drm/amdgpu: add amdgpu_irq_gpu_reset_resume_helper

irq need to update when gpu reset happens.

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
index 835a3fa8d8df..278708f5a744 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
@@ -383,6 +383,18 @@ int amdgpu_irq_update(struct amdgpu_device *adev,
         return r;
 }
 
+void amdgpu_irq_gpu_reset_resume_helper(struct amdgpu_device *adev)
+{
+        int i, j;
+        for (i = 0; i < AMDGPU_MAX_IRQ_SRC_ID; i++) {
+                struct amdgpu_irq_src *src = adev->irq.sources[i];
+                if (!src)
+                        continue;
+                for (j = 0; j < src->num_types; j++)
+                        amdgpu_irq_update(adev, src, j);
+        }
+}
+
 /**
  * amdgpu_irq_get - enable interrupt
  *