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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
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* drm/amd/powerplay: implement power_dpm_force_performance_level for SMU11Chengming Gui2019-03-191-3/+20
| | | | | | | | | | add get_performance_level and force_performance_level to implement the sys interface for SMU11. Signed-off-by: Chengming Gui <[email protected]> Reviewed-by: Huang Rui <[email protected]> Acked-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amd/powerplay: implement pp_power_profile_mode sys inerface for SMU11Chengming Gui2019-03-191-3/+6
| | | | | | | | | | | | | Add set/get power profile mode functions. Added dependency interfaces: 1) vega20_set_activity_monitor_coeff 2) vega20_get_activity_monitor_coeff 3) conv_power_profile_to_pplib_workload Signed-off-by: Chengming Gui <[email protected]> Reviewed-by: Huang Rui <[email protected]> Acked-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amd/powerplay: implement power_dpm_state sys interface for SMU11Chengming Gui2019-03-191-1/+3
| | | | | | | | | | | Add functions to get/set dpm state for SMU11. Signed-off-by: Chengming Gui <[email protected]> Acked-by: Alex Deucher <[email protected]> Acked-by: Kevin Wang <[email protected]> Reviewd-by: Evan Quan <[email protected]> Acked-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amd/powerplay: don't check hwmgr while using the sw smuHuang Rui2019-03-191-1/+1
| | | | | | | | | | While using the sw smu path, driver won't init hwmgr structure. Signed-off-by: Huang Rui <[email protected]> Reviewed-by: Kevin Wang <[email protected]> Reviewed-by: Likun Gao <[email protected]> Acked-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amd/powerplay: get overdrive clock and voltage informationLikun Gao2019-03-191-1/+7
| | | | | | | | | | | Add sys interface to get overdrive clock and voltage information for smu11. Signed-off-by: Likun Gao <[email protected]> Reviewed-by: Kevin Wang <[email protected]> Reviewed-by: Evan Quan <[email protected]> Acked-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amd/powerplay: print overdrive percentage information for smu11Likun Gao2019-03-191-2/+6
| | | | | | | | | | Add function to get sclk or mclk overdrive percentage information for smu11. Signed-off-by: Likun Gao <[email protected]> Reviewed-by: Kevin Wang <[email protected]> Reviewed-by: Evan Quan <[email protected]> Acked-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amd/powerplay: implement sysfs of pp_force_state for sw-smuKevin Wang2019-03-191-0/+2
| | | | | | | | | | the SMU v11 doesn’t support pp_force_state so far, so we didn’t implement it. Signed-off-by: Kevin Wang <[email protected]> Reviewed-by: Huang Rui <[email protected]> Acked-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amd/powerplay: implement sysfs of pp_cur_state functionKevin Wang2019-03-191-9/+15
| | | | | | | | | | | add function of smu_get_currente_state for sw-smu. v2: fix code typo error if (ret); Signed-off-by: Kevin Wang <[email protected]> Reviewed-by: Huang Rui <[email protected]> Acked-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amd/powerplay: implement sysfs of get num states functionKevin Wang2019-03-191-2/+6
| | | | | | | | | | add function smu_get_power_num_state function for sw-smu. it's only for sysfs interface, the power state feature is not ready for sw-smu. Signed-off-by: Kevin Wang <[email protected]> Reviewed-by: Huang Rui <[email protected]> Acked-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amd/powerplay: force clock levels for smu11Likun Gao2019-03-191-2/+6
| | | | | | | | | | Add function to set sclk or mclk level for smu11. Signed-off-by: Likun Gao <[email protected]> Reviewed-by: Evan Quan <[email protected]> Reviewed-by: Huang Rui <[email protected]> Acked-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amd/powerplay: implement sysfs of pp_table for smu11 (v2)Kevin Wang2019-03-191-2/+12
| | | | | | | | | | | | | add pp_table sysfs interface for new sw-smu. get: return pptable raw data set: write pptable raw data to pptable, then reset smu (hw_fini -> hw_init) v2: fix mutex lock issue Signed-off-by: Kevin Wang <[email protected]> Reviewed-by: Huang Rui <[email protected]> Acked-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amd/powerplay: implement sysfs of amdgpu_get_busy_percent for smu11Kevin Wang2019-03-191-39/+23
| | | | | | | | | | | add interface amdgpu_get_busy_percent for smu11 v2: convert data pointer type to uint32_t *. Signed-off-by: Kevin Wang <[email protected]> Reviewed-by: Huang Rui <[email protected]> Acked-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amd/powerplay: implement is_support_sw_smu function for new smuKevin Wang2019-03-191-2/+2
