From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gustavo Padovan Subject: Re: [PATCH v2 1/3] drm/exynos: remove to call mixer_wait_for_vblank Date: Mon, 15 Jun 2015 17:39:59 -0300 Message-ID: <20150615203959.GA4650@joana> References: <1434097636-10709-1-git-send-email-jy0922.shim@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from bhuna.collabora.co.uk ([93.93.135.160]:59103 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751864AbbFOUkJ (ORCPT ); Mon, 15 Jun 2015 16:40:09 -0400 Content-Disposition: inline In-Reply-To: <1434097636-10709-1-git-send-email-jy0922.shim@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: Joonyoung Shim Cc: dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org, inki.dae@samsung.com, sw0312.kim@samsung.com, m.szyprowski@samsung.com, a.hajda@samsung.com Hi Joonyoung, 2015-06-12 Joonyoung Shim : > The reason waiting vblank is to be power gated and disabled clocks after > dma operation is completed. The dma operation is stopped already before > be power gated and clocks are disabled when mixer is disabled by commit > 381be025ac1a6("drm/exynos: stop mixer before gating clocks during > poweroff"). Don't need to wait vblank anymore. > > Signed-off-by: Joonyoung Shim > --- > drivers/gpu/drm/exynos/exynos_mixer.c | 1 - > 1 file changed, 1 deletion(-) Reviewed-by: Gustavo Padovan Gustavo