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Mon, 09 Nov 2026 03:05:07 -0800 (PST) Received: from arrakeen-2.home ([2a01:e0a:106d:1080:8261:5fff:fe11:bdda]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-49596f9ab09sm8970489f8f.28.2026.11.09.03.05.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Nov 2026 03:05:04 -0800 (PST) From: Neil Armstrong To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Nicolas Belin , Jagan Teki , Shigeaki Asai Cc: dri-devel@lists.freedesktop.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, John Williams In-Reply-To: <20261004-meson-gamma-v1-1-6347558e2bb3@docomonet.jp> References: <20261004-meson-gamma-v1-1-6347558e2bb3@docomonet.jp> Subject: Re: [PATCH] drm/meson: encoder_dsi: load ENCL gamma table while ENCL is disabled Message-Id: <179422230388.1497673.3746542387809770384.b4-ty@b4> Date: Mon, 09 Nov 2026 12:05:03 +0100 X-Archived-By: MIME-Version: 1.0 X-Mailer: b4 0.15.2 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261109_030509_687313_9F9B66A0 X-CRM114-Status: UNSURE ( 6.75 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.1 (--) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" X-Spam-Status: No, score=-6.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=no autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Hi, On Sun, 04 Oct 2026 23:50:17 +0900, Shigeaki Asai wrote: > meson_encoder_dsi_atomic_enable() programmed the ENCL gamma LUT right > after meson_venc_mipi_dsi_mode_set(), i.e. while the ENCL timing > generator was already running (ENCL_VIDEO_EN=1). Writing the LUT > during active video stalls the hardware: L_GAMMA_CNTL_PORT > WR_RDY/ADR_RDY deassert and the ENCL line counter (ENCL_INFO_READ) > freezes, so every remaining write times out (~8s total at boot) and > the panel ends up with a corrupted gamma table (wrong colors). > > [...] Thanks, Applied to https://gitlab.freedesktop.org/drm/misc/kernel.git (drm-misc-fixes) [1/1] drm/meson: encoder_dsi: load ENCL gamma table while ENCL is disabled https://gitlab.freedesktop.org/drm/misc/kernel/-/commit/0cb7f6d9e4b1d0a411b628ccf78695ad41c66570 -- Neil _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic