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From: Thomas Zimmermann <tzimmermann@suse.de>
To: Gerd Hoffmann <kraxel@redhat.com>, dri-devel@lists.freedesktop.org
Cc: David Airlie <airlied@linux.ie>,
	open list <linux-kernel@vger.kernel.org>,
	"open list:DRM DRIVER FOR QXL VIRTUAL GPU" 
	<virtualization@lists.linux-foundation.org>,
	"open list:DRM DRIVER FOR QXL VIRTUAL GPU" 
	<spice-devel@lists.freedesktop.org>,
	Dave Airlie <airlied@redhat.com>
Subject: Re: [PATCH 08/10] drm/qxl: fix monitors object kmap
Date: Tue, 16 Feb 2021 14:18:28 +0100	[thread overview]
Message-ID: <47d20b11-5e9e-df5d-f5d7-eeabad0fba51@suse.de> (raw)
In-Reply-To: <20210216113716.716996-9-kraxel@redhat.com>


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Am 16.02.21 um 12:37 schrieb Gerd Hoffmann:
> Use the correct kmap variant.  We don't hold a reservation here,
> so we can't use the _locked variant.  We can drop the pin because
> qxl_bo_kmap will do that for us.
> 
> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

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

> ---
>   drivers/gpu/drm/qxl/qxl_display.c | 7 ++-----
>   1 file changed, 2 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
> index 8672385a1caf..7500560db8e4 100644
> --- a/drivers/gpu/drm/qxl/qxl_display.c
> +++ b/drivers/gpu/drm/qxl/qxl_display.c
> @@ -1159,12 +1159,10 @@ int qxl_create_monitors_object(struct qxl_device *qdev)
>   	}
>   	qdev->monitors_config_bo = gem_to_qxl_bo(gobj);
>   
> -	ret = qxl_bo_pin(qdev->monitors_config_bo);
> +	ret = qxl_bo_kmap(qdev->monitors_config_bo, &map);
>   	if (ret)
>   		return ret;
>   
> -	qxl_bo_kmap_locked(qdev->monitors_config_bo, &map);
> -
>   	qdev->monitors_config = qdev->monitors_config_bo->kptr;
>   	qdev->ram_header->monitors_config =
>   		qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0);
> @@ -1189,8 +1187,7 @@ int qxl_destroy_monitors_object(struct qxl_device *qdev)
>   	qdev->monitors_config = NULL;
>   	qdev->ram_header->monitors_config = 0;
>   
> -	qxl_bo_kunmap_locked(qdev->monitors_config_bo);
> -	ret = qxl_bo_unpin(qdev->monitors_config_bo);
> +	ret = qxl_bo_kunmap(qdev->monitors_config_bo);
>   	if (ret)
>   		return ret;
>   
> 

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer


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  reply	other threads:[~2021-02-16 13:19 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20210216113716.716996-1-kraxel@redhat.com>
2021-02-16 11:37 ` [PATCH 01/10] drm/qxl: properly handle device init failures Gerd Hoffmann
2021-02-16 13:08   ` Thomas Zimmermann
2021-02-16 11:37 ` [PATCH 02/10] drm/qxl: more fence wait rework Gerd Hoffmann
2021-02-16 11:37 ` [PATCH 03/10] drm/qxl: use ttm bo priorities Gerd Hoffmann
2021-02-16 11:37 ` [PATCH 04/10] drm/qxl: fix lockdep issue in qxl_alloc_release_reserved Gerd Hoffmann
2021-02-16 11:37 ` [PATCH 05/10] drm/qxl: rename qxl_bo_kmap -> qxl_bo_kmap_locked Gerd Hoffmann
2021-02-16 13:14   ` Thomas Zimmermann
2021-02-16 11:37 ` [PATCH 06/10] drm/qxl: add qxl_bo_kmap/qxl_bo_kunmap Gerd Hoffmann
2021-02-16 13:17   ` Thomas Zimmermann
2021-02-16 11:37 ` [PATCH 07/10] drm/qxl: fix prime kmap Gerd Hoffmann
2021-02-16 13:16   ` Thomas Zimmermann
2021-02-16 11:37 ` [PATCH 08/10] drm/qxl: fix monitors object kmap Gerd Hoffmann
2021-02-16 13:18   ` Thomas Zimmermann [this message]
2021-02-16 11:37 ` [PATCH 09/10] drm/qxl: map/unmap framebuffers in prepare_fb+cleanup_fb callbacks Gerd Hoffmann
2021-02-16 13:27   ` Thomas Zimmermann
2021-02-16 13:46     ` Thomas Zimmermann
2021-02-17 10:02       ` Gerd Hoffmann
2021-02-17 10:23         ` Thomas Zimmermann
2021-02-16 11:37 ` [PATCH 10/10] drm/qxl: add lock asserts to qxl_bo_kmap_locked + qxl_bo_kunmap_locked Gerd Hoffmann
2021-02-16 13:30   ` Thomas Zimmermann

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