From: Jean Delvare <jdelvare@suse.de>
To: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Takashi Iwai <tiwai@suse.de>, David Airlie <airlied@redhat.com>,
christian.koenig@amd.com,
dri-devel <dri-devel@lists.freedesktop.org>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Performance regression in ast drm driver
Date: Tue, 13 Nov 2018 13:08:21 +0100 [thread overview]
Message-ID: <20181113130821.2a7694a6@endymion> (raw)
In-Reply-To: <89ae9adf-27e7-ae80-639c-c67202a0d0b7@suse.de>
Hi Thomas,
On Tue, 13 Nov 2018 10:23:45 +0100, Thomas Zimmermann wrote:
> ast doesn't remove the vesafb's framebuffer before attaching to the
> device. I have a patch at [1]. If you have a way of testing it, I'd
> appreciate.
>
> [1] https://bugzilla.suse.com/show_bug.cgi?id=1112963
Thank you very much for looking into this bug. I tested the patch above
and yes, it solves my console performance problem. The performance with
your patch applied is roughly the same as with commit "drm/drivers: add
support for using the arch wc mapping API" reverted.
--
Jean Delvare
SUSE L3 Support
next prev parent reply other threads:[~2018-11-13 12:08 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-01 15:27 Performance regression in ast drm driver Jean Delvare
2018-11-08 12:05 ` Jean Delvare
2018-11-09 0:04 ` David Airlie
2018-11-10 8:39 ` Jean Delvare
2018-11-12 14:36 ` Jean Delvare
2018-11-12 14:45 ` Takashi Iwai
2018-11-12 16:41 ` Jean Delvare
2018-11-13 9:23 ` Thomas Zimmermann
2018-11-13 12:08 ` Jean Delvare [this message]
2018-11-13 12:16 ` Thomas Zimmermann
2018-11-12 19:36 ` Thomas Zimmermann
2018-11-13 8:19 ` YC Chen
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