Date:   Mon, 30 Nov 2020 17:37:38 -0500
From:   Alex Deucher <alexdeucher@...il.com>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     David Airlie <airlied@...ux.ie>,
        LKML <linux-kernel@...r.kernel.org>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        Christian König <christian.koenig@....com>,
        "moderated list:DMA BUFFER SHARING FRAMEWORK" 
        <linaro-mm-sig@...ts.linaro.org>,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>,
        Alex Deucher <alexander.deucher@....com>,
        linux-media <linux-media@...r.kernel.org>
Subject: Re: [PATCH 26/40] drm/amd/amdgpu/uvd_v6_0: Fix a bunch of kernel-doc
 function documentation issues

On Tue, Nov 24, 2020 at 2:44 PM Lee Jones <lee.jones@...aro.org> wrote:
>
> Fixes the following W=1 kernel build warning(s):
>
>  drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c:211: warning: Function parameter or member 'bo' not described in 'uvd_v6_0_enc_get_create_msg'
>  drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c:211: warning: Excess function parameter 'adev' description in 'uvd_v6_0_enc_get_create_msg'
>  drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c:275: warning: Function parameter or member 'bo' not described in 'uvd_v6_0_enc_get_destroy_msg'
>  drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c:275: warning: Excess function parameter 'adev' description in 'uvd_v6_0_enc_get_destroy_msg'
>  drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c:332: warning: Function parameter or member 'timeout' not described in 'uvd_v6_0_enc_ring_test_ib'
>  drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c:472: warning: Function parameter or member 'handle' not described in 'uvd_v6_0_hw_init'
>  drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c:472: warning: Excess function parameter 'adev' description in 'uvd_v6_0_hw_init'
>  drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c:541: warning: Function parameter or member 'handle' not described in 'uvd_v6_0_hw_fini'
>  drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c:541: warning: Excess function parameter 'adev' description in 'uvd_v6_0_hw_fini'
>  drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c:900: warning: Function parameter or member 'addr' not described in 'uvd_v6_0_ring_emit_fence'
>  drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c:900: warning: Function parameter or member 'seq' not described in 'uvd_v6_0_ring_emit_fence'
>  drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c:900: warning: Function parameter or member 'flags' not described in 'uvd_v6_0_ring_emit_fence'
>  drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c:900: warning: Excess function parameter 'fence' description in 'uvd_v6_0_ring_emit_fence'
>  drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c:930: warning: Function parameter or member 'addr' not described in 'uvd_v6_0_enc_ring_emit_fence'
>  drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c:930: warning: Function parameter or member 'seq' not described in 'uvd_v6_0_enc_ring_emit_fence'
>  drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c:930: warning: Function parameter or member 'flags' not described in 'uvd_v6_0_enc_ring_emit_fence'
>  drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c:930: warning: Excess function parameter 'fence' description in 'uvd_v6_0_enc_ring_emit_fence'
>  drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c:997: warning: Function parameter or member 'job' not described in 'uvd_v6_0_ring_emit_ib'
>  drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c:997: warning: Function parameter or member 'flags' not described in 'uvd_v6_0_ring_emit_ib'
>  drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c:1023: warning: Function parameter or member 'job' not described in 'uvd_v6_0_enc_ring_emit_ib'
>  drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c:1023: warning: Function parameter or member 'flags' not described in 'uvd_v6_0_enc_ring_emit_ib'
>
> Cc: Alex Deucher <alexander.deucher@....com>
> Cc: "Christian König" <christian.koenig@....com>
> Cc: David Airlie <airlied@...ux.ie>
> Cc: Daniel Vetter <daniel@...ll.ch>
> Cc: Sumit Semwal <sumit.semwal@...aro.org>
> Cc: amd-gfx@...ts.freedesktop.org
> Cc: dri-devel@...ts.freedesktop.org
> Cc: linux-media@...r.kernel.org
> Cc: linaro-mm-sig@...ts.linaro.org
> Signed-off-by: Lee Jones <lee.jones@...aro.org>

Applied with minor fixes.  Thanks!

