drm/amdgpu: use dev_dbg instead of dev_err in the VA IOCTL

Userspace buggy userspace can spam the logs.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c

@@ -558,7 +558,7 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
 	int r = 0;
 
 	if (args->va_address < AMDGPU_VA_RESERVED_SIZE) {
-		dev_err(&dev->pdev->dev,
+		dev_dbg(&dev->pdev->dev,
 			"va_address 0x%LX is in reserved area 0x%LX\n",
 			args->va_address, AMDGPU_VA_RESERVED_SIZE);
 		return -EINVAL;
@@ -576,7 +576,7 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
 	args->va_address &= AMDGPU_VA_HOLE_MASK;
 
 	if ((args->flags & ~valid_flags) && (args->flags & ~prt_flags)) {
-		dev_err(&dev->pdev->dev, "invalid flags combination 0x%08X\n",
+		dev_dbg(&dev->pdev->dev, "invalid flags combination 0x%08X\n",
 			args->flags);
 		return -EINVAL;
 	}
@@ -588,7 +588,7 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
 	case AMDGPU_VA_OP_REPLACE:
 		break;
 	default:
-		dev_err(&dev->pdev->dev, "unsupported operation %d\n",
+		dev_dbg(&dev->pdev->dev, "unsupported operation %d\n",
 			args->operation);
 		return -EINVAL;
 	}