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[209.85.222.52]) by smtp.gmail.com with ESMTPSA id 71dfb90a1353d-573b6d88d77sm2615555e0c.11.2026.04.30.00.48.19 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 30 Apr 2026 00:48:19 -0700 (PDT) Received: by mail-ua1-f52.google.com with SMTP id a1e0cc1a2514c-95cc1a5fe9cso191882241.2 for ; Thu, 30 Apr 2026 00:48:19 -0700 (PDT) X-Forwarded-Encrypted: i=1; AFNElJ86ZfH0jEWbxeja5pVs9uZX4xGX00Ei2BuhdS+l5gOGdaupbTSl679nqxXhx+J+B62s4QnoB4SkOqM=@lists.freedesktop.org X-Received: by 2002:a05:6102:2c03:b0:607:97b7:c283 with SMTP id ada2fe7eead31-62adc184803mr537851137.14.1777535299133; Thu, 30 Apr 2026 00:48:19 -0700 (PDT) MIME-Version: 1.0 References: <20260429170012.366537-1-prabhakar.mahadev-lad.rj@bp.renesas.com> <20260429170012.366537-5-prabhakar.mahadev-lad.rj@bp.renesas.com> In-Reply-To: <20260429170012.366537-5-prabhakar.mahadev-lad.rj@bp.renesas.com> From: Geert Uytterhoeven Date: Thu, 30 Apr 2026 09:48:07 +0200 X-Gmail-Original-Message-ID: X-Gm-Features: AVHnY4JziB5Cy-6q6RNu-Sgl0OAxCbsRcDaFW7edOENQcMoEBistztZzpXDIEcw Message-ID: Subject: Re: [PATCH 4/4] drm: renesas: rz-du: Add support for RZ/T2H SoC To: Prabhakar Cc: Biju Das , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Philipp Zabel , Geert Uytterhoeven , Magnus Damm , Laurent Pinchart , dri-devel@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Fabrizio Castro , Tommaso Merciai , Lad Prabhakar Content-Type: text/plain; charset="UTF-8" X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Hi Prabhakar, On Wed, 29 Apr 2026 at 19:00, Prabhakar wrote: > From: Lad Prabhakar > > The RZ/T2H (R9A09G077) SoC includes a DU with a DPI interface, > supporting resolutions up to WXGA with two RPFs for layer blending. > Unlike earlier RZ/G2L SoCs, RZ/T2H requires explicit assertion of a > DPI output-enable signal (DU_MCR0_DPI_EN) during CRTC startup. > > Signed-off-by: Lad Prabhakar Thanks for your patch! > --- a/drivers/gpu/drm/renesas/rz-du/rzg2l_du_drv.h > +++ b/drivers/gpu/drm/renesas/rz-du/rzg2l_du_drv.h > @@ -20,6 +20,8 @@ > struct device; > struct drm_property; > > +#define RZG2L_DU_FEATURE_DPIO_OE BIT(0) /* Has DPIO output enable control */ Note that this addition conflicts with #define RZG2L_DU_FEATURE_SMUX2_DSI_CLK BIT(0) /* Per output mux */ in "[PATCH v6 15/21] drm: renesas: rz-du: Add RZ/G3E support" https://lore.kernel.org/11313371ef0b31cb5f014e171ba0d9868eb0710d.1775636898.git.tommaso.merciai.xr@bp.renesas.com/ > + > enum rzg2l_du_output { > RZG2L_DU_OUTPUT_DSI0, > RZG2L_DU_OUTPUT_DPAD0, Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds