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[66.90.144.107]) by smtp.gmail.com with ESMTPSA id j23-20020a4adf57000000b004a3543fbfbbsm1442686oou.14.2022.12.16.15.57.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 16 Dec 2022 15:57:59 -0800 (PST) Received: (nullmailer pid 108564 invoked by uid 1000); Fri, 16 Dec 2022 23:57:58 -0000 Date: Fri, 16 Dec 2022 17:57:58 -0600 From: Rob Herring To: Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= Cc: Philipp Zabel , David Airlie , Daniel Vetter , Krzysztof Kozlowski , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v3 0/2] drm/imx/lcdc: Implement DRM driver for imx21 Message-ID: <20221216235758.GA88372-robh@kernel.org> References: <20221216175006.456831-1-u.kleine-koenig@pengutronix.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20221216175006.456831-1-u.kleine-koenig@pengutronix.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221216_155801_208323_78D9F50B X-CRM114-Status: GOOD ( 14.95 ) 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: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Dec 16, 2022 at 06:50:04PM +0100, Uwe Kleine-K=F6nig wrote: > Hello, > = > Changes since v2: > = > - added allOf as Krzysztof requested > - reworked driver based on Philipp's comments > (improved error handling, different selects, moved driver to a subdire= ctory, > header sorting, drm_err instead of DRM_ERROR, inlined > imx_lcdc_check_mode_change, make use of dev_err_probe()) > = > Krzysztof also pointed out that we're now having two compatibles for a > single hardware. Admittedly this is unusual, but this is the chance that > the (bad) compatible identifier imx21-fb gets deprecated. The hardware > is called LCDC and only the linux (framebuffer) driver is called imxfb. The problem is you can't have firmware (with the DTB) that supports = both. Well, you can if you want to have some firmware setting that = selects which one. Otherwise, it's really an OS problem to decide what = to use. = Rob _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel