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path: root/drivers/gpu/drm/amd/pm
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2023-10-27drm/amd: check num of link levels when update pcie paramLin.Cao1-0/+3
In SR-IOV environment, the value of pcie_table->num_of_link_levels will be 0, and num_of_levels - 1 will cause array index out of bounds Signed-off-by: Lin.Cao <lincao12@amd.com> Acked-by: Jingwen Chen <Jingwen.Chen2@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-27drm/amd/pm: call smu_cmn_get_smc_version in is_mode1_reset_supported.Yifan Zhang3-3/+23
is_mode1_reset_supported may be called before smu init, when smu_context is unitialized in driver load/unload test. Call smu_cmn_get_smc_version explicitly in is_mode1_reset_supported. v2: apply to aldebaran in case is_mode1_reset_supported will be uncommented (Candice Li) Fixes: 710d9caec70c ("drm/amd/pm: drop most smu_cmn_get_smc_version in smu") Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com> Reviewed-by: Candice Li <candice.li@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-27drm/amd: Disable PP_PCIE_DPM_MASK when dynamic speed switching not supportedMario Limonciello3-5/+3
Rather than individual ASICs checking for the quirk, set the quirk at the driver level. Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-27drm/amd/pm: Fix the return value in default caseMa Jun1-3/+1
Fix the return value in default case and drop redundant 'break'. Signed-off-by: Ma Jun <Jun.Ma2@amd.com> Reviewed-by: Kenneth Feng <kenneth.feng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-27drm/amd/pm: drop unneeded dpm features disablement for SMU 14.0.0Jiadong Zhu1-1/+2
PMFW will handle the features disablement properly for gpu reset case, driver involvement may cause some unexpected issues. Signed-off-by: Jiadong Zhu <Jiadong.Zhu@amd.com> Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-27drm/amd/pm: record mca debug mode in RASTao Zhou1-0/+1
Call amdgpu_ras_set_mca_debug_mode when we set mca debug mode in smu v13_0_6. Signed-off-by: Tao Zhou <tao.zhou1@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-20drm/amdgpu: Enable mca debug mode mode when ras enabledStanley.Yang1-1/+1
Enable smu_v13_0_6 mca debug mode if ras is enabled. Changed from V1: enable mca debug mode if ras enabled. Signed-off-by: Stanley.Yang <Stanley.Yang@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-20drm/amd/pm: Handle non-terminated overdrive commands.Bas Nieuwenhuizen1-2/+6
The incoming strings might not be terminated by a newline or a 0. (found while testing a program that just wrote the string itself, causing a crash) Cc: stable@vger.kernel.org Fixes: e3933f26b657 ("drm/amd/pp: Add edit/commit/show OD clock/voltage support in sysfs") Signed-off-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-20drm/amd/pm: Support for getting power1_cap_min valueMa Jun12-88/+148
Support for getting power1_cap_min value on smu13 and smu11. For other Asics, we still use 0 as the default value. Signed-off-by: Ma Jun <Jun.Ma2@amd.com> Reviewed-by: Kenneth Feng <kenneth.feng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-20drm/amd/pm: Fix a memory leak on an error pathKunwu.Chan1-1/+3
Add missing free on an error path. Fixes: 511a95552ec8 ("drm/amd/pm: Add SMU 13.0.6 support") Reviewed-by: Yang Wang <kevinyang.wang@amd.com> Signed-off-by: Kunwu.Chan <chentao@kylinos.cn> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-20drm/amdgpu : Add hive ras recovery checkAsad Kamal1-1/+9
If one of the devices in the hive detects a fatal error, need to send ras recovery reset message to PMFW of all devices in the hive. For that add a flag in hive to indicate that it's undergoing ras recovery Signed-off-by: Asad Kamal <asad.kamal@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-20drm/amdgpu/pm: update SMU 13.0.0 PMFW version checkAlex Deucher1-1/+1
Update the PMFW version check the the ROCm optimizations. Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-18Merge tag 'amd-drm-next-6.7-2023-10-13' of ↵Dave Airlie40-972/+7150