| | | | | | | | | add this helper to check new sw-smu support. Signed-off-by: Kevin Wang <[email protected]> Reviewed-by: Huang Rui <[email protected]> Acked-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amd/powerplay: print clock levels for smu11 (v2)Likun Gao2019-03-191-2/+7
| | | | | | | | | | | | Add function to print current levels for smu11. v2: expose get_current_clk_freq for smu v11. (Kevin) Signed-off-by: Likun Gao <[email protected]> Signed-off-by: Kevin Wang <[email protected]> Reviewed-by: Huang Rui <[email protected]> Acked-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amdgpu: Add missing power attribute to APU checkAlex Deucher2019-01-251-1/+2
| | | | | | | | Add missing power_average to visible check for power attributes for APUs. Was missed before. Reviewed-by: Evan Quan <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amdgpu: fix wrong APU judgementEvan Quan2019-01-251-2/+2
| | | | | | | | Fix the APU judgement to make it really work as expected. Signed-off-by: Evan Quan <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amd/powerplay: support retrieving and adjusting dcefclock power levels V2Evan Quan2019-01-251-4/+55
| | | | | | | | | | | User can use "pp_dpm_dcefclk" to retrieve and adjust dcefclock power levels. V2: expose this interface for Vega10 and later ASICs only Signed-off-by: Evan Quan <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amd/powerplay: support retrieving and adjusting fclock power levels V2Evan Quan2019-01-251-2/+51
| | | | | | | | | | | User can use "pp_dpm_fclk" to retrieve and adjust fclock power levels. V2: expose this interface for Vega20 and later ASICs only Signed-off-by: Evan Quan <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amd/powerplay: support retrieving and adjusting SOC clock power levels V2Evan Quan2019-01-251-2/+52
| | | | | | | | | | | User can use "pp_dpm_socclk" to retrieve and adjust SOC clock power levels. V2: expose this interface for Vega10 and later ASICs only Signed-off-by: Evan Quan <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amd/powerplay: support enabled ppfeatures retrieving and setting V3Evan Quan2019-01-251-0/+71
| | | | | | | | | | | | User can use "ppfeatures" sysfs interface to retrieve and set enabled powerplay features. V2: expose this feature for Vega10 and later dGPUs V3: squash in removal of unused variable (Alex) Signed-off-by: Evan Quan <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amdgpu: expose sclk and mclk via hwmonAlex Deucher2019-01-141-0/+93
| | | | | | | | | | | | | | Expose sclk (gfx clock) and mclk (memory clock) via hwmon compatible interface. hwmon does not actually formally specify a frequency type attribute, but these are compatible with the format of the other attributes exposed via hwmon. Units are hertz. freq1_input - GPU gfx/compute clock in hertz freq2_input - GPU memory clock in hertz (dGPU only) Reviewed-by: Evan Quan <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amdgpu: Add sysfs file for PCIe usage v5Kent Russell2019-01-141-0/+36
| | | | | | | | | | | | | | | | | Add a sysfs file that reports the number of bytes transmitted and received in the last second. This can be used to approximate the PCIe bandwidth usage over the last second. v2: Clarify use of mps as estimation of bandwidth v3: Don't make the file on APUs v4: Early exit for APUs in the read function, change output to display "packets-received packets-sent mps" v5: fix missing header for si (Alex) Signed-off-by: Kent Russell <[email protected]> Reviewed-by: Felix Kuehling <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amd/powerplay: create pp_od_clk_voltage device file under OD supportEvan Quan2019-01-141-8/+14
| | | | | | | | Since pp_od_clk_voltage device file is for OD related sysfs operations. Signed-off-by: Evan Quan <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amdgpu: don't expose fan attributes on APUsAlex Deucher2018-11-301-0/+13
| | | | | | | They don't have a fan controller. Reviewed-by: Evan Quan <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amd:Enable/Disable NBPSTATE on On/OFF of UVDGuttula, Suresh2018-11-261-0/+13
| | | | | | | | | | | | | We observe black lines (underflow) on display when playing a 4K video with UVD. On Disabling Low memory P state this issue is not seen. In this patch ,disabling low memory P state only when video size >= 4k. Multiple runs of power measurement shows no impact Signed-off-by: suresh guttula <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amdgpu: Retire amdgpu_ring.ready flag v4Andrey Grodzovsky2018-11-051-1/+1
