linux-kernel - Re: [PATCH] drm/amdgpu: recleanup coding style in amdgpu

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Date:   Tue, 6 Sep 2022 11:36:28 -0400
From:   Alex Deucher <alexdeucher@...il.com>
To:     Jingyu Wang <jingyuwang_vip@....com>
Cc:     alexander.deucher@....com, christian.koenig@....com,
        Xinhui.Pan@....com, airlied@...ux.ie, daniel@...ll.ch,
        andrey.grodzovsky@....com, ray.huang@....com,
        Hawking.Zhang@....com, Likun.Gao@....com, Jack.Xiao@....com,
        len.brown@...el.com, dri-devel@...ts.freedesktop.org,
        amd-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/amdgpu: recleanup coding style in amdgpu_fence.c

On Mon, Sep 5, 2022 at 3:40 AM Jingyu Wang <jingyuwang_vip@....com> wrote:
>
> Fix everything checkpatch.pl complained about in amdgpu_fence.c,
> modified use "} else {", sent it again, thx.
>
> Signed-off-by: Jingyu Wang <jingyuwang_vip@....com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 15 +++++++++------
>  1 file changed, 9 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
> index 8adeb7469f1e..0759d86d92da 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
> @@ -1,3 +1,4 @@
> +// SPDX-License-Identifier: MIT
>  /*
>   * Copyright 2009 Jerome Glisse.
>   * All Rights Reserved.
> @@ -42,7 +43,6 @@
>  #include "amdgpu_reset.h"
>
>  /*
> - * Fences

What is the point of this change?

Alex

>   * Fences mark an event in the GPUs pipeline and are used
>   * for GPU/CPU synchronization.  When the fence is written,
>   * it is expected that all buffers associated with that fence
> @@ -139,7 +139,7 @@ static u32 amdgpu_fence_read(struct amdgpu_ring *ring)
>   * Returns 0 on success, -ENOMEM on failure.
>   */
>  int amdgpu_fence_emit(struct amdgpu_ring *ring, struct dma_fence **f, struct amdgpu_job *job,
> -                     unsigned flags)
> +                     unsigned int flags)
>  {
>         struct amdgpu_device *adev = ring->adev;
>         struct dma_fence *fence;
> @@ -173,11 +173,11 @@ int amdgpu_fence_emit(struct amdgpu_ring *ring, struct dma_fence **f, struct amd
>                                        adev->fence_context + ring->idx, seq);
>                         /* Against remove in amdgpu_job_{free, free_cb} */
>                         dma_fence_get(fence);
> -               }
> -               else
> +               } else {
>                         dma_fence_init(fence, &amdgpu_fence_ops,
>                                        &ring->fence_drv.lock,
>                                        adev->fence_context + ring->idx, seq);
> +               }
>         }
>
>         amdgpu_ring_emit_fence(ring, ring->fence_drv.gpu_addr,
> @@ -393,7 +393,7 @@ signed long amdgpu_fence_wait_polling(struct amdgpu_ring *ring,
>   * Returns the number of emitted fences on the ring.  Used by the
>   * dynpm code to ring track activity.
>   */
> -unsigned amdgpu_fence_count_emitted(struct amdgpu_ring *ring)
> +unsigned int amdgpu_fence_count_emitted(struct amdgpu_ring *ring)
>  {
>         uint64_t emitted;
>
> @@ -422,7 +422,7 @@ unsigned amdgpu_fence_count_emitted(struct amdgpu_ring *ring)
>   */
>  int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring,
>                                    struct amdgpu_irq_src *irq_src,
> -                                  unsigned irq_type)
> +                                  unsigned int irq_type)
>  {
>         struct amdgpu_device *adev = ring->adev;
>         uint64_t index;
> @@ -594,6 +594,7 @@ void amdgpu_fence_driver_hw_init(struct amdgpu_device *adev)
>
>         for (i = 0; i < AMDGPU_MAX_RINGS; i++) {
>                 struct amdgpu_ring *ring = adev->rings[i];
> +
>                 if (!ring || !ring->fence_drv.initialized)
>                         continue;
>
> @@ -772,6 +773,7 @@ static int amdgpu_debugfs_fence_info_show(struct seq_file *m, void *unused)
>
>         for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
>                 struct amdgpu_ring *ring = adev->rings[i];
> +
>                 if (!ring || !ring->fence_drv.initialized)
>                         continue;
>
> @@ -845,6 +847,7 @@ static void amdgpu_debugfs_reset_work(struct work_struct *work)
>                                                   reset_work);
>
>         struct amdgpu_reset_context reset_context;
> +
>         memset(&reset_context, 0, sizeof(reset_context));
>
>         reset_context.method = AMD_RESET_METHOD_NONE;
>
> base-commit: e47eb90a0a9ae20b82635b9b99a8d0979b757ad8
> --
> 2.34.1
>