Re: [PATCH 08/40] drm/amd/amdgpu/cik_sdma: Supply some missing function param descriptions

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On Mon, Nov 23, 2020 at 6:19 AM Lee Jones <lee.jones@xxxxxxxxxx> wrote:
>
> Fixes the following W=1 kernel build warning(s):
>
>  drivers/gpu/drm/amd/amdgpu/cik_sdma.c:226: warning: Function parameter or member 'job' not described in 'cik_sdma_ring_emit_ib'
>  drivers/gpu/drm/amd/amdgpu/cik_sdma.c:226: warning: Function parameter or member 'flags' not described in 'cik_sdma_ring_emit_ib'
>  drivers/gpu/drm/amd/amdgpu/cik_sdma.c:278: warning: Function parameter or member 'addr' not described in 'cik_sdma_ring_emit_fence'
>  drivers/gpu/drm/amd/amdgpu/cik_sdma.c:278: warning: Function parameter or member 'seq' not described in 'cik_sdma_ring_emit_fence'
>  drivers/gpu/drm/amd/amdgpu/cik_sdma.c:278: warning: Function parameter or member 'flags' not described in 'cik_sdma_ring_emit_fence'
>  drivers/gpu/drm/amd/amdgpu/cik_sdma.c:278: warning: Excess function parameter 'fence' description in 'cik_sdma_ring_emit_fence'
>  drivers/gpu/drm/amd/amdgpu/cik_sdma.c:663: warning: Function parameter or member 'timeout' not described in 'cik_sdma_ring_test_ib'
>  drivers/gpu/drm/amd/amdgpu/cik_sdma.c:808: warning: Function parameter or member 'ring' not described in 'cik_sdma_ring_pad_ib'
>  drivers/gpu/drm/amd/amdgpu/cik_sdma.c:859: warning: Function parameter or member 'vmid' not described in 'cik_sdma_ring_emit_vm_flush'
>  drivers/gpu/drm/amd/amdgpu/cik_sdma.c:859: warning: Function parameter or member 'pd_addr' not described in 'cik_sdma_ring_emit_vm_flush'
>  drivers/gpu/drm/amd/amdgpu/cik_sdma.c:859: warning: Excess function parameter 'vm' description in 'cik_sdma_ring_emit_vm_flush'
>  drivers/gpu/drm/amd/amdgpu/cik_sdma.c:1315: warning: Function parameter or member 'ib' not described in 'cik_sdma_emit_copy_buffer'
>  drivers/gpu/drm/amd/amdgpu/cik_sdma.c:1315: warning: Function parameter or member 'tmz' not described in 'cik_sdma_emit_copy_buffer'
>  drivers/gpu/drm/amd/amdgpu/cik_sdma.c:1315: warning: Excess function parameter 'ring' description in 'cik_sdma_emit_copy_buffer'
>  drivers/gpu/drm/amd/amdgpu/cik_sdma.c:1339: warning: Function parameter or member 'ib' not described in 'cik_sdma_emit_fill_buffer'
>  drivers/gpu/drm/amd/amdgpu/cik_sdma.c:1339: warning: Excess function parameter 'ring' description in 'cik_sdma_emit_fill_buffer'
>
> 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 changes.  Thanks!

Alex


> ---
>  drivers/gpu/drm/amd/amdgpu/cik_sdma.c | 14 +++++++++++---
>  1 file changed, 11 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
> index 1a6494ea50912..f1e9966e7244e 100644
> --- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
> +++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
> @@ -215,7 +215,9 @@ static void cik_sdma_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
>   * cik_sdma_ring_emit_ib - Schedule an IB on the DMA engine
>   *
>   * @ring: amdgpu ring pointer
> + * @job: job to retrive vmid from
>   * @ib: IB object to schedule
> + * @flags: unused
>   *
>   * Schedule an IB in the DMA ring (CIK).
>   */
> @@ -267,6 +269,8 @@ static void cik_sdma_ring_emit_hdp_flush(struct amdgpu_ring *ring)
>   * cik_sdma_ring_emit_fence - emit a fence on the DMA ring
>   *
>   * @ring: amdgpu ring pointer
> + * @addr: address
> + * @seq: sequence number
>   * @fence: amdgpu fence object
>   *
>   * Add a DMA fence packet to the ring to write
> @@ -655,6 +659,7 @@ static int cik_sdma_ring_test_ring(struct amdgpu_ring *ring)
>   * cik_sdma_ring_test_ib - test an IB on the DMA engine
>   *
>   * @ring: amdgpu_ring structure holding ring information
> + * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT
>   *
>   * Test a simple IB in the DMA ring (CIK).
>   * Returns 0 on success, error on failure.
> @@ -801,6 +806,7 @@ static void cik_sdma_vm_set_pte_pde(struct amdgpu_ib *ib, uint64_t pe,
>  /**
>   * cik_sdma_vm_pad_ib - pad the IB to the required number of dw
>   *
> + * @ring: amdgpu_ring structure holding ring information
>   * @ib: indirect buffer to fill with padding
>   *
>   */
> @@ -849,7 +855,8 @@ static void cik_sdma_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
>   * cik_sdma_ring_emit_vm_flush - cik vm flush using sDMA
>   *
>   * @ring: amdgpu_ring pointer
> - * @vm: amdgpu_vm pointer
> + * @vmid: vmid number to use
> + * @pd_addr: address
>   *
>   * Update the page table base and flush the VM TLB
>   * using sDMA (CIK).
> @@ -1298,10 +1305,11 @@ static void cik_sdma_set_irq_funcs(struct amdgpu_device *adev)
>  /**
>   * cik_sdma_emit_copy_buffer - copy buffer using the sDMA engine
>   *
> - * @ring: amdgpu_ring structure holding ring information
> + * @ib: indirect buffer to copy to
>   * @src_offset: src GPU address
>   * @dst_offset: dst GPU address
>   * @byte_count: number of bytes to xfer
> + * @tmz: unused
>   *
>   * Copy GPU buffers using the DMA engine (CIK).
>   * Used by the amdgpu ttm implementation to move pages if
> @@ -1325,7 +1333,7 @@ static void cik_sdma_emit_copy_buffer(struct amdgpu_ib *ib,
>  /**
>   * cik_sdma_emit_fill_buffer - fill buffer using the sDMA engine
>   *
> - * @ring: amdgpu_ring structure holding ring information
> + * @ib: indirect buffer to fill
>   * @src_data: value to write to buffer
>   * @dst_offset: dst GPU address
>   * @byte_count: number of bytes to xfer
> --
> 2.25.1
>
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