From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jean Delvare Subject: Re: Performance regression in ast drm driver Date: Tue, 13 Nov 2018 13:08:21 +0100 Message-ID: <20181113130821.2a7694a6@endymion> References: <20181101162707.598c1718@endymion> <20181108130509.3b2d42ff@endymion> <1542033367.2661.33.camel@suse.de> <1542040904.2661.35.camel@suse.de> <89ae9adf-27e7-ae80-639c-c67202a0d0b7@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <89ae9adf-27e7-ae80-639c-c67202a0d0b7@suse.de> Sender: linux-kernel-owner@vger.kernel.org To: Thomas Zimmermann Cc: Takashi Iwai , David Airlie , christian.koenig@amd.com, dri-devel , linux-kernel List-Id: dri-devel@lists.freedesktop.org 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