drm/amdgpu:implement ctx query2

this query will give flag bits to indicate what happend
on the given context

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

1 files changed, 37 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
index c539fb6a597e..d71dc164b469 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
@@ -227,6 +227,40 @@ static int amdgpu_ctx_query(struct amdgpu_device *adev,
         return 0;
 }
 
+static int amdgpu_ctx_query2(struct amdgpu_device *adev,
+        struct amdgpu_fpriv *fpriv, uint32_t id,
+        union drm_amdgpu_ctx_out *out)
+{
+        struct amdgpu_ctx *ctx;
+        struct amdgpu_ctx_mgr *mgr;
+
+        if (!fpriv)
+                return -EINVAL;
+
+        mgr = &fpriv->ctx_mgr;
+        mutex_lock(&mgr->lock);
+        ctx = idr_find(&mgr->ctx_handles, id);
+        if (!ctx) {
+                mutex_unlock(&mgr->lock);
+                return -EINVAL;
+        }
+
+        out->state.flags = 0x0;
+        out->state.hangs = 0x0;
+
+        if (ctx->reset_counter != atomic_read(&adev->gpu_reset_counter))
+                out->state.flags |= AMDGPU_CTX_QUERY2_FLAGS_RESET;
+
+        if (ctx->vram_lost_counter != atomic_read(&adev->vram_lost_counter))
+                out->state.flags |= AMDGPU_CTX_QUERY2_FLAGS_VRAMLOST;
+
+        if (atomic_read(&ctx->guilty))
+                out->state.flags |= AMDGPU_CTX_QUERY2_FLAGS_GUILTY;
+
+        mutex_unlock(&mgr->lock);
+        return 0;
+}
+
 int amdgpu_ctx_ioctl(struct drm_device *dev, void *data,
                      struct drm_file *filp)
 {
@@ -258,6 +292,9 @@ int amdgpu_ctx_ioctl(struct drm_device *dev, void *data,
         case AMDGPU_CTX_OP_QUERY_STATE:
                 r = amdgpu_ctx_query(adev, fpriv, id, &args->out);
                 break;
+        case AMDGPU_CTX_OP_QUERY_STATE2:
+                r = amdgpu_ctx_query2(adev, fpriv, id, &args->out);
+                break;
         default:
                 return -EINVAL;
         }