[PATCH] amdgpu: Query uvd handles info

[Christian König]

Am 30.04.19 um 12:51 schrieb Sahu, Satyajit:
> Query the max uvd handles and used uvd handles.

NAK, please use the generic amdgpu_query_info() function for this.

Regards,
Christian.

>
> Signed-off-by: Satyajit Sahu <satyajit.sahu at amd.com>
> ---
>   amdgpu/amdgpu.h          | 14 ++++++++++++++
>   amdgpu/amdgpu_gpu_info.c | 15 +++++++++++++++
>   2 files changed, 29 insertions(+)
>
> diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h
> index c44a495a..407b5fae 100644
> --- a/amdgpu/amdgpu.h
> +++ b/amdgpu/amdgpu.h
> @@ -1174,6 +1174,20 @@ int amdgpu_query_gpu_info(amdgpu_device_handle dev,
>   int amdgpu_query_info(amdgpu_device_handle dev, unsigned info_id,
>   		      unsigned size, void *value);
>   
> +/**
> + * Query uvd handles info.
> + *
> + *
> + * \param   dev     - \c [in] Device handle. See #amdgpu_device_initialize()
> + * \param   size    - \c [in] Size of the returned value.
> + * \param   value   - \c [out] Pointer to the return value.
> + *
> + * \return   0 on success\n
> + *          <0 - Negative POSIX error code
> + *
> +*/
> +int amdgpu_query_uvd_handles(amdgpu_device_handle dev,
> +                      unsigned size, void *value);
>   /**
>    * Query hardware or driver information.
>    *
> diff --git a/amdgpu/amdgpu_gpu_info.c b/amdgpu/amdgpu_gpu_info.c
> index 777087f2..253c4da7 100644
> --- a/amdgpu/amdgpu_gpu_info.c
> +++ b/amdgpu/amdgpu_gpu_info.c
> @@ -44,6 +44,21 @@ drm_public int amdgpu_query_info(amdgpu_device_handle dev, unsigned info_id,
>   			       sizeof(struct drm_amdgpu_info));
>   }
>   
> +drm_public int amdgpu_query_uvd_handles(amdgpu_device_handle dev,
> +                                        unsigned size, void *value)
> +{
> +	struct drm_amdgpu_info request;
> +
> +	memset(&request, 0, sizeof(request));
> +	request.return_pointer = (uintptr_t)value;
> +	request.return_size = size;
> +	request.query = AMDGPU_INFO_NUM_HANDLES;
> +	request.query_hw_ip.type = AMDGPU_HW_IP_UVD;
> +
> +	return drmCommandWrite(dev->fd, DRM_AMDGPU_INFO, &request,
> +			       sizeof(struct drm_amdgpu_info));
> +}
> +
>   drm_public int amdgpu_query_crtc_from_id(amdgpu_device_handle dev, unsigned id,
>   					 int32_t *result)
>   {