https://gitlab.freedesktop.org/agd5f/linux into drm-next amd-drm-next-6.7-2023-10-13: amdgpu: - DC replay fixes - Misc code cleanups and spelling fixes - Documentation updates - RAS EEPROM Updates - FRU EEPROM Updates - IP discovery updates - SR-IOV fixes - RAS updates - DC PQ fixes - SMU 13.0.6 updates - GC 11.5 Support - NBIO 7.11 Support - GMC 11 Updates - Reset fixes - SMU 11.5 Updates - SMU 13.0 OD support - Use flexible arrays for bo list handling - W=1 Fixes - SubVP fixes - DPIA fixes - DCN 3.5 Support - Devcoredump fixes - VPE 6.1 support - VCN 4.0 Updates - S/G display fixes - DML fixes - DML2 Support - MST fixes - VRR fixes - Enable seamless boot in more cases - Enable content type property for HDMI - OLED fixes - Rework and clean up GPUVM TLB flushing - DC ODM fixes - DP 2.x fixes - AGP aperture fixes - SDMA firmware loading cleanups - Cyan Skillfish GPU clock counter fix - GC 11 GART fix - Cache GPU fault info for userspace queries - DC cursor check fixes - eDP fixes - DC FP handling fixes - Variable sized array fixes - SMU 13.0.x fixes - IB start and size alignment fixes for VCN - SMU 14 Support - Suspend and resume sequence rework - vkms fix amdkfd: - GC 11 fixes - GC 10 fixes - Doorbell fixes - CWSR fixes - SVM fixes - Clean up GC info enumeration - Rework memory limit handling - Coherent memory handling fixes - Use partial migrations in GPU faults - TLB flush fixes - DMA unmap fixes - GC 9.4.3 fixes - SQ interrupt fix - GTT mapping fix - GC 11.5 Support radeon: - Misc code cleanups - W=1 Fixes - Fix possible buffer overflow - Fix possible NULL pointer dereference UAPI: - Add EXT_COHERENT memory allocation flags. These allow for system scope atomics. Proposed userspace: https://github.com/RadeonOpenCompute/ROCT-Thunk-Interface/pull/88 - Add support for new VPE engine. This is a memory to memory copy engine with advanced scaling, CSC, and color management features Proposed mesa MR: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25713 - Add INFO IOCTL interface to query GPU faults Proposed Mesa MR: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23238 Proposed libdrm MR: https://gitlab.freedesktop.org/mesa/drm/-/merge_requests/298 Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231013175758.1735031-1-alexander.deucher@amd.com
2023-10-13drm/amd/swsmu: update smu v14_0_0 header files and metrics tableLi Ma5-109/+291
Update driver if, pmfw and ppsmc header files. Add new gpu_metrics_v3_0 for metrics table updated in driver if and reserve legacy metrics table to maintain backward compatibility. --- v1: Update header files and add gpu_metrics_v3_0. v2: Update smu_types.h, smu headers and drop smu_cmn_get_smc_version in smu v14_0_0. Signed-off-by: Li Ma <li.ma@amd.com> Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com> Reviewed-by: Kenneth Feng <kenneth.feng@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-13drm/amd/pm: Add P2S tables for SMU v13.0.6Lijo Lazar1-0/+71
Add P2S table load support on SMU v13.0.6 ASICs. Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Yang Wang <kevinyang.wang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-13drm/amd/pm: drop most smu_cmn_get_smc_version in smuYifan Zhang7-240/+61
smu_check_fw_version is called in smu hw init, thus smu if version and version are garenteed to be stored in smu context. No need to call smu_cmn_get_smc_version again after system boot up. Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com> Reviewed-by: Kenneth Feng <kenneth.feng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-13drm/amd/pm: Add reset option for fan_ctrl on smu 13.0.7Ma Jun1-5/+64
Add reset option for fan_ctrl interfaces on the smu v13.0.7 User can use command "echo r > interface_name" to reset the interface to boot value Signed-off-by: Ma Jun <Jun.Ma2@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-13drm/amd/pm: Add reset option for fan_ctrl interfacesMa Jun2-0/+36
Add reset option for fan_ctrl interfaces. For example: User can use the "echo r > acoustic_limit_rpm_threshold" command to reset acoustic_limit_rpm_threshold to boot value Signed-off-by: Ma Jun <Jun.Ma2@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-13drm/amdgpu: add support to power up/down UMSCH by SMULang Yu2-0/+27
Power up/down UMSCH by SMU. Signed-off-by: Lang Yu <Lang.Yu@amd.com> Acked-by: Leo Liu <leo.liu@amd.com> Acked-by: Veerabadhran Gopalakrishnan <Veerabadhran.Gopalakrishnan@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-13drm/amdgpu: add power up/down UMSCH ppt callbackLang Yu3-1/+24
Add ppt callback to power up/down UMSCH. v2: squash in updates (Alex) Signed-off-by: Lang Yu <Lang.Yu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-13drm/amdgpu: add support to powerup VPE by SMULang Yu3-0/+31
Powerup VPE by SMU. Signed-off-by: Lang Yu <Lang.Yu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-13drm/amdgpu/discovery: add SMU 14 supportLi Ma1-0/+8
add smu 14 into the IP discovery list. Signed-off-by: Li Ma <li.ma@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-13drm/amd/swsmu: add smu14 ip supportKenneth Feng10-3/+3110
Add initial swSMU support for smu 14 series ASIC. v2: squash in build fixes and updates (Li Ma) fix warnings (Alex) v3: squash in updates (Alex) v4: squash in updates (Alex) v5: squash in avg/current power updates (Alex) Signed-off-by: Li Ma <li.ma@amd.com> Signed-off-by: Kenneth Feng <kenneth.feng@amd.com> Signed-off-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-13drm/amd/swsmu: add smu v14_0_0 pmfw if fileLi Ma1-0/+156
