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([2a01:e0a:106d:1080:80b4:8b51:72a6:9e2a]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b8fc76c7015sm259165666b.66.2026.02.16.08.01.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 16 Feb 2026 08:01:20 -0800 (PST) Message-ID: Date: Mon, 16 Feb 2026 17:01:18 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Neil Armstrong Reply-To: Neil Armstrong Subject: Re: [PATCH v3 1/2] drm/panel: simple: Add Waveshare 13.3" panel support To: Marek Vasut , dri-devel@lists.freedesktop.org Cc: Conor Dooley , David Airlie , Geert Uytterhoeven , Jessica Zhang , Krzysztof Kozlowski , Maarten Lankhorst , Magnus Damm , Maxime Ripard , Rob Herring , Sam Ravnborg , Simona Vetter , Thierry Reding , Thomas Zimmermann , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org References: <20260117005028.126361-1-marek.vasut+renesas@mailbox.org> Content-Language: en-US, fr Autocrypt: addr=neil.armstrong@linaro.org; keydata= xsBNBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAHNKk5laWwgQXJtc3Ryb25nIDxuZWlsLmFybXN0cm9uZ0BsaW5hcm8ub3JnPsLAkQQTAQoA OwIbIwULCQgHAwUVCgkICwUWAgMBAAIeAQIXgBYhBInsPQWERiF0UPIoSBaat7Gkz/iuBQJk Q5wSAhkBAAoJEBaat7Gkz/iuyhMIANiD94qDtUTJRfEW6GwXmtKWwl/mvqQtaTtZID2dos04 YqBbshiJbejgVJjy+HODcNUIKBB3PSLaln4ltdsV73SBcwUNdzebfKspAQunCM22Mn6FBIxQ GizsMLcP/0FX4en9NaKGfK6ZdKK6kN1GR9YffMJd2P08EO8mHowmSRe/ExAODhAs9W7XXExw UNCY4pVJyRPpEhv373vvff60bHxc1k/FF9WaPscMt7hlkbFLUs85kHtQAmr8pV5Hy9ezsSRa GzJmiVclkPc2BY592IGBXRDQ38urXeM4nfhhvqA50b/nAEXc6FzqgXqDkEIwR66/Gbp0t3+r yQzpKRyQif3OwE0ETVkGzwEIALyKDN/OGURaHBVzwjgYq+ZtifvekdrSNl8TIDH8g1xicBYp QTbPn6bbSZbdvfeQPNCcD4/EhXZuhQXMcoJsQQQnO4vwVULmPGgtGf8PVc7dxKOeta+qUh6+ SRh3vIcAUFHDT3f/Zdspz+e2E0hPV2hiSvICLk11qO6cyJE13zeNFoeY3ggrKY+IzbFomIZY 4yG6xI99NIPEVE9lNBXBKIlewIyVlkOaYvJWSV+p5gdJXOvScNN1epm5YHmf9aE2ZjnqZGoM Mtsyw18YoX9BqMFInxqYQQ3j/HpVgTSvmo5ea5qQDDUaCsaTf8UeDcwYOtgI8iL4oHcsGtUX oUk33HEAEQEAAcLAXwQYAQIACQUCTVkGzwIbDAAKCRAWmrexpM/4rrXiB/sGbkQ6itMrAIfn M7IbRuiSZS1unlySUVYu3SD6YBYnNi3G5EpbwfBNuT3H8//rVvtOFK4OD8cRYkxXRQmTvqa3 3eDIHu/zr1HMKErm+2SD6PO9umRef8V82o2oaCLvf4WeIssFjwB0b6a12opuRP7yo3E3gTCS KmbUuLv1CtxKQF+fUV1cVaTPMyT25Od+RC1K+iOR0F54oUJvJeq7fUzbn/KdlhA8XPGzwGRy 4zcsPWvwnXgfe5tk680fEKZVwOZKIEuJC3v+/yZpQzDvGYJvbyix0lHnrCzq43WefRHI5XTT QbM0WUIBIcGmq38+OgUsMYu4NzLu7uZFAcmp6h8g Organization: Linaro In-Reply-To: <20260117005028.126361-1-marek.vasut+renesas@mailbox.