From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gustavo Padovan Subject: Re: [PATCH 3/3] drm/exynos: mixer: add 2x scaling to mixer_graph_buffer Date: Wed, 1 Apr 2015 12:34:52 -0300 Message-ID: <20150401153452.GF7013@joana> References: <1427894943-9010-1-git-send-email-tjakobi@math.uni-bielefeld.de> <1427894943-9010-3-git-send-email-tjakobi@math.uni-bielefeld.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-qg0-f50.google.com ([209.85.192.50]:33071 "EHLO mail-qg0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752218AbbDAPez (ORCPT ); Wed, 1 Apr 2015 11:34:55 -0400 Received: by qgfa8 with SMTP id a8so45744714qgf.0 for ; Wed, 01 Apr 2015 08:34:55 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1427894943-9010-3-git-send-email-tjakobi@math.uni-bielefeld.de> Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: Tobias Jakobi Cc: linux-samsung-soc@vger.kernel.org, dri-devel@lists.freedesktop.org, jy0922.shim@samsung.com, inki.dae@samsung.com Hi Tobias, 2015-04-01 Tobias Jakobi : > While the VP (video processor) supports arbitrary scaling > of its input, the mixer just supports a simple 2x (line > doubling) scaling. Expose this functionality and exit > early when an unsupported scaling configuration is > encountered. > > This was tested with modetest's DRM plane test (from > the libdrm test suite) on an Odroid-X2 (Exynos4412). > > Signed-off-by: Tobias Jakobi > --- > drivers/gpu/drm/exynos/exynos_mixer.c | 35 +++++++++++++++++++++++++++++------ > 1 file changed, 29 insertions(+), 6 deletions(-) Reviewed-by: Gustavo Padovan Gustavo