| | | | | | | | | | | | | | | Start using drm_gpu_scheduler.ready isntead. v3: Add helper function to run ring test and set sched.ready flag status accordingly, clean explicit sched.ready sets from the IP specific files. v4: Add kerneldoc and rebase. Signed-off-by: Andrey Grodzovsky <[email protected]> Reviewed-by: Christian König <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amd/powerplay: error out when force clock level under auto dpm mode V2Evan Quan2018-10-221-3/+12
| | | | | | | | | | | | Forcing clock level is supported under manual dpm mode only. Error out when trying to set under manual mode. Instead of doing nothing and reporting success. V2: update for mclk/pcie clock level settings also Signed-off-by: Evan Quan <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amdgpu: Always enable fan sensors for readRex Zhu2018-10-091-10/+0
| | | | | | | | don't need to set fan1_enable to read fan sensors. Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Rex Zhu <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amdgpu: Disable sysfs pwm1 if not in manual fan controlRex Zhu2018-10-091-0/+7
| | | | | | | | | | Following lm-sensors 3.0.0, Only enable pwm1 sysfs when fan control mode(pwm1_enable) in manual Reviewed-by: Evan Quan <[email protected]> Signed-off-by: Rex Zhu <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amdgpu: Add fan RPM setting via sysfsRex Zhu2018-10-091-3/+187
| | | | | | | | | | | | | | Add fan1_target for get/set fan speed in RPM unit Add fan1_min/fan1_max for get min, max fan speed in RPM unit Add fan1_enable to enable/disable the fan1 sensor v3: drop the hardcode value of min/max rpm in comments pointed out by Alex. v2: query the min/max rpm gpu support instand of hardcode value. Reviewed-by: Evan Quan <[email protected]> Signed-off-by: Rex Zhu <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amdgpu: print smc feature mask in debugfs amdgpu_pm_infoAlex Deucher2018-09-271-0/+5
| | | | | | | Print the enabled smc feature mask in amdgpu_pm_info for debugging. Reviewed-by: Rex Zhu <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amd/powerplay: update OD to take voltage value instead of offsetEvan Quan2018-09-191-6/+6
| | | | | | | | | | With the latest SMC fw, we are able to get the voltage value for specific frequency point. So, we update the OD relates to take absolute voltage instead of offset. Signed-off-by: Evan Quan <[email protected]> Acked-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amd/powerplay: added vega20 overdrive support V3Evan Quan2018-09-111-0/+45
| | | | | | | | | | | | | | | | | | Added vega20 overdrive support based on existing OD sysfs APIs. However, the OD logics are simplified on vega20. So, the behavior will be a little different and works only on some limited levels. V2: fix typo fix commit description revise error logs add support for clock OD V3: separate clock from voltage OD settings Signed-off-by: Evan Quan <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amdgpu: Remove dead code in amdgpu_pm.cRex Zhu2018-08-271-35/+0
| | | | | | | | | | As we have unify powergate_uvd/vce/mmhub to set_powergating_by_smu, and set_powergating_by_smu was supported by both dpm and powerplay. so remove the else case. Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Rex Zhu <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amdgpu: Remove duplicated power source updateRex Zhu2018-08-271-8/+0
| | | | | | | | | | when ac/dc switch, driver will be notified by acpi event. then the power source will be updated. so don't need to get power source when set power state. Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Rex Zhu <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amdgpu: move display definitions into amdgpu_display headerHuang Rui2018-08-271-0/+1
| | | | | | | | Demangle amdgpu.h. Signed-off-by: Huang Rui <[email protected]> Acked-by: Christian König <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amdgpu/pm: Fix potential Spectre v1Gustavo A. R. Silva2018-07-311-1/+2
| | | | | | | | | | | | | | | | | | | | | | idx can be indirectly controlled by user-space, hence leading to a potential exploitation of the Spectre variant 1 vulnerability. This issue was detected with the help of Smatch: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c:408 amdgpu_set_pp_force_state() warn: potential spectre issue 'data.states' Fix this by sanitizing idx before using it to index data.states Notice that given that speculation windows are large, the policy is to kill the speculation on the first load and not worry if it can be completed with a dependent load/store [1]. [1] https://marc.info/?l=linux-kernel&m=152449131114778&w=2 Cc: [email protected] Signed-off-by: Gustavo A. R. Silva <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amdgpu: fix a reversed conditionRex Zhu2018-07-311-1/+1
| | | | | | | | | | | This test was reversed so it would end up leading to vddnb value can't be read via hwmon on APU. Reviewed-by: Evan Quan <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Rex Zhu <[email protected]> Signed-off-by: Alex Deucher <[email protected]> Cc: [email protected]
