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a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1764096859; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=FcggBhfyoYwFuVXaFI/FvU/3VIn4AeMDtsUY+2IsOQU=; b=t/FnXYSeBEs4vd3Bxzc4dTruoew54DP5BJ4YPVTDHi5DdzLJRnmbPUnx+8LuJievWEFVtN xfH04YlR/rg9Gk3wS3vmaoSwXvZuI9V5npQLCQQAS7CkpoxLMbklWx94jwYud0xa+zjnB1 YrulfoTNY/9jpOp/H2PRmKbYpNHfAs1JFG8+C3lmjGNQpshkRh0G07gtnqhaPFoP8jl7aw nXxmbPmWYEyC2bHvvlPyy4rDqGQNZ9MBCQKbWI6wMU0196ucZ0rLlrDug4827P6nFUlDJk bjs4BAAUb4IqpfrMteXS4cY4rXVhFyU4x3b6M6qhygu/gzks7mW2FkepvGU4qQ== Date: Tue, 25 Nov 2025 19:54:13 +0100 Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH v4 0/3] drm/atomic-helpers: Fix MCDE/R-Car DU regressions To: Linus Walleij , Linus Walleij Cc: Tomi Valkeinen , Marek Vasut , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Laurent Pinchart , Tomi Valkeinen , Kieran Bingham , Geert Uytterhoeven , Magnus Damm , Aradhya Bhatia , Dmitry Baryshkov , dri-devel@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, Geert Uytterhoeven References: <20251121-mcde-drm-regression-thirdfix-v4-0-d89bf8c17f85@linaro.org> Content-Language: en-US From: Marek Vasut In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-MBO-RS-ID: 0bab379abbe31bf2e1f X-MBO-RS-META: y95uumguexgbmmtmederedqsc389nhbg X-Rspamd-Queue-Id: 4dGBgd2wjkz9tdV On 11/25/25 5:13 PM, Linus Walleij wrote: Hello everyone, >> This fixes two regressions experienced in the MCDE and >> R-Car DU DRM drivers after >> commit c9b1150a68d9362a0827609fc0dc1664c0d8bfe1 >> "drm/atomic-helper: Re-order bridge chain pre-enable and post-disable" >> caused a series of regressions in all panels that send >> DSI commands in their .prepare() and .unprepare() >> callbacks. >> >> This series make it possible to selectively bring back the >> old behaviour with explicit semantics and implements >> the old behaviour as modified commit tails in MCDE and >> R-Car DU. > > So what's the take on this patch series? > > Maxime: is this what you had in mind? Acked-by? > > Marek: do you think you have an opportunity to test this on the R-Car DU? I'm sorry, I admittedly was happy that Tomi took over and I could focus on other topics. Now, I tested this series on R-Car V4H Retronix Sparrow Hawk board with RPi 7" Display 2 with ILI9881C controller, on current next-20251125 . For this series: Tested-by: Marek Vasut Thank you for taking care of this and your hard work !