From patchwork Fri Mar 18 18:47:52 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 12785790 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 E9B48C433EF for ; Fri, 18 Mar 2022 18:48:31 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0044310E75C; Fri, 18 Mar 2022 18:48:20 +0000 (UTC) Received: from phobos.denx.de (phobos.denx.de [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9949D10E769 for ; Fri, 18 Mar 2022 18:48:17 +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 076A78339D; Fri, 18 Mar 2022 19:48:15 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1647629296; bh=VK6ErMeBUVbrHmSB8+ONxixGcFJ/jpUtk3V2hbW2BRM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=W3jvKb7dSFtctJeOp0Nt5GcbaxKPShXDYDFAT4XJE0iyQ5gyJOBdMKrV6UxU4qNA/ JpOnopSwOgvciPDYbfdcteaSV6nlrung3BiAobq/n5R1OnPg7tkbFiZQxyI0OJ5ToE 8jZXY6HfLJ8OjE/X6DS/K7o7MOdT84bsY7/XvUH/XAHDTfHHehnQX3OFh1czh4NTIh TRZGrA3knXa3rF5E2SOfXp28uEeTMlEG0J359sgK8NgnVndGv+548NvZdRfhrLRska KpbfURE2vpEMMhEBFSqi2I/DCcOF8nzZL3y5cytj5cpUzVJ1JDLXSnUuQBGzprYuVv lCpc7FLp2uisg== From: Marek Vasut To: dri-devel@lists.freedesktop.org Subject: [PATCH v5 08/11] drm: bridge: icn6211: Implement atomic_get_input_bus_fmts Date: Fri, 18 Mar 2022 19:47:52 +0100 Message-Id: <20220318184755.113152-9-marex@denx.de> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220318184755.113152-1-marex@denx.de> References: <20220318184755.113152-1-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 , Maxime Ripard , Thomas Zimmermann , Sam Ravnborg , Jagan Teki Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Implement .atomic_get_input_bus_fmts callback, which sets up the input (DSI-end) format, and that format can then be used in pipeline format negotiation between the DSI-end of this bridge and the other component closer to the scanout engine. Acked-by: Maxime Ripard Signed-off-by: Marek Vasut Cc: Jagan Teki Cc: Maxime Ripard Cc: Robert Foss Cc: Sam Ravnborg Cc: Thomas Zimmermann To: dri-devel@lists.freedesktop.org --- V2: Rebase on next-20220214 V3: Add AB from Maxime V4: No change V5: No change --- drivers/gpu/drm/bridge/chipone-icn6211.c | 27 ++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/drivers/gpu/drm/bridge/chipone-icn6211.c b/drivers/gpu/drm/bridge/chipone-icn6211.c index b2faad4cb8a6d..42e3581d76521 100644 --- a/drivers/gpu/drm/bridge/chipone-icn6211.c +++ b/drivers/gpu/drm/bridge/chipone-icn6211.c @@ -383,6 +383,32 @@ static int chipone_attach(struct drm_bridge *bridge, enum drm_bridge_attach_flag return drm_bridge_attach(bridge->encoder, icn->panel_bridge, bridge, flags); } +#define MAX_INPUT_SEL_FORMATS 1 + +static u32 * +chipone_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 chipone_bridge_funcs = { .atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state, .atomic_destroy_state = drm_atomic_helper_bridge_destroy_state, @@ -392,6 +418,7 @@ static const struct drm_bridge_funcs chipone_bridge_funcs = { .atomic_post_disable = chipone_atomic_post_disable, .mode_set = chipone_mode_set, .attach = chipone_attach, + .atomic_get_input_bus_fmts = chipone_atomic_get_input_bus_fmts, }; static int chipone_parse_dt(struct chipone *icn)