From patchwork Sun Aug 8 13:45:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Cercueil X-Patchwork-Id: 12424857 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A8E43C4338F for ; Sun, 8 Aug 2021 13:46:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 79EBB60FC1 for ; Sun, 8 Aug 2021 13:46:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231247AbhHHNq3 (ORCPT ); Sun, 8 Aug 2021 09:46:29 -0400 Received: from aposti.net ([89.234.176.197]:55820 "EHLO aposti.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231673AbhHHNq3 (ORCPT ); Sun, 8 Aug 2021 09:46:29 -0400 From: Paul Cercueil To: David Airlie , Daniel Vetter Cc: "H . Nikolaus Schaller" , Paul Boddie , list@opendingux.net, Sam Ravnborg , linux-mips@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Paul Cercueil Subject: [PATCH 3/8] drm/ingenic: Use standard drm_atomic_helper_commit_tail Date: Sun, 8 Aug 2021 15:45:21 +0200 Message-Id: <20210808134526.119198-4-paul@crapouillou.net> In-Reply-To: <20210808134526.119198-1-paul@crapouillou.net> References: <20210808134526.119198-1-paul@crapouillou.net> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org By making the CRTC's .vblank_enable() function return an error when it is known that the hardware won't deliver a VBLANK, we can drop the ingenic_drm_atomic_helper_commit_tail() function and use the standard drm_atomic_helper_commit_tail() function instead. Signed-off-by: Paul Cercueil Reviewed-by: Daniel Vetter --- drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 28 ++++------------------- 1 file changed, 4 insertions(+), 24 deletions(-) diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c index bc71ba44ccf4..3ed7c27a8dde 100644 --- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c +++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c @@ -706,29 +706,6 @@ static int ingenic_drm_encoder_atomic_check(struct drm_encoder *encoder, } } -static void ingenic_drm_atomic_helper_commit_tail(struct drm_atomic_state *old_state) -{ - /* - * Just your regular drm_atomic_helper_commit_tail(), but only calls - * drm_atomic_helper_wait_for_vblanks() if priv->no_vblank. - */ - struct drm_device *dev = old_state->dev; - struct ingenic_drm *priv = drm_device_get_priv(dev); - - drm_atomic_helper_commit_modeset_disables(dev, old_state); - - drm_atomic_helper_commit_planes(dev, old_state, 0); - - drm_atomic_helper_commit_modeset_enables(dev, old_state); - - drm_atomic_helper_commit_hw_done(old_state); - - if (!priv->no_vblank) - drm_atomic_helper_wait_for_vblanks(dev, old_state); - - drm_atomic_helper_cleanup_planes(dev, old_state); -} - static irqreturn_t ingenic_drm_irq_handler(int irq, void *arg) { struct ingenic_drm *priv = drm_device_get_priv(arg); @@ -749,6 +726,9 @@ static int ingenic_drm_enable_vblank(struct drm_crtc *crtc) { struct ingenic_drm *priv = drm_crtc_get_priv(crtc); + if (priv->no_vblank) + return -EWOULDBLOCK; + regmap_update_bits(priv->map, JZ_REG_LCD_CTRL, JZ_LCD_CTRL_EOF_IRQ, JZ_LCD_CTRL_EOF_IRQ); @@ -856,7 +836,7 @@ static const struct drm_mode_config_funcs ingenic_drm_mode_config_funcs = { }; static struct drm_mode_config_helper_funcs ingenic_drm_mode_config_helpers = { - .atomic_commit_tail = ingenic_drm_atomic_helper_commit_tail, + .atomic_commit_tail = drm_atomic_helper_commit_tail, }; static void ingenic_drm_unbind_all(void *d)