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Wed, 12 Mar 2025 08:07:25 +0000 (GMT) Received: from nasanex01a.na.qualcomm.com (nasanex01a.na.qualcomm.com [10.52.223.231]) by NASANPPMTA03.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 52C87OUp026380 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 12 Mar 2025 08:07:24 GMT Received: from [10.216.38.182] (10.80.80.8) by nasanex01a.na.qualcomm.com (10.52.223.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Wed, 12 Mar 2025 01:07:19 -0700 Message-ID: <5e4838e5-b5f1-7107-78b8-cfd9d5620e2e@quicinc.com> Date: Wed, 12 Mar 2025 13:37:16 +0530 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:102.0) Gecko/20100101 Thunderbird/102.15.1 Subject: Re: [PATCH 2/4] dt-bindings: media: qcom,sm8550-iris: document SA8775p IRIS accelerator Content-Language: en-US To: Dmitry Baryshkov CC: Dikshita Agarwal , Abhinav Kumar , Mauro Carvalho Chehab , "Rob Herring" , Krzysztof Kozlowski , "Conor Dooley" , Bjorn Andersson , "Konrad Dybcio" , , , , References: <20250311-dtbinding-v1-0-5c807d33f7ae@quicinc.com> <20250311-dtbinding-v1-2-5c807d33f7ae@quicinc.com> From: Vikash Garodia In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01a.na.qualcomm.com (10.52.223.231) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Authority-Analysis: v=2.4 cv=D6NHKuRj c=1 sm=1 tr=0 ts=67d140bd cx=c_pps a=JYp8KDb2vCoCEuGobkYCKw==:117 a=JYp8KDb2vCoCEuGobkYCKw==:17 a=GEpy-HfZoHoA:10 a=IkcTkHD0fZMA:10 a=Vs1iUdzkB0EA:10 a=COk6AnOGAAAA:8 a=aMrZHK2ZkiMzTJC1X3MA:9 a=QEXdDO2ut3YA:10 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-GUID: jrP0J6cxO7BTmUO2dEJefqrV3_IC65S4 X-Proofpoint-ORIG-GUID: jrP0J6cxO7BTmUO2dEJefqrV3_IC65S4 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1093,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-03-12_03,2025-03-11_02,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 suspectscore=0 priorityscore=1501 mlxscore=0 spamscore=0 lowpriorityscore=0 phishscore=0 adultscore=0 malwarescore=0 mlxlogscore=999 clxscore=1015 impostorscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2502280000 definitions=main-2503120053 On 3/11/2025 9:01 PM, Dmitry Baryshkov wrote: > On Tue, Mar 11, 2025 at 05:33:54PM +0530, Vikash Garodia wrote: >> Document the IRIS video decoder and encoder accelerator found in the >> SA8775P platform. SA8775P has collapsible MX compared to SM8550. > > How compatible is SA8775P to SM8550? Should it be using a fallback > compatible? They are quite compatible. At the moment i do not see any reason for not using fallback compatible. Later, if we want to distinguish the associated platform data for SA8775P and SM8550, the compatible can be made independent and use it in driver to associate with its own platform data ? > > This kind of comes as a more generic question: is there anything like > 'IP version' or 'core version'? It would be really nice to determine the > 'baseline' SoCs and make other instances compatible with the baseline. It would be helpful if you can elaborate more on this with some drivers following it (if any) ? Regards, Vikash >> >> Signed-off-by: Vikash Garodia >> --- >> Documentation/devicetree/bindings/media/qcom,sm8550-iris.yaml | 4 +++- >> 1 file changed, 3 insertions(+), 1 deletion(-) >> >> diff --git a/Documentation/devicetree/bindings/media/qcom,sm8550-iris.yaml b/Documentation/devicetree/bindings/media/qcom,sm8550-iris.yaml >> index 440a0d7cdfe19a1ccedefc207d96b26eed5d6630..20ac596638ba33f49cce9e42d70d31a8aaa7c36e 100644 >> --- a/Documentation/devicetree/bindings/media/qcom,sm8550-iris.yaml >> +++ b/Documentation/devicetree/bindings/media/qcom,sm8550-iris.yaml >> @@ -19,7 +19,9 @@ allOf: >> >> properties: >> compatible: >> - const: qcom,sm8550-iris >> + enum: >> + - qcom,sm8550-iris >> + - qcom,sa8775p-iris >> >> power-domains: >> maxItems: 4 >> >> -- >> 2.34.1 >> >