* drm/amdgpu/pm: Remove VLA usageKees Cook2018-07-181-58/+42
| | | | | | | | | | | In the quest to remove all stack VLA usage from the kernel[1], this uses the maximum sane buffer size and removes copy/paste code. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com Reviewed-by: Rex Zhu <[email protected]> Signed-off-by: Kees Cook <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amdgpu/pm: fix display count in non-DC pathAlex Deucher2018-07-051-1/+1
| | | | | | | | new_active_crtcs is a bitmask, new_active_crtc_count is the actual count. Reviewed-by: Rex Zhu <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amd/pp: Unify powergate_uvd/vce/mmhub to set_powergating_by_smuRex Zhu2018-07-051-4/+4
| | | | | | | | | | | | Some HW ip blocks need call SMU to enter/leave power gate state. So export common set_powergating_by_smu interface. 1. keep consistent with set_clockgating_by_smu 2. scales easily to powergate other ip(gfx) if necessary Reviewed-by: Evan Quan <[email protected]> Signed-off-by: Rex Zhu <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amd/amdgpu: Add a GPU_LOAD entry to sysfs (v3)Tom St Denis2018-07-051-0/+40
| | | | | | | | | | | | | This adds what should be a stable interface to read GPU load from userspace. (v2): Fix comments and name of file per recommendations. (v3): Add chapter to amdgpu.rst as well. Signed-off-by: Tom St Denis <[email protected]> Acked-by: Slava Abramov <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amdgpu: Use real power source in powerplay instand of hardcodeRex Zhu2018-06-151-10/+11
| | | | | | | | | | 1. move ac_power to struct pm from dpm, so can be shared with powerplay 2. remove power_source in powerplay, use adev->pm.ac_power instand. 3. update ac_power before dispatch power task. Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Rex Zhu <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/doc: Add amdgpu hwmon/power documentation (v2)Alex Deucher2018-06-151-8/+37
| | | | | | | | | | Document the hwmon and power control interfaces exposed by the amdgpu driver. v2: use section rather than chapter for now Reviewed-by: Michel Dänzer <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amdgpu: Fix display corruption on CI with dpm enabledRex Zhu2018-05-151-16/+16
| | | | | | | | | | | with dpm enabled, need to get active crtcs in dc/no-dc mode. caused by 'commit ebb649667a31 ("drm/amdgpu: Set pm_display_cfg in non-dc mode")' Reviewed-by: Huang Rui <[email protected]> Signed-off-by: Rex Zhu <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amd/pp: Skip fan attributes if fan not presentRex Zhu2018-05-151-13/+8
| | | | | | | | | With powerplay enabled, also need to skip fan attributes if no fan present. Reviewed-by: Huang Rui <[email protected]> Signed-off-by: Rex Zhu <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amdgpu: change pp_dpm clk/mclk/pcie input format.welu2018-05-151-44/+59
| | | | | | | | | | | | | | | 1. support more than 8 values when setting get_pp_dpm_mclk/ sclk/pcie, the former design just parse command format like "echo xxxx >　pp_dpm_sclk" and current can parse "echo xx xxx xxxx > pp_dpm_sclk" whose operation is more user-friendly and convinent and can offer more values; 2. be compatible with former design like "xx". 3. add DOC: pp_dpm_sclk pp_dpm_mclk pp_dpm_pcie Bug:KFD-385 Signed-off-by: welu <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amd/pp: Print out voltage/clock range in sysfsRex Zhu2018-05-151-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | when user cat pp_od_clk_voltage add display info about the sclk/mclk/vddc range that user can overdrive output as: OD_SCLK: 0: 300MHz 900mV 1: 400MHz 912mV 2: 500MHz 925mV 3: 600MHz 937mV 4: 700MHz 950mV 5: 800MHz 975mV 6: 900MHz 987mV 7: 1000MHz 1000mV OD_MCLK: 0: 300MHz 900mV 1: 1500MHz 912mV OD_RANGE: SCLK: 300MHz 1200MHz MCLK: 300MHz 1500MHz VDDC: 700mV 1200mV also 1. remove unnecessary whitespace before a quoted newline 2. change unit of frequency Mhz to MHz Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Rex Zhu <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amdgpu/pm: document pp_od_clk_voltageAlex Deucher2018-05-151-0/+23
| | | | | | | | sysfs interface for fine grained clock and voltage control. Acked-by: Felix Kuehling <[email protected]> Reviewed-by: Huang Rui <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
* drm/amdgpu/pm: document pp_power_profile_modeAlex Deucher2018-05-151-0/+20
| | | | | | | | sysfs file for adjusting power level heuristics. Acked-by: Felix Kuehling <[email protected]> Reviewed-by: Huang Rui <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
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