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From: Gerd Hoffmann <kraxel@redhat.com>
To: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] drm/bochs: switch fb_ops over to use drm_fb_helper_cfb helpers
Date: Mon, 03 Jul 2017 10:55:03 +0200	[thread overview]
Message-ID: <1499072103.771.7.camel@redhat.com> (raw)
In-Reply-To: <dfbb5a6d-ede3-3907-4d01-1bcf2f3569f6@ilande.co.uk>

  Hi,

> Hopefully Gerd has experience using bochs_drm with other non-x86
> systems
> and can comment further.

Just pushed to drm-misc-next, fix is correct.  bochs video memory is a
pci bar, and the framebuffer is stored there.

Using sys instead of cfb is probably a leftover from cirrus, where the
framebuffer actually in a shadow copy in system ram, due to the low
amout of (pci) video memory.

cheers,
  Gerd

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WARNING: multiple messages have this Message-ID (diff)
From: Gerd Hoffmann <kraxel@redhat.com>
To: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] drm/bochs: switch fb_ops over to use drm_fb_helper_cfb helpers
Date: Mon, 03 Jul 2017 10:55:03 +0200	[thread overview]
Message-ID: <1499072103.771.7.camel@redhat.com> (raw)
In-Reply-To: <dfbb5a6d-ede3-3907-4d01-1bcf2f3569f6@ilande.co.uk>

  Hi,

> Hopefully Gerd has experience using bochs_drm with other non-x86
> systems
> and can comment further.

Just pushed to drm-misc-next, fix is correct.  bochs video memory is a
pci bar, and the framebuffer is stored there.

Using sys instead of cfb is probably a leftover from cirrus, where the
framebuffer actually in a shadow copy in system ram, due to the low
amout of (pci) video memory.

cheers,
  Gerd

  reply	other threads:[~2017-07-03  8:55 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-02 21:52 [PATCH] drm/bochs: switch fb_ops over to use drm_fb_helper_cfb helpers Mark Cave-Ayland
2017-07-02 21:52 ` Mark Cave-Ayland
2017-07-03  8:11 ` Daniel Vetter
2017-07-03  8:11   ` Daniel Vetter
2017-07-03  8:33   ` Mark Cave-Ayland
2017-07-03  8:55     ` Gerd Hoffmann [this message]
2017-07-03  8:55       ` Gerd Hoffmann
2017-07-03  9:07       ` Mark Cave-Ayland
2017-07-03  9:07         ` Mark Cave-Ayland

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