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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b879513e8d1sm1102898466b.2.2026.01.19.02.57.43 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 19 Jan 2026 02:57:44 -0800 (PST) Message-ID: <16e02476-0c26-4ca4-8080-c494a89e58a1@oss.qualcomm.com> Date: Mon, 19 Jan 2026 11:57:42 +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 v3 3/4] drm/msm/dpu: program correct register for UBWC config on DPU 8.x+ To: Dmitry Baryshkov , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Konrad Dybcio , Vinod Koul , Stephan Gerhold Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, Val Packett References: <20260119-msm-ubwc-fixes-v3-0-34aaa672c829@oss.qualcomm.com> <20260119-msm-ubwc-fixes-v3-3-34aaa672c829@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260119-msm-ubwc-fixes-v3-3-34aaa672c829@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTE5MDA5MCBTYWx0ZWRfX0T0D5XxJqt9A 5ilHu2NlaM4/8koA+gCkewb4pb1jpQplpTE/nr+dDzd4hxZewuV+4b0Do5ac0Feo1fEldWxNKf5 5lgqaPMt/yfZi3xi5eX/NhiNMRcStDaCMSmOQR/LvH5HVqKeDU1m6ax5FP99pCX5A9wwO+r1Y3Z aFjOlKMkJjTemuO2f/cwZQZFK/lZMsbL00xx+cKEsMLNYC6J502lyToKJPeVQ151ykYmmDAJ2QY aWOjqXCgxjDLHxYcfbQCMlmE/0lOqrDQ7LVI2jef5RJdQvjx3s1+cTm0hEYYKWjrF+yDbp8ULfH uMeHwQq+obmUQcXCU3u4LYMNGEwG6I/e6e4IDbFARfeWWTrY62O3Q+YA/jEcGb8eN/45y6/3MiS 3RDUhxYTaSMknBxzuYPSbirBhCpoogmC9mG+PlG/O4BRCs+PboO4EnZqCQTXqA9psdkV5vFYawF KshORNkLCTG7QI8wAQw== X-Proofpoint-ORIG-GUID: VarN31bvyolWMmghZXWwNQ80MHkLqfVX X-Proofpoint-GUID: VarN31bvyolWMmghZXWwNQ80MHkLqfVX X-Authority-Analysis: v=2.4 cv=L8gQguT8 c=1 sm=1 tr=0 ts=696e0e2a cx=c_pps a=wEM5vcRIz55oU/E2lInRtA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=X1d9jF6ZyTQ8TVP8WxQA:9 a=QEXdDO2ut3YA:10 a=OIgjcC2v60KrkQgK7BGD: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=2026-01-19_02,2026-01-19_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 impostorscore=0 suspectscore=0 phishscore=0 spamscore=0 clxscore=1015 priorityscore=1501 lowpriorityscore=0 bulkscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2601190090 On 1/19/26 9:17 AM, Dmitry Baryshkov wrote: > Since DPU 8.0 there is a separate register for the second rectangle, > which needs to be programmed with the UBWC config if multirect is being > used. Write pipe's UBWC configuration to the correct register. > > Fixes: 100d7ef6995d ("drm/msm/dpu: add support for SM8450") > Tested-by: Val Packett # x1e80100-dell-latitude-7455 > Signed-off-by: Dmitry Baryshkov > --- Reviewed-by: Konrad Dybcio Konrad