From patchwork Thu Mar 31 15:39:23 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 12797379 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C325BC433EF for ; Thu, 31 Mar 2022 15:39:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B945989058; Thu, 31 Mar 2022 15:39:41 +0000 (UTC) Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3A1C089D7C for ; Thu, 31 Mar 2022 15:39:40 +0000 (UTC) Received: from tr.lan (ip-89-176-112-137.net.upcbroadband.cz [89.176.112.137]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 5D4B383BFA; Thu, 31 Mar 2022 17:39:38 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1648741178; bh=Fg065rSfJXCBoelSqrnKwZ8WhZ1VQrd49lXu1T2O88g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IBwkrgY/zvyMxajsUHlRJOpXjqt8fXvBobagtzWrQMtJCazJUR1HAmAJHEB1+b8Br RB5SvpaFvIai9A/H+D8pQCaa/gbUFSwwQFvFriebIDgUCpak0pQf7AB0LolKBblIJA fLH6lgp9Pk40cMjztVZtFX2SwL8uxHypvGajPAqP6hLhdUVoWW8Jbo1cS2NYwGjQ1S igAmjN0/ig+hGtVuqrB3IRJy6VhpXoLFp6SpyFGKK9k9NMYqw8bNszwDzeb3d5u1PF b9RnVYZ36KIP3ByoptG0sPF2vfoyd9mYhBx2TGTq3X3mP8yLIln23rAVyD8I1shIXC zIuDTW2r3BrzA== From: Marek Vasut To: dri-devel@lists.freedesktop.org Subject: [RESEND][PATCH 2/2] drm/bridge: lt9611: Add atomic_get_input_bus_fmts Date: Thu, 31 Mar 2022 17:39:23 +0200 Message-Id: <20220331153923.14314-2-marex@denx.de> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220331153923.14314-1-marex@denx.de> References: <20220331153923.14314-1-marex@denx.de> MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Marek Vasut , robert.foss@linaro.org, Maxime Ripard , Thomas Zimmermann , Dave Airlie , Sam Ravnborg Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Implement .atomic_get_input_bus_fmts callback, which sets up the input (scanout-engine-end) formats, so that those formats can then be used in pipeline format negotiation between this bridge and the scanout engine. Signed-off-by: Marek Vasut Cc: Dave Airlie Cc: John Stultz Cc: Maxime Ripard Cc: Sam Ravnborg Cc: Thomas Zimmermann Reviewed-by: Robert Foss --- drivers/gpu/drm/bridge/lontium-lt9611.c | 27 +++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/drivers/gpu/drm/bridge/lontium-lt9611.c b/drivers/gpu/drm/bridge/lontium-lt9611.c index 9b3ac3794a2c..7ef8fe5abc12 100644 --- a/drivers/gpu/drm/bridge/lontium-lt9611.c +++ b/drivers/gpu/drm/bridge/lontium-lt9611.c @@ -922,6 +922,32 @@ static void lt9611_bridge_hpd_enable(struct drm_bridge *bridge) lt9611_enable_hpd_interrupts(lt9611); } +#define MAX_INPUT_SEL_FORMATS 1 + +static u32 * +lt9611_atomic_get_input_bus_fmts(struct drm_bridge *bridge, + struct drm_bridge_state *bridge_state, + struct drm_crtc_state *crtc_state, + struct drm_connector_state *conn_state, + u32 output_fmt, + unsigned int *num_input_fmts) +{ + u32 *input_fmts; + + *num_input_fmts = 0; + + input_fmts = kcalloc(MAX_INPUT_SEL_FORMATS, sizeof(*input_fmts), + GFP_KERNEL); + if (!input_fmts) + return NULL; + + /* This is the DSI-end bus format */ + input_fmts[0] = MEDIA_BUS_FMT_RGB888_1X24; + *num_input_fmts = 1; + + return input_fmts; +} + static const struct drm_bridge_funcs lt9611_bridge_funcs = { .attach = lt9611_bridge_attach, .mode_valid = lt9611_bridge_mode_valid, @@ -936,6 +962,7 @@ static const struct drm_bridge_funcs lt9611_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_get_input_bus_fmts = lt9611_atomic_get_input_bus_fmts, }; static int lt9611_parse_dt(struct device *dev,