linux-stable.git/drivers/gpu/drm/amd/pm/amdgpu_dpm.c, branch linux-6.8.y Linux kernel stable tree drm/amd/pm: support return vpe clock table 2023-12-14T20:25:59+00:00 Peyton Lee peytolee@amd.com 2023-12-12T02:12:33+00:00 a2f2f43f74cd050146cd2660bbc3c7e1e7c0da0b pm supports return vpe clock table and soc clock table Signed-off-by: Peyton Lee <peytolee@amd.com> Reviewed-by: Li Ma <li.ma@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
pm supports return vpe clock table and soc clock table

Signed-off-by: Peyton Lee <peytolee@amd.com>
Reviewed-by: Li Ma <li.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: optimize RLC powerdown notification on Vangogh 2023-11-29T21:48:58+00:00 Perry Yuan perry.yuan@amd.com 2023-08-01T14:37:41+00:00 2e9b152325f649923b9324fa8ea5f1a5289145bb The smu needs to get the rlc power down message to sync the rlc state with smu, the rlc state updating message need to be sent at while smu begin suspend sequence , otherwise SMU will crash while RLC state is not notified by driver, and rlc state probally changed after that notification, so it needs to notify rlc state to smu at the end of the suspend sequence in amdgpu_device_suspend() that can make sure the rlc state is correctly set to SMU. [ 101.000590] amdgpu 0000:03:00.0: amdgpu: SMU: I'm not done with your previous command: SMN_C2PMSG_66:0x0000001E SMN_C2PMSG_82:0x00000000 [ 101.000598] amdgpu 0000:03:00.0: amdgpu: Failed to disable gfxoff! [ 110.838026] amdgpu 0000:03:00.0: amdgpu: SMU: I'm not done with your previous command: SMN_C2PMSG_66:0x0000001E SMN_C2PMSG_82:0x00000000 [ 110.838035] amdgpu 0000:03:00.0: amdgpu: Failed to disable smu features. [ 110.838039] amdgpu 0000:03:00.0: amdgpu: Fail to disable dpm features! [ 110.838040] [drm:amdgpu_device_ip_suspend_phase2 [amdgpu]] *ERROR* suspend of IP block <smu> failed -62 [ 110.884394] PM: suspend of devices aborted after 21213.620 msecs [ 110.884402] PM: start suspend of devices aborted after 21213.882 msecs [ 110.884405] PM: Some devices failed to suspend, or early wake event detected Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com> Signed-off-by: Perry Yuan <perry.yuan@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
The smu needs to get the rlc power down message to sync the rlc state
with smu, the rlc state updating message need to be sent at while smu
begin suspend sequence , otherwise SMU will crash while RLC state is not
notified by driver, and rlc state probally changed after that
notification, so it needs to notify rlc state to smu at the end of the
suspend sequence in amdgpu_device_suspend() that can make sure the rlc
state  is correctly set to SMU.

[  101.000590] amdgpu 0000:03:00.0: amdgpu: SMU: I'm not done with your previous command: SMN_C2PMSG_66:0x0000001E SMN_C2PMSG_82:0x00000000
[  101.000598] amdgpu 0000:03:00.0: amdgpu: Failed to disable gfxoff!
[  110.838026] amdgpu 0000:03:00.0: amdgpu: SMU: I'm not done with your previous command: SMN_C2PMSG_66:0x0000001E SMN_C2PMSG_82:0x00000000
[  110.838035] amdgpu 0000:03:00.0: amdgpu: Failed to disable smu features.
[  110.838039] amdgpu 0000:03:00.0: amdgpu: Fail to disable dpm features!
[  110.838040] [drm:amdgpu_device_ip_suspend_phase2 [amdgpu]] *ERROR* suspend of IP block <smu> failed -62
[  110.884394] PM: suspend of devices aborted after 21213.620 msecs
[  110.884402] PM: start suspend of devices aborted after 21213.882 msecs
[  110.884405] PM: Some devices failed to suspend, or early wake event detected

Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com>
Signed-off-by: Perry Yuan <perry.yuan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/pm: Add support to fetch pm metrics sample 2023-11-29T21:23:46+00:00 Lijo Lazar lijo.lazar@amd.com 2023-09-29T05:21:02+00:00 12c2d3b5f5bc4ecb470a4bc06424914c145e8c03 Add API support to fetch a snapshot of power management metrics from PMFW. 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> 
Add API support to fetch a snapshot of power management metrics from PMFW.

