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[83.97.153.254]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-35e0f97ba3csm15323756f8f.73.2024.06.05.12.58.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 05 Jun 2024 12:58:29 -0700 (PDT) Message-ID: <02e22411-e22e-41f7-8bca-95c8ef5a4346@gmail.com> Date: Wed, 5 Jun 2024 21:58:23 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 13/14] drm/bridge: synopsys: Add DW HDMI QP TX controller driver To: =?UTF-8?Q?Heiko_St=C3=BCbner?= , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Sandy Huang , Andy Yan , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Mark Yao , Cristian Ciocaltea Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, kernel@collabora.com, Alexandre ARNOUD , Algea Cao References: <20240601-b4-rk3588-bridge-upstream-v1-0-f6203753232b@collabora.com> <20240601-b4-rk3588-bridge-upstream-v1-13-f6203753232b@collabora.com> <2554679.TLnPLrj5Ze@diego> Content-Language: en-US From: Luis de Arquer In-Reply-To: <2554679.TLnPLrj5Ze@diego> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 6/5/24 16:48, Heiko Stübner wrote: > Without this change, connecting to a DVI display does not work, and > reading the EDID ends in the "i2c read error" below. I had a lot of problems initially with the vendor driver on my DVI display, and am aware that several changes were required. However, I tested Cristian patch and worked fine. All modes were apparently detected from the display and they all worked. But maybe I was just lucky and it was using a somehow cached table, I can't say. This is an AOC DVI display from 2011 with a passive adapter. Luis