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Sat, 22 Feb 2025 18:26:51 -0500 (EST) X-Mailer: MessagingEngine.com Webmail Interface MIME-Version: 1.0 Date: Sun, 23 Feb 2025 12:26:17 +1300 From: "Ryan Walklin" To: "Jernej Skrabec" , "Maxime Ripard" , "Chen-Yu Tsai" , "Maarten Lankhorst" , "Thomas Zimmermann" , "David Airlie" , "Daniel Vetter" , "Samuel Holland" , "Rob Herring" , "Krzysztof Kozlowski" , "Conor Dooley" , "Michael Turquette" , "Stephen Boyd" Cc: "Andre Przywara" , "Chris Morgan" , "Hironori KIKUCHI" , "Philippe Simons" , "Dmitry Baryshkov" , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, devicetree@vger.kernel.org, linux-clk@vger.kernel.org Message-Id: <44980f16-4b9c-4e49-92fa-af8b2677ca31@app.fastmail.com> In-Reply-To: <7770397.EvYhyI6sBW@jernej-laptop> References: <20250216183524.12095-1-ryan@testtoast.com> <2221204.Mh6RI2rZIc@jernej-laptop> <2a864555-d81f-4048-aa0b-c286544faa50@app.fastmail.com> <7770397.EvYhyI6sBW@jernej-laptop> Subject: Re: [PATCH v7 00/27] drm: sun4i: add Display Engine 3.3 (DE33) support Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250222_152655_575423_CFD2476F X-CRM114-Status: GOOD ( 11.72 ) 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 On Sat, 22 Feb 2025, at 10:28 PM, Jernej =C5=A0krabec wrote: > Sorry, completely forgot. YUV420 HDMI code relies on my previous work,=20 > with which > Maxime wasn't happy with: > > https://lore.kernel.org/linux-sunxi/20230924192604.3262187-1-jernej.sk= rabec@gmail.com/ > > So unless switching HDMI to bridge ops is implemented, which also=20 > brings format, > YUV formatter and some other patches just add unused code, which isn't=20 > ideal, > especially if we decide to rework driver before that code can be put i= n=20 > acceptable > state for all involved. > > From quick look, patches 5-13, 26 should be dropped for now. Not sure = about 1-4. > > I'm fine with AFBC support going in, it's just one patch. Makes sense, ok I will prepare a pure DE33 patch with AFBC and RGB suppo= rt, removing the YUV code. I think the CSC changes (1-4) are good to sta= y as it is a change that makes sense regardless and makes the YUV work a= bit easier. Thanks for the other clarifications and vendor code links, will do a bit= of reading. Regards, Ryan