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>
drm/amd/pm: Fix return value and drop redundant param 2023-11-17T14:29:53+00:00 Ma Jun Jun.Ma2@amd.com 2023-11-02T03:19:46+00:00 fbbcb3f2b7c269c92218f315d22d6ab00524798a Fix the return value and drop redundant parameter of get_asic_baco_capability function. 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> 
Fix the return value and drop redundant parameter
of get_asic_baco_capability function.

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>
drm/amd/pm: Hide irrelevant pm device attributes 2023-11-07T17:03:31+00:00 Lijo Lazar lijo.lazar@amd.com 2023-10-31T07:02:03+00:00 8cfd6a05750cd7aa84e7f1e5933fa7781006bfc3 Change return code to EOPNOTSUPP for unsupported functions. Use the error code information to hide sysfs nodes not valid for the SOC. Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Yang Wang <kevinyang.wang@amd.com> Reviewed-by: Asad Kamal <asad.kamal@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Change return code to EOPNOTSUPP for unsupported functions. Use the
error code information to hide sysfs nodes not valid for the SOC.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: add support to powerup VPE by SMU 2023-10-13T15:00:03+00:00 Lang Yu Lang.Yu@amd.com 2023-05-17T06:55:46+00:00 d60fbf2d254acc9bc610713bed2bc9e47831fc15 Powerup VPE by SMU. Signed-off-by: Lang Yu <Lang.Yu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Powerup VPE by SMU.

Signed-off-by: Lang Yu <Lang.Yu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amd/pm: deprecate allow_xgmi_power_down interface 2023-09-28T19:36:23+00:00 Le Ma le.ma@amd.com 2023-09-20T07:17:12+00:00 3152d01e881602406ce5aa1f0ef154da56d69fc8 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> 
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>
drm/amd/pm: add xgmi_plpd_policy sysfs node for user to change plpd policy 2023-09-26T21:00:23+00:00 Le Ma le.ma@amd.com 2023-09-07T07:50:14+00:00 21e43386aec839faf00b71b4684cc72eb649a0f5 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> 
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>
drm/amd/pm: avoid potential UBSAN issue on legacy asics 2023-05-11T12:41:36+00:00 Guchun Chen guchun.chen@amd.com 2023-05-09T01:36:49+00:00 5247f05eadf1081a74b2233f291cee2efed25e3a Prevent further dpm casting on legacy asics without od_enabled in amdgpu_dpm_is_overdrive_supported. This can avoid UBSAN complain in init sequence. v2: add a macro to check legacy dpm instead of checking asic family/type v3: refine macro name for naming consistency Suggested-by: Evan Quan <evan.quan@amd.com> Signed-off-by: Guchun Chen <guchun.chen@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org 
Prevent further dpm casting on legacy asics without od_enabled in
amdgpu_dpm_is_overdrive_supported. This can avoid UBSAN complain
in init sequence.

v2: add a macro to check legacy dpm instead of checking asic family/type
v3: refine macro name for naming consistency

Suggested-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
drm/amd/pm: parse pp_handle under appropriate conditions 2023-05-11T05:06:27+00:00 Guchun Chen guchun.chen@amd.com 2023-05-05T05:20:11+00:00 58d9b9a14b47c2a3da6effcbb01607ad7edc0275 amdgpu_dpm_is_overdrive_supported is a common API across all asics, so we should cast pp_handle into correct structure under different power frameworks. v2: using return directly to simplify code v3: SI asic does not carry od_enabled member in pp_handle, and update Fixes tag Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2541 Fixes: eb4900aa4c49 ("drm/amdgpu: Fix kernel NULL pointer dereference in dpm functions") Suggested-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Guchun Chen <guchun.chen@amd.com> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org 
amdgpu_dpm_is_overdrive_supported is a common API across all
asics, so we should cast pp_handle into correct structure
under different power frameworks.

v2: using return directly to simplify code
v3: SI asic does not carry od_enabled member in pp_handle, and update Fixes tag

Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2541
Fixes: eb4900aa4c49 ("drm/amdgpu: Fix kernel NULL pointer dereference in dpm functions")
Suggested-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org