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Fri, 31 May 2024 16:18:10 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 44VGI8Kw013354 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 31 May 2024 16:18:09 GMT Received: from [10.226.59.182] (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Fri, 31 May 2024 09:18:07 -0700 Message-ID: <7428a2f7-befc-6db8-76f4-3ca8dc12d31c@quicinc.com> Date: Fri, 31 May 2024 10:18:07 -0600 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.6.0 Subject: Re: [PATCH v3 0/3] drm/panel-edp: remove several legacy compatibles used by the driver Content-Language: en-US To: Dmitry Baryshkov , Douglas Anderson , Neil Armstrong , "Jessica Zhang" , Sam Ravnborg , "Maarten Lankhorst" , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter CC: , , , References: <20240531-edp-panel-drop-v3-0-4c98b2b95e3a@linaro.org> From: Jeffrey Hugo In-Reply-To: <20240531-edp-panel-drop-v3-0-4c98b2b95e3a@linaro.org> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: KDqy62VT-sUlJKS5paT22JNBEFfhfxT7 X-Proofpoint-GUID: KDqy62VT-sUlJKS5paT22JNBEFfhfxT7 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.650,FMLib:17.12.28.16 definitions=2024-05-31_12,2024-05-30_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 mlxlogscore=999 phishscore=0 malwarescore=0 impostorscore=0 bulkscore=0 suspectscore=0 priorityscore=1501 clxscore=1011 spamscore=0 mlxscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2405170001 definitions=main-2405310122 On 5/30/2024 5:12 PM, Dmitry Baryshkov wrote: > There are two ways to describe an eDP panel in device tree. The > recommended way is to add a device on the AUX bus, ideally using the > edp-panel compatible. The legacy way is to define a top-level platform > device for the panel. > > Document that adding support for eDP panels in a legacy way is strongly > discouraged (if not forbidden at all). > > While we are at it, also drop legacy compatible strings and bindings for > five panels. These compatible strings were never used by a DT file > present in Linux kernel and most likely were never used with the > upstream Linux kernel. > > The following compatibles were never used by the devices supported by > the upstream kernel and are a subject to possible removal: > > - lg,lp097qx1-spa1 > - samsung,lsn122dl01-c01 > - sharp,ld-d5116z01b Ok to drop the sharp one I added. It should be able to be handled by the (newish) edp-panel, but I think the TI bridge driver needs some work for the specific platform (no I2C connection) to verify. -Jeff