From: "Stanley.Yang" <stanley.y...@amd.com>

[ Upstream commit a32c6f7f5737cc7e31cd7ad5133f0d96fca12ea6 ]

The ecc_irq is disabled while GPU mode2 reset suspending process,
but not be enabled during GPU mode2 reset resume process.

Changed from V1:
        only do sdma/gfx ras_late_init in aldebaran_mode2_restore_ip
        delete amdgpu_ras_late_resume function

Changed from V2:
        check umc ras supported before put ecc_irq

Signed-off-by: Stanley.Yang <stanley.y...@amd.com>
Reviewed-by: Tao Zhou <tao.zh...@amd.com>
Reviewed-by: Hawking Zhang <hawking.zh...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/gpu/drm/amd/amdgpu/aldebaran.c | 26 +++++++++++++++++++++++++-
 drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c |  4 ++++
 drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c |  5 +++++
 drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c  |  4 ++++
 4 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/aldebaran.c 
b/drivers/gpu/drm/amd/amdgpu/aldebaran.c
index 2b97b8a96fb4..fa6193535d48 100644
--- a/drivers/gpu/drm/amd/amdgpu/aldebaran.c
+++ b/drivers/gpu/drm/amd/amdgpu/aldebaran.c
@@ -333,6 +333,7 @@ aldebaran_mode2_restore_hwcontext(struct 
amdgpu_reset_control *reset_ctl,
 {
        struct list_head *reset_device_list = reset_context->reset_device_list;
        struct amdgpu_device *tmp_adev = NULL;
+       struct amdgpu_ras *con;
        int r;
 
        if (reset_device_list == NULL)
@@ -358,7 +359,30 @@ aldebaran_mode2_restore_hwcontext(struct 
amdgpu_reset_control *reset_ctl,
                 */
                amdgpu_register_gpu_instance(tmp_adev);
 
-               /* Resume RAS */
+               /* Resume RAS, ecc_irq */
+               con = amdgpu_ras_get_context(tmp_adev);
+               if (!amdgpu_sriov_vf(tmp_adev) && con) {
+                       if (tmp_adev->sdma.ras &&
+                               tmp_adev->sdma.ras->ras_block.ras_late_init) {
+                               r = 
tmp_adev->sdma.ras->ras_block.ras_late_init(tmp_adev,
+                                               
&tmp_adev->sdma.ras->ras_block.ras_comm);
+                               if (r) {
+                                       dev_err(tmp_adev->dev, "SDMA failed to 
execute ras_late_init! ret:%d\n", r);
+                                       goto end;
+                               }
+                       }
+
+                       if (tmp_adev->gfx.ras &&
+                               tmp_adev->gfx.ras->ras_block.ras_late_init) {
+                               r = 
tmp_adev->gfx.ras->ras_block.ras_late_init(tmp_adev,
+                                               
&tmp_adev->gfx.ras->ras_block.ras_comm);
+                               if (r) {
+                                       dev_err(tmp_adev->dev, "GFX failed to 
execute ras_late_init! ret:%d\n", r);
+                                       goto end;
+                               }
+                       }
+               }
+
                amdgpu_ras_resume(tmp_adev);
 
                /* Update PSP FW topology after reset */
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c 
b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index d96ee48e1706..35921b41fc27 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
@@ -1144,6 +1144,10 @@ static int gmc_v10_0_hw_fini(void *handle)
 
        amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
 
+       if (adev->gmc.ecc_irq.funcs &&
+               amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__UMC))
+               amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0);
+
        return 0;
 }
 
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c 
b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
index 7124347d2b6c..310a5607d83b 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
@@ -951,6 +951,11 @@ static int gmc_v11_0_hw_fini(void *handle)
        }
 
        amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
+
+       if (adev->gmc.ecc_irq.funcs &&
+               amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__UMC))
+               amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0);
+
        gmc_v11_0_gart_disable(adev);
 
        return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c 
b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 0d9e9d9dd4a1..409e3aa018f2 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -1900,6 +1900,10 @@ static int gmc_v9_0_hw_fini(void *handle)
 
        amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
 
+       if (adev->gmc.ecc_irq.funcs &&
+               amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__UMC))
+               amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0);
+
        return 0;
 }
 
-- 
2.43.0

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