Message ID | 20250320-cdns-dsi-impro-v1-18-725277c5f43b@ideasonboard.com (mailing list archive) |
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State | New |
Headers | show
Return-Path: <dri-devel-bounces@lists.freedesktop.org> 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 32142C36001 for <dri-devel@archiver.kernel.org>; Thu, 20 Mar 2025 16:01:03 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7922C10E671; Thu, 20 Mar 2025 16:01:02 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="YRc/72gg"; dkim-atps=neutral Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6590310E670 for <dri-devel@lists.freedesktop.org>; Thu, 20 Mar 2025 16:00:52 +0000 (UTC) Received: from [127.0.1.1] (91-158-153-178.elisa-laajakaista.fi [91.158.153.178]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id DE811250A; Thu, 20 Mar 2025 16:59:06 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1742486347; bh=QpPNCE/E/KWQolKtCOFkofej8djB0ueW3MJ0KSDshcA=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=YRc/72ggG0toHOpFZ/BCgslWMD3HdlJpcT6czhZK7/OSHGeAkp3gUIr2FzCpHHZhn 1umV9fgcd18nGHvHL1gB8OVkSy9NJ6o3fBjknF9s1Fed8uw4WTSQQPC8rcCBROf8lu /hkjdKkQoVzEjIdq+OsAX7LBmHK7IGlybG0xt46c= From: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Date: Thu, 20 Mar 2025 18:00:13 +0200 Subject: [PATCH 18/18] drm/bridge: cdns-dsi: Don't fail on MIPI_DSI_MODE_VIDEO_BURST MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250320-cdns-dsi-impro-v1-18-725277c5f43b@ideasonboard.com> References: <20250320-cdns-dsi-impro-v1-0-725277c5f43b@ideasonboard.com> In-Reply-To: <20250320-cdns-dsi-impro-v1-0-725277c5f43b@ideasonboard.com> To: Jyri Sarha <jyri.sarha@iki.fi>, Maarten Lankhorst <maarten.lankhorst@linux.intel.com>, Maxime Ripard <mripard@kernel.org>, Thomas Zimmermann <tzimmermann@suse.de>, David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>, Vinod Koul <vkoul@kernel.org>, Kishon Vijay Abraham I <kishon@kernel.org>, Andrzej Hajda <andrzej.hajda@intel.com>, Neil Armstrong <neil.armstrong@linaro.org>, Robert Foss <rfoss@kernel.org>, Laurent Pinchart <Laurent.pinchart@ideasonboard.com>, Jonas Karlman <jonas@kwiboo.se>, Jernej Skrabec <jernej.skrabec@gmail.com> Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, Francesco Dolcini <francesco@dolcini.it>, Aradhya Bhatia <aradhya.bhatia@linux.dev>, Devarsh Thakkar <devarsht@ti.com>, Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> X-Mailer: b4 0.15-dev-c25d1 X-Developer-Signature: v=1; a=openpgp-sha256; l=1141; i=tomi.valkeinen@ideasonboard.com; h=from:subject:message-id; bh=QpPNCE/E/KWQolKtCOFkofej8djB0ueW3MJ0KSDshcA=; b=owEBbQKS/ZANAwAIAfo9qoy8lh71AcsmYgBn3DucYZK5+NXYKzJdd92G5rg9oQKnoa7JAD37U yJIIGrHFUiJAjMEAAEIAB0WIQTEOAw+ll79gQef86f6PaqMvJYe9QUCZ9w7nAAKCRD6PaqMvJYe 9Y06D/4rAhssTack4HqjC5UtxrcEAjrkFWN5o67P5tlC9R8Vn4uRFWQcmlqGdpL6k/A71CGm0Oi +mnV5lqIDCqIP6lizBE0zTXJWB0E0BLjv+nJaxXqf8Pk0BT38AU6NZH2s5ZSOLiBjRTHn0s6Eo3 hFAY2gCT4xZfqZKT4iFLMGAmFHfIrmgs1uB3DAxbHAxv++Ms8CTg9JrdHvF+fTpl9tYX2bNUFux XueuOxfPRd62CS1T+mJrcql5kSUNGrkq8BMvc1goHn9AecIw+d3n/MpvnvRMWBBzCIXSqTutEnv PV7dnA/e0fGKKA7pxcXEi1C9egEitsAsRV3W2h9A6Vplf0vCm69NmczyMMh5Z4eP1vABp/S8DrC 0wnIgEJb3pIDca2PxG5gILF+ZCjdPMRGHKlfAfElU22XanbR8B+PLT+3sRhm2Z/JROu9NCuKpSB dZjRTrsqF4MDSKDpw6MENP2uy0wU9btREJ7EG9FkAZxvd4whD1fJeiYzEkZyTtxcy87l4OElfSF ecZU2RhxfedKZt/gGamZFYa9qT+eoimTBB0Zry9MKYyVHKltUz5QRV0+Fn9d2wFWI4bkABK08nf 2HUyQbCRWwJGfNSJDMv8pg0rQiaCPvbjVSZ6di21hyj471vp9w21oxRzhcHIVChijk88xJleK1d m9JZZ2aJEbI+ibg== X-Developer-Key: i=tomi.valkeinen@ideasonboard.com; a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development <dri-devel.lists.freedesktop.org> List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/dri-devel>, <mailto:dri-devel-request@lists.freedesktop.org?subject=unsubscribe> List-Archive: <https://lists.freedesktop.org/archives/dri-devel> List-Post: <mailto:dri-devel@lists.freedesktop.org> List-Help: <mailto:dri-devel-request@lists.freedesktop.org?subject=help> List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/dri-devel>, <mailto:dri-devel-request@lists.freedesktop.org?subject=subscribe> Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org> |
Series |
drm/bridge: cdns-dsi: Make it work a bit better
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diff --git a/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c b/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c index 0bb55584cb44..4b77a203b608 100644 --- a/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c +++ b/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c @@ -1057,10 +1057,6 @@ static int cdns_dsi_attach(struct mipi_dsi_host *host, if (output->dev) return -EBUSY; - /* We do not support burst mode yet. */ - if (dev->mode_flags & MIPI_DSI_MODE_VIDEO_BURST) - return -ENOTSUPP; - /* * The host <-> device link might be described using an OF-graph * representation, in this case we extract the device of_node from
While the cdns-dsi does not support DSI burst mode, the burst mode is essentially DSI event mode with more versatile clocking and timings. Thus cdns-dsi doesn't need to fail if the DSI peripheral driver requests MIPI_DSI_MODE_VIDEO_BURST. In my particular use case, this allows the use of ti-sn65dsi83 driver. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> --- drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c | 4 ---- 1 file changed, 4 deletions(-)