We need to schedule the smu AC/DC interrupt ack to avoid potentially sleeping if the smu message mutex is contended.
Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/pm/inc/smu_v11_0.h | 2 ++ drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c | 1 + drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c | 1 + .../gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c | 1 + drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c | 10 ++++++++-- drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c | 1 + 6 files changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/pm/inc/smu_v11_0.h b/drivers/gpu/drm/amd/pm/inc/smu_v11_0.h index f57dc586649a..8885bde3ea3d 100644 --- a/drivers/gpu/drm/amd/pm/inc/smu_v11_0.h +++ b/drivers/gpu/drm/amd/pm/inc/smu_v11_0.h @@ -281,5 +281,7 @@ int smu_v11_0_gfx_ulv_control(struct smu_context *smu, int smu_v11_0_deep_sleep_control(struct smu_context *smu, bool enablement); +void smu_v11_0_interrupt_work(struct smu_context *smu); + #endif #endif diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c index d298fa65274d..fc376281e629 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c @@ -2388,6 +2388,7 @@ static const struct pptable_funcs arcturus_ppt_funcs = { .gfx_ulv_control = smu_v11_0_gfx_ulv_control, .deep_sleep_control = smu_v11_0_deep_sleep_control, .get_fan_parameters = arcturus_get_fan_parameters, + .interrupt_work = smu_v11_0_interrupt_work, }; void arcturus_set_ppt_funcs(struct smu_context *smu) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c index be44cb941e73..3f1377f28493 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c @@ -2755,6 +2755,7 @@ static const struct pptable_funcs navi10_ppt_funcs = { .deep_sleep_control = smu_v11_0_deep_sleep_control, .get_fan_parameters = navi10_get_fan_parameters, .post_init = navi10_post_smu_init, + .interrupt_work = smu_v11_0_interrupt_work, }; void navi10_set_ppt_funcs(struct smu_context *smu) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c index a2cb831ce8aa..3c8732f34b1f 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c @@ -2784,6 +2784,7 @@ static const struct pptable_funcs sienna_cichlid_ppt_funcs = { .gfx_ulv_control = smu_v11_0_gfx_ulv_control, .deep_sleep_control = smu_v11_0_deep_sleep_control, .get_fan_parameters = sienna_cichlid_get_fan_parameters, + .interrupt_work = smu_v11_0_interrupt_work, }; void sienna_cichlid_set_ppt_funcs(struct smu_context *smu) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c index effa4391b577..3e949e53cdc3 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c @@ -958,6 +958,12 @@ static int smu_v11_0_process_pending_interrupt(struct smu_context *smu) return ret; } +void smu_v11_0_interrupt_work(struct smu_context *smu) +{ + if (smu_v11_0_ack_ac_dc_interrupt(smu)) + dev_err(smu->adev->dev, "Ack AC/DC interrupt Failed!\n"); +} + int smu_v11_0_enable_thermal_alert(struct smu_context *smu) { int ret = 0; @@ -1323,11 +1329,11 @@ static int smu_v11_0_irq_process(struct amdgpu_device *adev, switch (ctxid) { case 0x3: dev_dbg(adev->dev, "Switched to AC mode!\n"); - smu_v11_0_ack_ac_dc_interrupt(&adev->smu); + schedule_work(&smu->interrupt_work); break; case 0x4: dev_dbg(adev->dev, "Switched to DC mode!\n"); - smu_v11_0_ack_ac_dc_interrupt(&adev->smu); + schedule_work(&smu->interrupt_work); break; case 0x7: /* diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c index d6759de40503..145712a24b80 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c @@ -341,6 +341,7 @@ static const struct pptable_funcs vangogh_ppt_funcs = { .get_pp_feature_mask = smu_cmn_get_pp_feature_mask, .set_pp_feature_mask = smu_cmn_set_pp_feature_mask, .disable_all_features_with_exception = smu_cmn_disable_all_features_with_exception, + .interrupt_work = smu_v11_0_interrupt_work, }; void vangogh_set_ppt_funcs(struct smu_context *smu) -- 2.25.4 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