Alex

> ---
>  drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c | 21 +++++++++++++++------
>  1 file changed, 15 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
> index 666bfa4a0b8ea..69cf7edf4cc61 100644
> --- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
> @@ -198,9 +198,9 @@ static int uvd_v6_0_enc_ring_test_ring(struct amdgpu_ring *ring)
>  /**
>   * uvd_v6_0_enc_get_create_msg - generate a UVD ENC create msg
>   *
> - * @adev: amdgpu_device pointer
>   * @ring: ring we should submit the msg to
>   * @handle: 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
> @@ -261,9 +261,9 @@ static int uvd_v6_0_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t handle
>  /**
>   * uvd_v6_0_enc_get_destroy_msg - generate a UVD ENC destroy msg
>   *
> - * @adev: amdgpu_device pointer
>   * @ring: ring we should submit the msg to
>   * @handle: session handle to use
> + * @bo: amdgpu object for which we query the offset
>   * @fence: optional fence to return
>   *
>   * Close up a stream for HW test or if userspace failed to do so
> @@ -326,6 +326,7 @@ static int uvd_v6_0_enc_get_destroy_msg(struct amdgpu_ring *ring,
>   * uvd_v6_0_enc_ring_test_ib - test if UVD ENC IBs are working
>   *
>   * @ring: the engine to test on
> + * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT
>   *
>   */
>  static int uvd_v6_0_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout)
> @@ -464,7 +465,7 @@ static int uvd_v6_0_sw_fini(void *handle)
>  /**
>   * uvd_v6_0_hw_init - start and test UVD block
>   *
> - * @adev: amdgpu_device pointer
> + * @handle: handle used to pass amdgpu_device pointer
>   *
>   * Initialize the hardware, boot up the VCPU and do some testing
>   */
> @@ -533,7 +534,7 @@ static int uvd_v6_0_hw_init(void *handle)
>  /**
>   * uvd_v6_0_hw_fini - stop the hardware block
>   *
> - * @adev: amdgpu_device pointer
> + * @handle: handle used to pass amdgpu_device pointer
>   *
>   * Stop the UVD block, mark ring as not ready any more
>   */
> @@ -891,7 +892,9 @@ static void uvd_v6_0_stop(struct amdgpu_device *adev)
>   * uvd_v6_0_ring_emit_fence - emit an fence & trap command
>   *
>   * @ring: amdgpu_ring pointer
> - * @fence: fence to emit
> + * @addr: address
> + * @seq: sequence number
> + * @flags: fence related flags
>   *
>   * Write a fence and a trap command to the ring.
>   */
> @@ -921,7 +924,9 @@ static void uvd_v6_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq
>   * uvd_v6_0_enc_ring_emit_fence - emit an enc fence & trap command
>   *
>   * @ring: amdgpu_ring pointer
> - * @fence: fence to emit
> + * @addr: address
> + * @seq: sequence number
> + * @flags: fence related flags
>   *
>   * Write enc a fence and a trap command to the ring.
>   */
> @@ -986,7 +991,9 @@ static int uvd_v6_0_ring_test_ring(struct amdgpu_ring *ring)
>   * uvd_v6_0_ring_emit_ib - execute indirect buffer
>   *
>   * @ring: amdgpu_ring pointer
> + * @job: job to retrive vmid from
>   * @ib: indirect buffer to execute
> + * @flags: unused
>   *
>   * Write ring commands to execute the indirect buffer
>   */
> @@ -1012,7 +1019,9 @@ static void uvd_v6_0_ring_emit_ib(struct amdgpu_ring *ring,
>   * uvd_v6_0_enc_ring_emit_ib - enc execute indirect buffer
>   *
>   * @ring: amdgpu_ring pointer
> + * @job: job to retrive vmid from
>   * @ib: indirect buffer to execute
> + * @flags: unused
>   *
>   * Write enc ring commands to execute the indirect buffer
>   */
> --
> 2.25.1
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

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