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([2a01:e0a:3d9:2080:d283:7a7e:4c57:678d]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-432bd0e16d2sm22088869f8f.13.2026.01.09.01.01.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 09 Jan 2026 01:01:39 -0800 (PST) Message-ID: Date: Fri, 9 Jan 2026 10:01:38 +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 1/3] drm/panel: ilitek-ili9806e: prepare for multiple bus support To: Dario Binacchi , linux-kernel@vger.kernel.org Cc: linux-amarula@amarulasolutions.com, David Airlie , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Michael Walle , Simona Vetter , Thomas Zimmermann , dri-devel@lists.freedesktop.org References: <20260106154446.2735701-1-dario.binacchi@amarulasolutions.com> <20260106154446.2735701-2-dario.binacchi@amarulasolutions.com> 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: <20260106154446.2735701-2-dario.binacchi@amarulasolutions.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 1/6/26 16:43, Dario Binacchi wrote: > This change clarifies that the current implementation is specific to the > MIPI-DSI interface. By separating the core config from the DSI-specific > one, we prepare the driver for future support of other buses (like > SPI) while maintaining backward compatibility through the default > assignment in Kconfig. > > Signed-off-by: Dario Binacchi > --- > > MAINTAINERS | 2 +- > drivers/gpu/drm/panel/Kconfig | 10 +++++++++- > drivers/gpu/drm/panel/Makefile | 2 +- > ...l-ilitek-ili9806e.c => panel-ilitek-ili9806e-dsi.c} | 2 +- > 4 files changed, 12 insertions(+), 4 deletions(-) > rename drivers/gpu/drm/panel/{panel-ilitek-ili9806e.c => panel-ilitek-ili9806e-dsi.c} (99%) > > diff --git a/MAINTAINERS b/MAINTAINERS > index a0dd762f5648..40a77e5fd2fd 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -7909,7 +7909,7 @@ F: drivers/gpu/drm/panel/panel-ilitek-ili9805.c > DRM DRIVER FOR ILITEK ILI9806E PANELS > M: Michael Walle > S: Maintained > -F: drivers/gpu/drm/panel/panel-ilitek-ili9806e.c > +F: drivers/gpu/drm/panel/panel-ilitek-ili9806e-dsi.c > > DRM DRIVER FOR JADARD JD9365DA-H3 MIPI-DSI LCD PANELS > M: Jagan Teki > diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig > index 7a83804fedca..9ab72f3ab32e 100644 > --- a/drivers/gpu/drm/panel/Kconfig > +++ b/drivers/gpu/drm/panel/Kconfig > @@ -260,12 +260,20 @@ config DRM_PANEL_ILITEK_ILI9805 > config DRM_PANEL_ILITEK_ILI9806E > tristate "Ilitek ILI9806E-based panels" > depends on OF > - depends on DRM_MIPI_DSI You may need to check if this symbol is used in a kernel config and rename it, and I think this one should be renamed as _CORE, with the tristate and help text removed, the DSI and SPI should simply select it. But first in this patch, just remove this entry and re-introduce an hidden code config on the next patch. > depends on BACKLIGHT_CLASS_DEVICE > help > Say Y if you want to enable support for panels based on the > Ilitek ILI9806E controller. > > +config DRM_PANEL_ILITEK_ILI9806E_DSI > + tristate "Ilitek ILI9806E DSI panel" > + depends on DRM_MIPI_DSI > + depends on DRM_PANEL_ILITEK_ILI9806E > + default DRM_PANEL_ILITEK_ILI9806E > + help > + Say Y here if you want to be able to access the Ilitek > + ILI9806E panel using DSI. > + > config DRM_PANEL_ILITEK_ILI9881C > tristate "Ilitek ILI9881C-based panels" > depends on OF > diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile > index b9562a6fdcb3..00071a983242 100644 > --- a/drivers/gpu/drm/panel/Makefile > +++ b/drivers/gpu/drm/panel/Makefile > @@ -26,7 +26,7 @@ obj-$(CONFIG_DRM_PANEL_HYDIS_HV101HD1) += panel-hydis-hv101hd1.o > obj-$(CONFIG_DRM_PANEL_ILITEK_IL9322) += panel-ilitek-ili9322.o > obj-$(CONFIG_DRM_PANEL_ILITEK_ILI9341) += panel-ilitek-ili9341.o > obj-$(CONFIG_DRM_PANEL_ILITEK_ILI9805) += panel-ilitek-ili9805.o > -obj-$(CONFIG_DRM_PANEL_ILITEK_ILI9806E) += panel-ilitek-ili9806e.o > +obj-$(CONFIG_DRM_PANEL_ILITEK_ILI9806E_DSI) += panel-ilitek-ili9806e-dsi.o > obj-$(CONFIG_DRM_PANEL_ILITEK_ILI9881C) += panel-ilitek-ili9881c.o > obj-$(CONFIG_DRM_PANEL_ILITEK_ILI9882T) += panel-ilitek-ili9882t.o > obj-$(CONFIG_DRM_PANEL_INNOLUX_EJ030NA) += panel-innolux-ej030na.o > diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9806e.c b/drivers/gpu/drm/panel/panel-ilitek-ili9806e-dsi.c > similarity index 99% > rename from drivers/gpu/drm/panel/panel-ilitek-ili9806e.c > rename to drivers/gpu/drm/panel/panel-ilitek-ili9806e-dsi.c > index 18aa6222b0c5..e02e28b67e29 100644 > --- a/drivers/gpu/drm/panel/panel-ilitek-ili9806e.c > +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9806e-dsi.c > @@ -561,5 +561,5 @@ module_mipi_dsi_driver(ili9806e_dsi_driver); > > MODULE_AUTHOR("Gunnar Dibbern "); > MODULE_AUTHOR("Michael Walle "); > -MODULE_DESCRIPTION("Ilitek ILI9806E Controller Driver"); > +MODULE_DESCRIPTION("Ilitek ILI9806E LCD DSI Controller Driver"); > MODULE_LICENSE("GPL");