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From: Thomas Zimmermann <tzimmermann@suse.de>
To: oushixiong1025@163.com, "Christian König" <christian.koenig@amd.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Maxime Ripard <mripard@kernel.org>,
	David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
	Sean Paul <sean@poorly.run>,
	Jocelyn Falempe <jfalempe@redhat.com>,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	Shixiong Ou <oushixiong@kylinos.cn>
Subject: Re: [PATCH v5 RESEND 3/3] drm/udl: use DRM_GEM_SHMEM_DRIVER_OPS_NO_MAP_SGT
Date: Mon, 26 May 2025 15:57:31 +0200	[thread overview]
Message-ID: <ee9ca879-4bb7-4339-b827-78eb2d46a97f@suse.de> (raw)
In-Reply-To: <20250522070714.439824-3-oushixiong1025@163.com>



Am 22.05.25 um 09:07 schrieb oushixiong1025@163.com:
> From: Shixiong Ou <oushixiong@kylinos.cn>
>
> Import dmabuf without mapping its sg_table to avoid issues likes:
>     udl 2-1.4:1.0: swiotlb buffer is full (sz: 2097152 bytes), total 65536 (slots), used 1 (slots)
>
> Signed-off-by: Shixiong Ou <oushixiong@kylinos.cn>

Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>

> ---
>   drivers/gpu/drm/udl/udl_drv.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c
> index 1922988625eb..ce5ae7cacb90 100644
> --- a/drivers/gpu/drm/udl/udl_drv.c
> +++ b/drivers/gpu/drm/udl/udl_drv.c
> @@ -57,7 +57,7 @@ static const struct drm_driver driver = {
>   
>   	/* GEM hooks */
>   	.fops = &udl_driver_fops,
> -	DRM_GEM_SHMEM_DRIVER_OPS,
> +	DRM_GEM_SHMEM_DRIVER_OPS_NO_MAP_SGT,
>   	DRM_FBDEV_SHMEM_DRIVER_OPS,
>   
>   	.name = DRIVER_NAME,

-- 
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Frankenstrasse 146, 90461 Nuernberg, Germany
GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman
HRB 36809 (AG Nuernberg)


  reply	other threads:[~2025-05-26 13:57 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-22  7:07 [PATCH v5 RESEND 1/3] drm/shmem-helper: Import dmabuf without mapping its sg_table oushixiong1025
2025-05-22  7:07 ` [PATCH v5 RESEND 2/3] drm/ast: use DRM_GEM_SHMEM_DRIVER_OPS_NO_MAP_SGT oushixiong1025
2025-05-26 13:56   ` Thomas Zimmermann
2025-05-22  7:07 ` [PATCH v5 RESEND 3/3] drm/udl: " oushixiong1025
2025-05-26 13:57   ` Thomas Zimmermann [this message]
2025-05-26 15:00 ` [PATCH v5 RESEND 1/3] drm/shmem-helper: Import dmabuf without mapping its sg_table Thomas Zimmermann
2025-06-03  7:49   ` Thomas Zimmermann
2025-07-11 14:16 ` Thomas Zimmermann
2025-07-14 10:16   ` Shixiong Ou
2025-07-14 10:47     ` Thomas Zimmermann
2025-08-13  9:25     ` Thomas Zimmermann
2025-08-13 11:18       ` Christian König
2025-08-13 12:08         ` Thomas Zimmermann
2025-08-13 12:16           ` Thomas Zimmermann
2025-08-13 13:35             ` Christian König
2025-08-13 14:06               ` Thomas Zimmermann
2025-08-14 10:22                 ` Christian König
2025-08-14 12:51                   ` Thomas Zimmermann
2025-08-14 13:16                     ` Christian König
2025-08-15 12:46                       ` Thomas Zimmermann
2025-08-15 13:28                         ` Christian König
2025-08-15 13:48                           ` Thomas Zimmermann
2025-08-18  8:45                             ` Thomas Zimmermann

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