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Thu, 12 Sep 2024 13:29:04 -0700 (PDT) Received: from [192.168.0.10] ([178.233.24.52]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-37895675c11sm15086968f8f.55.2024.09.12.13.29.02 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 12 Sep 2024 13:29:03 -0700 (PDT) Message-ID: <6c9b7f85-f92d-44ed-ae9d-00f6d55ea614@gmail.com> Date: Thu, 12 Sep 2024 23:29:00 +0300 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 0/5] Support alpha blending in MTK display driver To: linux-mediatek@lists.infradead.org, Chun-Kuang Hu , Hsiao Chien Sung Cc: Philipp Zabel , David Airlie , Daniel Vetter , Matthias Brugger , AngeloGioacchino Del Regno , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Hsiao Chien Sung , CK Hu , Chen-Yu Tsai References: <20240717-alpha-blending-v4-0-4b1c806c0749@mediatek.com> From: Alper Nebi Yasak Content-Language: en-US, tr, en-GB In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240912_132907_191077_F5AED6B9 X-CRM114-Status: GOOD ( 10.10 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, On 2024-07-31 16:34 +03:00, Chun-Kuang Hu wrote: > Hi, Shawn: > > Hsiao Chien Sung via B4 Relay > 於 2024年7月17日 週三 下午1:24寫道： >> >> Support "Pre-multiplied" and "None" blend mode on MediaTek's chips by >> adding correct blend mode property when the planes init. >> Before this patch, only the "Coverage" mode (default) is supported. > > For the whole series, applied to mediatek-drm-next [1], thanks. > > [1] https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/log/?h=mediatek-drm-next I am seeing broken colors on an MT8173 Chromebook with next-20240912, which goes away if I git-revert this series (commits 1f66fe62cc09 eb17c5909481 a3f7f7ef4bfe 59e9d9de25f0 4225d5d5e779). To illustrate, I took a picture [1] of some color mixing diagrams from Wikipedia [2]. Do you have an idea of what goes wrong? (I'm busy with too many things so I don't want to debug it now...) [1] https://i.imgur.com/tNFvovB.jpeg [2] https://en.wikipedia.org/wiki/Color_space#Generic