From patchwork Fri Apr 8 16:21:04 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 12806955 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 25BFAC433FE for ; Fri, 8 Apr 2022 16:23:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230290AbiDHQZK (ORCPT ); Fri, 8 Apr 2022 12:25:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44244 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230265AbiDHQZJ (ORCPT ); Fri, 8 Apr 2022 12:25:09 -0400 Received: from mail-pf1-x430.google.com (mail-pf1-x430.google.com [IPv6:2607:f8b0:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D77FB10BBF0 for ; Fri, 8 Apr 2022 09:23:05 -0700 (PDT) Received: by mail-pf1-x430.google.com with SMTP id h19so8812718pfv.1 for ; Fri, 08 Apr 2022 09:23:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=QPxziLerI0UxR876U+YKww6O14nhkPwPhp+Yk2SkNsw=; b=rDDE8uCIU3LYezldcEHFRYI6cOB3JUQZN/iN2Il9OLtfRc7c2RAjkHq+QErHuKDnM5 2alUmfbCzYSjQKDZU0EYXbMjcn2f3dkvpxYi8pkaYLCr5zuC0gPGX1VeKNh0dvR/Ttxr 7BYQd2KeH+61Ln0wnd6UDJnz+9xIWEUavyC98= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=QPxziLerI0UxR876U+YKww6O14nhkPwPhp+Yk2SkNsw=; b=YXA4o3mMOiG2Y0Wmoo/FbTwFMl3ki53e1tDpQyWGk+UH8LQ+CXL9mlFgRWdt8subpL SaXuK6kxvTP7RdaZlFXNKbz+jBfpZgWUfVvBJU1LHa6nz5VeRpoOYPtXDObbkVUpcPyK n1L9wPGQrrjcUVqrFQ6/yAgu2axqOZCofjr3Ku5muESbKOtG8T2m2KgFvi/u9RP+/HIj gehF2C667Y7+cIF+Y5E4iXwHv9mdnjNlsZHxkodYL9jPlWRK5OaJbLFbnpeFcTmdnCVP NpUlTlzVWYeblV1sXYKlrWDAk8DmFASGYZbKHIC/M9pig3FFR+dehL1hY+3kY8gZr0KQ mKog== X-Gm-Message-State: AOAM530OGkHzyEg/TcnqOEHEM2KE5WdxJYl84sxdeGECqNwyUhJctQ7X OodhBdgtfDjD0zI92wgivcDeuw== X-Google-Smtp-Source: ABdhPJxPVGWGup1T6RoQcsTJT63gC5gHW6058VTwOoGmi0zBV6zns5k2sSb0Mf0pvBF1rw4e1ZWkYQ== X-Received: by 2002:a63:d955:0:b0:398:b864:ab71 with SMTP id e21-20020a63d955000000b00398b864ab71mr16413922pgj.515.1649434985368; Fri, 08 Apr 2022 09:23:05 -0700 (PDT) Received: from j-ThinkPad-E14-Gen-2.domain.name ([45.249.78.214]) by smtp.gmail.com with ESMTPSA id n18-20020a056a0007d200b004fdac35672fsm24929863pfu.68.2022.04.08.09.22.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 08 Apr 2022 09:23:04 -0700 (PDT) From: Jagan Teki To: Andrzej Hajda , Inki Dae , Marek Szyprowski , Joonyoung Shim , Seung-Woo Kim , Kyungmin Park , Frieder Schrempf , Fancy Fang , Tim Harvey , Michael Nazzareno Trimarchi , Adam Ford , Neil Armstrong , Robert Foss , Laurent Pinchart , Rob Herring Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, NXP Linux Team , linux-amarula , Jagan Teki Subject: [PATCH 07/11] drm: bridge: samsung-dsim: Add atomic_check Date: Fri, 8 Apr 2022 21:51:04 +0530 Message-Id: <20220408162108.184583-8-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220408162108.184583-1-jagan@amarulasolutions.com> References: <20220408162108.184583-1-jagan@amarulasolutions.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Fixing up the mode flags is required in order to correlate the correct sync flags of the surrounding components in the chain to make sure the whole pipeline can work properly. So, handle the mode flags via bridge, atomic_check. v1: * fix mode flags in atomic_check instead of mode_fixup Signed-off-by: Jagan Teki --- drivers/gpu/drm/bridge/samsung-dsim.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c index 1fe4b8e737a4..38db1f93ed51 100644 --- a/drivers/gpu/drm/bridge/samsung-dsim.c +++ b/drivers/gpu/drm/bridge/samsung-dsim.c @@ -1338,6 +1338,19 @@ static void samsung_dsim_atomic_post_disable(struct drm_bridge *bridge, pm_runtime_put_sync(dsi->dev); } +static int samsung_dsim_atomic_check(struct drm_bridge *bridge, + struct drm_bridge_state *bridge_state, + struct drm_crtc_state *crtc_state, + struct drm_connector_state *conn_state) +{ + struct drm_display_mode *adjusted_mode = &crtc_state->adjusted_mode; + + adjusted_mode->flags |= (DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC); + adjusted_mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC); + + return 0; +} + static void samsung_dsim_mode_set(struct drm_bridge *bridge, const struct drm_display_mode *mode, const struct drm_display_mode *adjusted_mode) @@ -1359,6 +1372,7 @@ static const struct drm_bridge_funcs samsung_dsim_bridge_funcs = { .atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state, .atomic_destroy_state = drm_atomic_helper_bridge_destroy_state, .atomic_reset = drm_atomic_helper_bridge_reset, + .atomic_check = samsung_dsim_atomic_check, .atomic_pre_enable = samsung_dsim_atomic_pre_enable, .atomic_enable = samsung_dsim_atomic_enable, .atomic_disable = samsung_dsim_atomic_disable,