Add initial smu v14_0_0 pmfw if file v2: squash in updates (Alex) Signed-off-by: Li Ma <li.ma@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-13drm/amd/swsmu: add smu v14_0_0 ppsmc fileLi Ma1-0/+142
Add initial smu v14_0_0 ppsmc file v2: squash in updates (Alex) v3: squash in updates (Alex) Signed-off-by: Li Ma <li.ma@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-13drm/amdgpu/swsmu: add smu v14_0_0 driver if fileLi Ma1-0/+281
Add initial smu v14_0_0 driver if file v2: squash in updates (Alex) v3: update interface (Alex) Signed-off-by: Li Ma <li.ma@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-13drm/amd/pm: Use gpu_metrics_v1_4 for SMUv13.0.6Asad Kamal1-24/+41
Use gpu_metrics_v1_4 for SMUv13.0.6 to fill gpu metric info v3: Removed filling gpu metric instantaneous pcie bw Signed-off-by: Asad Kamal <asad.kamal@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-13drm/amd/pm: Add gpu_metrics_v1_4Asad Kamal1-0/+3
Add new gpu_metrics_v1_4 to acquire XGMI data transfer, pcie bandwidth & Clock lock status v2: Add pcie error counter to gpu metric table v1_4 Signed-off-by: Asad Kamal <asad.kamal@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-13drm/amd/pm: Update metric table for smu v13_0_6Asad Kamal1-1/+5
Update pmfw metric table to include xgmi transfer data and pci instantaneous bandwidth for smu v13_0_6 v2: Updated metric table version v3: Removed inst pcie bw with alignment to metrics table version 8 Signed-off-by: Asad Kamal <asad.kamal@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-13drm/amd/pm: wait for completion of the EnableGfxImu commandTim Huang1-2/+10
Wait for completion of sending the EnableGfxImu message when using the PSP FW loading. Signed-off-by: Tim Huang <Tim.Huang@amd.com> Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-11Merge drm/drm-next into drm-misc-nextThomas Zimmermann81-1154/+1042
Updating drm-misc-next to the state of Linux v6.6-rc2. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
2023-10-09drm/amdgpu: Refactor FRU product informationLijo Lazar5-12/+0
Keep FRU related information together in a separate structure. Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-09drm/amdgpu: Enable SMU 13.0.0 optimizations when ROCm is active (v2)Alex Deucher1-1/+16
When ROCm is active enable additional SMU 13.0.0 optimizations. This reuses the unused powersave profile on PMFW. v2: move to the swsmu code since we need both bits active in the workload mask. Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-09drm/amd: Fix UBSAN array-index-out-of-bounds for Polaris and TongaMario Limonciello1-6/+6
For pptable structs that use flexible array sizes, use flexible arrays. Link: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2036742 Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-09drm/amd: Fix UBSAN array-index-out-of-bounds for SMU7Mario Limonciello1-2/+2
For pptable structs that use flexible array sizes, use flexible arrays. Suggested-by: Felix Held <felix.held@amd.com> Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2874 Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-06drm/amd/pm: Remove set df cstate for SMUv13.0.6Asad Kamal1-8/+0
Remove set df cstate as disallow df state is not required for SMUv13.0.6 Signed-off-by: Asad Kamal <asad.kamal@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-05drm/amd/pm: Annotate struct smu10_voltage_dependency_table with __counted_byKees Cook1-1/+1
Prepare for the coming implementation by GCC and Clang of the __counted_by attribute. Flexible array members annotated with __counted_by can have their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family functions). As found with Coccinelle[1], add __counted_by for struct smu10_voltage_dependency_table. [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci Cc: Evan Quan <evan.quan@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: "Christian König" <christian.koenig@amd.com> Cc: "Pan, Xinhui" <Xinhui.Pan@amd.com> Cc: David Airlie <airlied@gmail.com> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Xiaojian Du <Xiaojian.Du@amd.com> Cc: Huang Rui <ray.huang@amd.com> Cc: Kevin Wang <kevin1.wang@amd.com> Cc: amd-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230922173216.3823169-1-keescook@chromium.org
2023-10-05drm/amd/pm: Add GC v9.4.3 thermal limits to hwmonLijo Lazar1-7/+12
