Re: [PATCH 25/40] drm/amd/amdgpu/amdgpu_vce: Provide some missing and repair other function params

[Alex Deucher]

On Tue, Nov 24, 2020 at 2:45 PM Lee Jones <lee.jones@xxxxxxxxxx> wrote:
>
> Fixes the following W=1 kernel build warning(s):
>
>  drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c:97: warning: Function parameter or member 'size' not described in 'amdgpu_vce_sw_init'
>  drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c:441: warning: Function parameter or member 'bo' not described in 'amdgpu_vce_get_create_msg'
>  drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c:441: warning: Excess function parameter 'adev' description in 'amdgpu_vce_get_create_msg'
>  drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c:521: warning: Function parameter or member 'direct' not described in 'amdgpu_vce_get_destroy_msg'
>  drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c:521: warning: Excess function parameter 'adev' description in 'amdgpu_vce_get_destroy_msg'
>  drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c:588: warning: Function parameter or member 'ib_idx' not described in 'amdgpu_vce_validate_bo'
>  drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c:636: warning: Function parameter or member 'ib_idx' not described in 'amdgpu_vce_cs_reloc'
>  drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c:636: warning: Function parameter or member 'index' not described in 'amdgpu_vce_cs_reloc'
>  drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c:720: warning: Function parameter or member 'ib_idx' not described in 'amdgpu_vce_ring_parse_cs'
>  drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c:956: warning: Function parameter or member 'ib_idx' not described in 'amdgpu_vce_ring_parse_cs_vm'
>  drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c:1050: warning: Function parameter or member 'job' not described in 'amdgpu_vce_ring_emit_ib'
>  drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c:1050: warning: Function parameter or member 'flags' not described in 'amdgpu_vce_ring_emit_ib'
>  drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c:1066: warning: Function parameter or member 'addr' not described in 'amdgpu_vce_ring_emit_fence'
>  drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c:1066: warning: Function parameter or member 'seq' not described in 'amdgpu_vce_ring_emit_fence'
>  drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c:1066: warning: Function parameter or member 'flags' not described in 'amdgpu_vce_ring_emit_fence'
>  drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c:1066: warning: Excess function parameter 'fence' description in 'amdgpu_vce_ring_emit_fence'
>  drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c:1122: warning: Function parameter or member 'timeout' not described in 'amdgpu_vce_ring_test_ib'
>
> Cc: Alex Deucher <alexander.deucher@xxxxxxx>
> Cc: "Christian König" <christian.koenig@xxxxxxx>
> Cc: David Airlie <airlied@xxxxxxxx>
> Cc: Daniel Vetter <daniel@xxxxxxxx>
> Cc: Sumit Semwal <sumit.semwal@xxxxxxxxxx>
> Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> Cc: linux-media@xxxxxxxxxxxxxxx
> Cc: linaro-mm-sig@xxxxxxxxxxxxxxxx
> Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>

Applied with minor fixes.  Thanks!

Alex

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c | 19 ++++++++++++++-----
>  1 file changed, 14 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
> index ecaa2d7483b20..1d8db318b0758 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
> @@ -90,6 +90,7 @@ static int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
>   * amdgpu_vce_init - allocate memory, load vce firmware
>   *
>   * @adev: amdgpu_device pointer
> + * @size: size for the new BO
>   *
>   * First step to get VCE online, allocate memory and load the firmware
>   */
> @@ -428,9 +429,9 @@ void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp)
>  /**
>   * amdgpu_vce_get_create_msg - generate a VCE create msg
>   *
> - * @adev: amdgpu_device pointer
>   * @ring: ring we should submit the msg to
>   * @handle: VCE session handle to use
> + * @bo: amdgpu object for which we query the offset
>   * @fence: optional fence to return
>   *
>   * Open up a stream for HW test
> @@ -509,9 +510,9 @@ static int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
>  /**
>   * amdgpu_vce_get_destroy_msg - generate a VCE destroy msg
>   *
> - * @adev: amdgpu_device pointer
>   * @ring: ring we should submit the msg to
>   * @handle: VCE session handle to use
> + * @direct: direct or delayed pool
>   * @fence: optional fence to return
>   *
>   * Close up a stream for HW test or if userspace failed to do so
> @@ -576,6 +577,7 @@ static int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
>   * amdgpu_vce_cs_validate_bo - make sure not to cross 4GB boundary
>   *
>   * @p: parser context
> + * @ib_idx: indirect buffer to use
>   * @lo: address of lower dword
>   * @hi: address of higher dword
>   * @size: minimum size
> @@ -625,9 +627,11 @@ static int amdgpu_vce_validate_bo(struct amdgpu_cs_parser *p, uint32_t ib_idx,
>   * amdgpu_vce_cs_reloc - command submission relocation
>   *
>   * @p: parser context
> + * @ib_idx: indirect buffer to use
>   * @lo: address of lower dword
>   * @hi: address of higher dword
>   * @size: minimum size
> + * @index: bs/fb index
>   *
>   * Patch relocation inside command stream with real buffer address
>   */
> @@ -714,7 +718,7 @@ static int amdgpu_vce_validate_handle(struct amdgpu_cs_parser *p,
>   * amdgpu_vce_cs_parse - parse and validate the command stream
>   *
>   * @p: parser context
> - *
> + * @ib_idx: indirect buffer to use
>   */
>  int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, uint32_t ib_idx)
>  {
> @@ -950,7 +954,7 @@ int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, uint32_t ib_idx)
>   * amdgpu_vce_cs_parse_vm - parse the command stream in VM mode
>   *
>   * @p: parser context
> - *
> + * @ib_idx: indirect buffer to use
>   */
>  int amdgpu_vce_ring_parse_cs_vm(struct amdgpu_cs_parser *p, uint32_t ib_idx)
>  {
> @@ -1040,7 +1044,9 @@ int amdgpu_vce_ring_parse_cs_vm(struct amdgpu_cs_parser *p, uint32_t ib_idx)
>   * amdgpu_vce_ring_emit_ib - execute indirect buffer
>   *
>   * @ring: engine to use
> + * @job: job to retrive vmid from
>   * @ib: the IB to execute
> + * @flags: unused
>   *
>   */
>  void amdgpu_vce_ring_emit_ib(struct amdgpu_ring *ring,
> @@ -1058,7 +1064,9 @@ void amdgpu_vce_ring_emit_ib(struct amdgpu_ring *ring,
>   * amdgpu_vce_ring_emit_fence - add a fence command to the ring
>   *
>   * @ring: engine to use
> - * @fence: the fence
> + * @addr: address
> + * @seq: sequence number
> + * @flags: fence related flags
>   *
>   */
>  void amdgpu_vce_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
> @@ -1116,6 +1124,7 @@ int amdgpu_vce_ring_test_ring(struct amdgpu_ring *ring)
>   * amdgpu_vce_ring_test_ib - test if VCE IBs are working
>   *
>   * @ring: the engine to test on
> + * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT
>   *
>   */
>  int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring, long timeout)
> --
> 2.25.1
>
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