Re: [PATCH] drm/amdgpu: Fix up missing parameter in kdoc for 'inst' in gmc_ v7, v8, v9, v10, v11.c

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On Tue, May 30, 2023 at 5:17 AM Srinivasan Shanmugam
<srinivasan.shanmugam@xxxxxxx> wrote:
>
> Fix these warnings by adding 'inst' arguments to kdocs.
>
> gcc with W=1
> drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c:428: warning: Function parameter or member 'inst' not described in 'gmc_v7_0_flush_gpu_tlb_pasid'
> drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c:626: warning: Function parameter or member 'inst' not described in 'gmc_v8_0_flush_gpu_tlb_pasid'
> drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c:423: warning: Function parameter or member 'inst' not described in 'gmc_v10_0_flush_gpu_tlb_pasid'
> drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c:328: warning: Function parameter or member 'inst' not described in 'gmc_v11_0_flush_gpu_tlb_pasid'
> drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c:950: warning: Function parameter or member 'inst' not described in 'gmc_v9_0_flush_gpu_tlb_pasid'
>
> Cc: Christian König <christian.koenig@xxxxxxx>
> Cc: Alex Deucher <alexander.deucher@xxxxxxx>
> Cc: Hawking Zhang <Hawking.Zhang@xxxxxxx>
> Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@xxxxxxx>
> ---
>  drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 1 +
>  drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c | 1 +
>  drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c  | 1 +
>  drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c  | 1 +
>  drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c  | 1 +
>  5 files changed, 5 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
> index 01bd45651382..1f9313298030 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
> @@ -414,6 +414,7 @@ static void gmc_v10_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
>   * @pasid: pasid to be flush
>   * @flush_type: the flush type
>   * @all_hub: Used with PACKET3_INVALIDATE_TLBS_ALL_HUB()
> + * @inst: is used to select which xcc's register to program

Update the documentation to something like:
+ * @inst: is used to select which instance of KIQ to use for the invalidation

With that fixed for all of these, the patch is:
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>

>   *
>   * Flush the TLB for the requested pasid.
>   */
> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
> index 4bf807d825c0..8e78bcd92b59 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
> @@ -319,6 +319,7 @@ static void gmc_v11_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
>   * @pasid: pasid to be flush
>   * @flush_type: the flush type
>   * @all_hub: flush all hubs
> + * @inst: is used to select which xcc's register to program
>   *
>   * Flush the TLB for the requested pasid.
>   */
> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
> index 6f53049619cd..4d4a6957ea00 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
> @@ -419,6 +419,7 @@ static int gmc_v7_0_mc_init(struct amdgpu_device *adev)
>   * @pasid: pasid to be flush
>   * @flush_type: type of flush
>   * @all_hub: flush all hubs
> + * @inst: is used to select which xcc's register to program
>   *
>   * Flush the TLB for the requested pasid.
>   */
> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
> index 48475077ca92..a5d47e4d0a8d 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
> @@ -617,6 +617,7 @@ static int gmc_v8_0_mc_init(struct amdgpu_device *adev)
>   * @pasid: pasid to be flush
>   * @flush_type: type of flush
>   * @all_hub: flush all hubs
> + * @inst: is used to select which xcc's register to program
>   *
>   * Flush the TLB for the requested pasid.
>   */
> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
> index be7823d82150..5200303e63de 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
> @@ -941,6 +941,7 @@ static void gmc_v9_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
>   * @pasid: pasid to be flush
>   * @flush_type: the flush type
>   * @all_hub: flush all hubs
> + * @inst: is used to select which xcc's register to program
>   *
>   * Flush the TLB for the requested pasid.
>   */
> --
> 2.25.1
>




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