[PATCH] drm/amd/pm: Ignore throttle events on SMUv13.0.6

[Kamal, Asad]

[AMD Official Use Only - AMD Internal Distribution Only]

Reviewed-by: Asad Kamal <asad.kamal at amd.com>

Thanks & Regards
Asad

-----Original Message-----
From: Lazar, Lijo <Lijo.Lazar at amd.com>
Sent: Wednesday, July 24, 2024 4:26 PM
To: amd-gfx at lists.freedesktop.org
Cc: Zhang, Hawking <Hawking.Zhang at amd.com>; Deucher, Alexander <Alexander.Deucher at amd.com>; Kamal, Asad <Asad.Kamal at amd.com>
Subject: [PATCH] drm/amd/pm: Ignore throttle events on SMUv13.0.6

Spurious events are seen, temporarily ignore the events altogether.

Signed-off-by: Lijo Lazar <lijo.lazar at amd.com>
---
 drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
index 1d76916ed056..b2059663883a 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
@@ -1739,6 +1739,8 @@ static int smu_v13_0_6_irq_process(struct amdgpu_device *adev,
                         */
                        switch (ctxid) {
                        case IH_INTERRUPT_CONTEXT_ID_THERMAL_THROTTLING:
+                               /* Ignore throttle events temporarily as some are spurious.*/
+                               return 0;
                                /*
                                 * Increment the throttle interrupt counter
                                 */
--
2.25.1