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 1/17/26 01:49, Marek Vasut wrote: > Add WaveShare 13.3inch 1920x1080 DSI Capacitive Touch Display support. > > While the panel is described as DPI panel, it is part of a larger unit > in non-removable metal casing, so the actual internal configuration is > not known. The panel is attached to "waveshare,dsi2dpi" bridge via DT. > It is likely that internally, this panel is an LVDS panel, connected to > ICN6211 DSI-to-DPI bridge and then another unknown DPI-to-LVDS bridge. > > Current device link is at https://www.waveshare.com/13.3inch-dsi-lcd.htm > > Signed-off-by: Marek Vasut > --- > Cc: Conor Dooley > Cc: David Airlie > Cc: Geert Uytterhoeven > Cc: Jessica Zhang > Cc: Krzysztof Kozlowski > Cc: Maarten Lankhorst > Cc: Magnus Damm > Cc: Maxime Ripard > Cc: Neil Armstrong > Cc: Rob Herring > Cc: Sam Ravnborg > Cc: Simona Vetter > Cc: Thierry Reding > Cc: Thomas Zimmermann > Cc: devicetree@vger.kernel.org > Cc: dri-devel@lists.freedesktop.org > Cc: linux-kernel@vger.kernel.org > Cc: linux-renesas-soc@vger.kernel.org > --- > V3: New patch. Note that the compatible string is already part of > Documentation/devicetree/bindings/display/panel/panel-simple.yaml > --- > drivers/gpu/drm/panel/panel-simple.c | 30 ++++++++++++++++++++++++++++ > 1 file changed, 30 insertions(+) > > diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c > index 91ab280869bac..40a73c32b0b17 100644 > --- a/drivers/gpu/drm/panel/panel-simple.c > +++ b/drivers/gpu/drm/panel/panel-simple.c > @@ -4998,6 +4998,33 @@ static const struct panel_desc vl050_8048nt_c01 = { > .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE, > }; > > +static const struct drm_display_mode waveshare_133inch_mode = { > + .clock = 148500, > + .hdisplay = 1920, > + .hsync_start = 1920 + 88, > + .hsync_end = 1920 + 88 + 44, > + .htotal = 1920 + 88 + 44 + 148, > + .vdisplay = 1080, > + .vsync_start = 1080 + 4, > + .vsync_end = 1080 + 4 + 5, > + .vtotal = 1080 + 4 + 5 + 36, > + .flags = DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_PHSYNC, > +}; > + > +static const struct panel_desc waveshare_133inch = { > + .modes = &waveshare_133inch_mode, > + .num_modes = 1, > + .bpc = 8, > + .size = { > + .width = 293, > + .height = 163, > + }, > + .bus_format = MEDIA_BUS_FMT_RGB888_1X24, > + .connector_type = DRM_MODE_CONNECTOR_DPI, > + .bus_flags = DRM_BUS_FLAG_PIXDATA_SAMPLE_POSEDGE | > + DRM_BUS_FLAG_SYNC_SAMPLE_POSEDGE, > +}; > + > static const struct drm_display_mode winstar_wf35ltiacd_mode = { > .clock = 6410, > .hdisplay = 320, > @@ -5598,6 +5625,9 @@ static const struct of_device_id platform_of_match[] = { > }, { > .compatible = "vxt,vl050-8048nt-c01", > .data = &vl050_8048nt_c01, > + }, { > + .compatible = "waveshare,13.3inch-panel", > + .data = &waveshare_133inch, > }, { > .compatible = "winstar,wf35ltiacd", > .data = &winstar_wf35ltiacd, LGTM Reviewed-by: Neil Armstrong Thanks, Neil