From: Daniel Vetter <daniel@ffwll.ch>
To: Shiwu Zhang <shiwu.zhang@amd.com>
Cc: christian.koenig@amd.com, dri-devel@lists.freedesktop.org
Subject: Re: [PATCH v2] drm/ttm: fix error handling if no BO can be swapped out
Date: Thu, 22 Apr 2021 11:52:04 +0200 [thread overview]
Message-ID: <YIFHRJvFwe3flG6D@phenom.ffwll.local> (raw)
In-Reply-To: <20210422083749.11686-1-shiwu.zhang@amd.com>
On Thu, Apr 22, 2021 at 04:37:49PM +0800, Shiwu Zhang wrote:
> Signed-off-by: Shiwu Zhang <shiwu.zhang@amd.com>
Cc: stable@vger.kernel.org or at least Fixes: tag?
Zero length commit message for something that claims to be a bugfix is
probably too short :-)
-Daniel
> ---
> drivers/gpu/drm/ttm/ttm_device.c | 2 +-
> drivers/gpu/drm/ttm/ttm_tt.c | 2 ++
> 2 files changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/ttm/ttm_device.c b/drivers/gpu/drm/ttm/ttm_device.c
> index 1f2024164d72..5dc92b056f0a 100644
> --- a/drivers/gpu/drm/ttm/ttm_device.c
> +++ b/drivers/gpu/drm/ttm/ttm_device.c
> @@ -112,7 +112,7 @@ int ttm_global_swapout(struct ttm_operation_ctx *ctx, gfp_t gfp_flags)
> {
> struct ttm_global *glob = &ttm_glob;
> struct ttm_device *bdev;
> - int ret = -EBUSY;
> + int ret = 0;
>
> mutex_lock(&ttm_global_mutex);
> list_for_each_entry(bdev, &glob->device_list, device_list) {
> diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
> index 48c407cff112..539e0232cb3b 100644
> --- a/drivers/gpu/drm/ttm/ttm_tt.c
> +++ b/drivers/gpu/drm/ttm/ttm_tt.c
> @@ -329,6 +329,8 @@ int ttm_tt_populate(struct ttm_device *bdev,
> ttm_dma32_pages_limit) {
>
> ret = ttm_global_swapout(ctx, GFP_KERNEL);
> + if (ret == 0)
> + break;
> if (ret < 0)
> goto error;
> }
> --
> 2.17.1
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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next prev parent reply other threads:[~2021-04-22 9:52 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-22 8:37 [PATCH v2] drm/ttm: fix error handling if no BO can be swapped out Shiwu Zhang
2021-04-22 9:21 ` Christian König
2021-04-22 10:24 ` Zhang, Morris
2021-04-22 9:52 ` Daniel Vetter [this message]
2021-04-22 11:05 ` Christian König
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