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| author | Alex Deucher <alexander.deucher@amd.com> | 2020-10-01 09:03:37 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-10-01 10:43:10 -0400 |
| commit | 1a8a763b218cef8cf881fc0d1d739283db24c167 (patch) | |
| tree | 890278d6fcce3be0784466fd00281f43431fd5f7 /drivers/gpu | |
| parent | 346dbbb8f7a0f94eb4264d1e0a253be2edca6eb8 (diff) | |
| download | linux-stable-1a8a763b218cef8cf881fc0d1d739283db24c167.tar.gz linux-stable-1a8a763b218cef8cf881fc0d1d739283db24c167.tar.bz2 linux-stable-1a8a763b218cef8cf881fc0d1d739283db24c167.zip | |
drm/amdgpu/swsmu: add interrupt work function
So we can schedule work from interrupts. This might include
long tasks or things that could sleep.
Fixes: e1188aacad1730 ("drm/amdgpu/smu11: add support for SMU AC/DC interrupts")
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 15 |
2 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h index 85c5e8627e3b..44fd0cd069de 100644 --- a/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h @@ -453,6 +453,7 @@ struct smu_context struct work_struct throttling_logging_work; atomic64_t throttle_int_counter; + struct work_struct interrupt_work; unsigned fan_max_rpm; unsigned manual_fan_speed_rpm; @@ -601,6 +602,7 @@ struct pptable_funcs { int (*deep_sleep_control)(struct smu_context *smu, bool enablement); int (*get_fan_parameters)(struct smu_context *smu); int (*post_init)(struct smu_context *smu); + void (*interrupt_work)(struct smu_context *smu); }; typedef enum { diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c index 3010cb31324a..d20a657ee081 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -780,6 +780,19 @@ static void smu_throttling_logging_work_fn(struct work_struct *work) smu_log_thermal_throttling(smu); } +static void smu_interrupt_work_fn(struct work_struct *work) +{ + struct smu_context *smu = container_of(work, struct smu_context, + interrupt_work); + + mutex_lock(&smu->mutex); + + if (smu->ppt_funcs && smu->ppt_funcs->interrupt_work) + smu->ppt_funcs->interrupt_work(smu); + + mutex_unlock(&smu->mutex); +} + static int smu_sw_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; @@ -802,6 +815,7 @@ static int smu_sw_init(void *handle) mutex_init(&smu->message_lock); INIT_WORK(&smu->throttling_logging_work, smu_throttling_logging_work_fn); + INIT_WORK(&smu->interrupt_work, smu_interrupt_work_fn); atomic64_set(&smu->throttle_int_counter, 0); smu->watermarks_bitmap = 0; smu->power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT; @@ -1197,6 +1211,7 @@ static int smu_smc_hw_cleanup(struct smu_context *smu) int ret = 0; cancel_work_sync(&smu->throttling_logging_work); + cancel_work_sync(&smu->interrupt_work); ret = smu_disable_thermal_alert(smu); if (ret) { |