linux-kernel - Re: [PATCH v1] drm/virtio: Fix type of dma-fence context variable

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Message-ID: <9cd3aa9e-765d-41fc-b9ee-a683656bd7a1@collabora.com>
Date: Wed, 24 Jul 2024 20:45:55 +0300
From: Dmitry Osipenko <dmitry.osipenko@...labora.com>
To: David Airlie <airlied@...hat.com>, Gerd Hoffmann <kraxel@...hat.com>,
 Gurchetan Singh <gurchetansingh@...omium.org>, Chia-I Wu
 <olvaffe@...il.com>, Rob Clark <robdclark@...il.com>,
 Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@....com>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
 kernel@...labora.com
Subject: Re: [PATCH v1] drm/virtio: Fix type of dma-fence context variable

On 7/14/24 23:50, Dmitry Osipenko wrote:
> Type of DMA fence context is u64. Fence-waiting code uses u32 for the
> context variable, fix it.
> 
> Fixes: e4812ab8e6b1 ("drm/virtio: Refactor and optimize job submission code path")
> Cc: <stable@...r.kernel.org> # v6.4+
> Signed-off-by: Dmitry Osipenko <dmitry.osipenko@...labora.com>
> ---
>  drivers/gpu/drm/virtio/virtgpu_submit.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/virtio/virtgpu_submit.c b/drivers/gpu/drm/virtio/virtgpu_submit.c
> index 1c7c7f61a222..7d34cf83f5f2 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_submit.c
> +++ b/drivers/gpu/drm/virtio/virtgpu_submit.c
> @@ -48,7 +48,7 @@ struct virtio_gpu_submit {
>  static int virtio_gpu_do_fence_wait(struct virtio_gpu_submit *submit,
>  				    struct dma_fence *in_fence)
>  {
> -	u32 context = submit->fence_ctx + submit->ring_idx;
> +	u64 context = submit->fence_ctx + submit->ring_idx;
>  
>  	if (dma_fence_match_context(in_fence, context))
>  		return 0;

Applied to misc-fixes

-- 
Best regards,
Dmitry