[PATCH v3 6/6] drm/amdgpu: add RAS POISON interrupt funcs for jpeg_v4_0

[Horatio Zhang]

Add ras_poison_irq and functions. And fix the amdgpu_irq_put
call trace in jpeg_v4_0_hw_fini.

[   50.497562] RIP: 0010:amdgpu_irq_put+0xa4/0xc0 [amdgpu]
[   50.497619] RSP: 0018:ffffaa2400fcfcb0 EFLAGS: 00010246
[   50.497620] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
[   50.497621] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   50.497621] RBP: ffffaa2400fcfcd0 R08: 0000000000000000 R09: 0000000000000000
[   50.497622] R10: 0000000000000000 R11: 0000000000000000 R12: ffff99b2105242d8
[   50.497622] R13: 0000000000000000 R14: ffff99b210500000 R15: ffff99b210500000
[   50.497623] FS:  0000000000000000(0000) GS:ffff99b518480000(0000) knlGS:0000000000000000
[   50.497623] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.497624] CR2: 00007f9d32aa91e8 CR3: 00000001ba210000 CR4: 0000000000750ee0
[   50.497624] PKRU: 55555554
[   50.497625] Call Trace:
[   50.497625]  <TASK>
[   50.497627]  jpeg_v4_0_hw_fini+0x43/0xc0 [amdgpu]
[   50.497693]  jpeg_v4_0_suspend+0x13/0x30 [amdgpu]
[   50.497751]  amdgpu_device_ip_suspend_phase2+0x240/0x470 [amdgpu]
[   50.497802]  amdgpu_device_ip_suspend+0x41/0x80 [amdgpu]
[   50.497854]  amdgpu_device_pre_asic_reset+0xd9/0x4a0 [amdgpu]
[   50.497905]  amdgpu_device_gpu_recover.cold+0x548/0xcf1 [amdgpu]
[   50.498005]  amdgpu_debugfs_reset_work+0x4c/0x80 [amdgpu]
[   50.498060]  process_one_work+0x21f/0x400
[   50.498063]  worker_thread+0x200/0x3f0
[   50.498064]  ? process_one_work+0x400/0x400
[   50.498065]  kthread+0xee/0x120
[   50.498067]  ? kthread_complete_and_exit+0x20/0x20
[   50.498068]  ret_from_fork+0x22/0x30

Suggested-by: Hawking Zhang <Hawking.Zhang at amd.com>
Signed-off-by: Horatio Zhang <Hongkun.Zhang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c | 27 +++++++++++++++++++-------
 1 file changed, 20 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c
index 495facb885f4..8690467b3285 100644
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c
@@ -87,13 +87,13 @@ static int jpeg_v4_0_sw_init(void *handle)
 
 	/* JPEG DJPEG POISON EVENT */
 	r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
-			VCN_4_0__SRCID_DJPEG0_POISON, &adev->jpeg.inst->irq);
+			VCN_4_0__SRCID_DJPEG0_POISON, &adev->jpeg.inst->ras_poison_irq);
 	if (r)
 		return r;
 
 	/* JPEG EJPEG POISON EVENT */
 	r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
-			VCN_4_0__SRCID_EJPEG0_POISON, &adev->jpeg.inst->irq);
+			VCN_4_0__SRCID_EJPEG0_POISON, &adev->jpeg.inst->ras_poison_irq);
 	if (r)
 		return r;
 
@@ -202,7 +202,8 @@ static int jpeg_v4_0_hw_fini(void *handle)
 			RREG32_SOC15(JPEG, 0, regUVD_JRBC_STATUS))
 			jpeg_v4_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
 	}
-	amdgpu_irq_put(adev, &adev->jpeg.inst->irq, 0);
+	if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__JPEG))
+		amdgpu_irq_put(adev, &adev->jpeg.inst->ras_poison_irq, 0);
 
 	return 0;
 }
@@ -670,6 +671,14 @@ static int jpeg_v4_0_set_interrupt_state(struct amdgpu_device *adev,
 	return 0;
 }
 
+static int jpeg_v4_0_set_ras_interrupt_state(struct amdgpu_device *adev,
+					struct amdgpu_irq_src *source,
+					unsigned int type,
+					enum amdgpu_interrupt_state state)
+{
+	return 0;
+}
+
 static int jpeg_v4_0_process_interrupt(struct amdgpu_device *adev,
 				      struct amdgpu_irq_src *source,
 				      struct amdgpu_iv_entry *entry)
@@ -680,10 +689,6 @@ static int jpeg_v4_0_process_interrupt(struct amdgpu_device *adev,
 	case VCN_4_0__SRCID__JPEG_DECODE:
 		amdgpu_fence_process(adev->jpeg.inst->ring_dec);
 		break;
-	case VCN_4_0__SRCID_DJPEG0_POISON:
-	case VCN_4_0__SRCID_EJPEG0_POISON:
-		amdgpu_jpeg_process_poison_irq(adev, source, entry);
-		break;
 	default:
 		DRM_DEV_ERROR(adev->dev, "Unhandled interrupt: %d %d\n",
 			  entry->src_id, entry->src_data[0]);
@@ -753,10 +758,18 @@ static const struct amdgpu_irq_src_funcs jpeg_v4_0_irq_funcs = {
 	.process = jpeg_v4_0_process_interrupt,
 };
 
+static const struct amdgpu_irq_src_funcs jpeg_v4_0_ras_irq_funcs = {
+	.set = jpeg_v4_0_set_ras_interrupt_state,
+	.process = amdgpu_jpeg_process_poison_irq,
+};
+
 static void jpeg_v4_0_set_irq_funcs(struct amdgpu_device *adev)
 {
 	adev->jpeg.inst->irq.num_types = 1;
 	adev->jpeg.inst->irq.funcs = &jpeg_v4_0_irq_funcs;
+
+	adev->jpeg.inst->ras_poison_irq.num_types = 1;
+	adev->jpeg.inst->ras_poison_irq.funcs = &jpeg_v4_0_ras_irq_funcs;
 }
 
 const struct amdgpu_ip_block_version jpeg_v4_0_ip_block = {
-- 
2.34.1