From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932926AbcFBOcR (ORCPT ); Thu, 2 Jun 2016 10:32:17 -0400 Received: from down.free-electrons.com ([37.187.137.238]:52088 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932712AbcFBOcF (ORCPT ); Thu, 2 Jun 2016 10:32:05 -0400 From: Boris Brezillon To: David Airlie , Daniel Vetter , dri-devel@lists.freedesktop.org, Daniel Vetter Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Kukjin Kim , Krzysztof Kozlowski , linux-samsung-soc@vger.kernel.org, intel-gfx@lists.freedesktop.org, Jani Nikula , Alexey Brodkin , Inki Dae , Joonyoung Shim , Seung-Woo Kim , Kyungmin Park , Stefan Agner , Alison Wang , Matthias Brugger , Rob Clark , Laurent Pinchart , Mark Yao , Heiko Stuebner , Benjamin Gaignard , Vincent Abriou , Maxime Ripard , Chen-Yu Tsai , Thierry Reding , Stephen Warren , Alexandre Courbot , Eric Anholt , Gerd Hoffmann , linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-tegra@vger.kernel.org, virtualization@lists.linux-foundation.org, Boris Brezillon Subject: [PATCH 01/20] drm/atomic: Fix remaining places where !funcs->best_encoder is valid Date: Thu, 2 Jun 2016 16:31:28 +0200 Message-Id: <1464877907-27723-2-git-send-email-boris.brezillon@free-electrons.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1464877907-27723-1-git-send-email-boris.brezillon@free-electrons.com> References: <1464877907-27723-1-git-send-email-boris.brezillon@free-electrons.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Adapt drm_pick_crtcs() and update_connector_routing() to fallback to drm_atomic_helper_best_encoder() if funcs->best_encoder() is NULL so that DRM drivers can leave this hook unassigned if they know they want to use drm_atomic_helper_best_encoder(). Signed-off-by: Boris Brezillon --- drivers/gpu/drm/drm_atomic_helper.c | 4 +++- drivers/gpu/drm/drm_fb_helper.c | 13 ++++++++++++- 2 files changed, 15 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index f6a3350..849d029 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -300,8 +300,10 @@ update_connector_routing(struct drm_atomic_state *state, if (funcs->atomic_best_encoder) new_encoder = funcs->atomic_best_encoder(connector, connector_state); - else + else if (funcs->best_encoder) new_encoder = funcs->best_encoder(connector); + else + new_encoder = drm_atomic_helper_best_encoder(connector); if (!new_encoder) { DRM_DEBUG_ATOMIC("No suitable encoder found for [CONNECTOR:%d:%s]\n", diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 7c2eb75..d44389a 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -2000,7 +2000,18 @@ static int drm_pick_crtcs(struct drm_fb_helper *fb_helper, my_score++; connector_funcs = connector->helper_private; - encoder = connector_funcs->best_encoder(connector); + + /* + * If the DRM device implements atomic hooks and ->best_encoder() is + * NULL we fallback to the default drm_atomic_helper_best_encoder() + * helper. + */ + if (fb_helper->dev->mode_config.funcs->atomic_commit && + !connector_funcs->best_encoder) + encoder = drm_atomic_helper_best_encoder(connector); + else + encoder = connector_funcs->best_encoder(connector); + if (!encoder) goto out; -- 2.7.4