Publish max operating temperature of SOC and memory as temp*_emergency nodes in hwmon. temp*_crit will show the throttle temperature limits. Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Asad Kamal <asad.kamal@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-05drm/amd/pm: Add throttle limit for SMU v13.0.6Lijo Lazar1-7/+27
CTF limit represents the max operating temperature and thermal limit gives the limit at which throttling starts. Add support for both limits. SOC and HBM may have different limit values.*_emergency_max gives max operating temperature and *_crit_max value represents throttle limit. Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Asad Kamal <asad.kamal@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-05drm/amd: Drop all hand-built MIN and MAX macros in the amdgpu base driverMario Limonciello10-26/+22
Several files declare MIN() or MAX() macros that ignore the types of the values being compared. Drop these macros and switch to min() min_t(), and max() from `linux/minmax.h`. Suggested-by: Hamza Mahfooz <Hamza.Mahfooz@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-05drm/amd: Update `update_pcie_parameters` functions to use uint8_t argumentsMario Limonciello6-12/+12
The matching values for `pcie_gen_cap` and `pcie_width_cap` when fetched from powerplay tables are 1 byte, so narrow the arguments to match to ensure min() and max() comparisons without casts. Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-03drm/amd: Fix logic error in sienna_cichlid_update_pcie_parameters()Mario Limonciello1-18/+23
While aligning SMU11 with SMU13 implementation an assumption was made that `dpm_context->dpm_tables.pcie_table` was populated in dpm table initialization like in SMU13 but it isn't. So restore some of the original logic and instead just check for amdgpu_device_pcie_dynamic_switching_supported() to decide whether to hardcode values; erring on the side of performance. Cc: stable@vger.kernel.org # 6.1+ Reported-and-tested-by: Umio Yasuno <coelacanth_dream@protonmail.com> Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/1447#note_2101382 Fixes: e701156ccc6c ("drm/amd: Align SMU11 SMU_MSG_OverridePcieParameters implementation with SMU13") Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-03drm/amd/pm: delete dead codeDan Carpenter1-3/+0
"ret" was checked earlier inside the loop, so we know it is zero here. No need to check a second time. Reviewed-by: Yang Wang <kevinyang.wang@amd.com> Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-09-28drm/amd/pm: Disallow managing power profiles on SRIOV for gc11.0.3Victor Zhao1-1/+2
disable pp_power_profile_mode for sriov on gc11.0.3 as not supported by smu Signed-off-by: Victor Zhao <Victor.Zhao@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-09-28drm/amd/pm: fix the print_clk_levels issue for SMU v13.0.6Le Ma1-12/+12
Pass the correct size to smu_v13_0_6_print_clks, otherwise the same place in buf will be re-written. Signed-off-by: Le Ma <le.ma@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-09-28drm/amd/pm: deprecate allow_xgmi_power_down interfaceLe Ma4-41/+0
Replace with set_plpd_mode uniformly for places to use. Signed-off-by: Le Ma <le.ma@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-09-28drm/amd/pm: integrate plpd allow/disallow into select_xgmi_plpd_policy in ↵Le Ma3-28/+38
ppt level The allow_xgmi_power_down(true/false) will be generally replaced by: - allow: select_xgmi_plpd_policy(XGMI_PLPD_DEFAULT) - disallow: select_xgmi_plpd_policy(XGMI_PLPD_DISALLOW) Signed-off-by: Le Ma <le.ma@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-09-28drm/amd/pm: init plpd_mode properly for different asicsLe Ma1-0/+17
Assign DEFAULT mode if it supports plpd, otherwise keeps NONE v2: reduce ip version checks Signed-off-by: Le Ma <le.ma@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-09-27drm/amd/pm: add xgmi_plpd_policy sysfs node for user to change plpd policyLe Ma3-0/+116
Add xgmi_plpd_policy sysfs node for users to check and select xgmi per-link power down policy: - arg 0: disallow plpd - arg 1: default policy - arg 2: optimized policy v2: split from smu v13.0.6 code and miscellaneous updates v3: add usage comments around set/get functions Signed-off-by: Le Ma <le.ma@amd.com> Reviewed-by: Asad Kamal <asad.kamal@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-09-27drm/amd/pm: add xgmi plpd mode selecting interface for smu v13.0.6Le Ma4-1/+66
Add the interface to change xgmi per-link power down policy. v2: split from sysfs interface code and miscellaneous updates v3: check against XGMI_PLPD_DEFAULT/XGMI_PLPD_OPTIMIZED and pass PPSMC param Signed-off-by: Le Ma <le.ma@amd.com> Reviewed-by: Asad Kamal <asad.kamal@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
generated by cgit v1.2.3 (git 2.39.0) at 2025-10-02 17:53:31 +0300