From nobody Thu Apr 2 19:56:10 2026 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 255F4ECAAD8 for ; Wed, 21 Sep 2022 15:46:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231250AbiIUPq4 (ORCPT ); Wed, 21 Sep 2022 11:46:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50628 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231171AbiIUPqo (ORCPT ); Wed, 21 Sep 2022 11:46:44 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D6A167C75E; Wed, 21 Sep 2022 08:46:38 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 61EEDB81D4E; Wed, 21 Sep 2022 15:46:37 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B1DBAC433C1; Wed, 21 Sep 2022 15:46:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1663775196; bh=FVu0qOm7anUZ1Ub0CCc959D/nFP+NEmD3sIKL4tT7Yo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=br69lf3EcidKLQtmGnpvVwIMf6Mzwz0EuQwAoxxooiWNgwINNVQpQpA2DyjPw9OYr qgTnXkpFnaH4ExikcrNpRZOZcLqwlSOnoR6az6md/vN9EnQy0ShrlVKlawBOg+GB7+ 3PZYYANHrx/WTIaDZ+QDQkUuLg4YccovIjnUdTE0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Douglas Anderson , Chen-Yu Tsai , Sasha Levin Subject: [PATCH 5.19 11/38] drm/panel-edp: Fix delays for Innolux N116BCA-EA1 Date: Wed, 21 Sep 2022 17:45:55 +0200 Message-Id: <20220921153646.655164587@linuxfoundation.org> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220921153646.298361220@linuxfoundation.org> References: <20220921153646.298361220@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Chen-Yu Tsai [ Upstream commit 8f7115c1923cd11146525f1615beb29018001964 ] Commit 52824ca4502d ("drm/panel-edp: Better describe eDP panel delays") clarified the various delays used for eDP panels, tying them to the eDP panel timing diagram. For Innolux N116BCA-EA1, .prepare_to_enable would be: t4_min + t5_min + t6_min + max(t7_max, t8_min) Since t4_min and t5_min are both 0, the panel can use either .enable or .prepare_to_enable. As .enable is better defined, switch to using .enable for this panel. Also add .disable =3D 50, based on the datasheet's t9_min value. This effectively makes the delays the same as delay_200_500_e80_d50. Cc: Douglas Anderson Fixes: 51d35631c970 ("drm/panel-simple: Add N116BCA-EA1") Signed-off-by: Chen-Yu Tsai Reviewed-by: Douglas Anderson Signed-off-by: Douglas Anderson Link: https://patchwork.freedesktop.org/patch/msgid/20220908085454.1024167-= 1-wenst@chromium.org Signed-off-by: Sasha Levin --- drivers/gpu/drm/panel/panel-edp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/panel/panel-edp.c b/drivers/gpu/drm/panel/pane= l-edp.c index a189982601a4..e8040defe607 100644 --- a/drivers/gpu/drm/panel/panel-edp.c +++ b/drivers/gpu/drm/panel/panel-edp.c @@ -1270,7 +1270,8 @@ static const struct panel_desc innolux_n116bca_ea1 = =3D { }, .delay =3D { .hpd_absent =3D 200, - .prepare_to_enable =3D 80, + .enable =3D 80, + .disable =3D 50, .unprepare =3D 500, }, }; --=20 2.35.1