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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b7cfa29bea0sm1982067166b.8.2025.12.17.04.51.29 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 17 Dec 2025 04:51:30 -0800 (PST) Message-ID: <47758ce9-5ec6-4ed6-9f84-13cbdd444d75@oss.qualcomm.com> Date: Wed, 17 Dec 2025 13:51:28 +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 Subject: Re: [PATCH v2 2/2] arm64: dts: qcom: x1e78100-t14s: Add audio playback over DisplayPort To: Krzysztof Kozlowski , Krzysztof Kozlowski , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Abel Vesa References: <20251217120051.98198-3-krzysztof.kozlowski@oss.qualcomm.com> <20251217120051.98198-4-krzysztof.kozlowski@oss.qualcomm.com> <2d4953c6-184d-423b-80e9-871c6e00da35@oss.qualcomm.com> <564732e7-2c86-417d-8568-69f40ea7d4da@kernel.org> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <564732e7-2c86-417d-8568-69f40ea7d4da@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjE3MDA5OSBTYWx0ZWRfX8nA/v59qVC5x YOAEMvzDrzQhjei7AzyFHin3rUXjlB0paYsjidT317hhk5ggPurHmZIOLmT5gGm75Pz19XgfJFF uNUZwZiGSB6KGzSdQBe4tMqcxcwl6B2wHfM4yhU9SzFv12ChR55aEFhThtQbtDaCfCV5J2pWKf8 W3YhklDa0BbyBVwI/vtVXL/7sGPyGIRL7z3qgGagjgAFRE9gZ2/213XWAl1UVyw3whrv8zphxNy JjfJsSd1fcOa509X9EUyy9vjxiZVItQooYLXQMcIIz/cCziMEwKkF1ScLmXLRQx3qcTmAklk++j uOt3wdHXfn0EGSxsFweXoIzZ1lVICJq6+IK0TjJz88yRQPl363w6NQN7q746LIb7RIiAdNa67Gx f8HQRbDG0VRWXnti9Zq8b1x9AfRT3g== X-Proofpoint-GUID: HvA_V62PCUdK-uoyxsYawOdRJMllrVcJ X-Proofpoint-ORIG-GUID: HvA_V62PCUdK-uoyxsYawOdRJMllrVcJ X-Authority-Analysis: v=2.4 cv=U82fzOru c=1 sm=1 tr=0 ts=6942a754 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=wP3pNCr1ah4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=KKAkSRfTAAAA:8 a=EUspDBNiAAAA:8 a=7pKaQVV4AfFCDnn0ZdoA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-12-17_01,2025-12-16_05,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 bulkscore=0 impostorscore=0 malwarescore=0 priorityscore=1501 adultscore=0 clxscore=1015 spamscore=0 lowpriorityscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2512170099 On 12/17/25 1:38 PM, Krzysztof Kozlowski wrote: > On 17/12/2025 13:33, Konrad Dybcio wrote: >> On 12/17/25 1:00 PM, Krzysztof Kozlowski wrote: >>> Add necessary DAI links and DAI name prefixes to enable audio playback >>> over USB/DisplayPort and HDMI. The HDMI port is not yet enabled, but it >>> should carry respective DAI name prefix regardless. >>> >>> Reviewed-by: Abel Vesa >>> Signed-off-by: Krzysztof Kozlowski >>> >>> --- >> >> (something's inserting a \n before --- in your latest patches but I > > No, it is not. It was always like that and only recently git started > dropping it, but it is irrelevant. > >> don't know if this is a problem) >> >> [...] >> >>> + displayport-2-dai-link { >>> + link-name = "DisplayPort2 Playback"; >>> + >>> + codec { >>> + sound-dai = <&mdss_dp2>; >> >> How does this work out with fw_devlink? > > How is this related to this patchset? Please stop nit-picking irrelevant > things. I'm asking whether this is going to break sync_state because you're not enabling mdss_dp2 - I believe that's a fair question.. Konrad