From a4201aaaedbe067650321488894d2466a4a8118d Mon Sep 17 00:00:00 2001
From: Le Ma <le.ma@amd.com>
Date: Tue, 26 Nov 2019 17:24:56 +0800
Subject: drm/amdgpu: enable/disable doorbell interrupt in baco entry/exit
Git-commit: 7a22677b9514d0e819eb85d687eb8d8ef10ab330
Patch-mainline: v5.6-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
 helper

This operation is needed when baco entry/exit for ras recovery

Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 198cb2eec5b9..0ae23b91c24d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -4307,10 +4307,14 @@ static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev)
 int amdgpu_device_baco_enter(struct drm_device *dev)
 {
 	struct amdgpu_device *adev = dev->dev_private;
+	struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
 
 	if (!amdgpu_device_supports_baco(adev->ddev))
 		return -ENOTSUPP;
 
+	if (ras && ras->supported)
+		adev->nbio.funcs->enable_doorbell_interrupt(adev, false);
+
 	if (is_support_sw_smu(adev)) {
 		struct smu_context *smu = &adev->smu;
 		int ret;
@@ -4318,8 +4322,6 @@ int amdgpu_device_baco_enter(struct drm_device *dev)
 		ret = smu_baco_enter(smu);
 		if (ret)
 			return ret;
-
-		return 0;
 	} else {
 		void *pp_handle = adev->powerplay.pp_handle;
 		const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
@@ -4330,14 +4332,15 @@ int amdgpu_device_baco_enter(struct drm_device *dev)
 		/* enter BACO state */
 		if (pp_funcs->set_asic_baco_state(pp_handle, 1))
 			return -EIO;
-
-		return 0;
 	}
+
+	return 0;
 }
 
 int amdgpu_device_baco_exit(struct drm_device *dev)
 {
 	struct amdgpu_device *adev = dev->dev_private;
+	struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
 
 	if (!amdgpu_device_supports_baco(adev->ddev))
 		return -ENOTSUPP;
@@ -4350,7 +4353,6 @@ int amdgpu_device_baco_exit(struct drm_device *dev)
 		if (ret)
 			return ret;
 
-		return 0;
 	} else {
 		void *pp_handle = adev->powerplay.pp_handle;
 		const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
@@ -4361,7 +4363,10 @@ int amdgpu_device_baco_exit(struct drm_device *dev)
 		/* exit BACO state */
 		if (pp_funcs->set_asic_baco_state(pp_handle, 0))
 			return -EIO;
-
-		return 0;
 	}
+
+	if (ras && ras->supported)
+		adev->nbio.funcs->enable_doorbell_interrupt(adev, true);
+
+	return 0;
 }
-- 
2.28.0