diff options
author | Mukul Joshi <mukul.joshi@amd.com> | 2020-07-23 23:09:57 -0400 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2020-07-27 16:21:50 -0400 |
commit | 2c2b0d880f1b4c01f30e14242977b82fa527342d (patch) | |
tree | 31c941f641c19bfe6e0459bfc73732fb3255228e /drivers/gpu/drm/amd/powerplay | |
parent | df9c8d1aa278c435c30a69b8f2418b4a52fcb929 (diff) | |
download | linux-2c2b0d880f1b4c01f30e14242977b82fa527342d.tar.bz2 |
drm/amdkfd: Add thermal throttling SMI event
Add support for reporting thermal throttling events through SMI.
Also, add a counter to count the number of throttling interrupts
observed and report the count in the SMI event message.
Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay')
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 5 |
4 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index 0eeccf3341a3..7d9c40ad5780 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -640,6 +640,7 @@ static int smu_sw_init(void *handle) mutex_init(&smu->message_lock); INIT_WORK(&smu->throttling_logging_work, smu_throttling_logging_work_fn); + atomic64_set(&smu->throttle_int_counter, 0); smu->watermarks_bitmap = 0; smu->power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT; smu->default_power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT; diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c index 3b9182c8c53f..f13979687b9e 100644 --- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c @@ -2251,6 +2251,7 @@ static void arcturus_log_thermal_throttling_event(struct smu_context *smu) dev_warn(adev->dev, "WARN: GPU thermal throttling temperature reached, expect performance decrease. %s.\n", log_buf); + kgd2kfd_smi_event_throttle(smu->adev->kfd.dev, throttler_status); } static const struct pptable_funcs arcturus_ppt_funcs = { diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h index 28312d6dc187..b57b10406390 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h @@ -446,6 +446,7 @@ struct smu_context bool dc_controlled_by_gpio; struct work_struct throttling_logging_work; + atomic64_t throttle_int_counter; }; struct i2c_adapter; diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c index fd82402065e6..a9453ec01619 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c @@ -1311,6 +1311,11 @@ static int smu_v11_0_irq_process(struct amdgpu_device *adev, smu_v11_0_ack_ac_dc_interrupt(&adev->smu); break; case 0x7: + /* + * Increment the throttle interrupt counter + */ + atomic64_inc(&smu->throttle_int_counter); + if (!atomic_read(&adev->throttling_logging_enabled)) return 0; |