Separate vcn RAS poison consumption handling from the instance irq, and
register dedicated ras_poison_irq src and funcs for UVD_POISON.

v2:
- Separate ras irq from vcn instance irq
- Improve the subject and code comments

v3:
- Split the patch into three parts
- Improve the code comments

Suggested-by: Hawking Zhang <[email protected]>
Signed-off-by: Horatio Zhang <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 27 ++++++++++++++++++++++++-
 drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h |  3 +++
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index 06ec2dc55857..38f6ba281853 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -1189,6 +1189,31 @@ int amdgpu_vcn_process_poison_irq(struct amdgpu_device 
*adev,
        return 0;
 }
 
+int amdgpu_vcn_ras_late_init(struct amdgpu_device *adev, struct ras_common_if 
*ras_block)
+{
+       int r, i;
+
+       r = amdgpu_ras_block_late_init(adev, ras_block);
+       if (r)
+               return r;
+
+       if (amdgpu_ras_is_supported(adev, ras_block->block)) {
+               for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
+                       if (adev->vcn.harvest_config & (1 << i))
+                               continue;
+
+                       r = amdgpu_irq_get(adev, 
&adev->vcn.inst[i].ras_poison_irq, 0);
+                       if (r)
+                               goto late_fini;
+               }
+       }
+       return 0;
+
+late_fini:
+       amdgpu_ras_block_late_fini(adev, ras_block);
+       return r;
+}
+
 int amdgpu_vcn_ras_sw_init(struct amdgpu_device *adev)
 {
        int err;
@@ -1210,7 +1235,7 @@ int amdgpu_vcn_ras_sw_init(struct amdgpu_device *adev)
        adev->vcn.ras_if = &ras->ras_block.ras_comm;
 
        if (!ras->ras_block.ras_late_init)
-               ras->ras_block.ras_late_init = amdgpu_ras_block_late_init;
+               ras->ras_block.ras_late_init = amdgpu_vcn_ras_late_init;
 
        return 0;
 }
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
index 1eb9ccd1d83d..92d5534df5f4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
@@ -239,6 +239,7 @@ struct amdgpu_vcn_inst {
        struct amdgpu_ring      ring_enc[AMDGPU_VCN_MAX_ENC_RINGS];
        atomic_t                sched_score;
        struct amdgpu_irq_src   irq;
+       struct amdgpu_irq_src   ras_poison_irq;
        struct amdgpu_vcn_reg   external;
        struct amdgpu_bo        *dpg_sram_bo;
        struct dpg_pause_state  pause_state;
@@ -409,6 +410,8 @@ void amdgpu_debugfs_vcn_fwlog_init(struct amdgpu_device 
*adev,
 int amdgpu_vcn_process_poison_irq(struct amdgpu_device *adev,
                        struct amdgpu_irq_src *source,
                        struct amdgpu_iv_entry *entry);
+int amdgpu_vcn_ras_late_init(struct amdgpu_device *adev,
+                       struct ras_common_if *ras_block);
 int amdgpu_vcn_ras_sw_init(struct amdgpu_device *adev);
 
 #endif
-- 
2.34.1

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