From patchwork Mon Nov 4 06:43:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hermes Wu via B4 Relay X-Patchwork-Id: 13860965 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 1A228D11185 for ; Mon, 4 Nov 2024 06:44:19 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B31B510E27B; Mon, 4 Nov 2024 06:44:09 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="sXZmhw1a"; dkim-atps=neutral Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by gabe.freedesktop.org (Postfix) with ESMTPS id 338D110E07F for ; Mon, 4 Nov 2024 06:44:08 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 230B65C4D9F; Mon, 4 Nov 2024 06:43:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 85A10C4CED6; Mon, 4 Nov 2024 06:44:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1730702646; bh=V5YudWXnJ7rHUTU5EwXOV89odpcktqY9hIsiJyNOono=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=sXZmhw1axFGapV0gBXqiy/0zoNM3gw4ZIZVXAJiJ6hrUmaEUABUrGJTPov9f2EthO TJunML8LsKCU/tXLP4+Yj1eval5qqSrfpRwo8Skkc85x6ZB0CVqvLzcO+nJEXLmFTM CX0Ngd5EmHdYWzZtxVoX6t9v0y5U4FdoXi5QDhKnICh+TSICxPtQZtKaoHwsDh/VoM vQmW2OPP5wwV2zMjBmLY4mDIe+9lbGTmNnvgHKoHC8ny5GwbLyR+gQcUJZ+DUslQD9 cyh14shLX0isbX4fBLU18WDPhCqImpEClEGvnbT5PmOZ84YLo1ZdS5DOn6Hp4s7Rbb cvIA3m3u99G8A== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 771B5D111AD; Mon, 4 Nov 2024 06:44:06 +0000 (UTC) From: Hermes Wu via B4 Relay Date: Mon, 04 Nov 2024 14:43:34 +0800 Subject: [PATCH v7 04/10] drm/bridge: it6505: Change definition MAX_HDCP_DOWN_STREAM_COUNT MIME-Version: 1.0 Message-Id: <20241104-v7-upstream-v7-4-8b71fd0f1d2d@ite.com.tw> References: <20241104-v7-upstream-v7-0-8b71fd0f1d2d@ite.com.tw> In-Reply-To: <20241104-v7-upstream-v7-0-8b71fd0f1d2d@ite.com.tw> To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , AngeloGioacchino Del Regno , Hermes Wu Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Pin-yen Lin , Kenneth Hung , Pet Weng , Hermes Wu , Dmitry Baryshkov X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1730702658; l=994; i=Hermes.wu@ite.com.tw; s=20241101; h=from:subject:message-id; bh=LXCX7YKUcq6qewqH/z3sJdCcnXEOYr4Q2Lg8igxzYE4=; b=P+iT0z0dBfYBkX5Foabrt2Xum8ijPioFa24M1Oq18B9ckRPVR4m58R+9YzsklK5GGvUZOw1dP H4tv1W844lmCwy5UwPKTAyMMfgrzVVgvuOgd1bnjoQZcwY2Oj70Bvww X-Developer-Key: i=Hermes.wu@ite.com.tw; a=ed25519; pk=FOYYbsP2Nlw6mjB3rLFYSLmAiENzj4AWQly5XTcDuMM= X-Endpoint-Received: by B4 Relay for Hermes.wu@ite.com.tw/20241101 with auth_id=268 X-Original-From: Hermes Wu 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: , Reply-To: Hermes.wu@ite.com.tw Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Hermes Wu A HDCP source device shall support max downstream to 127 devices. Change definition MAX_HDCP_DOWN_STREAM_COUNT to 127 KSVs shall save for DRM blocked devices check. This results in struct it6505 growth by ~0.5 KiB. Reviewed-by: Dmitry Baryshkov Signed-off-by: Hermes Wu --- drivers/gpu/drm/bridge/ite-it6505.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/ite-it6505.c b/drivers/gpu/drm/bridge/ite-it6505.c index ba37974967767a17b7025595f6864f057174efb9..9a90a36d0421422038b04ad00b2cb2e326a9cab4 100644 --- a/drivers/gpu/drm/bridge/ite-it6505.c +++ b/drivers/gpu/drm/bridge/ite-it6505.c @@ -298,7 +298,7 @@ #define MAX_LANE_COUNT 4 #define MAX_LINK_RATE HBR #define AUTO_TRAIN_RETRY 3 -#define MAX_HDCP_DOWN_STREAM_COUNT 10 +#define MAX_HDCP_DOWN_STREAM_COUNT 127 #define MAX_CR_LEVEL 0x03 #define MAX_EQ_LEVEL 0x03 #define AUX_WAIT_TIMEOUT_MS 15