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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b94351894bfsm16204966b.1.2026.03.06.01.04.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 06 Mar 2026 01:04:10 -0800 (PST) Message-ID: <344eea89-e7f6-45d1-8413-dc238a73f200@oss.qualcomm.com> Date: Fri, 6 Mar 2026 10:04:06 +0100 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] drm/msm/a8xx: Fix ubwc config related to swizzling To: Akhil P Oommen , Rob Clark , Sean Paul , Konrad Dybcio , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Marijn Suijten , David Airlie , Simona Vetter Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org References: <20260305-a8xx-ubwc-fix-v1-1-d99b6da4c5a9@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260305-a8xx-ubwc-fix-v1-1-d99b6da4c5a9@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzA2MDA4NSBTYWx0ZWRfX5qKetchXinHv zfT+h7oQgU4g0vbtujkji2MYRVfR+yJsVDcPKZNBbyr2G3hbgkK7TolO9ej4nn6wE/v203/L3t3 K0yvTVCGscTdWUkTbFw8fZ5J5gvjpmWCDzdGuniZdfPtRCnlHwu6H1I9opDkK30b8u0hy5UhiBB TnrLu7PvmME9zCOamhz6o4Ihsk5eQhI6B5GCZL50m3gRdUQicPgxEVOoURwzlduBZm7pVYnBMZN oP8dmJ9Mg92y2smAhsbDncU5Ikbxf5Cxf3AzXAWvimTi1jLTl9sojrPNovwV22Y9txwScBHKWdN 9KMLc6Mr3KEWtglehbVH66mvHDOQtJE7HaOOd7PMEzcmz6QLovabGzGh9tT50ZdtLH7xsyzPmbh ZogvVyo6461krhGJVVN+XaC0j8uMOsD/+tnuGPMvqwPrrr8MsWNpGnZ4NAMKXuWMHxGO6zK+qOR bDdiIrR4LjZetgzGjog== X-Proofpoint-ORIG-GUID: AM7FFWP70t6Es1eOvHoS9WvVCJ18_UkQ X-Proofpoint-GUID: AM7FFWP70t6Es1eOvHoS9WvVCJ18_UkQ X-Authority-Analysis: v=2.4 cv=T8uBjvKQ c=1 sm=1 tr=0 ts=69aa988c cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=EUspDBNiAAAA:8 a=sCGn9XAE_lF3poFM8OEA:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-06_03,2026-03-04_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 phishscore=0 lowpriorityscore=0 adultscore=0 spamscore=0 impostorscore=0 priorityscore=1501 malwarescore=0 suspectscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2603060085 On 3/5/26 7:21 PM, Akhil P Oommen wrote: > To disable l2/l3 swizzling in A8x, set the respective bits in both > GRAS_NC_MODE_CNTL and RB_CCU_NC_MODE_CNTL registers. This is required > for Glymur where it is recommended to keep l2/l3 swizzling disabled. > > Fixes: 288a93200892 ("drm/msm/adreno: Introduce A8x GPU Support") > Signed-off-by: Akhil P Oommen > --- Reviewed-by: Konrad Dybcio Konrad