_fini, ++ .hw_init = pp_hw_init, ++ .hw_fini = pp_hw_fini, ++ .suspend = pp_suspend, ++ .resume = pp_resume, ++ .is_idle = pp_is_idle, ++ .wait_for_idle = pp_wait_for_idle, ++ .soft_reset = pp_sw_reset, ++ .print_status = pp_print_status, ++ .set_clockgating_state = pp_set_clockgating_state, ++ .set_powergating_state = pp_set_powergating_state, ++}; ++ ++static int pp_dpm_load_fw(void *handle) ++{ ++ return 0; ++} ++ ++static int pp_dpm_fw_loading_complete(void *handle) ++{ ++ return 0; ++} ++ ++static int pp_dpm_force_performance_level(void *handle, ++ enum amd_dpm_forced_level level) ++{ ++ return 0; ++} ++static enum amd_dpm_forced_level pp_dpm_get_performance_level( ++ void *handle) ++{ ++ return 0; ++} ++static int pp_dpm_get_sclk(void *handle, bool low) ++{ ++ return 0; ++} ++static int pp_dpm_get_mclk(void *handle, bool low) ++{ ++ return 0; ++} ++static int pp_dpm_powergate_vce(void *handle, bool gate) ++{ ++ return 0; ++} ++static int pp_dpm_powergate_uvd(void *handle, bool gate) ++{ ++ return 0; ++} ++ ++int pp_dpm_dispatch_tasks(void *handle, enum amd_pp_event event_id, void *input, void *output) ++{ ++ return 0; ++} ++enum amd_pm_state_type pp_dpm_get_current_power_state(void *handle) ++{ ++ return 0; ++} ++static void ++pp_debugfs_print_current_performance_level(void *handle, ++ struct seq_file *m) ++{ ++ return; ++} ++const struct amd_powerplay_funcs pp_dpm_funcs = { ++ .get_temperature = NULL, ++ .load_firmware = pp_dpm_load_fw, ++ .wait_for_fw_loading_complete = pp_dpm_fw_loading_complete, ++ .force_performance_level = pp_dpm_force_performance_level, ++ .get_performance_level = pp_dpm_get_performance_level, ++ .get_current_power_state = pp_dpm_get_current_power_state, ++ .get_sclk = pp_dpm_get_sclk, ++ .get_mclk = pp_dpm_get_mclk, ++ .powergate_vce = pp_dpm_powergate_vce, ++ .powergate_uvd = pp_dpm_powergate_uvd, ++ .dispatch_tasks = pp_dpm_dispatch_tasks, ++ .print_current_performance_level = pp_debugfs_print_current_performance_level, ++}; ++ ++int amd_powerplay_init(struct amd_pp_init *pp_init, ++ struct amd_powerplay *amd_pp) ++{ ++ if (pp_init == NULL || amd_pp == NULL) ++ return -EINVAL; ++ ++ amd_pp->ip_funcs = &pp_ip_funcs; ++ amd_pp->pp_funcs = &pp_dpm_funcs; ++ ++ return 0; ++} ++ ++int amd_powerplay_fini(void *handle) ++{ ++ return 0; ++} +diff --git a/drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h b/drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h +new file mode 100644 +index 0000000..09d9d5a +--- /dev/null ++++ b/drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h +@@ -0,0 +1,162 @@ ++/* ++ * 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 _AMD_POWERPLAY_H_ ++#define _AMD_POWERPLAY_H_ ++ ++#include <linux/seq_file.h> ++#include <linux/types.h> ++#include "amd_shared.h" ++#include "cgs_common.h" ++ ++ ++enum amd_pp_event { ++ AMD_PP_EVENT_INITIALIZE = 0, ++ AMD_PP_EVENT_UNINITIALIZE, ++ AMD_PP_EVENT_POWER_SOURCE_CHANGE, ++ AMD_PP_EVENT_SUSPEND, ++ AMD_PP_EVENT_RESUME, ++ AMD_PP_EVENT_ENTER_REST_STATE, ++ AMD_PP_EVENT_EXIT_REST_STATE, ++ AMD_PP_EVENT_DISPLAY_CONFIG_CHANGE, ++ AMD_PP_EVENT_THERMAL_NOTIFICATION, ++ AMD_PP_EVENT_VBIOS_NOTIFICATION, ++ AMD_PP_EVENT_ENTER_THERMAL_STATE, ++ AMD_PP_EVENT_EXIT_THERMAL_STATE, ++ AMD_PP_EVENT_ENTER_FORCED_STATE, ++ AMD_PP_EVENT_EXIT_FORCED_STATE, ++ AMD_PP_EVENT_ENTER_EXCLUSIVE_MODE, ++ AMD_PP_EVENT_EXIT_EXCLUSIVE_MODE, ++ AMD_PP_EVENT_ENTER_SCREEN_SAVER, ++ AMD_PP_EVENT_EXIT_SCREEN_SAVER, ++ AMD_PP_EVENT_VPU_RECOVERY_BEGIN, ++ AMD_PP_EVENT_VPU_RECOVERY_END, ++ AMD_PP_EVENT_ENABLE_POWER_PLAY, ++ AMD_PP_EVENT_DISABLE_POWER_PLAY, ++ AMD_PP_EVENT_CHANGE_POWER_SOURCE_UI_LABEL, ++ AMD_PP_EVENT_ENABLE_USER2D_PERFORMANCE, ++ AMD_PP_EVENT_DISABLE_USER2D_PERFORMANCE, ++ AMD_PP_EVENT_ENABLE_USER3D_PERFORMANCE, ++ AMD_PP_EVENT_DISABLE_USER3D_PERFORMANCE, ++ AMD_PP_EVENT_ENABLE_OVER_DRIVE_TEST, ++ AMD_PP_EVENT_DISABLE_OVER_DRIVE_TEST, ++ AMD_PP_EVENT_ENABLE_REDUCED_REFRESH_RATE, ++ AMD_PP_EVENT_DISABLE_REDUCED_REFRESH_RATE, ++ AMD_PP_EVENT_ENABLE_GFX_CLOCK_GATING, ++ AMD_PP_EVENT_DISABLE_GFX_CLOCK_GATING, ++ AMD_PP_EVENT_ENABLE_CGPG, ++ AMD_PP_EVENT_DISABLE_CGPG, ++ AMD_PP_EVENT_ENTER_TEXT_MODE, ++ AMD_PP_EVENT_EXIT_TEXT_MODE, ++ AMD_PP_EVENT_VIDEO_START, ++ AMD_PP_EVENT_VIDEO_STOP, ++ AMD_PP_EVENT_ENABLE_USER_STATE, ++ AMD_PP_EVENT_DISABLE_USER_STATE, ++ AMD_PP_EVENT_READJUST_POWER_STATE, ++ AMD_PP_EVENT_START_INACTIVITY, ++ AMD_PP_EVENT_STOP_INACTIVITY, ++ AMD_PP_EVENT_LINKED_ADAPTERS_READY, ++ AMD_PP_EVENT_ADAPTER_SAFE_TO_DISABLE, ++ AMD_PP_EVENT_COMPLETE_INIT, ++ AMD_PP_EVENT_CRITICAL_THERMAL_FAULT, ++ AMD_PP_EVENT_BACKLIGHT_CHANGED, ++ AMD_PP_EVENT_ENABLE_VARI_BRIGHT, ++ AMD_PP_EVENT_DISABLE_VARI_BRIGHT, ++ AMD_PP_EVENT_ENABLE_VARI_BRIGHT_ON_POWER_XPRESS, ++ AMD_PP_EVENT_DISABLE_VARI_BRIGHT_ON_POWER_XPRESS, ++ AMD_PP_EVENT_SET_VARI_BRIGHT_LEVEL, ++ AMD_PP_EVENT_VARI_BRIGHT_MONITOR_MEASUREMENT, ++ AMD_PP_EVENT_SCREEN_ON, ++ AMD_PP_EVENT_SCREEN_OFF, ++ AMD_PP_EVENT_PRE_DISPLAY_CONFIG_CHANGE, ++ AMD_PP_EVENT_ENTER_ULP_STATE, ++ AMD_PP_EVENT_EXIT_ULP_STATE, ++ AMD_PP_EVENT_REGISTER_IP_STATE, ++ AMD_PP_EVENT_UNREGISTER_IP_STATE, ++ AMD_PP_EVENT_ENTER_MGPU_MODE, ++ AMD_PP_EVENT_EXIT_MGPU_MODE, ++ AMD_PP_EVENT_ENTER_MULTI_GPU_MODE, ++ AMD_PP_EVENT_PRE_SUSPEND, ++ AMD_PP_EVENT_PRE_RESUME, ++ AMD_PP_EVENT_ENTER_BACOS, ++ AMD_PP_EVENT_EXIT_BACOS, ++ AMD_PP_EVENT_RESUME_BACO, ++ AMD_PP_EVENT_RESET_BACO, ++ AMD_PP_EVENT_PRE_DISPLAY_PHY_ACCESS, ++ AMD_PP_EVENT_POST_DISPLAY_PHY_CCESS, ++ AMD_PP_EVENT_START_COMPUTE_APPLICATION, ++ AMD_PP_EVENT_STOP_COMPUTE_APPLICATION, ++ AMD_PP_EVENT_REDUCE_POWER_LIMIT, ++ AMD_PP_EVENT_ENTER_FRAME_LOCK, ++ AMD_PP_EVENT_EXIT_FRAME_LOOCK, ++ AMD_PP_EVENT_LONG_IDLE_REQUEST_BACO, ++ AMD_PP_EVENT_LONG_IDLE_ENTER_BACO, ++ AMD_PP_EVENT_LONG_IDLE_EXIT_BACO, ++ AMD_PP_EVENT_HIBERNATE, ++ AMD_PP_EVENT_CONNECTED_STANDBY, ++ AMD_PP_EVENT_ENTER_SELF_REFRESH, ++ AMD_PP_EVENT_EXIT_SELF_REFRESH, ++ AMD_PP_EVENT_START_AVFS_BTC, ++ AMD_PP_EVENT_MAX ++}; ++ ++enum amd_dpm_forced_level { ++ AMD_DPM_FORCED_LEVEL_AUTO = 0, ++ AMD_DPM_FORCED_LEVEL_LOW = 1, ++ AMD_DPM_FORCED_LEVEL_HIGH = 2, ++}; ++ ++struct amd_pp_init { ++ struct cgs_device *device; ++ uint32_t chip_family; ++ uint32_t chip_id; ++ uint32_t rev_id; ++}; ++ ++struct amd_powerplay_funcs { ++ int (*get_temperature)(void *handle); ++ int (*load_firmware)(void *handle); ++ int (*wait_for_fw_loading_complete)(void *handle); ++ int (*force_performance_level)(void *handle, enum amd_dpm_forced_level level); ++ enum amd_dpm_forced_level (*get_performance_level)(void *handle); ++ enum amd_pm_state_type (*get_current_power_state)(void *handle); ++ int (*get_sclk)(void *handle, bool low); ++ int (*get_mclk)(void *handle, bool low); ++ int (*powergate_vce)(void *handle, bool gate); ++ int (*powergate_uvd)(void *handle, bool gate); ++ int (*dispatch_tasks)(void *handle, enum amd_pp_event event_id, ++ void *input, void *output); ++ void (*print_current_performance_level)(void *handle, ++ struct seq_file *m); ++}; ++ ++struct amd_powerplay { ++ void *pp_handle; ++ const struct amd_ip_funcs *ip_funcs; ++ const struct amd_powerplay_funcs *pp_funcs; ++}; ++ ++int amd_powerplay_init(struct amd_pp_init *pp_init, ++ struct amd_powerplay *amd_pp); ++int amd_powerplay_fini(void *handle); ++ ++#endif /* _AMD_POWERPLAY_H_ */ +-- +2.7.4 + |