[PATCH 1/3] drm/amd: Add get_fw_version to kfd-->kgd interface

[Oded Gabbay]

This should be [PATCH v2 x/3] for all three patches.
Sorry.

	Oded

On 12/14/2014 02:29 PM, Oded Gabbay wrote:
> This patch adds a new interface to the kfd-->kgd interface.
> The new interface function retrieves the firmware version that is currently in
> use by the MEC engine. The firmware was uploaded to the MEC engine by the kgd
> (radeon).
>
> v2: Added parameter of engine type to interface function
>
> Signed-off-by: Oded Gabbay <oded.gabbay at amd.com>
> ---
>   drivers/gpu/drm/amd/include/kgd_kfd_interface.h | 15 +++++++++++++++
>   1 file changed, 15 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
> index 9c729dd..47b5519 100644
> --- a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
> +++ b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
> @@ -45,6 +45,17 @@ enum kgd_memory_pool {
>   	KGD_POOL_FRAMEBUFFER = 3,
>   };
>
> +enum kgd_engine_type {
> +	KGD_ENGINE_PFP = 1,
> +	KGD_ENGINE_ME,
> +	KGD_ENGINE_CE,
> +	KGD_ENGINE_MEC1,
> +	KGD_ENGINE_MEC2,
> +	KGD_ENGINE_RLC,
> +	KGD_ENGINE_SDMA,
> +	KGD_ENGINE_MAX
> +};
> +
>   struct kgd2kfd_shared_resources {
>   	/* Bit n == 1 means VMID n is available for KFD. */
>   	unsigned int compute_vmid_bitmap;
> @@ -137,6 +148,8 @@ struct kgd2kfd_calls {
>    *
>    * @hqd_destroy: Destructs and preempts the queue assigned to that hqd slot.
>    *
> + * @get_fw_version: Returns FW versions from the header
> + *
>    * This structure contains function pointers to services that the kgd driver
>    * provides to amdkfd driver.
>    *
> @@ -176,6 +189,8 @@ struct kfd2kgd_calls {
>   	int (*hqd_destroy)(struct kgd_dev *kgd, uint32_t reset_type,
>   				unsigned int timeout, uint32_t pipe_id,
>   				uint32_t queue_id);
> +	uint16_t (*get_fw_version)(struct kgd_dev *kgd,
> +				enum kgd_engine_type type);
>   };
>
>   bool kgd2kfd_init(unsigned interface_version,
>