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charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) 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: 66Aw6M2hN4prCn1f4-S61TrOFHmzE1Z7 X-Proofpoint-GUID: 66Aw6M2hN4prCn1f4-S61TrOFHmzE1Z7 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-11-06_16,2022-11-03_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 spamscore=0 phishscore=0 adultscore=0 priorityscore=1501 clxscore=1011 mlxscore=0 malwarescore=0 mlxlogscore=670 lowpriorityscore=0 suspectscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2210170000 definitions=main-2211070047 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/28/2022 5:54 AM, Stephen Boyd wrote: > Quoting Satya Priya (2022-10-18 23:05:35) >> From: Taniya Das >> >> There are few GPU clocks which are powering up the memories >> and thus enable the FORCE_MEM_PERIPH always for these clocks >> to force the periph_on signal to remain active during halt >> state of the clock. > I take it that missing this causes GPU to lose state when it suspends > and that confuses the driver? It is more related to GPU SMMU states and the stability issues that are encountered.