[PATCH 8/8] drm/amdgpu/smu11: add support for SMU AC/DC interrupts

[Quan, Evan]

Thanks Alex. The series is reviewed-by: Evan Quan <evan.quan at amd.com>

-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Alex Deucher
Sent: Saturday, March 21, 2020 2:27 AM
To: amd-gfx at lists.freedesktop.org
Cc: Deucher, Alexander <Alexander.Deucher at amd.com>; mcoffin13 at gmail.com
Subject: [PATCH 8/8] drm/amdgpu/smu11: add support for SMU AC/DC interrupts

Driver needs to send the ack message when it receives the AC/DC interrupt from the SMU.

TODO: verify the client and src ids.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index 20174bed11ce..d19e1d0d56c0 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -1525,6 +1525,13 @@ int smu_v11_0_set_xgmi_pstate(struct smu_context *smu,
 	return ret;
 }
 
+static int smu_v11_0_ack_ac_dc_interrupt(struct smu_context *smu) {
+	return smu_send_smc_msg(smu,
+				SMU_MSG_ReenableAcDcInterrupt,
+				NULL);
+}
+
 #define THM_11_0__SRCID__THM_DIG_THERM_L2H		0		/* ASIC_TEMP > CG_THERMAL_INT.DIG_THERM_INTH  */
 #define THM_11_0__SRCID__THM_DIG_THERM_H2L		1		/* ASIC_TEMP < CG_THERMAL_INT.DIG_THERM_INTL  */
 
@@ -1558,6 +1565,9 @@ static int smu_v11_0_irq_process(struct amdgpu_device *adev,
 		break;
 
 		}
+	} else if (client_id == SOC15_IH_CLIENTID_MP1) {
+		if (src_id == 0xfe)
+			smu_v11_0_ack_ac_dc_interrupt(&adev->smu);
 	}
 
 	return 0;
@@ -1597,6 +1607,12 @@ int smu_v11_0_register_irq_handler(struct smu_context *smu)
 	if (ret)
 		return ret;
 
+	ret = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_MP1,
+				0xfe,
+				irq_src);
+	if (ret)
+		return ret;
+
 	return ret;
 }
 
--
2.25.1

_______________________________________________
amd-gfx mailing list
amd-gfx at lists.freedesktop.org
https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Famd-gfx&data=02%7C01%7Cevan.quan%40amd.com%7C659315d457244e756adc08d7ccfc6dab%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637203256919711120&sdata=YM6rLmsPSMvUxiSxS4b4qH72I9xojvwi5QKhVnmqk0s%3D&reserved=0